// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
// RUN: %clang_cc1 -triple armv8-none-linux-eabi -fno-aapcs-bitfield-width -disable-O0-optnone -emit-llvm -o - %s | opt -S -passes=mem2reg | FileCheck %s -check-prefix=LE
// RUN: %clang_cc1 -triple armebv8-none-linux-eabi -fno-aapcs-bitfield-width -disable-O0-optnone -emit-llvm -o - %s | opt -S -passes=mem2reg | FileCheck %s -check-prefix=BE

// RUN: %clang_cc1 -triple armv8-none-linux-eabi -faapcs-bitfield-load -fno-aapcs-bitfield-width -disable-O0-optnone -emit-llvm -o - %s | opt -S -passes=mem2reg | FileCheck %s -check-prefixes=LENUMLOADS
// RUN: %clang_cc1 -triple armebv8-none-linux-eabi -faapcs-bitfield-load -fno-aapcs-bitfield-width -disable-O0-optnone -emit-llvm -o - %s | opt -S -passes=mem2reg | FileCheck %s -check-prefixes=BENUMLOADS

// RUN: %clang_cc1 -triple armv8-none-linux-eabi -disable-O0-optnone -emit-llvm -o - %s | opt -S -passes=mem2reg | FileCheck %s -check-prefix=LEWIDTH
// RUN: %clang_cc1 -triple armebv8-none-linux-eabi -disable-O0-optnone -emit-llvm -o - %s | opt -S -passes=mem2reg | FileCheck %s -check-prefix=BEWIDTH

// RUN: %clang_cc1 -triple armv8-none-linux-eabi -faapcs-bitfield-load -disable-O0-optnone -emit-llvm -o - %s | opt -S -passes=mem2reg | FileCheck %s -check-prefixes=LEWIDTHNUM
// RUN: %clang_cc1 -triple armebv8-none-linux-eabi -faapcs-bitfield-load -disable-O0-optnone -emit-llvm -o - %s | opt -S -passes=mem2reg | FileCheck %s -check-prefixes=BEWIDTHNUM

struct st0 {
  short c : 7;
};

// LE-LABEL: @st0_check_load(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load i8, ptr [[M:%.*]], align 2
// LE-NEXT:    [[BF_SHL:%.*]] = shl i8 [[BF_LOAD]], 1
// LE-NEXT:    [[BF_ASHR:%.*]] = ashr i8 [[BF_SHL]], 1
// LE-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_ASHR]] to i16
// LE-NEXT:    [[CONV:%.*]] = sext i16 [[BF_CAST]] to i32
// LE-NEXT:    ret i32 [[CONV]]
//
// BE-LABEL: @st0_check_load(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load i8, ptr [[M:%.*]], align 2
// BE-NEXT:    [[BF_ASHR:%.*]] = ashr i8 [[BF_LOAD]], 1
// BE-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_ASHR]] to i16
// BE-NEXT:    [[CONV:%.*]] = sext i16 [[BF_CAST]] to i32
// BE-NEXT:    ret i32 [[CONV]]
//
// LENUMLOADS-LABEL: @st0_check_load(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load i8, ptr [[M:%.*]], align 2
// LENUMLOADS-NEXT:    [[BF_SHL:%.*]] = shl i8 [[BF_LOAD]], 1
// LENUMLOADS-NEXT:    [[BF_ASHR:%.*]] = ashr i8 [[BF_SHL]], 1
// LENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_ASHR]] to i16
// LENUMLOADS-NEXT:    [[CONV:%.*]] = sext i16 [[BF_CAST]] to i32
// LENUMLOADS-NEXT:    ret i32 [[CONV]]
//
// BENUMLOADS-LABEL: @st0_check_load(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load i8, ptr [[M:%.*]], align 2
// BENUMLOADS-NEXT:    [[BF_ASHR:%.*]] = ashr i8 [[BF_LOAD]], 1
// BENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_ASHR]] to i16
// BENUMLOADS-NEXT:    [[CONV:%.*]] = sext i16 [[BF_CAST]] to i32
// BENUMLOADS-NEXT:    ret i32 [[CONV]]
//
// LEWIDTH-LABEL: @st0_check_load(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load i8, ptr [[M:%.*]], align 2
// LEWIDTH-NEXT:    [[BF_SHL:%.*]] = shl i8 [[BF_LOAD]], 1
// LEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i8 [[BF_SHL]], 1
// LEWIDTH-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_ASHR]] to i16
// LEWIDTH-NEXT:    [[CONV:%.*]] = sext i16 [[BF_CAST]] to i32
// LEWIDTH-NEXT:    ret i32 [[CONV]]
//
// BEWIDTH-LABEL: @st0_check_load(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load i8, ptr [[M:%.*]], align 2
// BEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i8 [[BF_LOAD]], 1
// BEWIDTH-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_ASHR]] to i16
// BEWIDTH-NEXT:    [[CONV:%.*]] = sext i16 [[BF_CAST]] to i32
// BEWIDTH-NEXT:    ret i32 [[CONV]]
//
// LEWIDTHNUM-LABEL: @st0_check_load(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load i8, ptr [[M:%.*]], align 2
// LEWIDTHNUM-NEXT:    [[BF_SHL:%.*]] = shl i8 [[BF_LOAD]], 1
// LEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i8 [[BF_SHL]], 1
// LEWIDTHNUM-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_ASHR]] to i16
// LEWIDTHNUM-NEXT:    [[CONV:%.*]] = sext i16 [[BF_CAST]] to i32
// LEWIDTHNUM-NEXT:    ret i32 [[CONV]]
//
// BEWIDTHNUM-LABEL: @st0_check_load(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load i8, ptr [[M:%.*]], align 2
// BEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i8 [[BF_LOAD]], 1
// BEWIDTHNUM-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_ASHR]] to i16
// BEWIDTHNUM-NEXT:    [[CONV:%.*]] = sext i16 [[BF_CAST]] to i32
// BEWIDTHNUM-NEXT:    ret i32 [[CONV]]
//
int st0_check_load(struct st0 *m) {
  return m->c;
}

// LE-LABEL: @st0_check_store(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load i8, ptr [[M:%.*]], align 2
// LE-NEXT:    [[BF_CLEAR:%.*]] = and i8 [[BF_LOAD]], -128
// LE-NEXT:    [[BF_SET:%.*]] = or i8 [[BF_CLEAR]], 1
// LE-NEXT:    store i8 [[BF_SET]], ptr [[M]], align 2
// LE-NEXT:    ret void
//
// BE-LABEL: @st0_check_store(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load i8, ptr [[M:%.*]], align 2
// BE-NEXT:    [[BF_CLEAR:%.*]] = and i8 [[BF_LOAD]], 1
// BE-NEXT:    [[BF_SET:%.*]] = or i8 [[BF_CLEAR]], 2
// BE-NEXT:    store i8 [[BF_SET]], ptr [[M]], align 2
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @st0_check_store(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load i8, ptr [[M:%.*]], align 2
// LENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i8 [[BF_LOAD]], -128
// LENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i8 [[BF_CLEAR]], 1
// LENUMLOADS-NEXT:    store i8 [[BF_SET]], ptr [[M]], align 2
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @st0_check_store(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load i8, ptr [[M:%.*]], align 2
// BENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i8 [[BF_LOAD]], 1
// BENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i8 [[BF_CLEAR]], 2
// BENUMLOADS-NEXT:    store i8 [[BF_SET]], ptr [[M]], align 2
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @st0_check_store(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load i8, ptr [[M:%.*]], align 2
// LEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i8 [[BF_LOAD]], -128
// LEWIDTH-NEXT:    [[BF_SET:%.*]] = or i8 [[BF_CLEAR]], 1
// LEWIDTH-NEXT:    store i8 [[BF_SET]], ptr [[M]], align 2
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @st0_check_store(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load i8, ptr [[M:%.*]], align 2
// BEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i8 [[BF_LOAD]], 1
// BEWIDTH-NEXT:    [[BF_SET:%.*]] = or i8 [[BF_CLEAR]], 2
// BEWIDTH-NEXT:    store i8 [[BF_SET]], ptr [[M]], align 2
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @st0_check_store(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load i8, ptr [[M:%.*]], align 2
// LEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i8 [[BF_LOAD]], -128
// LEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i8 [[BF_CLEAR]], 1
// LEWIDTHNUM-NEXT:    store i8 [[BF_SET]], ptr [[M]], align 2
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @st0_check_store(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load i8, ptr [[M:%.*]], align 2
// BEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i8 [[BF_LOAD]], 1
// BEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i8 [[BF_CLEAR]], 2
// BEWIDTHNUM-NEXT:    store i8 [[BF_SET]], ptr [[M]], align 2
// BEWIDTHNUM-NEXT:    ret void
//
void st0_check_store(struct st0 *m) {
  m->c = 1;
}

struct st1 {
  int a : 10;
  short c : 6;
};

// LE-LABEL: @st1_check_load(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// LE-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_LOAD]], 10
// LE-NEXT:    [[CONV:%.*]] = sext i16 [[BF_ASHR]] to i32
// LE-NEXT:    ret i32 [[CONV]]
//
// BE-LABEL: @st1_check_load(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// BE-NEXT:    [[BF_SHL:%.*]] = shl i16 [[BF_LOAD]], 10
// BE-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_SHL]], 10
// BE-NEXT:    [[CONV:%.*]] = sext i16 [[BF_ASHR]] to i32
// BE-NEXT:    ret i32 [[CONV]]
//
// LENUMLOADS-LABEL: @st1_check_load(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// LENUMLOADS-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_LOAD]], 10
// LENUMLOADS-NEXT:    [[CONV:%.*]] = sext i16 [[BF_ASHR]] to i32
// LENUMLOADS-NEXT:    ret i32 [[CONV]]
//
// BENUMLOADS-LABEL: @st1_check_load(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// BENUMLOADS-NEXT:    [[BF_SHL:%.*]] = shl i16 [[BF_LOAD]], 10
// BENUMLOADS-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_SHL]], 10
// BENUMLOADS-NEXT:    [[CONV:%.*]] = sext i16 [[BF_ASHR]] to i32
// BENUMLOADS-NEXT:    ret i32 [[CONV]]
//
// LEWIDTH-LABEL: @st1_check_load(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// LEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_LOAD]], 10
// LEWIDTH-NEXT:    [[CONV:%.*]] = sext i16 [[BF_ASHR]] to i32
// LEWIDTH-NEXT:    ret i32 [[CONV]]
//
// BEWIDTH-LABEL: @st1_check_load(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// BEWIDTH-NEXT:    [[BF_SHL:%.*]] = shl i16 [[BF_LOAD]], 10
// BEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_SHL]], 10
// BEWIDTH-NEXT:    [[CONV:%.*]] = sext i16 [[BF_ASHR]] to i32
// BEWIDTH-NEXT:    ret i32 [[CONV]]
//
// LEWIDTHNUM-LABEL: @st1_check_load(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// LEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_LOAD]], 10
// LEWIDTHNUM-NEXT:    [[CONV:%.*]] = sext i16 [[BF_ASHR]] to i32
// LEWIDTHNUM-NEXT:    ret i32 [[CONV]]
//
// BEWIDTHNUM-LABEL: @st1_check_load(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// BEWIDTHNUM-NEXT:    [[BF_SHL:%.*]] = shl i16 [[BF_LOAD]], 10
// BEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_SHL]], 10
// BEWIDTHNUM-NEXT:    [[CONV:%.*]] = sext i16 [[BF_ASHR]] to i32
// BEWIDTHNUM-NEXT:    ret i32 [[CONV]]
//
int st1_check_load(struct st1 *m) {
  return m->c;
}

// LE-LABEL: @st1_check_store(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// LE-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], 1023
// LE-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 1024
// LE-NEXT:    store i16 [[BF_SET]], ptr [[M]], align 4
// LE-NEXT:    ret void
//
// BE-LABEL: @st1_check_store(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// BE-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], -64
// BE-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 1
// BE-NEXT:    store i16 [[BF_SET]], ptr [[M]], align 4
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @st1_check_store(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// LENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], 1023
// LENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 1024
// LENUMLOADS-NEXT:    store i16 [[BF_SET]], ptr [[M]], align 4
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @st1_check_store(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// BENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], -64
// BENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 1
// BENUMLOADS-NEXT:    store i16 [[BF_SET]], ptr [[M]], align 4
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @st1_check_store(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// LEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], 1023
// LEWIDTH-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 1024
// LEWIDTH-NEXT:    store i16 [[BF_SET]], ptr [[M]], align 4
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @st1_check_store(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// BEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], -64
// BEWIDTH-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 1
// BEWIDTH-NEXT:    store i16 [[BF_SET]], ptr [[M]], align 4
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @st1_check_store(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// LEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], 1023
// LEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 1024
// LEWIDTHNUM-NEXT:    store i16 [[BF_SET]], ptr [[M]], align 4
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @st1_check_store(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// BEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], -64
// BEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 1
// BEWIDTHNUM-NEXT:    store i16 [[BF_SET]], ptr [[M]], align 4
// BEWIDTHNUM-NEXT:    ret void
//
void st1_check_store(struct st1 *m) {
  m->c = 1;
}

struct st2 {
  int a : 10;
  short c : 7;
};

// LE-LABEL: @st2_check_load(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[M:%.*]], align 4
// LE-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 9
// LE-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 25
// LE-NEXT:    [[BF_CAST:%.*]] = trunc i32 [[BF_ASHR]] to i16
// LE-NEXT:    [[CONV:%.*]] = sext i16 [[BF_CAST]] to i32
// LE-NEXT:    ret i32 [[CONV]]
//
// BE-LABEL: @st2_check_load(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[M:%.*]], align 4
// BE-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 16
// BE-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 25
// BE-NEXT:    [[BF_CAST:%.*]] = trunc i32 [[BF_ASHR]] to i16
// BE-NEXT:    [[CONV:%.*]] = sext i16 [[BF_CAST]] to i32
// BE-NEXT:    ret i32 [[CONV]]
//
// LENUMLOADS-LABEL: @st2_check_load(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[M:%.*]], align 4
// LENUMLOADS-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 9
// LENUMLOADS-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 25
// LENUMLOADS-NEXT:    [[BF_CAST:%.*]] = trunc i32 [[BF_ASHR]] to i16
// LENUMLOADS-NEXT:    [[CONV:%.*]] = sext i16 [[BF_CAST]] to i32
// LENUMLOADS-NEXT:    ret i32 [[CONV]]
//
// BENUMLOADS-LABEL: @st2_check_load(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[M:%.*]], align 4
// BENUMLOADS-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 16
// BENUMLOADS-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 25
// BENUMLOADS-NEXT:    [[BF_CAST:%.*]] = trunc i32 [[BF_ASHR]] to i16
// BENUMLOADS-NEXT:    [[CONV:%.*]] = sext i16 [[BF_CAST]] to i32
// BENUMLOADS-NEXT:    ret i32 [[CONV]]
//
// LEWIDTH-LABEL: @st2_check_load(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[M:%.*]], align 4
// LEWIDTH-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 9
// LEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 25
// LEWIDTH-NEXT:    [[BF_CAST:%.*]] = trunc i32 [[BF_ASHR]] to i16
// LEWIDTH-NEXT:    [[CONV:%.*]] = sext i16 [[BF_CAST]] to i32
// LEWIDTH-NEXT:    ret i32 [[CONV]]
//
// BEWIDTH-LABEL: @st2_check_load(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[M:%.*]], align 4
// BEWIDTH-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 16
// BEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 25
// BEWIDTH-NEXT:    [[BF_CAST:%.*]] = trunc i32 [[BF_ASHR]] to i16
// BEWIDTH-NEXT:    [[CONV:%.*]] = sext i16 [[BF_CAST]] to i32
// BEWIDTH-NEXT:    ret i32 [[CONV]]
//
// LEWIDTHNUM-LABEL: @st2_check_load(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[M:%.*]], align 4
// LEWIDTHNUM-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 9
// LEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 25
// LEWIDTHNUM-NEXT:    [[BF_CAST:%.*]] = trunc i32 [[BF_ASHR]] to i16
// LEWIDTHNUM-NEXT:    [[CONV:%.*]] = sext i16 [[BF_CAST]] to i32
// LEWIDTHNUM-NEXT:    ret i32 [[CONV]]
//
// BEWIDTHNUM-LABEL: @st2_check_load(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[M:%.*]], align 4
// BEWIDTHNUM-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 16
// BEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 25
// BEWIDTHNUM-NEXT:    [[BF_CAST:%.*]] = trunc i32 [[BF_ASHR]] to i16
// BEWIDTHNUM-NEXT:    [[CONV:%.*]] = sext i16 [[BF_CAST]] to i32
// BEWIDTHNUM-NEXT:    ret i32 [[CONV]]
//
int st2_check_load(struct st2 *m) {
  return m->c;
}

// LE-LABEL: @st2_check_store(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[M:%.*]], align 4
// LE-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], -8323073
// LE-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], 65536
// LE-NEXT:    store i32 [[BF_SET]], ptr [[M]], align 4
// LE-NEXT:    ret void
//
// BE-LABEL: @st2_check_store(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[M:%.*]], align 4
// BE-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], -65025
// BE-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], 512
// BE-NEXT:    store i32 [[BF_SET]], ptr [[M]], align 4
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @st2_check_store(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[M:%.*]], align 4
// LENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], -8323073
// LENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], 65536
// LENUMLOADS-NEXT:    store i32 [[BF_SET]], ptr [[M]], align 4
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @st2_check_store(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[M:%.*]], align 4
// BENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], -65025
// BENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], 512
// BENUMLOADS-NEXT:    store i32 [[BF_SET]], ptr [[M]], align 4
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @st2_check_store(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[M:%.*]], align 4
// LEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], -8323073
// LEWIDTH-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], 65536
// LEWIDTH-NEXT:    store i32 [[BF_SET]], ptr [[M]], align 4
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @st2_check_store(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[M:%.*]], align 4
// BEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], -65025
// BEWIDTH-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], 512
// BEWIDTH-NEXT:    store i32 [[BF_SET]], ptr [[M]], align 4
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @st2_check_store(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[M:%.*]], align 4
// LEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], -8323073
// LEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], 65536
// LEWIDTHNUM-NEXT:    store i32 [[BF_SET]], ptr [[M]], align 4
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @st2_check_store(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[M:%.*]], align 4
// BEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], -65025
// BEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], 512
// BEWIDTHNUM-NEXT:    store i32 [[BF_SET]], ptr [[M]], align 4
// BEWIDTHNUM-NEXT:    ret void
//
void st2_check_store(struct st2 *m) {
  m->c = 1;
}
// Volatile access is allowed to use 16 bits
struct st3 {
  volatile short c : 7;
};

// LE-LABEL: @st3_check_load(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[M:%.*]], align 2
// LE-NEXT:    [[BF_SHL:%.*]] = shl i8 [[BF_LOAD]], 1
// LE-NEXT:    [[BF_ASHR:%.*]] = ashr i8 [[BF_SHL]], 1
// LE-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_ASHR]] to i16
// LE-NEXT:    [[CONV:%.*]] = sext i16 [[BF_CAST]] to i32
// LE-NEXT:    ret i32 [[CONV]]
//
// BE-LABEL: @st3_check_load(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[M:%.*]], align 2
// BE-NEXT:    [[BF_ASHR:%.*]] = ashr i8 [[BF_LOAD]], 1
// BE-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_ASHR]] to i16
// BE-NEXT:    [[CONV:%.*]] = sext i16 [[BF_CAST]] to i32
// BE-NEXT:    ret i32 [[CONV]]
//
// LENUMLOADS-LABEL: @st3_check_load(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[M:%.*]], align 2
// LENUMLOADS-NEXT:    [[BF_SHL:%.*]] = shl i8 [[BF_LOAD]], 1
// LENUMLOADS-NEXT:    [[BF_ASHR:%.*]] = ashr i8 [[BF_SHL]], 1
// LENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_ASHR]] to i16
// LENUMLOADS-NEXT:    [[CONV:%.*]] = sext i16 [[BF_CAST]] to i32
// LENUMLOADS-NEXT:    ret i32 [[CONV]]
//
// BENUMLOADS-LABEL: @st3_check_load(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[M:%.*]], align 2
// BENUMLOADS-NEXT:    [[BF_ASHR:%.*]] = ashr i8 [[BF_LOAD]], 1
// BENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_ASHR]] to i16
// BENUMLOADS-NEXT:    [[CONV:%.*]] = sext i16 [[BF_CAST]] to i32
// BENUMLOADS-NEXT:    ret i32 [[CONV]]
//
// LEWIDTH-LABEL: @st3_check_load(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 2
// LEWIDTH-NEXT:    [[BF_SHL:%.*]] = shl i16 [[BF_LOAD]], 9
// LEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_SHL]], 9
// LEWIDTH-NEXT:    [[CONV:%.*]] = sext i16 [[BF_ASHR]] to i32
// LEWIDTH-NEXT:    ret i32 [[CONV]]
//
// BEWIDTH-LABEL: @st3_check_load(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 2
// BEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_LOAD]], 9
// BEWIDTH-NEXT:    [[CONV:%.*]] = sext i16 [[BF_ASHR]] to i32
// BEWIDTH-NEXT:    ret i32 [[CONV]]
//
// LEWIDTHNUM-LABEL: @st3_check_load(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 2
// LEWIDTHNUM-NEXT:    [[BF_SHL:%.*]] = shl i16 [[BF_LOAD]], 9
// LEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_SHL]], 9
// LEWIDTHNUM-NEXT:    [[CONV:%.*]] = sext i16 [[BF_ASHR]] to i32
// LEWIDTHNUM-NEXT:    ret i32 [[CONV]]
//
// BEWIDTHNUM-LABEL: @st3_check_load(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 2
// BEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_LOAD]], 9
// BEWIDTHNUM-NEXT:    [[CONV:%.*]] = sext i16 [[BF_ASHR]] to i32
// BEWIDTHNUM-NEXT:    ret i32 [[CONV]]
//
int st3_check_load(struct st3 *m) {
  return m->c;
}

