llvm/test/Transforms/GlobalOpt/sra-many-stores.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals
; RUN: opt -passes=globalopt -S %s | FileCheck %s

%struct.widget = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr }

@global = internal global %struct.widget zeroinitializer


;.
; CHECK: @[[GLOBAL:[a-zA-Z0-9_$"\\.-]+]] = internal unnamed_addr global [[STRUCT_WIDGET:%.*]] zeroinitializer
; CHECK: @[[GLOBAL_ARRAY_IN_STRUCT:[a-zA-Z0-9_$"\\.-]+]] = internal unnamed_addr global [[STRUCT_WITH_ARRAY:%.*]] zeroinitializer
; CHECK: @[[GLOBAL_ARRAY:[a-zA-Z0-9_$"\\.-]+]] = internal unnamed_addr global [100 x i64] zeroinitializer
;.
define internal void @read_struct() {
; CHECK-LABEL: @read_struct(
; CHECK-NEXT:    [[TMP:%.*]] = load ptr, ptr getelementptr inbounds ([[STRUCT_WIDGET:%.*]], ptr @global, i64 0, i32 16), align 8
; CHECK-NEXT:    ret void
;
  %tmp = load ptr, ptr getelementptr inbounds (%struct.widget, ptr @global, i64 0, i32 16), align 8
  ret void
}

define void @write_struct() {
; CHECK-LABEL: @write_struct(
; CHECK-NEXT:    store ptr null, ptr @global, align 8
; CHECK-NEXT:    store ptr null, ptr getelementptr inbounds ([[STRUCT_WIDGET:%.*]], ptr @global, i64 0, i32 1), align 8
; CHECK-NEXT:    store ptr null, ptr getelementptr inbounds ([[STRUCT_WIDGET]], ptr @global, i64 0, i32 2), align 8
; CHECK-NEXT:    store ptr null, ptr getelementptr inbounds ([[STRUCT_WIDGET]], ptr @global, i64 0, i32 3), align 8
; CHECK-NEXT:    store ptr null, ptr getelementptr inbounds ([[STRUCT_WIDGET]], ptr @global, i64 0, i32 4), align 8
; CHECK-NEXT:    store ptr null, ptr getelementptr inbounds ([[STRUCT_WIDGET]], ptr @global, i64 0, i32 5), align 8
; CHECK-NEXT:    store ptr null, ptr getelementptr inbounds ([[STRUCT_WIDGET]], ptr @global, i64 0, i32 6), align 8
; CHECK-NEXT:    store ptr null, ptr getelementptr inbounds ([[STRUCT_WIDGET]], ptr @global, i64 0, i32 7), align 8
; CHECK-NEXT:    store ptr null, ptr getelementptr inbounds ([[STRUCT_WIDGET]], ptr @global, i64 0, i32 8), align 8
; CHECK-NEXT:    store ptr null, ptr getelementptr inbounds ([[STRUCT_WIDGET]], ptr @global, i64 0, i32 9), align 8
; CHECK-NEXT:    store ptr null, ptr getelementptr inbounds ([[STRUCT_WIDGET]], ptr @global, i64 0, i32 10), align 8
; CHECK-NEXT:    store ptr null, ptr getelementptr inbounds ([[STRUCT_WIDGET]], ptr @global, i64 0, i32 11), align 8
; CHECK-NEXT:    store ptr null, ptr getelementptr inbounds ([[STRUCT_WIDGET]], ptr @global, i64 0, i32 12), align 8
; CHECK-NEXT:    store ptr null, ptr getelementptr inbounds ([[STRUCT_WIDGET]], ptr @global, i64 0, i32 13), align 8
; CHECK-NEXT:    store ptr null, ptr getelementptr inbounds ([[STRUCT_WIDGET]], ptr @global, i64 0, i32 14), align 8
; CHECK-NEXT:    store ptr null, ptr getelementptr inbounds ([[STRUCT_WIDGET]], ptr @global, i64 0, i32 15), align 8
; CHECK-NEXT:    tail call fastcc void @read_struct()
; CHECK-NEXT:    ret void
;
  store ptr null, ptr getelementptr inbounds (%struct.widget, ptr @global, i64 0, i32 0), align 8
  store ptr null, ptr getelementptr inbounds (%struct.widget, ptr @global, i64 0, i32 1), align 8
  store ptr null, ptr getelementptr inbounds (%struct.widget, ptr @global, i64 0, i32 2), align 8
  store ptr null, ptr getelementptr inbounds (%struct.widget, ptr @global, i64 0, i32 3), align 8
  store ptr null, ptr getelementptr inbounds (%struct.widget, ptr @global, i64 0, i32 4), align 8
  store ptr null, ptr getelementptr inbounds (%struct.widget, ptr @global, i64 0, i32 5), align 8
  store ptr null, ptr getelementptr inbounds (%struct.widget, ptr @global, i64 0, i32 6), align 8
  store ptr null, ptr getelementptr inbounds (%struct.widget, ptr @global, i64 0, i32 7), align 8
  store ptr null, ptr getelementptr inbounds (%struct.widget, ptr @global, i64 0, i32 8), align 8
  store ptr null, ptr getelementptr inbounds (%struct.widget, ptr @global, i64 0, i32 9), align 8
  store ptr null, ptr getelementptr inbounds (%struct.widget, ptr @global, i64 0, i32 10), align 8
  store ptr null, ptr getelementptr inbounds (%struct.widget, ptr @global, i64 0, i32 11), align 8
  store ptr null, ptr getelementptr inbounds (%struct.widget, ptr @global, i64 0, i32 12), align 8
  store ptr null, ptr getelementptr inbounds (%struct.widget, ptr @global, i64 0, i32 13), align 8
  store ptr null, ptr getelementptr inbounds (%struct.widget, ptr @global, i64 0, i32 14), align 8
  store ptr null, ptr getelementptr inbounds (%struct.widget, ptr @global, i64 0, i32 15), align 8
  tail call void @read_struct()
  ret void
}