// LE-LABEL: @st3_check_store(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[M:%.*]], align 2
// LE-NEXT:    [[BF_CLEAR:%.*]] = and i8 [[BF_LOAD]], -128
// LE-NEXT:    [[BF_SET:%.*]] = or i8 [[BF_CLEAR]], 1
// LE-NEXT:    store volatile i8 [[BF_SET]], ptr [[M]], align 2
// LE-NEXT:    ret void
//
// BE-LABEL: @st3_check_store(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[M:%.*]], align 2
// BE-NEXT:    [[BF_CLEAR:%.*]] = and i8 [[BF_LOAD]], 1
// BE-NEXT:    [[BF_SET:%.*]] = or i8 [[BF_CLEAR]], 2
// BE-NEXT:    store volatile i8 [[BF_SET]], ptr [[M]], align 2
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @st3_check_store(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[M:%.*]], align 2
// LENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i8 [[BF_LOAD]], -128
// LENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i8 [[BF_CLEAR]], 1
// LENUMLOADS-NEXT:    store volatile i8 [[BF_SET]], ptr [[M]], align 2
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @st3_check_store(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[M:%.*]], align 2
// BENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i8 [[BF_LOAD]], 1
// BENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i8 [[BF_CLEAR]], 2
// BENUMLOADS-NEXT:    store volatile i8 [[BF_SET]], ptr [[M]], align 2
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @st3_check_store(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 2
// LEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], -128
// LEWIDTH-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 1
// LEWIDTH-NEXT:    store volatile i16 [[BF_SET]], ptr [[M]], align 2
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @st3_check_store(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 2
// BEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], 511
// BEWIDTH-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 512
// BEWIDTH-NEXT:    store volatile i16 [[BF_SET]], ptr [[M]], align 2
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @st3_check_store(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 2
// LEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], -128
// LEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 1
// LEWIDTHNUM-NEXT:    store volatile i16 [[BF_SET]], ptr [[M]], align 2
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @st3_check_store(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 2
// BEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], 511
// BEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 512
// BEWIDTHNUM-NEXT:    store volatile i16 [[BF_SET]], ptr [[M]], align 2
// BEWIDTHNUM-NEXT:    ret void
//
void st3_check_store(struct st3 *m) {
  m->c = 1;
}
// Volatile access to st4.c should use a char ld/st
struct st4 {
  int b : 9;
  volatile char c : 5;
};

// LE-LABEL: @st4_check_load(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 4
// LE-NEXT:    [[BF_SHL:%.*]] = shl i16 [[BF_LOAD]], 2
// LE-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_SHL]], 11
// LE-NEXT:    [[BF_CAST:%.*]] = trunc i16 [[BF_ASHR]] to i8
// LE-NEXT:    [[CONV:%.*]] = sext i8 [[BF_CAST]] to i32
// LE-NEXT:    ret i32 [[CONV]]
//
// BE-LABEL: @st4_check_load(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 4
// BE-NEXT:    [[BF_SHL:%.*]] = shl i16 [[BF_LOAD]], 9
// BE-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_SHL]], 11
// BE-NEXT:    [[BF_CAST:%.*]] = trunc i16 [[BF_ASHR]] to i8
// BE-NEXT:    [[CONV:%.*]] = sext i8 [[BF_CAST]] to i32
// BE-NEXT:    ret i32 [[CONV]]
//
// LENUMLOADS-LABEL: @st4_check_load(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 4
// LENUMLOADS-NEXT:    [[BF_SHL:%.*]] = shl i16 [[BF_LOAD]], 2
// LENUMLOADS-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_SHL]], 11
// LENUMLOADS-NEXT:    [[BF_CAST:%.*]] = trunc i16 [[BF_ASHR]] to i8
// LENUMLOADS-NEXT:    [[CONV:%.*]] = sext i8 [[BF_CAST]] to i32
// LENUMLOADS-NEXT:    ret i32 [[CONV]]
//
// BENUMLOADS-LABEL: @st4_check_load(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 4
// BENUMLOADS-NEXT:    [[BF_SHL:%.*]] = shl i16 [[BF_LOAD]], 9
// BENUMLOADS-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_SHL]], 11
// BENUMLOADS-NEXT:    [[BF_CAST:%.*]] = trunc i16 [[BF_ASHR]] to i8
// BENUMLOADS-NEXT:    [[CONV:%.*]] = sext i8 [[BF_CAST]] to i32
// BENUMLOADS-NEXT:    ret i32 [[CONV]]
//
// LEWIDTH-LABEL: @st4_check_load(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i8, ptr [[M:%.*]], i32 1
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[TMP0]], align 1
// LEWIDTH-NEXT:    [[BF_SHL:%.*]] = shl i8 [[BF_LOAD]], 2
// LEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i8 [[BF_SHL]], 3
// LEWIDTH-NEXT:    [[CONV:%.*]] = sext i8 [[BF_ASHR]] to i32
// LEWIDTH-NEXT:    ret i32 [[CONV]]
//
// BEWIDTH-LABEL: @st4_check_load(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i8, ptr [[M:%.*]], i32 1
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[TMP0]], align 1
// BEWIDTH-NEXT:    [[BF_SHL:%.*]] = shl i8 [[BF_LOAD]], 1
// BEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i8 [[BF_SHL]], 3
// BEWIDTH-NEXT:    [[CONV:%.*]] = sext i8 [[BF_ASHR]] to i32
// BEWIDTH-NEXT:    ret i32 [[CONV]]
//
// LEWIDTHNUM-LABEL: @st4_check_load(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i8, ptr [[M:%.*]], i32 1
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[TMP0]], align 1
// LEWIDTHNUM-NEXT:    [[BF_SHL:%.*]] = shl i8 [[BF_LOAD]], 2
// LEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i8 [[BF_SHL]], 3
// LEWIDTHNUM-NEXT:    [[CONV:%.*]] = sext i8 [[BF_ASHR]] to i32
// LEWIDTHNUM-NEXT:    ret i32 [[CONV]]
//
// BEWIDTHNUM-LABEL: @st4_check_load(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i8, ptr [[M:%.*]], i32 1
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[TMP0]], align 1
// BEWIDTHNUM-NEXT:    [[BF_SHL:%.*]] = shl i8 [[BF_LOAD]], 1
// BEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i8 [[BF_SHL]], 3
// BEWIDTHNUM-NEXT:    [[CONV:%.*]] = sext i8 [[BF_ASHR]] to i32
// BEWIDTHNUM-NEXT:    ret i32 [[CONV]]
//
int st4_check_load(struct st4 *m) {
  return m->c;
}

// LE-LABEL: @st4_check_store(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 4
// LE-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], -15873
// LE-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 512
// LE-NEXT:    store volatile i16 [[BF_SET]], ptr [[M]], align 4
// LE-NEXT:    ret void
//
// BE-LABEL: @st4_check_store(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 4
// BE-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], -125
// BE-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 4
// BE-NEXT:    store volatile i16 [[BF_SET]], ptr [[M]], align 4
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @st4_check_store(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 4
// LENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], -15873
// LENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 512
// LENUMLOADS-NEXT:    store volatile i16 [[BF_SET]], ptr [[M]], align 4
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @st4_check_store(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 4
// BENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], -125
// BENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 4
// BENUMLOADS-NEXT:    store volatile i16 [[BF_SET]], ptr [[M]], align 4
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @st4_check_store(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i8, ptr [[M:%.*]], i32 1
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[TMP0]], align 1
// LEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i8 [[BF_LOAD]], -63
// LEWIDTH-NEXT:    [[BF_SET:%.*]] = or i8 [[BF_CLEAR]], 2
// LEWIDTH-NEXT:    store volatile i8 [[BF_SET]], ptr [[TMP0]], align 1
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @st4_check_store(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i8, ptr [[M:%.*]], i32 1
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[TMP0]], align 1
// BEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i8 [[BF_LOAD]], -125
// BEWIDTH-NEXT:    [[BF_SET:%.*]] = or i8 [[BF_CLEAR]], 4
// BEWIDTH-NEXT:    store volatile i8 [[BF_SET]], ptr [[TMP0]], align 1
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @st4_check_store(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i8, ptr [[M:%.*]], i32 1
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[TMP0]], align 1
// LEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i8 [[BF_LOAD]], -63
// LEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i8 [[BF_CLEAR]], 2
// LEWIDTHNUM-NEXT:    store volatile i8 [[BF_SET]], ptr [[TMP0]], align 1
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @st4_check_store(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i8, ptr [[M:%.*]], i32 1
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[TMP0]], align 1
// BEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i8 [[BF_LOAD]], -125
// BEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i8 [[BF_CLEAR]], 4
// BEWIDTHNUM-NEXT:    store volatile i8 [[BF_SET]], ptr [[TMP0]], align 1
// BEWIDTHNUM-NEXT:    ret void
//
void st4_check_store(struct st4 *m) {
  m->c = 1;
}

// LE-LABEL: @st4_check_nonv_store(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// LE-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], -512
// LE-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 1
// LE-NEXT:    store i16 [[BF_SET]], ptr [[M]], align 4
// LE-NEXT:    ret void
//
// BE-LABEL: @st4_check_nonv_store(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// BE-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], 127
// BE-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 128
// BE-NEXT:    store i16 [[BF_SET]], ptr [[M]], align 4
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @st4_check_nonv_store(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// LENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], -512
// LENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 1
// LENUMLOADS-NEXT:    store i16 [[BF_SET]], ptr [[M]], align 4
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @st4_check_nonv_store(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// BENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], 127
// BENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 128
// BENUMLOADS-NEXT:    store i16 [[BF_SET]], ptr [[M]], align 4
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @st4_check_nonv_store(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// LEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], -512
// LEWIDTH-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 1
// LEWIDTH-NEXT:    store i16 [[BF_SET]], ptr [[M]], align 4
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @st4_check_nonv_store(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// BEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], 127
// BEWIDTH-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 128
// BEWIDTH-NEXT:    store i16 [[BF_SET]], ptr [[M]], align 4
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @st4_check_nonv_store(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// LEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], -512
// LEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 1
// LEWIDTHNUM-NEXT:    store i16 [[BF_SET]], ptr [[M]], align 4
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @st4_check_nonv_store(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// BEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], 127
// BEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 128
// BEWIDTHNUM-NEXT:    store i16 [[BF_SET]], ptr [[M]], align 4
// BEWIDTHNUM-NEXT:    ret void
//
void st4_check_nonv_store(struct st4 *m) {
  m->b = 1;
}

struct st5 {
  int a : 12;
  volatile char c : 5;
};

// LE-LABEL: @st5_check_load(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LE-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 11
// LE-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 27
// LE-NEXT:    [[BF_CAST:%.*]] = trunc i32 [[BF_ASHR]] to i8
// LE-NEXT:    [[CONV:%.*]] = sext i8 [[BF_CAST]] to i32
// LE-NEXT:    ret i32 [[CONV]]
//
// BE-LABEL: @st5_check_load(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BE-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 16
// BE-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 27
// BE-NEXT:    [[BF_CAST:%.*]] = trunc i32 [[BF_ASHR]] to i8
// BE-NEXT:    [[CONV:%.*]] = sext i8 [[BF_CAST]] to i32
// BE-NEXT:    ret i32 [[CONV]]
//
// LENUMLOADS-LABEL: @st5_check_load(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LENUMLOADS-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 11
// LENUMLOADS-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 27
// LENUMLOADS-NEXT:    [[BF_CAST:%.*]] = trunc i32 [[BF_ASHR]] to i8
// LENUMLOADS-NEXT:    [[CONV:%.*]] = sext i8 [[BF_CAST]] to i32
// LENUMLOADS-NEXT:    ret i32 [[CONV]]
//
// BENUMLOADS-LABEL: @st5_check_load(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BENUMLOADS-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 16
// BENUMLOADS-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 27
// BENUMLOADS-NEXT:    [[BF_CAST:%.*]] = trunc i32 [[BF_ASHR]] to i8
// BENUMLOADS-NEXT:    [[CONV:%.*]] = sext i8 [[BF_CAST]] to i32
// BENUMLOADS-NEXT:    ret i32 [[CONV]]
//
// LEWIDTH-LABEL: @st5_check_load(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i8, ptr [[M:%.*]], i32 2
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[TMP0]], align 2
// LEWIDTH-NEXT:    [[BF_SHL:%.*]] = shl i8 [[BF_LOAD]], 3
// LEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i8 [[BF_SHL]], 3
// LEWIDTH-NEXT:    [[CONV:%.*]] = sext i8 [[BF_ASHR]] to i32
// LEWIDTH-NEXT:    ret i32 [[CONV]]
//
// BEWIDTH-LABEL: @st5_check_load(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i8, ptr [[M:%.*]], i32 2
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[TMP0]], align 2
// BEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i8 [[BF_LOAD]], 3
// BEWIDTH-NEXT:    [[CONV:%.*]] = sext i8 [[BF_ASHR]] to i32
// BEWIDTH-NEXT:    ret i32 [[CONV]]
//
// LEWIDTHNUM-LABEL: @st5_check_load(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i8, ptr [[M:%.*]], i32 2
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[TMP0]], align 2
// LEWIDTHNUM-NEXT:    [[BF_SHL:%.*]] = shl i8 [[BF_LOAD]], 3
// LEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i8 [[BF_SHL]], 3
// LEWIDTHNUM-NEXT:    [[CONV:%.*]] = sext i8 [[BF_ASHR]] to i32
// LEWIDTHNUM-NEXT:    ret i32 [[CONV]]
//
// BEWIDTHNUM-LABEL: @st5_check_load(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i8, ptr [[M:%.*]], i32 2
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[TMP0]], align 2
// BEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i8 [[BF_LOAD]], 3
// BEWIDTHNUM-NEXT:    [[CONV:%.*]] = sext i8 [[BF_ASHR]] to i32
// BEWIDTHNUM-NEXT:    ret i32 [[CONV]]
//
int st5_check_load(struct st5 *m) {
  return m->c;
}

// LE-LABEL: @st5_check_store(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LE-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], -2031617
// LE-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], 65536
// LE-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// LE-NEXT:    ret void
//
// BE-LABEL: @st5_check_store(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BE-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], -63489
// BE-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], 2048
// BE-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @st5_check_store(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], -2031617
// LENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], 65536
// LENUMLOADS-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @st5_check_store(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], -63489
// BENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], 2048
// BENUMLOADS-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @st5_check_store(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i8, ptr [[M:%.*]], i32 2
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[TMP0]], align 2
// LEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i8 [[BF_LOAD]], -32
// LEWIDTH-NEXT:    [[BF_SET:%.*]] = or i8 [[BF_CLEAR]], 1
// LEWIDTH-NEXT:    store volatile i8 [[BF_SET]], ptr [[TMP0]], align 2
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @st5_check_store(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i8, ptr [[M:%.*]], i32 2
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[TMP0]], align 2
// BEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i8 [[BF_LOAD]], 7
// BEWIDTH-NEXT:    [[BF_SET:%.*]] = or i8 [[BF_CLEAR]], 8
// BEWIDTH-NEXT:    store volatile i8 [[BF_SET]], ptr [[TMP0]], align 2
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @st5_check_store(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i8, ptr [[M:%.*]], i32 2
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[TMP0]], align 2
// LEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i8 [[BF_LOAD]], -32
// LEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i8 [[BF_CLEAR]], 1
// LEWIDTHNUM-NEXT:    store volatile i8 [[BF_SET]], ptr [[TMP0]], align 2
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @st5_check_store(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i8, ptr [[M:%.*]], i32 2
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[TMP0]], align 2
// BEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i8 [[BF_LOAD]], 7
// BEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i8 [[BF_CLEAR]], 8
// BEWIDTHNUM-NEXT:    store volatile i8 [[BF_SET]], ptr [[TMP0]], align 2
// BEWIDTHNUM-NEXT:    ret void
//
void st5_check_store(struct st5 *m) {
  m->c = 1;
}

struct st6 {
  int a : 12;
  char b;
  int c : 5;
};

// LE-LABEL: @st6_check_load(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 4
// LE-NEXT:    [[BF_SHL:%.*]] = shl i16 [[BF_LOAD]], 4
// LE-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_SHL]], 4
// LE-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_ASHR]] to i32
// LE-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6:%.*]], ptr [[M]], i32 0, i32 1
// LE-NEXT:    [[TMP0:%.*]] = load volatile i8, ptr [[B]], align 2
// LE-NEXT:    [[CONV:%.*]] = sext i8 [[TMP0]] to i32
// LE-NEXT:    [[ADD:%.*]] = add nsw i32 [[BF_CAST]], [[CONV]]
// LE-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6]], ptr [[M]], i32 0, i32 2
// LE-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[C]], align 1
// LE-NEXT:    [[BF_SHL2:%.*]] = shl i8 [[BF_LOAD1]], 3
// LE-NEXT:    [[BF_ASHR3:%.*]] = ashr i8 [[BF_SHL2]], 3
// LE-NEXT:    [[BF_CAST4:%.*]] = sext i8 [[BF_ASHR3]] to i32
// LE-NEXT:    [[ADD5:%.*]] = add nsw i32 [[ADD]], [[BF_CAST4]]
// LE-NEXT:    ret i32 [[ADD5]]
//
// BE-LABEL: @st6_check_load(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 4
// BE-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_LOAD]], 4
// BE-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_ASHR]] to i32
// BE-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6:%.*]], ptr [[M]], i32 0, i32 1
// BE-NEXT:    [[TMP0:%.*]] = load volatile i8, ptr [[B]], align 2
// BE-NEXT:    [[CONV:%.*]] = sext i8 [[TMP0]] to i32
// BE-NEXT:    [[ADD:%.*]] = add nsw i32 [[BF_CAST]], [[CONV]]
// BE-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6]], ptr [[M]], i32 0, i32 2
// BE-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[C]], align 1
// BE-NEXT:    [[BF_ASHR2:%.*]] = ashr i8 [[BF_LOAD1]], 3
// BE-NEXT:    [[BF_CAST3:%.*]] = sext i8 [[BF_ASHR2]] to i32
// BE-NEXT:    [[ADD4:%.*]] = add nsw i32 [[ADD]], [[BF_CAST3]]
// BE-NEXT:    ret i32 [[ADD4]]
//
// LENUMLOADS-LABEL: @st6_check_load(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 4
// LENUMLOADS-NEXT:    [[BF_SHL:%.*]] = shl i16 [[BF_LOAD]], 4
// LENUMLOADS-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_SHL]], 4
// LENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_ASHR]] to i32
// LENUMLOADS-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6:%.*]], ptr [[M]], i32 0, i32 1
// LENUMLOADS-NEXT:    [[TMP0:%.*]] = load volatile i8, ptr [[B]], align 2
// LENUMLOADS-NEXT:    [[CONV:%.*]] = sext i8 [[TMP0]] to i32
// LENUMLOADS-NEXT:    [[ADD:%.*]] = add nsw i32 [[BF_CAST]], [[CONV]]
// LENUMLOADS-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6]], ptr [[M]], i32 0, i32 2
// LENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[C]], align 1
// LENUMLOADS-NEXT:    [[BF_SHL2:%.*]] = shl i8 [[BF_LOAD1]], 3
// LENUMLOADS-NEXT:    [[BF_ASHR3:%.*]] = ashr i8 [[BF_SHL2]], 3
// LENUMLOADS-NEXT:    [[BF_CAST4:%.*]] = sext i8 [[BF_ASHR3]] to i32
// LENUMLOADS-NEXT:    [[ADD5:%.*]] = add nsw i32 [[ADD]], [[BF_CAST4]]
// LENUMLOADS-NEXT:    ret i32 [[ADD5]]
//
// BENUMLOADS-LABEL: @st6_check_load(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 4
// BENUMLOADS-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_LOAD]], 4
// BENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_ASHR]] to i32
// BENUMLOADS-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6:%.*]], ptr [[M]], i32 0, i32 1
// BENUMLOADS-NEXT:    [[TMP0:%.*]] = load volatile i8, ptr [[B]], align 2
// BENUMLOADS-NEXT:    [[CONV:%.*]] = sext i8 [[TMP0]] to i32
// BENUMLOADS-NEXT:    [[ADD:%.*]] = add nsw i32 [[BF_CAST]], [[CONV]]
// BENUMLOADS-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6]], ptr [[M]], i32 0, i32 2
// BENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[C]], align 1
// BENUMLOADS-NEXT:    [[BF_ASHR2:%.*]] = ashr i8 [[BF_LOAD1]], 3
// BENUMLOADS-NEXT:    [[BF_CAST3:%.*]] = sext i8 [[BF_ASHR2]] to i32
// BENUMLOADS-NEXT:    [[ADD4:%.*]] = add nsw i32 [[ADD]], [[BF_CAST3]]
// BENUMLOADS-NEXT:    ret i32 [[ADD4]]
//
// LEWIDTH-LABEL: @st6_check_load(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 4
// LEWIDTH-NEXT:    [[BF_SHL:%.*]] = shl i16 [[BF_LOAD]], 4
// LEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_SHL]], 4
// LEWIDTH-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_ASHR]] to i32
// LEWIDTH-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6:%.*]], ptr [[M]], i32 0, i32 1
// LEWIDTH-NEXT:    [[TMP0:%.*]] = load volatile i8, ptr [[B]], align 2
// LEWIDTH-NEXT:    [[CONV:%.*]] = sext i8 [[TMP0]] to i32
// LEWIDTH-NEXT:    [[ADD:%.*]] = add nsw i32 [[BF_CAST]], [[CONV]]
// LEWIDTH-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6]], ptr [[M]], i32 0, i32 2
// LEWIDTH-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[C]], align 1
// LEWIDTH-NEXT:    [[BF_SHL2:%.*]] = shl i8 [[BF_LOAD1]], 3
// LEWIDTH-NEXT:    [[BF_ASHR3:%.*]] = ashr i8 [[BF_SHL2]], 3
// LEWIDTH-NEXT:    [[BF_CAST4:%.*]] = sext i8 [[BF_ASHR3]] to i32
// LEWIDTH-NEXT:    [[ADD5:%.*]] = add nsw i32 [[ADD]], [[BF_CAST4]]
// LEWIDTH-NEXT:    ret i32 [[ADD5]]
//
// BEWIDTH-LABEL: @st6_check_load(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 4
// BEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_LOAD]], 4
// BEWIDTH-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_ASHR]] to i32
// BEWIDTH-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6:%.*]], ptr [[M]], i32 0, i32 1
// BEWIDTH-NEXT:    [[TMP0:%.*]] = load volatile i8, ptr [[B]], align 2
// BEWIDTH-NEXT:    [[CONV:%.*]] = sext i8 [[TMP0]] to i32
// BEWIDTH-NEXT:    [[ADD:%.*]] = add nsw i32 [[BF_CAST]], [[CONV]]
// BEWIDTH-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6]], ptr [[M]], i32 0, i32 2
// BEWIDTH-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[C]], align 1
// BEWIDTH-NEXT:    [[BF_ASHR2:%.*]] = ashr i8 [[BF_LOAD1]], 3
// BEWIDTH-NEXT:    [[BF_CAST3:%.*]] = sext i8 [[BF_ASHR2]] to i32
// BEWIDTH-NEXT:    [[ADD4:%.*]] = add nsw i32 [[ADD]], [[BF_CAST3]]
// BEWIDTH-NEXT:    ret i32 [[ADD4]]
//
// LEWIDTHNUM-LABEL: @st6_check_load(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 4
// LEWIDTHNUM-NEXT:    [[BF_SHL:%.*]] = shl i16 [[BF_LOAD]], 4
// LEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_SHL]], 4
// LEWIDTHNUM-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_ASHR]] to i32
// LEWIDTHNUM-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6:%.*]], ptr [[M]], i32 0, i32 1
// LEWIDTHNUM-NEXT:    [[TMP0:%.*]] = load volatile i8, ptr [[B]], align 2
// LEWIDTHNUM-NEXT:    [[CONV:%.*]] = sext i8 [[TMP0]] to i32
// LEWIDTHNUM-NEXT:    [[ADD:%.*]] = add nsw i32 [[BF_CAST]], [[CONV]]
// LEWIDTHNUM-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6]], ptr [[M]], i32 0, i32 2
// LEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[C]], align 1
// LEWIDTHNUM-NEXT:    [[BF_SHL2:%.*]] = shl i8 [[BF_LOAD1]], 3
// LEWIDTHNUM-NEXT:    [[BF_ASHR3:%.*]] = ashr i8 [[BF_SHL2]], 3
// LEWIDTHNUM-NEXT:    [[BF_CAST4:%.*]] = sext i8 [[BF_ASHR3]] to i32
// LEWIDTHNUM-NEXT:    [[ADD5:%.*]] = add nsw i32 [[ADD]], [[BF_CAST4]]
// LEWIDTHNUM-NEXT:    ret i32 [[ADD5]]
//
// BEWIDTHNUM-LABEL: @st6_check_load(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 4
// BEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_LOAD]], 4
// BEWIDTHNUM-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_ASHR]] to i32
// BEWIDTHNUM-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6:%.*]], ptr [[M]], i32 0, i32 1
// BEWIDTHNUM-NEXT:    [[TMP0:%.*]] = load volatile i8, ptr [[B]], align 2
// BEWIDTHNUM-NEXT:    [[CONV:%.*]] = sext i8 [[TMP0]] to i32
// BEWIDTHNUM-NEXT:    [[ADD:%.*]] = add nsw i32 [[BF_CAST]], [[CONV]]
// BEWIDTHNUM-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6]], ptr [[M]], i32 0, i32 2
// BEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[C]], align 1
// BEWIDTHNUM-NEXT:    [[BF_ASHR2:%.*]] = ashr i8 [[BF_LOAD1]], 3
// BEWIDTHNUM-NEXT:    [[BF_CAST3:%.*]] = sext i8 [[BF_ASHR2]] to i32
// BEWIDTHNUM-NEXT:    [[ADD4:%.*]] = add nsw i32 [[ADD]], [[BF_CAST3]]
// BEWIDTHNUM-NEXT:    ret i32 [[ADD4]]
//
int st6_check_load(volatile struct st6 *m) {
  int x = m->a;
  x += m->b;
  x += m->c;
  return x;
}

// LE-LABEL: @st6_check_store(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// LE-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], -4096
// LE-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 1
// LE-NEXT:    store i16 [[BF_SET]], ptr [[M]], align 4
// LE-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6:%.*]], ptr [[M]], i32 0, i32 1
// LE-NEXT:    store i8 2, ptr [[B]], align 2
// LE-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6]], ptr [[M]], i32 0, i32 2
// LE-NEXT:    [[BF_LOAD1:%.*]] = load i8, ptr [[C]], align 1
// LE-NEXT:    [[BF_CLEAR2:%.*]] = and i8 [[BF_LOAD1]], -32
// LE-NEXT:    [[BF_SET3:%.*]] = or i8 [[BF_CLEAR2]], 3
// LE-NEXT:    store i8 [[BF_SET3]], ptr [[C]], align 1
// LE-NEXT:    ret void
//
// BE-LABEL: @st6_check_store(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// BE-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], 15
// BE-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 16
// BE-NEXT:    store i16 [[BF_SET]], ptr [[M]], align 4
// BE-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6:%.*]], ptr [[M]], i32 0, i32 1
// BE-NEXT:    store i8 2, ptr [[B]], align 2
// BE-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6]], ptr [[M]], i32 0, i32 2
// BE-NEXT:    [[BF_LOAD1:%.*]] = load i8, ptr [[C]], align 1
// BE-NEXT:    [[BF_CLEAR2:%.*]] = and i8 [[BF_LOAD1]], 7
// BE-NEXT:    [[BF_SET3:%.*]] = or i8 [[BF_CLEAR2]], 24
// BE-NEXT:    store i8 [[BF_SET3]], ptr [[C]], align 1
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @st6_check_store(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// LENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], -4096
// LENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 1
// LENUMLOADS-NEXT:    store i16 [[BF_SET]], ptr [[M]], align 4
// LENUMLOADS-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6:%.*]], ptr [[M]], i32 0, i32 1
// LENUMLOADS-NEXT:    store i8 2, ptr [[B]], align 2
// LENUMLOADS-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6]], ptr [[M]], i32 0, i32 2
// LENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load i8, ptr [[C]], align 1
// LENUMLOADS-NEXT:    [[BF_CLEAR2:%.*]] = and i8 [[BF_LOAD1]], -32
// LENUMLOADS-NEXT:    [[BF_SET3:%.*]] = or i8 [[BF_CLEAR2]], 3
// LENUMLOADS-NEXT:    store i8 [[BF_SET3]], ptr [[C]], align 1
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @st6_check_store(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// BENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], 15
// BENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 16
// BENUMLOADS-NEXT:    store i16 [[BF_SET]], ptr [[M]], align 4
// BENUMLOADS-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6:%.*]], ptr [[M]], i32 0, i32 1
// BENUMLOADS-NEXT:    store i8 2, ptr [[B]], align 2
// BENUMLOADS-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6]], ptr [[M]], i32 0, i32 2
// BENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load i8, ptr [[C]], align 1
// BENUMLOADS-NEXT:    [[BF_CLEAR2:%.*]] = and i8 [[BF_LOAD1]], 7
// BENUMLOADS-NEXT:    [[BF_SET3:%.*]] = or i8 [[BF_CLEAR2]], 24
// BENUMLOADS-NEXT:    store i8 [[BF_SET3]], ptr [[C]], align 1
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @st6_check_store(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// LEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], -4096
// LEWIDTH-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 1
// LEWIDTH-NEXT:    store i16 [[BF_SET]], ptr [[M]], align 4
// LEWIDTH-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6:%.*]], ptr [[M]], i32 0, i32 1
// LEWIDTH-NEXT:    store i8 2, ptr [[B]], align 2
// LEWIDTH-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6]], ptr [[M]], i32 0, i32 2
// LEWIDTH-NEXT:    [[BF_LOAD1:%.*]] = load i8, ptr [[C]], align 1
// LEWIDTH-NEXT:    [[BF_CLEAR2:%.*]] = and i8 [[BF_LOAD1]], -32
// LEWIDTH-NEXT:    [[BF_SET3:%.*]] = or i8 [[BF_CLEAR2]], 3
// LEWIDTH-NEXT:    store i8 [[BF_SET3]], ptr [[C]], align 1
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @st6_check_store(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// BEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], 15
// BEWIDTH-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 16
// BEWIDTH-NEXT:    store i16 [[BF_SET]], ptr [[M]], align 4
// BEWIDTH-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6:%.*]], ptr [[M]], i32 0, i32 1
// BEWIDTH-NEXT:    store i8 2, ptr [[B]], align 2
// BEWIDTH-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6]], ptr [[M]], i32 0, i32 2
// BEWIDTH-NEXT:    [[BF_LOAD1:%.*]] = load i8, ptr [[C]], align 1
// BEWIDTH-NEXT:    [[BF_CLEAR2:%.*]] = and i8 [[BF_LOAD1]], 7
// BEWIDTH-NEXT:    [[BF_SET3:%.*]] = or i8 [[BF_CLEAR2]], 24
// BEWIDTH-NEXT:    store i8 [[BF_SET3]], ptr [[C]], align 1
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @st6_check_store(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// LEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], -4096
// LEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 1
// LEWIDTHNUM-NEXT:    store i16 [[BF_SET]], ptr [[M]], align 4
// LEWIDTHNUM-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6:%.*]], ptr [[M]], i32 0, i32 1
// LEWIDTHNUM-NEXT:    store i8 2, ptr [[B]], align 2
// LEWIDTHNUM-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6]], ptr [[M]], i32 0, i32 2
// LEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load i8, ptr [[C]], align 1
// LEWIDTHNUM-NEXT:    [[BF_CLEAR2:%.*]] = and i8 [[BF_LOAD1]], -32
// LEWIDTHNUM-NEXT:    [[BF_SET3:%.*]] = or i8 [[BF_CLEAR2]], 3
// LEWIDTHNUM-NEXT:    store i8 [[BF_SET3]], ptr [[C]], align 1
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @st6_check_store(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[M:%.*]], align 4
// BEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], 15
// BEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 16
// BEWIDTHNUM-NEXT:    store i16 [[BF_SET]], ptr [[M]], align 4
// BEWIDTHNUM-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6:%.*]], ptr [[M]], i32 0, i32 1
// BEWIDTHNUM-NEXT:    store i8 2, ptr [[B]], align 2
// BEWIDTHNUM-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST6]], ptr [[M]], i32 0, i32 2
// BEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load i8, ptr [[C]], align 1
// BEWIDTHNUM-NEXT:    [[BF_CLEAR2:%.*]] = and i8 [[BF_LOAD1]], 7
// BEWIDTHNUM-NEXT:    [[BF_SET3:%.*]] = or i8 [[BF_CLEAR2]], 24
// BEWIDTHNUM-NEXT:    store i8 [[BF_SET3]], ptr [[C]], align 1
// BEWIDTHNUM-NEXT:    ret void
//
void st6_check_store(struct st6 *m) {
  m->a = 1;
  m->b = 2;
  m->c = 3;
}

// Nested structs and bitfields.
struct st7a {
  char a;
  int b : 5;
};

struct st7b {
  char x;
  volatile struct st7a y;
};

// LE-LABEL: @st7_check_load(
// LE-NEXT:  entry:
// LE-NEXT:    [[X:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B:%.*]], ptr [[M:%.*]], i32 0, i32 0
// LE-NEXT:    [[TMP0:%.*]] = load i8, ptr [[X]], align 4
// LE-NEXT:    [[CONV:%.*]] = sext i8 [[TMP0]] to i32
// LE-NEXT:    [[Y:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// LE-NEXT:    [[A:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A:%.*]], ptr [[Y]], i32 0, i32 0
// LE-NEXT:    [[TMP1:%.*]] = load volatile i8, ptr [[A]], align 4
// LE-NEXT:    [[CONV1:%.*]] = sext i8 [[TMP1]] to i32
// LE-NEXT:    [[ADD:%.*]] = add nsw i32 [[CONV]], [[CONV1]]
// LE-NEXT:    [[Y2:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// LE-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A]], ptr [[Y2]], i32 0, i32 1
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[B]], align 1
// LE-NEXT:    [[BF_SHL:%.*]] = shl i8 [[BF_LOAD]], 3
// LE-NEXT:    [[BF_ASHR:%.*]] = ashr i8 [[BF_SHL]], 3
// LE-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_ASHR]] to i32
// LE-NEXT:    [[ADD3:%.*]] = add nsw i32 [[ADD]], [[BF_CAST]]
// LE-NEXT:    ret i32 [[ADD3]]
//
// BE-LABEL: @st7_check_load(
// BE-NEXT:  entry:
// BE-NEXT:    [[X:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B:%.*]], ptr [[M:%.*]], i32 0, i32 0
// BE-NEXT:    [[TMP0:%.*]] = load i8, ptr [[X]], align 4
// BE-NEXT:    [[CONV:%.*]] = sext i8 [[TMP0]] to i32
// BE-NEXT:    [[Y:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// BE-NEXT:    [[A:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A:%.*]], ptr [[Y]], i32 0, i32 0
// BE-NEXT:    [[TMP1:%.*]] = load volatile i8, ptr [[A]], align 4
// BE-NEXT:    [[CONV1:%.*]] = sext i8 [[TMP1]] to i32
// BE-NEXT:    [[ADD:%.*]] = add nsw i32 [[CONV]], [[CONV1]]
// BE-NEXT:    [[Y2:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// BE-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A]], ptr [[Y2]], i32 0, i32 1
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[B]], align 1
// BE-NEXT:    [[BF_ASHR:%.*]] = ashr i8 [[BF_LOAD]], 3
// BE-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_ASHR]] to i32
// BE-NEXT:    [[ADD3:%.*]] = add nsw i32 [[ADD]], [[BF_CAST]]
// BE-NEXT:    ret i32 [[ADD3]]
//
// LENUMLOADS-LABEL: @st7_check_load(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[X:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B:%.*]], ptr [[M:%.*]], i32 0, i32 0
// LENUMLOADS-NEXT:    [[TMP0:%.*]] = load i8, ptr [[X]], align 4
// LENUMLOADS-NEXT:    [[CONV:%.*]] = sext i8 [[TMP0]] to i32
// LENUMLOADS-NEXT:    [[Y:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// LENUMLOADS-NEXT:    [[A:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A:%.*]], ptr [[Y]], i32 0, i32 0
// LENUMLOADS-NEXT:    [[TMP1:%.*]] = load volatile i8, ptr [[A]], align 4
// LENUMLOADS-NEXT:    [[CONV1:%.*]] = sext i8 [[TMP1]] to i32
// LENUMLOADS-NEXT:    [[ADD:%.*]] = add nsw i32 [[CONV]], [[CONV1]]
// LENUMLOADS-NEXT:    [[Y2:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// LENUMLOADS-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A]], ptr [[Y2]], i32 0, i32 1
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[B]], align 1
// LENUMLOADS-NEXT:    [[BF_SHL:%.*]] = shl i8 [[BF_LOAD]], 3
// LENUMLOADS-NEXT:    [[BF_ASHR:%.*]] = ashr i8 [[BF_SHL]], 3
// LENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_ASHR]] to i32
// LENUMLOADS-NEXT:    [[ADD3:%.*]] = add nsw i32 [[ADD]], [[BF_CAST]]
// LENUMLOADS-NEXT:    ret i32 [[ADD3]]
//
// BENUMLOADS-LABEL: @st7_check_load(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[X:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B:%.*]], ptr [[M:%.*]], i32 0, i32 0
// BENUMLOADS-NEXT:    [[TMP0:%.*]] = load i8, ptr [[X]], align 4
// BENUMLOADS-NEXT:    [[CONV:%.*]] = sext i8 [[TMP0]] to i32
// BENUMLOADS-NEXT:    [[Y:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// BENUMLOADS-NEXT:    [[A:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A:%.*]], ptr [[Y]], i32 0, i32 0
// BENUMLOADS-NEXT:    [[TMP1:%.*]] = load volatile i8, ptr [[A]], align 4
// BENUMLOADS-NEXT:    [[CONV1:%.*]] = sext i8 [[TMP1]] to i32
// BENUMLOADS-NEXT:    [[ADD:%.*]] = add nsw i32 [[CONV]], [[CONV1]]
// BENUMLOADS-NEXT:    [[Y2:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// BENUMLOADS-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A]], ptr [[Y2]], i32 0, i32 1
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[B]], align 1
// BENUMLOADS-NEXT:    [[BF_ASHR:%.*]] = ashr i8 [[BF_LOAD]], 3
// BENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_ASHR]] to i32
// BENUMLOADS-NEXT:    [[ADD3:%.*]] = add nsw i32 [[ADD]], [[BF_CAST]]
// BENUMLOADS-NEXT:    ret i32 [[ADD3]]
//
// LEWIDTH-LABEL: @st7_check_load(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[X:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B:%.*]], ptr [[M:%.*]], i32 0, i32 0
// LEWIDTH-NEXT:    [[TMP0:%.*]] = load i8, ptr [[X]], align 4
// LEWIDTH-NEXT:    [[CONV:%.*]] = sext i8 [[TMP0]] to i32
// LEWIDTH-NEXT:    [[Y:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// LEWIDTH-NEXT:    [[A:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A:%.*]], ptr [[Y]], i32 0, i32 0
// LEWIDTH-NEXT:    [[TMP1:%.*]] = load volatile i8, ptr [[A]], align 4
// LEWIDTH-NEXT:    [[CONV1:%.*]] = sext i8 [[TMP1]] to i32
// LEWIDTH-NEXT:    [[ADD:%.*]] = add nsw i32 [[CONV]], [[CONV1]]
// LEWIDTH-NEXT:    [[Y2:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// LEWIDTH-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A]], ptr [[Y2]], i32 0, i32 1
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[B]], align 1
// LEWIDTH-NEXT:    [[BF_SHL:%.*]] = shl i8 [[BF_LOAD]], 3
// LEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i8 [[BF_SHL]], 3
// LEWIDTH-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_ASHR]] to i32
// LEWIDTH-NEXT:    [[ADD3:%.*]] = add nsw i32 [[ADD]], [[BF_CAST]]
// LEWIDTH-NEXT:    ret i32 [[ADD3]]
//
// BEWIDTH-LABEL: @st7_check_load(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[X:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B:%.*]], ptr [[M:%.*]], i32 0, i32 0
// BEWIDTH-NEXT:    [[TMP0:%.*]] = load i8, ptr [[X]], align 4
// BEWIDTH-NEXT:    [[CONV:%.*]] = sext i8 [[TMP0]] to i32
// BEWIDTH-NEXT:    [[Y:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// BEWIDTH-NEXT:    [[A:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A:%.*]], ptr [[Y]], i32 0, i32 0
// BEWIDTH-NEXT:    [[TMP1:%.*]] = load volatile i8, ptr [[A]], align 4
// BEWIDTH-NEXT:    [[CONV1:%.*]] = sext i8 [[TMP1]] to i32
// BEWIDTH-NEXT:    [[ADD:%.*]] = add nsw i32 [[CONV]], [[CONV1]]
// BEWIDTH-NEXT:    [[Y2:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// BEWIDTH-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A]], ptr [[Y2]], i32 0, i32 1
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[B]], align 1
// BEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i8 [[BF_LOAD]], 3
// BEWIDTH-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_ASHR]] to i32
// BEWIDTH-NEXT:    [[ADD3:%.*]] = add nsw i32 [[ADD]], [[BF_CAST]]
// BEWIDTH-NEXT:    ret i32 [[ADD3]]
//
// LEWIDTHNUM-LABEL: @st7_check_load(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[X:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B:%.*]], ptr [[M:%.*]], i32 0, i32 0
// LEWIDTHNUM-NEXT:    [[TMP0:%.*]] = load i8, ptr [[X]], align 4
// LEWIDTHNUM-NEXT:    [[CONV:%.*]] = sext i8 [[TMP0]] to i32
// LEWIDTHNUM-NEXT:    [[Y:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// LEWIDTHNUM-NEXT:    [[A:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A:%.*]], ptr [[Y]], i32 0, i32 0
// LEWIDTHNUM-NEXT:    [[TMP1:%.*]] = load volatile i8, ptr [[A]], align 4
// LEWIDTHNUM-NEXT:    [[CONV1:%.*]] = sext i8 [[TMP1]] to i32
// LEWIDTHNUM-NEXT:    [[ADD:%.*]] = add nsw i32 [[CONV]], [[CONV1]]
// LEWIDTHNUM-NEXT:    [[Y2:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// LEWIDTHNUM-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A]], ptr [[Y2]], i32 0, i32 1
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[B]], align 1
// LEWIDTHNUM-NEXT:    [[BF_SHL:%.*]] = shl i8 [[BF_LOAD]], 3
// LEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i8 [[BF_SHL]], 3
// LEWIDTHNUM-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_ASHR]] to i32
// LEWIDTHNUM-NEXT:    [[ADD3:%.*]] = add nsw i32 [[ADD]], [[BF_CAST]]
// LEWIDTHNUM-NEXT:    ret i32 [[ADD3]]
//
// BEWIDTHNUM-LABEL: @st7_check_load(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[X:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B:%.*]], ptr [[M:%.*]], i32 0, i32 0
// BEWIDTHNUM-NEXT:    [[TMP0:%.*]] = load i8, ptr [[X]], align 4
// BEWIDTHNUM-NEXT:    [[CONV:%.*]] = sext i8 [[TMP0]] to i32
// BEWIDTHNUM-NEXT:    [[Y:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// BEWIDTHNUM-NEXT:    [[A:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A:%.*]], ptr [[Y]], i32 0, i32 0
// BEWIDTHNUM-NEXT:    [[TMP1:%.*]] = load volatile i8, ptr [[A]], align 4
// BEWIDTHNUM-NEXT:    [[CONV1:%.*]] = sext i8 [[TMP1]] to i32
// BEWIDTHNUM-NEXT:    [[ADD:%.*]] = add nsw i32 [[CONV]], [[CONV1]]
// BEWIDTHNUM-NEXT:    [[Y2:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// BEWIDTHNUM-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A]], ptr [[Y2]], i32 0, i32 1
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[B]], align 1
// BEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i8 [[BF_LOAD]], 3
// BEWIDTHNUM-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_ASHR]] to i32
// BEWIDTHNUM-NEXT:    [[ADD3:%.*]] = add nsw i32 [[ADD]], [[BF_CAST]]
// BEWIDTHNUM-NEXT:    ret i32 [[ADD3]]
//
int st7_check_load(struct st7b *m) {
  int r = m->x;
  r += m->y.a;
  r += m->y.b;
  return r;
}

// LE-LABEL: @st7_check_store(
// LE-NEXT:  entry:
// LE-NEXT:    [[X:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B:%.*]], ptr [[M:%.*]], i32 0, i32 0
// LE-NEXT:    store i8 1, ptr [[X]], align 4
// LE-NEXT:    [[Y:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// LE-NEXT:    [[A:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A:%.*]], ptr [[Y]], i32 0, i32 0
// LE-NEXT:    store volatile i8 2, ptr [[A]], align 4
// LE-NEXT:    [[Y1:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// LE-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A]], ptr [[Y1]], i32 0, i32 1
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[B]], align 1
// LE-NEXT:    [[BF_CLEAR:%.*]] = and i8 [[BF_LOAD]], -32
// LE-NEXT:    [[BF_SET:%.*]] = or i8 [[BF_CLEAR]], 3
// LE-NEXT:    store volatile i8 [[BF_SET]], ptr [[B]], align 1
// LE-NEXT:    ret void
//
// BE-LABEL: @st7_check_store(
// BE-NEXT:  entry:
// BE-NEXT:    [[X:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B:%.*]], ptr [[M:%.*]], i32 0, i32 0
// BE-NEXT:    store i8 1, ptr [[X]], align 4
// BE-NEXT:    [[Y:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// BE-NEXT:    [[A:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A:%.*]], ptr [[Y]], i32 0, i32 0
// BE-NEXT:    store volatile i8 2, ptr [[A]], align 4
// BE-NEXT:    [[Y1:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// BE-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A]], ptr [[Y1]], i32 0, i32 1
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[B]], align 1
// BE-NEXT:    [[BF_CLEAR:%.*]] = and i8 [[BF_LOAD]], 7
// BE-NEXT:    [[BF_SET:%.*]] = or i8 [[BF_CLEAR]], 24
// BE-NEXT:    store volatile i8 [[BF_SET]], ptr [[B]], align 1
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @st7_check_store(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[X:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B:%.*]], ptr [[M:%.*]], i32 0, i32 0
// LENUMLOADS-NEXT:    store i8 1, ptr [[X]], align 4
// LENUMLOADS-NEXT:    [[Y:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// LENUMLOADS-NEXT:    [[A:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A:%.*]], ptr [[Y]], i32 0, i32 0
// LENUMLOADS-NEXT:    store volatile i8 2, ptr [[A]], align 4
// LENUMLOADS-NEXT:    [[Y1:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// LENUMLOADS-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A]], ptr [[Y1]], i32 0, i32 1
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[B]], align 1
// LENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i8 [[BF_LOAD]], -32
// LENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i8 [[BF_CLEAR]], 3
// LENUMLOADS-NEXT:    store volatile i8 [[BF_SET]], ptr [[B]], align 1
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @st7_check_store(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[X:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B:%.*]], ptr [[M:%.*]], i32 0, i32 0
// BENUMLOADS-NEXT:    store i8 1, ptr [[X]], align 4
// BENUMLOADS-NEXT:    [[Y:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// BENUMLOADS-NEXT:    [[A:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A:%.*]], ptr [[Y]], i32 0, i32 0
// BENUMLOADS-NEXT:    store volatile i8 2, ptr [[A]], align 4
// BENUMLOADS-NEXT:    [[Y1:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// BENUMLOADS-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A]], ptr [[Y1]], i32 0, i32 1
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[B]], align 1
// BENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i8 [[BF_LOAD]], 7
// BENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i8 [[BF_CLEAR]], 24
// BENUMLOADS-NEXT:    store volatile i8 [[BF_SET]], ptr [[B]], align 1
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @st7_check_store(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[X:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B:%.*]], ptr [[M:%.*]], i32 0, i32 0
// LEWIDTH-NEXT:    store i8 1, ptr [[X]], align 4
// LEWIDTH-NEXT:    [[Y:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// LEWIDTH-NEXT:    [[A:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A:%.*]], ptr [[Y]], i32 0, i32 0
// LEWIDTH-NEXT:    store volatile i8 2, ptr [[A]], align 4
// LEWIDTH-NEXT:    [[Y1:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// LEWIDTH-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A]], ptr [[Y1]], i32 0, i32 1
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[B]], align 1
// LEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i8 [[BF_LOAD]], -32
// LEWIDTH-NEXT:    [[BF_SET:%.*]] = or i8 [[BF_CLEAR]], 3
// LEWIDTH-NEXT:    store volatile i8 [[BF_SET]], ptr [[B]], align 1
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @st7_check_store(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[X:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B:%.*]], ptr [[M:%.*]], i32 0, i32 0
// BEWIDTH-NEXT:    store i8 1, ptr [[X]], align 4
// BEWIDTH-NEXT:    [[Y:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// BEWIDTH-NEXT:    [[A:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A:%.*]], ptr [[Y]], i32 0, i32 0
// BEWIDTH-NEXT:    store volatile i8 2, ptr [[A]], align 4
// BEWIDTH-NEXT:    [[Y1:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// BEWIDTH-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A]], ptr [[Y1]], i32 0, i32 1
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[B]], align 1
// BEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i8 [[BF_LOAD]], 7
// BEWIDTH-NEXT:    [[BF_SET:%.*]] = or i8 [[BF_CLEAR]], 24
// BEWIDTH-NEXT:    store volatile i8 [[BF_SET]], ptr [[B]], align 1
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @st7_check_store(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[X:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B:%.*]], ptr [[M:%.*]], i32 0, i32 0
// LEWIDTHNUM-NEXT:    store i8 1, ptr [[X]], align 4
// LEWIDTHNUM-NEXT:    [[Y:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// LEWIDTHNUM-NEXT:    [[A:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A:%.*]], ptr [[Y]], i32 0, i32 0
// LEWIDTHNUM-NEXT:    store volatile i8 2, ptr [[A]], align 4
// LEWIDTHNUM-NEXT:    [[Y1:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// LEWIDTHNUM-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A]], ptr [[Y1]], i32 0, i32 1
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[B]], align 1
// LEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i8 [[BF_LOAD]], -32
// LEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i8 [[BF_CLEAR]], 3
// LEWIDTHNUM-NEXT:    store volatile i8 [[BF_SET]], ptr [[B]], align 1
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @st7_check_store(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[X:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B:%.*]], ptr [[M:%.*]], i32 0, i32 0
// BEWIDTHNUM-NEXT:    store i8 1, ptr [[X]], align 4
// BEWIDTHNUM-NEXT:    [[Y:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// BEWIDTHNUM-NEXT:    [[A:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A:%.*]], ptr [[Y]], i32 0, i32 0
// BEWIDTHNUM-NEXT:    store volatile i8 2, ptr [[A]], align 4
// BEWIDTHNUM-NEXT:    [[Y1:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7B]], ptr [[M]], i32 0, i32 2
// BEWIDTHNUM-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST7A]], ptr [[Y1]], i32 0, i32 1
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[B]], align 1
// BEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i8 [[BF_LOAD]], 7
// BEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i8 [[BF_CLEAR]], 24
// BEWIDTHNUM-NEXT:    store volatile i8 [[BF_SET]], ptr [[B]], align 1
// BEWIDTHNUM-NEXT:    ret void
//
void st7_check_store(struct st7b *m) {
  m->x = 1;
  m->y.a = 2;
  m->y.b = 3;
}

// Check overflowing assignments to bitfields.
struct st8 {
  unsigned f : 16;
};

// LE-LABEL: @st8_check_assignment(
// LE-NEXT:  entry:
// LE-NEXT:    store i16 -1, ptr [[M:%.*]], align 4
// LE-NEXT:    ret i32 65535
//
// BE-LABEL: @st8_check_assignment(
// BE-NEXT:  entry:
// BE-NEXT:    store i16 -1, ptr [[M:%.*]], align 4
// BE-NEXT:    ret i32 65535
//
// LENUMLOADS-LABEL: @st8_check_assignment(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    store i16 -1, ptr [[M:%.*]], align 4
// LENUMLOADS-NEXT:    ret i32 65535
//
// BENUMLOADS-LABEL: @st8_check_assignment(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    store i16 -1, ptr [[M:%.*]], align 4
// BENUMLOADS-NEXT:    ret i32 65535
//
// LEWIDTH-LABEL: @st8_check_assignment(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    store i16 -1, ptr [[M:%.*]], align 4
// LEWIDTH-NEXT:    ret i32 65535
//
// BEWIDTH-LABEL: @st8_check_assignment(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    store i16 -1, ptr [[M:%.*]], align 4
// BEWIDTH-NEXT:    ret i32 65535
//
// LEWIDTHNUM-LABEL: @st8_check_assignment(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    store i16 -1, ptr [[M:%.*]], align 4
// LEWIDTHNUM-NEXT:    ret i32 65535
//
// BEWIDTHNUM-LABEL: @st8_check_assignment(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    store i16 -1, ptr [[M:%.*]], align 4
// BEWIDTHNUM-NEXT:    ret i32 65535
//
int st8_check_assignment(struct st8 *m) {
  return m->f = 0xffff;
}

struct st9{
  int f : 8;
};

// LE-LABEL: @read_st9(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[M:%.*]], align 4
// LE-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i32
// LE-NEXT:    ret i32 [[BF_CAST]]
//
// BE-LABEL: @read_st9(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[M:%.*]], align 4
// BE-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i32
// BE-NEXT:    ret i32 [[BF_CAST]]
//
// LENUMLOADS-LABEL: @read_st9(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[M:%.*]], align 4
// LENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i32
// LENUMLOADS-NEXT:    ret i32 [[BF_CAST]]
//
// BENUMLOADS-LABEL: @read_st9(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[M:%.*]], align 4
// BENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i32
// BENUMLOADS-NEXT:    ret i32 [[BF_CAST]]
//
// LEWIDTH-LABEL: @read_st9(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LEWIDTH-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 24
// LEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 24
// LEWIDTH-NEXT:    ret i32 [[BF_ASHR]]
//
// BEWIDTH-LABEL: @read_st9(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_LOAD]], 24
// BEWIDTH-NEXT:    ret i32 [[BF_ASHR]]
//
// LEWIDTHNUM-LABEL: @read_st9(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LEWIDTHNUM-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 24
// LEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 24
// LEWIDTHNUM-NEXT:    ret i32 [[BF_ASHR]]
//
// BEWIDTHNUM-LABEL: @read_st9(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_LOAD]], 24
// BEWIDTHNUM-NEXT:    ret i32 [[BF_ASHR]]
//
int read_st9(volatile struct st9 *m) {
  return m->f;
}

// LE-LABEL: @store_st9(
// LE-NEXT:  entry:
// LE-NEXT:    store volatile i8 1, ptr [[M:%.*]], align 4
// LE-NEXT:    ret void
//
// BE-LABEL: @store_st9(
// BE-NEXT:  entry:
// BE-NEXT:    store volatile i8 1, ptr [[M:%.*]], align 4
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @store_st9(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[M:%.*]], align 4
// LENUMLOADS-NEXT:    store volatile i8 1, ptr [[M]], align 4
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @store_st9(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[M:%.*]], align 4
// BENUMLOADS-NEXT:    store volatile i8 1, ptr [[M]], align 4
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @store_st9(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], -256
// LEWIDTH-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], 1
// LEWIDTH-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @store_st9(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], 16777215
// BEWIDTH-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], 16777216
// BEWIDTH-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @store_st9(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], -256
// LEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], 1
// LEWIDTHNUM-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @store_st9(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], 16777215
// BEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], 16777216
// BEWIDTHNUM-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// BEWIDTHNUM-NEXT:    ret void
//
void store_st9(volatile struct st9 *m) {
  m->f = 1;
}

// LE-LABEL: @increment_st9(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[M:%.*]], align 4
// LE-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i32
// LE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// LE-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i8
// LE-NEXT:    store volatile i8 [[TMP0]], ptr [[M]], align 4
// LE-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i8 [[TMP0]] to i32
// LE-NEXT:    ret void
//
// BE-LABEL: @increment_st9(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[M:%.*]], align 4
// BE-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i32
// BE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// BE-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i8
// BE-NEXT:    store volatile i8 [[TMP0]], ptr [[M]], align 4
// BE-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i8 [[TMP0]] to i32
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @increment_st9(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[M:%.*]], align 4
// LENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i32
// LENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// LENUMLOADS-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i8
// LENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[M]], align 4
// LENUMLOADS-NEXT:    store volatile i8 [[TMP0]], ptr [[M]], align 4
// LENUMLOADS-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i8 [[TMP0]] to i32
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @increment_st9(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[M:%.*]], align 4
// BENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i32
// BENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// BENUMLOADS-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i8
// BENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[M]], align 4
// BENUMLOADS-NEXT:    store volatile i8 [[TMP0]], ptr [[M]], align 4
// BENUMLOADS-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i8 [[TMP0]] to i32
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @increment_st9(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LEWIDTH-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 24
// LEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 24
// LEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// LEWIDTH-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[M]], align 4
// LEWIDTH-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 255
// LEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], -256
// LEWIDTH-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_VALUE]]
// LEWIDTH-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// LEWIDTH-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 24
// LEWIDTH-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 24
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @increment_st9(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_LOAD]], 24
// BEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// BEWIDTH-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[M]], align 4
// BEWIDTH-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 255
// BEWIDTH-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_VALUE]], 24
// BEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], 16777215
// BEWIDTH-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_SHL]]
// BEWIDTH-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// BEWIDTH-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 24
// BEWIDTH-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 24
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @increment_st9(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LEWIDTHNUM-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 24
// LEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 24
// LEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// LEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[M]], align 4
// LEWIDTHNUM-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 255
// LEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], -256
// LEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_VALUE]]
// LEWIDTHNUM-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// LEWIDTHNUM-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 24
// LEWIDTHNUM-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 24
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @increment_st9(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_LOAD]], 24
// BEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// BEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[M]], align 4
// BEWIDTHNUM-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 255
// BEWIDTHNUM-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_VALUE]], 24
// BEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], 16777215
// BEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_SHL]]
// BEWIDTHNUM-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// BEWIDTHNUM-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 24
// BEWIDTHNUM-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 24
// BEWIDTHNUM-NEXT:    ret void
//
void increment_st9(volatile struct st9 *m) {
  ++m->f;
}

struct st10{
  int e : 1;
  int f : 8;
};

// LE-LABEL: @read_st10(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 4
// LE-NEXT:    [[BF_SHL:%.*]] = shl i16 [[BF_LOAD]], 7
// LE-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_SHL]], 8
// LE-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_ASHR]] to i32
// LE-NEXT:    ret i32 [[BF_CAST]]
//
// BE-LABEL: @read_st10(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 4
// BE-NEXT:    [[BF_SHL:%.*]] = shl i16 [[BF_LOAD]], 1
// BE-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_SHL]], 8
// BE-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_ASHR]] to i32
// BE-NEXT:    ret i32 [[BF_CAST]]
//
// LENUMLOADS-LABEL: @read_st10(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 4
// LENUMLOADS-NEXT:    [[BF_SHL:%.*]] = shl i16 [[BF_LOAD]], 7
// LENUMLOADS-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_SHL]], 8
// LENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_ASHR]] to i32
// LENUMLOADS-NEXT:    ret i32 [[BF_CAST]]
//
// BENUMLOADS-LABEL: @read_st10(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 4
// BENUMLOADS-NEXT:    [[BF_SHL:%.*]] = shl i16 [[BF_LOAD]], 1
// BENUMLOADS-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_SHL]], 8
// BENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_ASHR]] to i32
// BENUMLOADS-NEXT:    ret i32 [[BF_CAST]]
//
// LEWIDTH-LABEL: @read_st10(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LEWIDTH-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 23
// LEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 24
// LEWIDTH-NEXT:    ret i32 [[BF_ASHR]]
//
// BEWIDTH-LABEL: @read_st10(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BEWIDTH-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 1
// BEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 24
// BEWIDTH-NEXT:    ret i32 [[BF_ASHR]]
//
// LEWIDTHNUM-LABEL: @read_st10(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LEWIDTHNUM-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 23
// LEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 24
// LEWIDTHNUM-NEXT:    ret i32 [[BF_ASHR]]
//
// BEWIDTHNUM-LABEL: @read_st10(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BEWIDTHNUM-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 1
// BEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 24
// BEWIDTHNUM-NEXT:    ret i32 [[BF_ASHR]]
//
int read_st10(volatile struct st10 *m) {
  return m->f;
}

// LE-LABEL: @store_st10(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 4
// LE-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], -511
// LE-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 2
// LE-NEXT:    store volatile i16 [[BF_SET]], ptr [[M]], align 4
// LE-NEXT:    ret void
//
// BE-LABEL: @store_st10(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 4
// BE-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], -32641
// BE-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 128
// BE-NEXT:    store volatile i16 [[BF_SET]], ptr [[M]], align 4
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @store_st10(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 4
// LENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], -511
// LENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 2
// LENUMLOADS-NEXT:    store volatile i16 [[BF_SET]], ptr [[M]], align 4
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @store_st10(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 4
// BENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD]], -32641
// BENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], 128
// BENUMLOADS-NEXT:    store volatile i16 [[BF_SET]], ptr [[M]], align 4
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @store_st10(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], -511
// LEWIDTH-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], 2
// LEWIDTH-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @store_st10(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], -2139095041
// BEWIDTH-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], 8388608
// BEWIDTH-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @store_st10(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], -511
// LEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], 2
// LEWIDTHNUM-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @store_st10(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], -2139095041
// BEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], 8388608
// BEWIDTHNUM-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// BEWIDTHNUM-NEXT:    ret void
//
void store_st10(volatile struct st10 *m) {
  m->f = 1;
}

// LE-LABEL: @increment_st10(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 4
// LE-NEXT:    [[BF_SHL:%.*]] = shl i16 [[BF_LOAD]], 7
// LE-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_SHL]], 8
// LE-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_ASHR]] to i32
// LE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// LE-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// LE-NEXT:    [[BF_LOAD1:%.*]] = load volatile i16, ptr [[M]], align 4
// LE-NEXT:    [[BF_VALUE:%.*]] = and i16 [[TMP0]], 255
// LE-NEXT:    [[BF_SHL2:%.*]] = shl i16 [[BF_VALUE]], 1
// LE-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD1]], -511
// LE-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], [[BF_SHL2]]
// LE-NEXT:    store volatile i16 [[BF_SET]], ptr [[M]], align 4
// LE-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i16 [[BF_VALUE]], 8
// LE-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i16 [[BF_RESULT_SHL]], 8
// LE-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[BF_RESULT_ASHR]] to i32
// LE-NEXT:    ret void
//
// BE-LABEL: @increment_st10(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 4
// BE-NEXT:    [[BF_SHL:%.*]] = shl i16 [[BF_LOAD]], 1
// BE-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_SHL]], 8
// BE-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_ASHR]] to i32
// BE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// BE-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// BE-NEXT:    [[BF_LOAD1:%.*]] = load volatile i16, ptr [[M]], align 4
// BE-NEXT:    [[BF_VALUE:%.*]] = and i16 [[TMP0]], 255
// BE-NEXT:    [[BF_SHL2:%.*]] = shl i16 [[BF_VALUE]], 7
// BE-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD1]], -32641
// BE-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], [[BF_SHL2]]
// BE-NEXT:    store volatile i16 [[BF_SET]], ptr [[M]], align 4
// BE-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i16 [[BF_VALUE]], 8
// BE-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i16 [[BF_RESULT_SHL]], 8
// BE-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[BF_RESULT_ASHR]] to i32
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @increment_st10(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 4
// LENUMLOADS-NEXT:    [[BF_SHL:%.*]] = shl i16 [[BF_LOAD]], 7
// LENUMLOADS-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_SHL]], 8
// LENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_ASHR]] to i32
// LENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// LENUMLOADS-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// LENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i16, ptr [[M]], align 4
// LENUMLOADS-NEXT:    [[BF_VALUE:%.*]] = and i16 [[TMP0]], 255
// LENUMLOADS-NEXT:    [[BF_SHL2:%.*]] = shl i16 [[BF_VALUE]], 1
// LENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD1]], -511
// LENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], [[BF_SHL2]]
// LENUMLOADS-NEXT:    store volatile i16 [[BF_SET]], ptr [[M]], align 4
// LENUMLOADS-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i16 [[BF_VALUE]], 8
// LENUMLOADS-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i16 [[BF_RESULT_SHL]], 8
// LENUMLOADS-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[BF_RESULT_ASHR]] to i32
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @increment_st10(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[M:%.*]], align 4
// BENUMLOADS-NEXT:    [[BF_SHL:%.*]] = shl i16 [[BF_LOAD]], 1
// BENUMLOADS-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_SHL]], 8
// BENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_ASHR]] to i32
// BENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// BENUMLOADS-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// BENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i16, ptr [[M]], align 4
// BENUMLOADS-NEXT:    [[BF_VALUE:%.*]] = and i16 [[TMP0]], 255
// BENUMLOADS-NEXT:    [[BF_SHL2:%.*]] = shl i16 [[BF_VALUE]], 7
// BENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD1]], -32641
// BENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], [[BF_SHL2]]
// BENUMLOADS-NEXT:    store volatile i16 [[BF_SET]], ptr [[M]], align 4
// BENUMLOADS-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i16 [[BF_VALUE]], 8
// BENUMLOADS-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i16 [[BF_RESULT_SHL]], 8
// BENUMLOADS-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[BF_RESULT_ASHR]] to i32
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @increment_st10(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LEWIDTH-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 23
// LEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 24
// LEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// LEWIDTH-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[M]], align 4
// LEWIDTH-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 255
// LEWIDTH-NEXT:    [[BF_SHL2:%.*]] = shl i32 [[BF_VALUE]], 1
// LEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], -511
// LEWIDTH-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_SHL2]]
// LEWIDTH-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// LEWIDTH-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 24
// LEWIDTH-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 24
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @increment_st10(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BEWIDTH-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 1
// BEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 24
// BEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// BEWIDTH-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[M]], align 4
// BEWIDTH-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 255
// BEWIDTH-NEXT:    [[BF_SHL2:%.*]] = shl i32 [[BF_VALUE]], 23
// BEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], -2139095041
// BEWIDTH-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_SHL2]]
// BEWIDTH-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// BEWIDTH-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 24
// BEWIDTH-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 24
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @increment_st10(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LEWIDTHNUM-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 23
// LEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 24
// LEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// LEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[M]], align 4
// LEWIDTHNUM-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 255
// LEWIDTHNUM-NEXT:    [[BF_SHL2:%.*]] = shl i32 [[BF_VALUE]], 1
// LEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], -511
// LEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_SHL2]]
// LEWIDTHNUM-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// LEWIDTHNUM-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 24
// LEWIDTHNUM-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 24
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @increment_st10(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BEWIDTHNUM-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 1
// BEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 24
// BEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// BEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[M]], align 4
// BEWIDTHNUM-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 255
// BEWIDTHNUM-NEXT:    [[BF_SHL2:%.*]] = shl i32 [[BF_VALUE]], 23
// BEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], -2139095041
// BEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_SHL2]]
// BEWIDTHNUM-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// BEWIDTHNUM-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 24
// BEWIDTHNUM-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 24
// BEWIDTHNUM-NEXT:    ret void
//
void increment_st10(volatile struct st10 *m) {
  ++m->f;
}

struct st11{
  char e;
  int f : 16;
};

// LE-LABEL: @read_st11(
// LE-NEXT:  entry:
// LE-NEXT:    [[F:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 1
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[F]], align 1
// LE-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// LE-NEXT:    ret i32 [[BF_CAST]]
//
// BE-LABEL: @read_st11(
// BE-NEXT:  entry:
// BE-NEXT:    [[F:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 1
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[F]], align 1
// BE-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// BE-NEXT:    ret i32 [[BF_CAST]]
//
// LENUMLOADS-LABEL: @read_st11(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[F:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 1
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[F]], align 1
// LENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// LENUMLOADS-NEXT:    ret i32 [[BF_CAST]]
//
// BENUMLOADS-LABEL: @read_st11(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[F:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 1
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[F]], align 1
// BENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// BENUMLOADS-NEXT:    ret i32 [[BF_CAST]]
//
// LEWIDTH-LABEL: @read_st11(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[F:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 1
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[F]], align 1
// LEWIDTH-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// LEWIDTH-NEXT:    ret i32 [[BF_CAST]]
//
// BEWIDTH-LABEL: @read_st11(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[F:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 1
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[F]], align 1
// BEWIDTH-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// BEWIDTH-NEXT:    ret i32 [[BF_CAST]]
//
// LEWIDTHNUM-LABEL: @read_st11(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[F:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 1
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[F]], align 1
// LEWIDTHNUM-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// LEWIDTHNUM-NEXT:    ret i32 [[BF_CAST]]
//
// BEWIDTHNUM-LABEL: @read_st11(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[F:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 1
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[F]], align 1
// BEWIDTHNUM-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// BEWIDTHNUM-NEXT:    ret i32 [[BF_CAST]]
//
int read_st11(volatile struct st11 *m) {
  return m->f;
}

// LE-LABEL: @store_st11(
// LE-NEXT:  entry:
// LE-NEXT:    [[F:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 1
// LE-NEXT:    store volatile i16 1, ptr [[F]], align 1
// LE-NEXT:    ret void
//
// BE-LABEL: @store_st11(
// BE-NEXT:  entry:
// BE-NEXT:    [[F:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 1
// BE-NEXT:    store volatile i16 1, ptr [[F]], align 1
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @store_st11(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[F:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 1
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[F]], align 1
// LENUMLOADS-NEXT:    store volatile i16 1, ptr [[F]], align 1
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @store_st11(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[F:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 1
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[F]], align 1
// BENUMLOADS-NEXT:    store volatile i16 1, ptr [[F]], align 1
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @store_st11(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[F:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 1
// LEWIDTH-NEXT:    store volatile i16 1, ptr [[F]], align 1
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @store_st11(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[F:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 1
// BEWIDTH-NEXT:    store volatile i16 1, ptr [[F]], align 1
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @store_st11(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[F:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 1
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[F]], align 1
// LEWIDTHNUM-NEXT:    store volatile i16 1, ptr [[F]], align 1
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @store_st11(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[F:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 1
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[F]], align 1
// BEWIDTHNUM-NEXT:    store volatile i16 1, ptr [[F]], align 1
// BEWIDTHNUM-NEXT:    ret void
//
void store_st11(volatile struct st11 *m) {
  m->f = 1;
}

// LE-LABEL: @increment_st11(
// LE-NEXT:  entry:
// LE-NEXT:    [[F:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 1
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[F]], align 1
// LE-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// LE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// LE-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// LE-NEXT:    store volatile i16 [[TMP0]], ptr [[F]], align 1
// LE-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// LE-NEXT:    ret void
//
// BE-LABEL: @increment_st11(
// BE-NEXT:  entry:
// BE-NEXT:    [[F:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 1
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[F]], align 1
// BE-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// BE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// BE-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// BE-NEXT:    store volatile i16 [[TMP0]], ptr [[F]], align 1
// BE-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @increment_st11(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[F:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 1
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[F]], align 1
// LENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// LENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// LENUMLOADS-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// LENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i16, ptr [[F]], align 1
// LENUMLOADS-NEXT:    store volatile i16 [[TMP0]], ptr [[F]], align 1
// LENUMLOADS-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @increment_st11(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[F:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 1
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[F]], align 1
// BENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// BENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// BENUMLOADS-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// BENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i16, ptr [[F]], align 1
// BENUMLOADS-NEXT:    store volatile i16 [[TMP0]], ptr [[F]], align 1
// BENUMLOADS-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @increment_st11(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[F:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 1
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[F]], align 1
// LEWIDTH-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// LEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// LEWIDTH-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// LEWIDTH-NEXT:    store volatile i16 [[TMP0]], ptr [[F]], align 1
// LEWIDTH-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @increment_st11(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[F:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 1
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[F]], align 1
// BEWIDTH-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// BEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// BEWIDTH-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// BEWIDTH-NEXT:    store volatile i16 [[TMP0]], ptr [[F]], align 1
// BEWIDTH-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @increment_st11(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[F:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 1
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[F]], align 1
// LEWIDTHNUM-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// LEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// LEWIDTHNUM-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// LEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i16, ptr [[F]], align 1
// LEWIDTHNUM-NEXT:    store volatile i16 [[TMP0]], ptr [[F]], align 1
// LEWIDTHNUM-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @increment_st11(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[F:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 1
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[F]], align 1
// BEWIDTHNUM-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// BEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// BEWIDTHNUM-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// BEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i16, ptr [[F]], align 1
// BEWIDTHNUM-NEXT:    store volatile i16 [[TMP0]], ptr [[F]], align 1
// BEWIDTHNUM-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// BEWIDTHNUM-NEXT:    ret void
//
void increment_st11(volatile struct st11 *m) {
  ++m->f;
}

// LE-LABEL: @increment_e_st11(
// LE-NEXT:  entry:
// LE-NEXT:    [[E:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 0
// LE-NEXT:    [[TMP0:%.*]] = load volatile i8, ptr [[E]], align 4
// LE-NEXT:    [[INC:%.*]] = add i8 [[TMP0]], 1
// LE-NEXT:    store volatile i8 [[INC]], ptr [[E]], align 4
// LE-NEXT:    ret void
//
// BE-LABEL: @increment_e_st11(
// BE-NEXT:  entry:
// BE-NEXT:    [[E:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 0
// BE-NEXT:    [[TMP0:%.*]] = load volatile i8, ptr [[E]], align 4
// BE-NEXT:    [[INC:%.*]] = add i8 [[TMP0]], 1
// BE-NEXT:    store volatile i8 [[INC]], ptr [[E]], align 4
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @increment_e_st11(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[E:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 0
// LENUMLOADS-NEXT:    [[TMP0:%.*]] = load volatile i8, ptr [[E]], align 4
// LENUMLOADS-NEXT:    [[INC:%.*]] = add i8 [[TMP0]], 1
// LENUMLOADS-NEXT:    store volatile i8 [[INC]], ptr [[E]], align 4
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @increment_e_st11(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[E:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 0
// BENUMLOADS-NEXT:    [[TMP0:%.*]] = load volatile i8, ptr [[E]], align 4
// BENUMLOADS-NEXT:    [[INC:%.*]] = add i8 [[TMP0]], 1
// BENUMLOADS-NEXT:    store volatile i8 [[INC]], ptr [[E]], align 4
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @increment_e_st11(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[E:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 0
// LEWIDTH-NEXT:    [[TMP0:%.*]] = load volatile i8, ptr [[E]], align 4
// LEWIDTH-NEXT:    [[INC:%.*]] = add i8 [[TMP0]], 1
// LEWIDTH-NEXT:    store volatile i8 [[INC]], ptr [[E]], align 4
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @increment_e_st11(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[E:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 0
// BEWIDTH-NEXT:    [[TMP0:%.*]] = load volatile i8, ptr [[E]], align 4
// BEWIDTH-NEXT:    [[INC:%.*]] = add i8 [[TMP0]], 1
// BEWIDTH-NEXT:    store volatile i8 [[INC]], ptr [[E]], align 4
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @increment_e_st11(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[E:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 0
// LEWIDTHNUM-NEXT:    [[TMP0:%.*]] = load volatile i8, ptr [[E]], align 4
// LEWIDTHNUM-NEXT:    [[INC:%.*]] = add i8 [[TMP0]], 1
// LEWIDTHNUM-NEXT:    store volatile i8 [[INC]], ptr [[E]], align 4
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @increment_e_st11(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[E:%.*]] = getelementptr inbounds nuw [[STRUCT_ST11:%.*]], ptr [[M:%.*]], i32 0, i32 0
// BEWIDTHNUM-NEXT:    [[TMP0:%.*]] = load volatile i8, ptr [[E]], align 4
// BEWIDTHNUM-NEXT:    [[INC:%.*]] = add i8 [[TMP0]], 1
// BEWIDTHNUM-NEXT:    store volatile i8 [[INC]], ptr [[E]], align 4
// BEWIDTHNUM-NEXT:    ret void
//
void increment_e_st11(volatile struct st11 *m) {
  ++m->e;
}

struct st12{
  int e : 8;
  int f : 16;
};

// LE-LABEL: @read_st12(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LE-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 8
// LE-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 16
// LE-NEXT:    ret i32 [[BF_ASHR]]
//
// BE-LABEL: @read_st12(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BE-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 8
// BE-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 16
// BE-NEXT:    ret i32 [[BF_ASHR]]
//
// LENUMLOADS-LABEL: @read_st12(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LENUMLOADS-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 8
// LENUMLOADS-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 16
// LENUMLOADS-NEXT:    ret i32 [[BF_ASHR]]
//
// BENUMLOADS-LABEL: @read_st12(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BENUMLOADS-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 8
// BENUMLOADS-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 16
// BENUMLOADS-NEXT:    ret i32 [[BF_ASHR]]
//
// LEWIDTH-LABEL: @read_st12(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LEWIDTH-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 8
// LEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 16
// LEWIDTH-NEXT:    ret i32 [[BF_ASHR]]
//
// BEWIDTH-LABEL: @read_st12(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BEWIDTH-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 8
// BEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 16
// BEWIDTH-NEXT:    ret i32 [[BF_ASHR]]
//
// LEWIDTHNUM-LABEL: @read_st12(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LEWIDTHNUM-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 8
// LEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 16
// LEWIDTHNUM-NEXT:    ret i32 [[BF_ASHR]]
//
// BEWIDTHNUM-LABEL: @read_st12(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BEWIDTHNUM-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 8
// BEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 16
// BEWIDTHNUM-NEXT:    ret i32 [[BF_ASHR]]
//
int read_st12(volatile struct st12 *m) {
  return m->f;
}

// LE-LABEL: @store_st12(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LE-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], -16776961
// LE-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], 256
// LE-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// LE-NEXT:    ret void
//
// BE-LABEL: @store_st12(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BE-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], -16776961
// BE-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], 256
// BE-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @store_st12(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], -16776961
// LENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], 256
// LENUMLOADS-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @store_st12(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], -16776961
// BENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], 256
// BENUMLOADS-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @store_st12(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], -16776961
// LEWIDTH-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], 256
// LEWIDTH-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @store_st12(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], -16776961
// BEWIDTH-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], 256
// BEWIDTH-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @store_st12(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], -16776961
// LEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], 256
// LEWIDTHNUM-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @store_st12(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD]], -16776961
// BEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], 256
// BEWIDTHNUM-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// BEWIDTHNUM-NEXT:    ret void
//
void store_st12(volatile struct st12 *m) {
  m->f = 1;
}

// LE-LABEL: @increment_st12(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LE-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 8
// LE-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 16
// LE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// LE-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[M]], align 4
// LE-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 65535
// LE-NEXT:    [[BF_SHL2:%.*]] = shl i32 [[BF_VALUE]], 8
// LE-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], -16776961
// LE-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_SHL2]]
// LE-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// LE-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 16
// LE-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 16
// LE-NEXT:    ret void
//
// BE-LABEL: @increment_st12(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BE-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 8
// BE-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 16
// BE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// BE-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[M]], align 4
// BE-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 65535
// BE-NEXT:    [[BF_SHL2:%.*]] = shl i32 [[BF_VALUE]], 8
// BE-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], -16776961
// BE-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_SHL2]]
// BE-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// BE-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 16
// BE-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 16
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @increment_st12(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LENUMLOADS-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 8
// LENUMLOADS-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 16
// LENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// LENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[M]], align 4
// LENUMLOADS-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 65535
// LENUMLOADS-NEXT:    [[BF_SHL2:%.*]] = shl i32 [[BF_VALUE]], 8
// LENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], -16776961
// LENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_SHL2]]
// LENUMLOADS-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// LENUMLOADS-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 16
// LENUMLOADS-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 16
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @increment_st12(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BENUMLOADS-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 8
// BENUMLOADS-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 16
// BENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// BENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[M]], align 4
// BENUMLOADS-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 65535
// BENUMLOADS-NEXT:    [[BF_SHL2:%.*]] = shl i32 [[BF_VALUE]], 8
// BENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], -16776961
// BENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_SHL2]]
// BENUMLOADS-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// BENUMLOADS-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 16
// BENUMLOADS-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 16
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @increment_st12(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LEWIDTH-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 8
// LEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 16
// LEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// LEWIDTH-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[M]], align 4
// LEWIDTH-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 65535
// LEWIDTH-NEXT:    [[BF_SHL2:%.*]] = shl i32 [[BF_VALUE]], 8
// LEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], -16776961
// LEWIDTH-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_SHL2]]
// LEWIDTH-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// LEWIDTH-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 16
// LEWIDTH-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 16
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @increment_st12(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BEWIDTH-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 8
// BEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 16
// BEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// BEWIDTH-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[M]], align 4
// BEWIDTH-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 65535
// BEWIDTH-NEXT:    [[BF_SHL2:%.*]] = shl i32 [[BF_VALUE]], 8
// BEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], -16776961
// BEWIDTH-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_SHL2]]
// BEWIDTH-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// BEWIDTH-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 16
// BEWIDTH-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 16
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @increment_st12(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LEWIDTHNUM-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 8
// LEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 16
// LEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// LEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[M]], align 4
// LEWIDTHNUM-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 65535
// LEWIDTHNUM-NEXT:    [[BF_SHL2:%.*]] = shl i32 [[BF_VALUE]], 8
// LEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], -16776961
// LEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_SHL2]]
// LEWIDTHNUM-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// LEWIDTHNUM-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 16
// LEWIDTHNUM-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 16
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @increment_st12(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BEWIDTHNUM-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 8
// BEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 16
// BEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// BEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[M]], align 4
// BEWIDTHNUM-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 65535
// BEWIDTHNUM-NEXT:    [[BF_SHL2:%.*]] = shl i32 [[BF_VALUE]], 8
// BEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], -16776961
// BEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_SHL2]]
// BEWIDTHNUM-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// BEWIDTHNUM-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 16
// BEWIDTHNUM-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 16
// BEWIDTHNUM-NEXT:    ret void
//
void increment_st12(volatile struct st12 *m) {
  ++m->f;
}

// LE-LABEL: @increment_e_st12(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LE-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 24
// LE-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 24
// LE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// LE-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[M]], align 4
// LE-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 255
// LE-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], -256
// LE-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_VALUE]]
// LE-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// LE-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 24
// LE-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 24
// LE-NEXT:    ret void
//
// BE-LABEL: @increment_e_st12(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BE-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_LOAD]], 24
// BE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// BE-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[M]], align 4
// BE-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 255
// BE-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_VALUE]], 24
// BE-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], 16777215
// BE-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_SHL]]
// BE-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// BE-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 24
// BE-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 24
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @increment_e_st12(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LENUMLOADS-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 24
// LENUMLOADS-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 24
// LENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// LENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[M]], align 4
// LENUMLOADS-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 255
// LENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], -256
// LENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_VALUE]]
// LENUMLOADS-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// LENUMLOADS-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 24
// LENUMLOADS-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 24
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @increment_e_st12(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BENUMLOADS-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_LOAD]], 24
// BENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// BENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[M]], align 4
// BENUMLOADS-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 255
// BENUMLOADS-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_VALUE]], 24
// BENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], 16777215
// BENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_SHL]]
// BENUMLOADS-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// BENUMLOADS-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 24
// BENUMLOADS-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 24
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @increment_e_st12(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LEWIDTH-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 24
// LEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 24
// LEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// LEWIDTH-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[M]], align 4
// LEWIDTH-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 255
// LEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], -256
// LEWIDTH-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_VALUE]]
// LEWIDTH-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// LEWIDTH-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 24
// LEWIDTH-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 24
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @increment_e_st12(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_LOAD]], 24
// BEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// BEWIDTH-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[M]], align 4
// BEWIDTH-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 255
// BEWIDTH-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_VALUE]], 24
// BEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], 16777215
// BEWIDTH-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_SHL]]
// BEWIDTH-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// BEWIDTH-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 24
// BEWIDTH-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 24
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @increment_e_st12(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// LEWIDTHNUM-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 24
// LEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 24
// LEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// LEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[M]], align 4
// LEWIDTHNUM-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 255
// LEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], -256
// LEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_VALUE]]
// LEWIDTHNUM-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// LEWIDTHNUM-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 24
// LEWIDTHNUM-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 24
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @increment_e_st12(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[M:%.*]], align 4
// BEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_LOAD]], 24
// BEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// BEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[M]], align 4
// BEWIDTHNUM-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 255
// BEWIDTHNUM-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_VALUE]], 24
// BEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], 16777215
// BEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_SHL]]
// BEWIDTHNUM-NEXT:    store volatile i32 [[BF_SET]], ptr [[M]], align 4
// BEWIDTHNUM-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 24
// BEWIDTHNUM-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 24
// BEWIDTHNUM-NEXT:    ret void
//
void increment_e_st12(volatile struct st12 *m) {
  ++m->e;
}

struct st13 {
  char a : 8;
  int b : 32;
} __attribute__((packed));

// LE-LABEL: @increment_b_st13(
// LE-NEXT:  entry:
// LE-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST13:%.*]], ptr [[S:%.*]], i32 0, i32 1
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[B]], align 1
// LE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// LE-NEXT:    store volatile i32 [[INC]], ptr [[B]], align 1
// LE-NEXT:    ret void
//
// BE-LABEL: @increment_b_st13(
// BE-NEXT:  entry:
// BE-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST13:%.*]], ptr [[S:%.*]], i32 0, i32 1
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[B]], align 1
// BE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// BE-NEXT:    store volatile i32 [[INC]], ptr [[B]], align 1
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @increment_b_st13(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST13:%.*]], ptr [[S:%.*]], i32 0, i32 1
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[B]], align 1
// LENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// LENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[B]], align 1
// LENUMLOADS-NEXT:    store volatile i32 [[INC]], ptr [[B]], align 1
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @increment_b_st13(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST13:%.*]], ptr [[S:%.*]], i32 0, i32 1
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[B]], align 1
// BENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// BENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[B]], align 1
// BENUMLOADS-NEXT:    store volatile i32 [[INC]], ptr [[B]], align 1
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @increment_b_st13(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST13:%.*]], ptr [[S:%.*]], i32 0, i32 1
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[B]], align 1
// LEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// LEWIDTH-NEXT:    store volatile i32 [[INC]], ptr [[B]], align 1
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @increment_b_st13(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST13:%.*]], ptr [[S:%.*]], i32 0, i32 1
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[B]], align 1
// BEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// BEWIDTH-NEXT:    store volatile i32 [[INC]], ptr [[B]], align 1
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @increment_b_st13(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST13:%.*]], ptr [[S:%.*]], i32 0, i32 1
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[B]], align 1
// LEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// LEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[B]], align 1
// LEWIDTHNUM-NEXT:    store volatile i32 [[INC]], ptr [[B]], align 1
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @increment_b_st13(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST13:%.*]], ptr [[S:%.*]], i32 0, i32 1
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[B]], align 1
// BEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// BEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[B]], align 1
// BEWIDTHNUM-NEXT:    store volatile i32 [[INC]], ptr [[B]], align 1
// BEWIDTHNUM-NEXT:    ret void
//
void increment_b_st13(volatile struct st13 *s) {
  s->b++;
}

struct st14 {
  char a : 8;
} __attribute__((packed));

// LE-LABEL: @increment_a_st14(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[S:%.*]], align 1
// LE-NEXT:    [[INC:%.*]] = add i8 [[BF_LOAD]], 1
// LE-NEXT:    store volatile i8 [[INC]], ptr [[S]], align 1
// LE-NEXT:    ret void
//
// BE-LABEL: @increment_a_st14(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[S:%.*]], align 1
// BE-NEXT:    [[INC:%.*]] = add i8 [[BF_LOAD]], 1
// BE-NEXT:    store volatile i8 [[INC]], ptr [[S]], align 1
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @increment_a_st14(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[S:%.*]], align 1
// LENUMLOADS-NEXT:    [[INC:%.*]] = add i8 [[BF_LOAD]], 1
// LENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[S]], align 1
// LENUMLOADS-NEXT:    store volatile i8 [[INC]], ptr [[S]], align 1
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @increment_a_st14(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[S:%.*]], align 1
// BENUMLOADS-NEXT:    [[INC:%.*]] = add i8 [[BF_LOAD]], 1
// BENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[S]], align 1
// BENUMLOADS-NEXT:    store volatile i8 [[INC]], ptr [[S]], align 1
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @increment_a_st14(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[S:%.*]], align 1
// LEWIDTH-NEXT:    [[INC:%.*]] = add i8 [[BF_LOAD]], 1
// LEWIDTH-NEXT:    store volatile i8 [[INC]], ptr [[S]], align 1
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @increment_a_st14(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[S:%.*]], align 1
// BEWIDTH-NEXT:    [[INC:%.*]] = add i8 [[BF_LOAD]], 1
// BEWIDTH-NEXT:    store volatile i8 [[INC]], ptr [[S]], align 1
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @increment_a_st14(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[S:%.*]], align 1
// LEWIDTHNUM-NEXT:    [[INC:%.*]] = add i8 [[BF_LOAD]], 1
// LEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[S]], align 1
// LEWIDTHNUM-NEXT:    store volatile i8 [[INC]], ptr [[S]], align 1
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @increment_a_st14(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[S:%.*]], align 1
// BEWIDTHNUM-NEXT:    [[INC:%.*]] = add i8 [[BF_LOAD]], 1
// BEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[S]], align 1
// BEWIDTHNUM-NEXT:    store volatile i8 [[INC]], ptr [[S]], align 1
// BEWIDTHNUM-NEXT:    ret void
//
void increment_a_st14(volatile struct st14 *s) {
  s->a++;
}

struct st15 {
  short a : 8;
} __attribute__((packed));

// LE-LABEL: @increment_a_st15(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[S:%.*]], align 1
// LE-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i16
// LE-NEXT:    [[INC:%.*]] = add i16 [[BF_CAST]], 1
// LE-NEXT:    [[TMP0:%.*]] = trunc i16 [[INC]] to i8
// LE-NEXT:    store volatile i8 [[TMP0]], ptr [[S]], align 1
// LE-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i8 [[TMP0]] to i16
// LE-NEXT:    ret void
//
// BE-LABEL: @increment_a_st15(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[S:%.*]], align 1
// BE-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i16
// BE-NEXT:    [[INC:%.*]] = add i16 [[BF_CAST]], 1
// BE-NEXT:    [[TMP0:%.*]] = trunc i16 [[INC]] to i8
// BE-NEXT:    store volatile i8 [[TMP0]], ptr [[S]], align 1
// BE-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i8 [[TMP0]] to i16
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @increment_a_st15(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[S:%.*]], align 1
// LENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i16
// LENUMLOADS-NEXT:    [[INC:%.*]] = add i16 [[BF_CAST]], 1
// LENUMLOADS-NEXT:    [[TMP0:%.*]] = trunc i16 [[INC]] to i8
// LENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[S]], align 1
// LENUMLOADS-NEXT:    store volatile i8 [[TMP0]], ptr [[S]], align 1
// LENUMLOADS-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i8 [[TMP0]] to i16
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @increment_a_st15(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[S:%.*]], align 1
// BENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i16
// BENUMLOADS-NEXT:    [[INC:%.*]] = add i16 [[BF_CAST]], 1
// BENUMLOADS-NEXT:    [[TMP0:%.*]] = trunc i16 [[INC]] to i8
// BENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[S]], align 1
// BENUMLOADS-NEXT:    store volatile i8 [[TMP0]], ptr [[S]], align 1
// BENUMLOADS-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i8 [[TMP0]] to i16
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @increment_a_st15(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[S:%.*]], align 1
// LEWIDTH-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i16
// LEWIDTH-NEXT:    [[INC:%.*]] = add i16 [[BF_CAST]], 1
// LEWIDTH-NEXT:    [[TMP0:%.*]] = trunc i16 [[INC]] to i8
// LEWIDTH-NEXT:    store volatile i8 [[TMP0]], ptr [[S]], align 1
// LEWIDTH-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i8 [[TMP0]] to i16
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @increment_a_st15(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[S:%.*]], align 1
// BEWIDTH-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i16
// BEWIDTH-NEXT:    [[INC:%.*]] = add i16 [[BF_CAST]], 1
// BEWIDTH-NEXT:    [[TMP0:%.*]] = trunc i16 [[INC]] to i8
// BEWIDTH-NEXT:    store volatile i8 [[TMP0]], ptr [[S]], align 1
// BEWIDTH-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i8 [[TMP0]] to i16
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @increment_a_st15(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[S:%.*]], align 1
// LEWIDTHNUM-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i16
// LEWIDTHNUM-NEXT:    [[INC:%.*]] = add i16 [[BF_CAST]], 1
// LEWIDTHNUM-NEXT:    [[TMP0:%.*]] = trunc i16 [[INC]] to i8
// LEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[S]], align 1
// LEWIDTHNUM-NEXT:    store volatile i8 [[TMP0]], ptr [[S]], align 1
// LEWIDTHNUM-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i8 [[TMP0]] to i16
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @increment_a_st15(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[S:%.*]], align 1
// BEWIDTHNUM-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i16
// BEWIDTHNUM-NEXT:    [[INC:%.*]] = add i16 [[BF_CAST]], 1
// BEWIDTHNUM-NEXT:    [[TMP0:%.*]] = trunc i16 [[INC]] to i8
// BEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[S]], align 1
// BEWIDTHNUM-NEXT:    store volatile i8 [[TMP0]], ptr [[S]], align 1
// BEWIDTHNUM-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i8 [[TMP0]] to i16
// BEWIDTHNUM-NEXT:    ret void
//
void increment_a_st15(volatile struct st15 *s) {
  s->a++;
}

struct st16 {
  int a : 32;
  int b : 16;
  int c : 32;
  int d : 16;
};

// LE-LABEL: @increment_a_st16(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[S:%.*]], align 4
// LE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// LE-NEXT:    store i32 [[INC]], ptr [[S]], align 4
// LE-NEXT:    ret void
//
// BE-LABEL: @increment_a_st16(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[S:%.*]], align 4
// BE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// BE-NEXT:    store i32 [[INC]], ptr [[S]], align 4
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @increment_a_st16(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[S:%.*]], align 4
// LENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// LENUMLOADS-NEXT:    store i32 [[INC]], ptr [[S]], align 4
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @increment_a_st16(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[S:%.*]], align 4
// BENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// BENUMLOADS-NEXT:    store i32 [[INC]], ptr [[S]], align 4
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @increment_a_st16(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[S:%.*]], align 4
// LEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// LEWIDTH-NEXT:    store i32 [[INC]], ptr [[S]], align 4
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @increment_a_st16(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[S:%.*]], align 4
// BEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// BEWIDTH-NEXT:    store i32 [[INC]], ptr [[S]], align 4
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @increment_a_st16(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[S:%.*]], align 4
// LEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// LEWIDTHNUM-NEXT:    store i32 [[INC]], ptr [[S]], align 4
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @increment_a_st16(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[S:%.*]], align 4
// BEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// BEWIDTHNUM-NEXT:    store i32 [[INC]], ptr [[S]], align 4
// BEWIDTHNUM-NEXT:    ret void
//
void increment_a_st16(struct st16 *s) {
  s->a++;
}

// LE-LABEL: @increment_b_st16(
// LE-NEXT:  entry:
// LE-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 1
// LE-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[B]], align 4
// LE-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// LE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// LE-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// LE-NEXT:    store i16 [[TMP0]], ptr [[B]], align 4
// LE-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// LE-NEXT:    ret void
//
// BE-LABEL: @increment_b_st16(
// BE-NEXT:  entry:
// BE-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 1
// BE-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[B]], align 4
// BE-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// BE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// BE-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// BE-NEXT:    store i16 [[TMP0]], ptr [[B]], align 4
// BE-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @increment_b_st16(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 1
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[B]], align 4
// LENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// LENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// LENUMLOADS-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// LENUMLOADS-NEXT:    store i16 [[TMP0]], ptr [[B]], align 4
// LENUMLOADS-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @increment_b_st16(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 1
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[B]], align 4
// BENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// BENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// BENUMLOADS-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// BENUMLOADS-NEXT:    store i16 [[TMP0]], ptr [[B]], align 4
// BENUMLOADS-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @increment_b_st16(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 1
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[B]], align 4
// LEWIDTH-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// LEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// LEWIDTH-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// LEWIDTH-NEXT:    store i16 [[TMP0]], ptr [[B]], align 4
// LEWIDTH-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @increment_b_st16(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 1
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[B]], align 4
// BEWIDTH-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// BEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// BEWIDTH-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// BEWIDTH-NEXT:    store i16 [[TMP0]], ptr [[B]], align 4
// BEWIDTH-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @increment_b_st16(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 1
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[B]], align 4
// LEWIDTHNUM-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// LEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// LEWIDTHNUM-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// LEWIDTHNUM-NEXT:    store i16 [[TMP0]], ptr [[B]], align 4
// LEWIDTHNUM-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @increment_b_st16(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 1
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[B]], align 4
// BEWIDTHNUM-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// BEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// BEWIDTHNUM-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// BEWIDTHNUM-NEXT:    store i16 [[TMP0]], ptr [[B]], align 4
// BEWIDTHNUM-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// BEWIDTHNUM-NEXT:    ret void
//
void increment_b_st16(struct st16 *s) {
  s->b++;
}

// LE-LABEL: @increment_c_st16(
// LE-NEXT:  entry:
// LE-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 2
// LE-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[C]], align 4
// LE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// LE-NEXT:    store i32 [[INC]], ptr [[C]], align 4
// LE-NEXT:    ret void
//
// BE-LABEL: @increment_c_st16(
// BE-NEXT:  entry:
// BE-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 2
// BE-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[C]], align 4
// BE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// BE-NEXT:    store i32 [[INC]], ptr [[C]], align 4
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @increment_c_st16(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 2
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[C]], align 4
// LENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// LENUMLOADS-NEXT:    store i32 [[INC]], ptr [[C]], align 4
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @increment_c_st16(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 2
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[C]], align 4
// BENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// BENUMLOADS-NEXT:    store i32 [[INC]], ptr [[C]], align 4
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @increment_c_st16(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 2
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[C]], align 4
// LEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// LEWIDTH-NEXT:    store i32 [[INC]], ptr [[C]], align 4
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @increment_c_st16(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 2
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[C]], align 4
// BEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// BEWIDTH-NEXT:    store i32 [[INC]], ptr [[C]], align 4
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @increment_c_st16(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 2
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[C]], align 4
// LEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// LEWIDTHNUM-NEXT:    store i32 [[INC]], ptr [[C]], align 4
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @increment_c_st16(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 2
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load i32, ptr [[C]], align 4
// BEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// BEWIDTHNUM-NEXT:    store i32 [[INC]], ptr [[C]], align 4
// BEWIDTHNUM-NEXT:    ret void
//
void increment_c_st16(struct st16 *s) {
  s->c++;
}

// LE-LABEL: @increment_d_st16(
// LE-NEXT:  entry:
// LE-NEXT:    [[D:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 3
// LE-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[D]], align 4
// LE-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// LE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// LE-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// LE-NEXT:    store i16 [[TMP0]], ptr [[D]], align 4
// LE-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// LE-NEXT:    ret void
//
// BE-LABEL: @increment_d_st16(
// BE-NEXT:  entry:
// BE-NEXT:    [[D:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 3
// BE-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[D]], align 4
// BE-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// BE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// BE-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// BE-NEXT:    store i16 [[TMP0]], ptr [[D]], align 4
// BE-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @increment_d_st16(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[D:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 3
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[D]], align 4
// LENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// LENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// LENUMLOADS-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// LENUMLOADS-NEXT:    store i16 [[TMP0]], ptr [[D]], align 4
// LENUMLOADS-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @increment_d_st16(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[D:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 3
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[D]], align 4
// BENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// BENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// BENUMLOADS-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// BENUMLOADS-NEXT:    store i16 [[TMP0]], ptr [[D]], align 4
// BENUMLOADS-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @increment_d_st16(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[D:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 3
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[D]], align 4
// LEWIDTH-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// LEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// LEWIDTH-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// LEWIDTH-NEXT:    store i16 [[TMP0]], ptr [[D]], align 4
// LEWIDTH-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @increment_d_st16(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[D:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 3
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[D]], align 4
// BEWIDTH-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// BEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// BEWIDTH-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// BEWIDTH-NEXT:    store i16 [[TMP0]], ptr [[D]], align 4
// BEWIDTH-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @increment_d_st16(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[D:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 3
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[D]], align 4
// LEWIDTHNUM-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// LEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// LEWIDTHNUM-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// LEWIDTHNUM-NEXT:    store i16 [[TMP0]], ptr [[D]], align 4
// LEWIDTHNUM-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @increment_d_st16(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[D:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 3
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load i16, ptr [[D]], align 4
// BEWIDTHNUM-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// BEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// BEWIDTHNUM-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// BEWIDTHNUM-NEXT:    store i16 [[TMP0]], ptr [[D]], align 4
// BEWIDTHNUM-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// BEWIDTHNUM-NEXT:    ret void
//
void increment_d_st16(struct st16 *s) {
  s->d++;
}

// LE-LABEL: @increment_v_a_st16(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[S:%.*]], align 4
// LE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// LE-NEXT:    store volatile i32 [[INC]], ptr [[S]], align 4
// LE-NEXT:    ret void
//
// BE-LABEL: @increment_v_a_st16(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[S:%.*]], align 4
// BE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// BE-NEXT:    store volatile i32 [[INC]], ptr [[S]], align 4
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @increment_v_a_st16(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[S:%.*]], align 4
// LENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// LENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[S]], align 4
// LENUMLOADS-NEXT:    store volatile i32 [[INC]], ptr [[S]], align 4
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @increment_v_a_st16(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[S:%.*]], align 4
// BENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// BENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[S]], align 4
// BENUMLOADS-NEXT:    store volatile i32 [[INC]], ptr [[S]], align 4
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @increment_v_a_st16(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[S:%.*]], align 4
// LEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// LEWIDTH-NEXT:    store volatile i32 [[INC]], ptr [[S]], align 4
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @increment_v_a_st16(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[S:%.*]], align 4
// BEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// BEWIDTH-NEXT:    store volatile i32 [[INC]], ptr [[S]], align 4
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @increment_v_a_st16(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[S:%.*]], align 4
// LEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// LEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[S]], align 4
// LEWIDTHNUM-NEXT:    store volatile i32 [[INC]], ptr [[S]], align 4
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @increment_v_a_st16(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[S:%.*]], align 4
// BEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// BEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[S]], align 4
// BEWIDTHNUM-NEXT:    store volatile i32 [[INC]], ptr [[S]], align 4
// BEWIDTHNUM-NEXT:    ret void
//
void increment_v_a_st16(volatile struct st16 *s) {
  s->a++;
}

// LE-LABEL: @increment_v_b_st16(
// LE-NEXT:  entry:
// LE-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 1
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[B]], align 4
// LE-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// LE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// LE-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// LE-NEXT:    store volatile i16 [[TMP0]], ptr [[B]], align 4
// LE-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// LE-NEXT:    ret void
//
// BE-LABEL: @increment_v_b_st16(
// BE-NEXT:  entry:
// BE-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 1
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[B]], align 4
// BE-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// BE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// BE-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// BE-NEXT:    store volatile i16 [[TMP0]], ptr [[B]], align 4
// BE-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @increment_v_b_st16(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 1
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[B]], align 4
// LENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// LENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// LENUMLOADS-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// LENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i16, ptr [[B]], align 4
// LENUMLOADS-NEXT:    store volatile i16 [[TMP0]], ptr [[B]], align 4
// LENUMLOADS-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @increment_v_b_st16(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 1
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[B]], align 4
// BENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// BENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// BENUMLOADS-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// BENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i16, ptr [[B]], align 4
// BENUMLOADS-NEXT:    store volatile i16 [[TMP0]], ptr [[B]], align 4
// BENUMLOADS-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @increment_v_b_st16(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i32, ptr [[S:%.*]], i32 1
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[TMP0]], align 4
// LEWIDTH-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 16
// LEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 16
// LEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// LEWIDTH-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[TMP0]], align 4
// LEWIDTH-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 65535
// LEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], -65536
// LEWIDTH-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_VALUE]]
// LEWIDTH-NEXT:    store volatile i32 [[BF_SET]], ptr [[TMP0]], align 4
// LEWIDTH-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 16
// LEWIDTH-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 16
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @increment_v_b_st16(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i32, ptr [[S:%.*]], i32 1
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[TMP0]], align 4
// BEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_LOAD]], 16
// BEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// BEWIDTH-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[TMP0]], align 4
// BEWIDTH-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 65535
// BEWIDTH-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_VALUE]], 16
// BEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], 65535
// BEWIDTH-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_SHL]]
// BEWIDTH-NEXT:    store volatile i32 [[BF_SET]], ptr [[TMP0]], align 4
// BEWIDTH-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 16
// BEWIDTH-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 16
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @increment_v_b_st16(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i32, ptr [[S:%.*]], i32 1
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[TMP0]], align 4
// LEWIDTHNUM-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 16
// LEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 16
// LEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// LEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[TMP0]], align 4
// LEWIDTHNUM-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 65535
// LEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], -65536
// LEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_VALUE]]
// LEWIDTHNUM-NEXT:    store volatile i32 [[BF_SET]], ptr [[TMP0]], align 4
// LEWIDTHNUM-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 16
// LEWIDTHNUM-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 16
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @increment_v_b_st16(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i32, ptr [[S:%.*]], i32 1
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[TMP0]], align 4
// BEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_LOAD]], 16
// BEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// BEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[TMP0]], align 4
// BEWIDTHNUM-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 65535
// BEWIDTHNUM-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_VALUE]], 16
// BEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], 65535
// BEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_SHL]]
// BEWIDTHNUM-NEXT:    store volatile i32 [[BF_SET]], ptr [[TMP0]], align 4
// BEWIDTHNUM-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 16
// BEWIDTHNUM-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 16
// BEWIDTHNUM-NEXT:    ret void
//
void increment_v_b_st16(volatile struct st16 *s) {
  s->b++;
}

// LE-LABEL: @increment_v_c_st16(
// LE-NEXT:  entry:
// LE-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 2
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[C]], align 4
// LE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// LE-NEXT:    store volatile i32 [[INC]], ptr [[C]], align 4
// LE-NEXT:    ret void
//
// BE-LABEL: @increment_v_c_st16(
// BE-NEXT:  entry:
// BE-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 2
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[C]], align 4
// BE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// BE-NEXT:    store volatile i32 [[INC]], ptr [[C]], align 4
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @increment_v_c_st16(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 2
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[C]], align 4
// LENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// LENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[C]], align 4
// LENUMLOADS-NEXT:    store volatile i32 [[INC]], ptr [[C]], align 4
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @increment_v_c_st16(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 2
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[C]], align 4
// BENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// BENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[C]], align 4
// BENUMLOADS-NEXT:    store volatile i32 [[INC]], ptr [[C]], align 4
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @increment_v_c_st16(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 2
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[C]], align 4
// LEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// LEWIDTH-NEXT:    store volatile i32 [[INC]], ptr [[C]], align 4
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @increment_v_c_st16(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 2
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[C]], align 4
// BEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// BEWIDTH-NEXT:    store volatile i32 [[INC]], ptr [[C]], align 4
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @increment_v_c_st16(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 2
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[C]], align 4
// LEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// LEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[C]], align 4
// LEWIDTHNUM-NEXT:    store volatile i32 [[INC]], ptr [[C]], align 4
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @increment_v_c_st16(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 2
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[C]], align 4
// BEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// BEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[C]], align 4
// BEWIDTHNUM-NEXT:    store volatile i32 [[INC]], ptr [[C]], align 4
// BEWIDTHNUM-NEXT:    ret void
//
void increment_v_c_st16(volatile struct st16 *s) {
  s->c++;
}

// LE-LABEL: @increment_v_d_st16(
// LE-NEXT:  entry:
// LE-NEXT:    [[D:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 3
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[D]], align 4
// LE-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// LE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// LE-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// LE-NEXT:    store volatile i16 [[TMP0]], ptr [[D]], align 4
// LE-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// LE-NEXT:    ret void
//
// BE-LABEL: @increment_v_d_st16(
// BE-NEXT:  entry:
// BE-NEXT:    [[D:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 3
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[D]], align 4
// BE-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// BE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// BE-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// BE-NEXT:    store volatile i16 [[TMP0]], ptr [[D]], align 4
// BE-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @increment_v_d_st16(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[D:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 3
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[D]], align 4
// LENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// LENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// LENUMLOADS-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// LENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i16, ptr [[D]], align 4
// LENUMLOADS-NEXT:    store volatile i16 [[TMP0]], ptr [[D]], align 4
// LENUMLOADS-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @increment_v_d_st16(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[D:%.*]] = getelementptr inbounds nuw [[STRUCT_ST16:%.*]], ptr [[S:%.*]], i32 0, i32 3
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[D]], align 4
// BENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i16 [[BF_LOAD]] to i32
// BENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// BENUMLOADS-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i16
// BENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i16, ptr [[D]], align 4
// BENUMLOADS-NEXT:    store volatile i16 [[TMP0]], ptr [[D]], align 4
// BENUMLOADS-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i16 [[TMP0]] to i32
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @increment_v_d_st16(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i32, ptr [[S:%.*]], i32 3
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[TMP0]], align 4
// LEWIDTH-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 16
// LEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 16
// LEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// LEWIDTH-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[TMP0]], align 4
// LEWIDTH-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 65535
// LEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], -65536
// LEWIDTH-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_VALUE]]
// LEWIDTH-NEXT:    store volatile i32 [[BF_SET]], ptr [[TMP0]], align 4
// LEWIDTH-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 16
// LEWIDTH-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 16
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @increment_v_d_st16(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i32, ptr [[S:%.*]], i32 3
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[TMP0]], align 4
// BEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_LOAD]], 16
// BEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// BEWIDTH-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[TMP0]], align 4
// BEWIDTH-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 65535
// BEWIDTH-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_VALUE]], 16
// BEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], 65535
// BEWIDTH-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_SHL]]
// BEWIDTH-NEXT:    store volatile i32 [[BF_SET]], ptr [[TMP0]], align 4
// BEWIDTH-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 16
// BEWIDTH-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 16
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @increment_v_d_st16(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i32, ptr [[S:%.*]], i32 3
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[TMP0]], align 4
// LEWIDTHNUM-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 16
// LEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 16
// LEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// LEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[TMP0]], align 4
// LEWIDTHNUM-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 65535
// LEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], -65536
// LEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_VALUE]]
// LEWIDTHNUM-NEXT:    store volatile i32 [[BF_SET]], ptr [[TMP0]], align 4
// LEWIDTHNUM-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 16
// LEWIDTHNUM-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 16
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @increment_v_d_st16(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i32, ptr [[S:%.*]], i32 3
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[TMP0]], align 4
// BEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_LOAD]], 16
// BEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// BEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[TMP0]], align 4
// BEWIDTHNUM-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 65535
// BEWIDTHNUM-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_VALUE]], 16
// BEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], 65535
// BEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_SHL]]
// BEWIDTHNUM-NEXT:    store volatile i32 [[BF_SET]], ptr [[TMP0]], align 4
// BEWIDTHNUM-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 16
// BEWIDTHNUM-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 16
// BEWIDTHNUM-NEXT:    ret void
//
void increment_v_d_st16(volatile struct st16 *s) {
  s->d++;
}
// st17 has alignment = 1, the AAPCS defines nothing for the
// accessing of b, but accessing c should use char
struct st17 {
int b : 32;
char c : 8;
} __attribute__((packed));

// LE-LABEL: @increment_v_b_st17(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[S:%.*]], align 1
// LE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// LE-NEXT:    store volatile i32 [[INC]], ptr [[S]], align 1
// LE-NEXT:    ret void
//
// BE-LABEL: @increment_v_b_st17(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[S:%.*]], align 1
// BE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// BE-NEXT:    store volatile i32 [[INC]], ptr [[S]], align 1
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @increment_v_b_st17(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[S:%.*]], align 1
// LENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// LENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[S]], align 1
// LENUMLOADS-NEXT:    store volatile i32 [[INC]], ptr [[S]], align 1
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @increment_v_b_st17(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[S:%.*]], align 1
// BENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// BENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[S]], align 1
// BENUMLOADS-NEXT:    store volatile i32 [[INC]], ptr [[S]], align 1
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @increment_v_b_st17(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[S:%.*]], align 1
// LEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// LEWIDTH-NEXT:    store volatile i32 [[INC]], ptr [[S]], align 1
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @increment_v_b_st17(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[S:%.*]], align 1
// BEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// BEWIDTH-NEXT:    store volatile i32 [[INC]], ptr [[S]], align 1
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @increment_v_b_st17(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[S:%.*]], align 1
// LEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// LEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[S]], align 1
// LEWIDTHNUM-NEXT:    store volatile i32 [[INC]], ptr [[S]], align 1
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @increment_v_b_st17(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[S:%.*]], align 1
// BEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_LOAD]], 1
// BEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[S]], align 1
// BEWIDTHNUM-NEXT:    store volatile i32 [[INC]], ptr [[S]], align 1
// BEWIDTHNUM-NEXT:    ret void
//
void increment_v_b_st17(volatile struct st17 *s) {
  s->b++;
}

// LE-LABEL: @increment_v_c_st17(
// LE-NEXT:  entry:
// LE-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST17:%.*]], ptr [[S:%.*]], i32 0, i32 1
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[C]], align 1
// LE-NEXT:    [[INC:%.*]] = add i8 [[BF_LOAD]], 1
// LE-NEXT:    store volatile i8 [[INC]], ptr [[C]], align 1
// LE-NEXT:    ret void
//
// BE-LABEL: @increment_v_c_st17(
// BE-NEXT:  entry:
// BE-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST17:%.*]], ptr [[S:%.*]], i32 0, i32 1
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[C]], align 1
// BE-NEXT:    [[INC:%.*]] = add i8 [[BF_LOAD]], 1
// BE-NEXT:    store volatile i8 [[INC]], ptr [[C]], align 1
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @increment_v_c_st17(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST17:%.*]], ptr [[S:%.*]], i32 0, i32 1
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[C]], align 1
// LENUMLOADS-NEXT:    [[INC:%.*]] = add i8 [[BF_LOAD]], 1
// LENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[C]], align 1
// LENUMLOADS-NEXT:    store volatile i8 [[INC]], ptr [[C]], align 1
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @increment_v_c_st17(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST17:%.*]], ptr [[S:%.*]], i32 0, i32 1
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[C]], align 1
// BENUMLOADS-NEXT:    [[INC:%.*]] = add i8 [[BF_LOAD]], 1
// BENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[C]], align 1
// BENUMLOADS-NEXT:    store volatile i8 [[INC]], ptr [[C]], align 1
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @increment_v_c_st17(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST17:%.*]], ptr [[S:%.*]], i32 0, i32 1
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[C]], align 1
// LEWIDTH-NEXT:    [[INC:%.*]] = add i8 [[BF_LOAD]], 1
// LEWIDTH-NEXT:    store volatile i8 [[INC]], ptr [[C]], align 1
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @increment_v_c_st17(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST17:%.*]], ptr [[S:%.*]], i32 0, i32 1
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[C]], align 1
// BEWIDTH-NEXT:    [[INC:%.*]] = add i8 [[BF_LOAD]], 1
// BEWIDTH-NEXT:    store volatile i8 [[INC]], ptr [[C]], align 1
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @increment_v_c_st17(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST17:%.*]], ptr [[S:%.*]], i32 0, i32 1
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[C]], align 1
// LEWIDTHNUM-NEXT:    [[INC:%.*]] = add i8 [[BF_LOAD]], 1
// LEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[C]], align 1
// LEWIDTHNUM-NEXT:    store volatile i8 [[INC]], ptr [[C]], align 1
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @increment_v_c_st17(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[C:%.*]] = getelementptr inbounds nuw [[STRUCT_ST17:%.*]], ptr [[S:%.*]], i32 0, i32 1
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[C]], align 1
// BEWIDTHNUM-NEXT:    [[INC:%.*]] = add i8 [[BF_LOAD]], 1
// BEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[C]], align 1
// BEWIDTHNUM-NEXT:    store volatile i8 [[INC]], ptr [[C]], align 1
// BEWIDTHNUM-NEXT:    ret void
//
void increment_v_c_st17(volatile struct st17 *s) {
  s->c++;
}

// A zero bitfield should block, as the C11 specification
// requires a and b to be different memory positions
struct zero_bitfield {
  int a : 8;
  char : 0;
  int b : 8;
};

// LE-LABEL: @increment_a_zero_bitfield(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[S:%.*]], align 4
// LE-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i32
// LE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// LE-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i8
// LE-NEXT:    store volatile i8 [[TMP0]], ptr [[S]], align 4
// LE-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i8 [[TMP0]] to i32
// LE-NEXT:    ret void
//
// BE-LABEL: @increment_a_zero_bitfield(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[S:%.*]], align 4
// BE-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i32
// BE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// BE-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i8
// BE-NEXT:    store volatile i8 [[TMP0]], ptr [[S]], align 4
// BE-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i8 [[TMP0]] to i32
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @increment_a_zero_bitfield(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[S:%.*]], align 4
// LENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i32
// LENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// LENUMLOADS-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i8
// LENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[S]], align 4
// LENUMLOADS-NEXT:    store volatile i8 [[TMP0]], ptr [[S]], align 4
// LENUMLOADS-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i8 [[TMP0]] to i32
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @increment_a_zero_bitfield(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[S:%.*]], align 4
// BENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i32
// BENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// BENUMLOADS-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i8
// BENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[S]], align 4
// BENUMLOADS-NEXT:    store volatile i8 [[TMP0]], ptr [[S]], align 4
// BENUMLOADS-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i8 [[TMP0]] to i32
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @increment_a_zero_bitfield(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[S:%.*]], align 4
// LEWIDTH-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i32
// LEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// LEWIDTH-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i8
// LEWIDTH-NEXT:    store volatile i8 [[TMP0]], ptr [[S]], align 4
// LEWIDTH-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i8 [[TMP0]] to i32
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @increment_a_zero_bitfield(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[S:%.*]], align 4
// BEWIDTH-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i32
// BEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// BEWIDTH-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i8
// BEWIDTH-NEXT:    store volatile i8 [[TMP0]], ptr [[S]], align 4
// BEWIDTH-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i8 [[TMP0]] to i32
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @increment_a_zero_bitfield(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[S:%.*]], align 4
// LEWIDTHNUM-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i32
// LEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// LEWIDTHNUM-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i8
// LEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[S]], align 4
// LEWIDTHNUM-NEXT:    store volatile i8 [[TMP0]], ptr [[S]], align 4
// LEWIDTHNUM-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i8 [[TMP0]] to i32
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @increment_a_zero_bitfield(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[S:%.*]], align 4
// BEWIDTHNUM-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i32
// BEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// BEWIDTHNUM-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i8
// BEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[S]], align 4
// BEWIDTHNUM-NEXT:    store volatile i8 [[TMP0]], ptr [[S]], align 4
// BEWIDTHNUM-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i8 [[TMP0]] to i32
// BEWIDTHNUM-NEXT:    ret void
//
void increment_a_zero_bitfield(volatile struct zero_bitfield *s) {
  s->a++;
}

// LE-LABEL: @increment_b_zero_bitfield(
// LE-NEXT:  entry:
// LE-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ZERO_BITFIELD:%.*]], ptr [[S:%.*]], i32 0, i32 1
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[B]], align 1
// LE-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i32
// LE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// LE-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i8
// LE-NEXT:    store volatile i8 [[TMP0]], ptr [[B]], align 1
// LE-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i8 [[TMP0]] to i32
// LE-NEXT:    ret void
//
// BE-LABEL: @increment_b_zero_bitfield(
// BE-NEXT:  entry:
// BE-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ZERO_BITFIELD:%.*]], ptr [[S:%.*]], i32 0, i32 1
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[B]], align 1
// BE-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i32
// BE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// BE-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i8
// BE-NEXT:    store volatile i8 [[TMP0]], ptr [[B]], align 1
// BE-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i8 [[TMP0]] to i32
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @increment_b_zero_bitfield(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ZERO_BITFIELD:%.*]], ptr [[S:%.*]], i32 0, i32 1
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[B]], align 1
// LENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i32
// LENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// LENUMLOADS-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i8
// LENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[B]], align 1
// LENUMLOADS-NEXT:    store volatile i8 [[TMP0]], ptr [[B]], align 1
// LENUMLOADS-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i8 [[TMP0]] to i32
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @increment_b_zero_bitfield(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ZERO_BITFIELD:%.*]], ptr [[S:%.*]], i32 0, i32 1
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[B]], align 1
// BENUMLOADS-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i32
// BENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// BENUMLOADS-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i8
// BENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[B]], align 1
// BENUMLOADS-NEXT:    store volatile i8 [[TMP0]], ptr [[B]], align 1
// BENUMLOADS-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i8 [[TMP0]] to i32
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @increment_b_zero_bitfield(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ZERO_BITFIELD:%.*]], ptr [[S:%.*]], i32 0, i32 1
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[B]], align 1
// LEWIDTH-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i32
// LEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// LEWIDTH-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i8
// LEWIDTH-NEXT:    store volatile i8 [[TMP0]], ptr [[B]], align 1
// LEWIDTH-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i8 [[TMP0]] to i32
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @increment_b_zero_bitfield(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ZERO_BITFIELD:%.*]], ptr [[S:%.*]], i32 0, i32 1
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[B]], align 1
// BEWIDTH-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i32
// BEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// BEWIDTH-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i8
// BEWIDTH-NEXT:    store volatile i8 [[TMP0]], ptr [[B]], align 1
// BEWIDTH-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i8 [[TMP0]] to i32
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @increment_b_zero_bitfield(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ZERO_BITFIELD:%.*]], ptr [[S:%.*]], i32 0, i32 1
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[B]], align 1
// LEWIDTHNUM-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i32
// LEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// LEWIDTHNUM-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i8
// LEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[B]], align 1
// LEWIDTHNUM-NEXT:    store volatile i8 [[TMP0]], ptr [[B]], align 1
// LEWIDTHNUM-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i8 [[TMP0]] to i32
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @increment_b_zero_bitfield(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ZERO_BITFIELD:%.*]], ptr [[S:%.*]], i32 0, i32 1
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i8, ptr [[B]], align 1
// BEWIDTHNUM-NEXT:    [[BF_CAST:%.*]] = sext i8 [[BF_LOAD]] to i32
// BEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_CAST]], 1
// BEWIDTHNUM-NEXT:    [[TMP0:%.*]] = trunc i32 [[INC]] to i8
// BEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[B]], align 1
// BEWIDTHNUM-NEXT:    store volatile i8 [[TMP0]], ptr [[B]], align 1
// BEWIDTHNUM-NEXT:    [[BF_RESULT_CAST:%.*]] = sext i8 [[TMP0]] to i32
// BEWIDTHNUM-NEXT:    ret void
//
void increment_b_zero_bitfield(volatile struct zero_bitfield *s) {
  s->b++;
}

// The zero bitfield here does not affect
struct zero_bitfield_ok {
  short a : 8;
  char a1 : 8;
  long : 0;
  int b : 24;
};

// LE-LABEL: @increment_a_zero_bitfield_ok(
// LE-NEXT:  entry:
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[S:%.*]], align 4
// LE-NEXT:    [[BF_SHL:%.*]] = shl i16 [[BF_LOAD]], 8
// LE-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_SHL]], 8
// LE-NEXT:    [[CONV:%.*]] = sext i16 [[BF_ASHR]] to i32
// LE-NEXT:    [[BF_LOAD1:%.*]] = load volatile i16, ptr [[S]], align 4
// LE-NEXT:    [[BF_ASHR2:%.*]] = ashr i16 [[BF_LOAD1]], 8
// LE-NEXT:    [[BF_CAST:%.*]] = trunc i16 [[BF_ASHR2]] to i8
// LE-NEXT:    [[CONV3:%.*]] = sext i8 [[BF_CAST]] to i32
// LE-NEXT:    [[ADD:%.*]] = add nsw i32 [[CONV3]], [[CONV]]
// LE-NEXT:    [[CONV4:%.*]] = trunc i32 [[ADD]] to i8
// LE-NEXT:    [[TMP0:%.*]] = zext i8 [[CONV4]] to i16
// LE-NEXT:    [[BF_LOAD5:%.*]] = load volatile i16, ptr [[S]], align 4
// LE-NEXT:    [[BF_VALUE:%.*]] = and i16 [[TMP0]], 255
// LE-NEXT:    [[BF_SHL6:%.*]] = shl i16 [[BF_VALUE]], 8
// LE-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD5]], 255
// LE-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], [[BF_SHL6]]
// LE-NEXT:    store volatile i16 [[BF_SET]], ptr [[S]], align 4
// LE-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i16 [[BF_VALUE]], 8
// LE-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i16 [[BF_RESULT_SHL]], 8
// LE-NEXT:    [[BF_RESULT_CAST:%.*]] = trunc i16 [[BF_RESULT_ASHR]] to i8
// LE-NEXT:    ret void
//
// BE-LABEL: @increment_a_zero_bitfield_ok(
// BE-NEXT:  entry:
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[S:%.*]], align 4
// BE-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_LOAD]], 8
// BE-NEXT:    [[CONV:%.*]] = sext i16 [[BF_ASHR]] to i32
// BE-NEXT:    [[BF_LOAD1:%.*]] = load volatile i16, ptr [[S]], align 4
// BE-NEXT:    [[BF_SHL:%.*]] = shl i16 [[BF_LOAD1]], 8
// BE-NEXT:    [[BF_ASHR2:%.*]] = ashr i16 [[BF_SHL]], 8
// BE-NEXT:    [[BF_CAST:%.*]] = trunc i16 [[BF_ASHR2]] to i8
// BE-NEXT:    [[CONV3:%.*]] = sext i8 [[BF_CAST]] to i32
// BE-NEXT:    [[ADD:%.*]] = add nsw i32 [[CONV3]], [[CONV]]
// BE-NEXT:    [[CONV4:%.*]] = trunc i32 [[ADD]] to i8
// BE-NEXT:    [[TMP0:%.*]] = zext i8 [[CONV4]] to i16
// BE-NEXT:    [[BF_LOAD5:%.*]] = load volatile i16, ptr [[S]], align 4
// BE-NEXT:    [[BF_VALUE:%.*]] = and i16 [[TMP0]], 255
// BE-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD5]], -256
// BE-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], [[BF_VALUE]]
// BE-NEXT:    store volatile i16 [[BF_SET]], ptr [[S]], align 4
// BE-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i16 [[BF_VALUE]], 8
// BE-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i16 [[BF_RESULT_SHL]], 8
// BE-NEXT:    [[BF_RESULT_CAST:%.*]] = trunc i16 [[BF_RESULT_ASHR]] to i8
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @increment_a_zero_bitfield_ok(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[S:%.*]], align 4
// LENUMLOADS-NEXT:    [[BF_SHL:%.*]] = shl i16 [[BF_LOAD]], 8
// LENUMLOADS-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_SHL]], 8
// LENUMLOADS-NEXT:    [[CONV:%.*]] = sext i16 [[BF_ASHR]] to i32
// LENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i16, ptr [[S]], align 4
// LENUMLOADS-NEXT:    [[BF_ASHR2:%.*]] = ashr i16 [[BF_LOAD1]], 8
// LENUMLOADS-NEXT:    [[BF_CAST:%.*]] = trunc i16 [[BF_ASHR2]] to i8
// LENUMLOADS-NEXT:    [[CONV3:%.*]] = sext i8 [[BF_CAST]] to i32
// LENUMLOADS-NEXT:    [[ADD:%.*]] = add nsw i32 [[CONV3]], [[CONV]]
// LENUMLOADS-NEXT:    [[CONV4:%.*]] = trunc i32 [[ADD]] to i8
// LENUMLOADS-NEXT:    [[TMP0:%.*]] = zext i8 [[CONV4]] to i16
// LENUMLOADS-NEXT:    [[BF_LOAD5:%.*]] = load volatile i16, ptr [[S]], align 4
// LENUMLOADS-NEXT:    [[BF_VALUE:%.*]] = and i16 [[TMP0]], 255
// LENUMLOADS-NEXT:    [[BF_SHL6:%.*]] = shl i16 [[BF_VALUE]], 8
// LENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD5]], 255
// LENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], [[BF_SHL6]]
// LENUMLOADS-NEXT:    store volatile i16 [[BF_SET]], ptr [[S]], align 4
// LENUMLOADS-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i16 [[BF_VALUE]], 8
// LENUMLOADS-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i16 [[BF_RESULT_SHL]], 8
// LENUMLOADS-NEXT:    [[BF_RESULT_CAST:%.*]] = trunc i16 [[BF_RESULT_ASHR]] to i8
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @increment_a_zero_bitfield_ok(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[S:%.*]], align 4
// BENUMLOADS-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_LOAD]], 8
// BENUMLOADS-NEXT:    [[CONV:%.*]] = sext i16 [[BF_ASHR]] to i32
// BENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i16, ptr [[S]], align 4
// BENUMLOADS-NEXT:    [[BF_SHL:%.*]] = shl i16 [[BF_LOAD1]], 8
// BENUMLOADS-NEXT:    [[BF_ASHR2:%.*]] = ashr i16 [[BF_SHL]], 8
// BENUMLOADS-NEXT:    [[BF_CAST:%.*]] = trunc i16 [[BF_ASHR2]] to i8
// BENUMLOADS-NEXT:    [[CONV3:%.*]] = sext i8 [[BF_CAST]] to i32
// BENUMLOADS-NEXT:    [[ADD:%.*]] = add nsw i32 [[CONV3]], [[CONV]]
// BENUMLOADS-NEXT:    [[CONV4:%.*]] = trunc i32 [[ADD]] to i8
// BENUMLOADS-NEXT:    [[TMP0:%.*]] = zext i8 [[CONV4]] to i16
// BENUMLOADS-NEXT:    [[BF_LOAD5:%.*]] = load volatile i16, ptr [[S]], align 4
// BENUMLOADS-NEXT:    [[BF_VALUE:%.*]] = and i16 [[TMP0]], 255
// BENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i16 [[BF_LOAD5]], -256
// BENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i16 [[BF_CLEAR]], [[BF_VALUE]]
// BENUMLOADS-NEXT:    store volatile i16 [[BF_SET]], ptr [[S]], align 4
// BENUMLOADS-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i16 [[BF_VALUE]], 8
// BENUMLOADS-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i16 [[BF_RESULT_SHL]], 8
// BENUMLOADS-NEXT:    [[BF_RESULT_CAST:%.*]] = trunc i16 [[BF_RESULT_ASHR]] to i8
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @increment_a_zero_bitfield_ok(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[S:%.*]], align 4
// LEWIDTH-NEXT:    [[BF_SHL:%.*]] = shl i16 [[BF_LOAD]], 8
// LEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_SHL]], 8
// LEWIDTH-NEXT:    [[CONV:%.*]] = sext i16 [[BF_ASHR]] to i32
// LEWIDTH-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i8, ptr [[S]], i32 1
// LEWIDTH-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[TMP0]], align 1
// LEWIDTH-NEXT:    [[CONV2:%.*]] = sext i8 [[BF_LOAD1]] to i32
// LEWIDTH-NEXT:    [[ADD:%.*]] = add nsw i32 [[CONV2]], [[CONV]]
// LEWIDTH-NEXT:    [[CONV3:%.*]] = trunc i32 [[ADD]] to i8
// LEWIDTH-NEXT:    store volatile i8 [[CONV3]], ptr [[TMP0]], align 1
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @increment_a_zero_bitfield_ok(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[S:%.*]], align 4
// BEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_LOAD]], 8
// BEWIDTH-NEXT:    [[CONV:%.*]] = sext i16 [[BF_ASHR]] to i32
// BEWIDTH-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i8, ptr [[S]], i32 1
// BEWIDTH-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[TMP0]], align 1
// BEWIDTH-NEXT:    [[CONV2:%.*]] = sext i8 [[BF_LOAD1]] to i32
// BEWIDTH-NEXT:    [[ADD:%.*]] = add nsw i32 [[CONV2]], [[CONV]]
// BEWIDTH-NEXT:    [[CONV3:%.*]] = trunc i32 [[ADD]] to i8
// BEWIDTH-NEXT:    store volatile i8 [[CONV3]], ptr [[TMP0]], align 1
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @increment_a_zero_bitfield_ok(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[S:%.*]], align 4
// LEWIDTHNUM-NEXT:    [[BF_SHL:%.*]] = shl i16 [[BF_LOAD]], 8
// LEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_SHL]], 8
// LEWIDTHNUM-NEXT:    [[CONV:%.*]] = sext i16 [[BF_ASHR]] to i32
// LEWIDTHNUM-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i8, ptr [[S]], i32 1
// LEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[TMP0]], align 1
// LEWIDTHNUM-NEXT:    [[CONV2:%.*]] = sext i8 [[BF_LOAD1]] to i32
// LEWIDTHNUM-NEXT:    [[ADD:%.*]] = add nsw i32 [[CONV2]], [[CONV]]
// LEWIDTHNUM-NEXT:    [[CONV3:%.*]] = trunc i32 [[ADD]] to i8
// LEWIDTHNUM-NEXT:    [[BF_LOAD4:%.*]] = load volatile i8, ptr [[TMP0]], align 1
// LEWIDTHNUM-NEXT:    store volatile i8 [[CONV3]], ptr [[TMP0]], align 1
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @increment_a_zero_bitfield_ok(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i16, ptr [[S:%.*]], align 4
// BEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i16 [[BF_LOAD]], 8
// BEWIDTHNUM-NEXT:    [[CONV:%.*]] = sext i16 [[BF_ASHR]] to i32
// BEWIDTHNUM-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i8, ptr [[S]], i32 1
// BEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i8, ptr [[TMP0]], align 1
// BEWIDTHNUM-NEXT:    [[CONV2:%.*]] = sext i8 [[BF_LOAD1]] to i32
// BEWIDTHNUM-NEXT:    [[ADD:%.*]] = add nsw i32 [[CONV2]], [[CONV]]
// BEWIDTHNUM-NEXT:    [[CONV3:%.*]] = trunc i32 [[ADD]] to i8
// BEWIDTHNUM-NEXT:    [[BF_LOAD4:%.*]] = load volatile i8, ptr [[TMP0]], align 1
// BEWIDTHNUM-NEXT:    store volatile i8 [[CONV3]], ptr [[TMP0]], align 1
// BEWIDTHNUM-NEXT:    ret void
//
void increment_a_zero_bitfield_ok(volatile struct zero_bitfield_ok *s) {
  s->a1 += s->a;
}

// LE-LABEL: @increment_b_zero_bitfield_ok(
// LE-NEXT:  entry:
// LE-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ZERO_BITFIELD_OK:%.*]], ptr [[S:%.*]], i32 0, i32 1
// LE-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[B]], align 4
// LE-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 8
// LE-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 8
// LE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// LE-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[B]], align 4
// LE-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 16777215
// LE-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], -16777216
// LE-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_VALUE]]
// LE-NEXT:    store volatile i32 [[BF_SET]], ptr [[B]], align 4
// LE-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 8
// LE-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 8
// LE-NEXT:    ret void
//
// BE-LABEL: @increment_b_zero_bitfield_ok(
// BE-NEXT:  entry:
// BE-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ZERO_BITFIELD_OK:%.*]], ptr [[S:%.*]], i32 0, i32 1
// BE-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[B]], align 4
// BE-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_LOAD]], 8
// BE-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// BE-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[B]], align 4
// BE-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 16777215
// BE-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_VALUE]], 8
// BE-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], 255
// BE-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_SHL]]
// BE-NEXT:    store volatile i32 [[BF_SET]], ptr [[B]], align 4
// BE-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 8
// BE-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 8
// BE-NEXT:    ret void
//
// LENUMLOADS-LABEL: @increment_b_zero_bitfield_ok(
// LENUMLOADS-NEXT:  entry:
// LENUMLOADS-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ZERO_BITFIELD_OK:%.*]], ptr [[S:%.*]], i32 0, i32 1
// LENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[B]], align 4
// LENUMLOADS-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 8
// LENUMLOADS-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 8
// LENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// LENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[B]], align 4
// LENUMLOADS-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 16777215
// LENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], -16777216
// LENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_VALUE]]
// LENUMLOADS-NEXT:    store volatile i32 [[BF_SET]], ptr [[B]], align 4
// LENUMLOADS-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 8
// LENUMLOADS-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 8
// LENUMLOADS-NEXT:    ret void
//
// BENUMLOADS-LABEL: @increment_b_zero_bitfield_ok(
// BENUMLOADS-NEXT:  entry:
// BENUMLOADS-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ZERO_BITFIELD_OK:%.*]], ptr [[S:%.*]], i32 0, i32 1
// BENUMLOADS-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[B]], align 4
// BENUMLOADS-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_LOAD]], 8
// BENUMLOADS-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// BENUMLOADS-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[B]], align 4
// BENUMLOADS-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 16777215
// BENUMLOADS-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_VALUE]], 8
// BENUMLOADS-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], 255
// BENUMLOADS-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_SHL]]
// BENUMLOADS-NEXT:    store volatile i32 [[BF_SET]], ptr [[B]], align 4
// BENUMLOADS-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 8
// BENUMLOADS-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 8
// BENUMLOADS-NEXT:    ret void
//
// LEWIDTH-LABEL: @increment_b_zero_bitfield_ok(
// LEWIDTH-NEXT:  entry:
// LEWIDTH-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ZERO_BITFIELD_OK:%.*]], ptr [[S:%.*]], i32 0, i32 1
// LEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[B]], align 4
// LEWIDTH-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 8
// LEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 8
// LEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// LEWIDTH-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[B]], align 4
// LEWIDTH-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 16777215
// LEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], -16777216
// LEWIDTH-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_VALUE]]
// LEWIDTH-NEXT:    store volatile i32 [[BF_SET]], ptr [[B]], align 4
// LEWIDTH-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 8
// LEWIDTH-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 8
// LEWIDTH-NEXT:    ret void
//
// BEWIDTH-LABEL: @increment_b_zero_bitfield_ok(
// BEWIDTH-NEXT:  entry:
// BEWIDTH-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ZERO_BITFIELD_OK:%.*]], ptr [[S:%.*]], i32 0, i32 1
// BEWIDTH-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[B]], align 4
// BEWIDTH-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_LOAD]], 8
// BEWIDTH-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// BEWIDTH-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[B]], align 4
// BEWIDTH-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 16777215
// BEWIDTH-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_VALUE]], 8
// BEWIDTH-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], 255
// BEWIDTH-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_SHL]]
// BEWIDTH-NEXT:    store volatile i32 [[BF_SET]], ptr [[B]], align 4
// BEWIDTH-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 8
// BEWIDTH-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 8
// BEWIDTH-NEXT:    ret void
//
// LEWIDTHNUM-LABEL: @increment_b_zero_bitfield_ok(
// LEWIDTHNUM-NEXT:  entry:
// LEWIDTHNUM-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ZERO_BITFIELD_OK:%.*]], ptr [[S:%.*]], i32 0, i32 1
// LEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[B]], align 4
// LEWIDTHNUM-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_LOAD]], 8
// LEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_SHL]], 8
// LEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// LEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[B]], align 4
// LEWIDTHNUM-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 16777215
// LEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], -16777216
// LEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_VALUE]]
// LEWIDTHNUM-NEXT:    store volatile i32 [[BF_SET]], ptr [[B]], align 4
// LEWIDTHNUM-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 8
// LEWIDTHNUM-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 8
// LEWIDTHNUM-NEXT:    ret void
//
// BEWIDTHNUM-LABEL: @increment_b_zero_bitfield_ok(
// BEWIDTHNUM-NEXT:  entry:
// BEWIDTHNUM-NEXT:    [[B:%.*]] = getelementptr inbounds nuw [[STRUCT_ZERO_BITFIELD_OK:%.*]], ptr [[S:%.*]], i32 0, i32 1
// BEWIDTHNUM-NEXT:    [[BF_LOAD:%.*]] = load volatile i32, ptr [[B]], align 4
// BEWIDTHNUM-NEXT:    [[BF_ASHR:%.*]] = ashr i32 [[BF_LOAD]], 8
// BEWIDTHNUM-NEXT:    [[INC:%.*]] = add nsw i32 [[BF_ASHR]], 1
// BEWIDTHNUM-NEXT:    [[BF_LOAD1:%.*]] = load volatile i32, ptr [[B]], align 4
// BEWIDTHNUM-NEXT:    [[BF_VALUE:%.*]] = and i32 [[INC]], 16777215
// BEWIDTHNUM-NEXT:    [[BF_SHL:%.*]] = shl i32 [[BF_VALUE]], 8
// BEWIDTHNUM-NEXT:    [[BF_CLEAR:%.*]] = and i32 [[BF_LOAD1]], 255
// BEWIDTHNUM-NEXT:    [[BF_SET:%.*]] = or i32 [[BF_CLEAR]], [[BF_SHL]]
// BEWIDTHNUM-NEXT:    store volatile i32 [[BF_SET]], ptr [[B]], align 4
// BEWIDTHNUM-NEXT:    [[BF_RESULT_SHL:%.*]] = shl i32 [[BF_VALUE]], 8
// BEWIDTHNUM-NEXT:    [[BF_RESULT_ASHR:%.*]] = ashr i32 [[BF_RESULT_SHL]], 8
// BEWIDTHNUM-NEXT:    ret void
//
void increment_b_zero_bitfield_ok(volatile struct zero_bitfield_ok *s) {
  s->b++;
}