%struct.with.array = type { [100 x i64], i64 }

@global.array_in_struct = internal global %struct.with.array zeroinitializer

define internal void @read_non_array_field() {
; CHECK-LABEL: @read_non_array_field(
; CHECK-NEXT:    [[TMP:%.*]] = load i64, ptr getelementptr inbounds ([[STRUCT_WITH_ARRAY:%.*]], ptr @global.array_in_struct, i64 0, i32 1), align 8
; CHECK-NEXT:    ret void
;
  %tmp = load i64, ptr getelementptr inbounds (%struct.with.array, ptr @global.array_in_struct, i64 0, i32 1), align 8
  ret void
}

define void @store_to_struct_array() {
; CHECK-LABEL: @store_to_struct_array(
; CHECK-NEXT:    store i64 0, ptr @global.array_in_struct, align 8
; CHECK-NEXT:    store i64 0, ptr getelementptr inbounds ([[STRUCT_WITH_ARRAY:%.*]], ptr @global.array_in_struct, i64 0, i32 0, i32 1), align 8
; CHECK-NEXT:    store i64 0, ptr getelementptr inbounds ([[STRUCT_WITH_ARRAY]], ptr @global.array_in_struct, i64 0, i32 0, i32 2), align 8
; CHECK-NEXT:    store i64 0, ptr getelementptr inbounds ([[STRUCT_WITH_ARRAY]], ptr @global.array_in_struct, i64 0, i32 0, i32 3), align 8
; CHECK-NEXT:    store i64 0, ptr getelementptr inbounds ([[STRUCT_WITH_ARRAY]], ptr @global.array_in_struct, i64 0, i32 0, i32 4), align 8
; CHECK-NEXT:    store i64 0, ptr getelementptr inbounds ([[STRUCT_WITH_ARRAY]], ptr @global.array_in_struct, i64 0, i32 0, i32 5), align 8
; CHECK-NEXT:    store i64 0, ptr getelementptr inbounds ([[STRUCT_WITH_ARRAY]], ptr @global.array_in_struct, i64 0, i32 0, i32 6), align 8
; CHECK-NEXT:    store i64 0, ptr getelementptr inbounds ([[STRUCT_WITH_ARRAY]], ptr @global.array_in_struct, i64 0, i32 0, i32 7), align 8
; CHECK-NEXT:    store i64 0, ptr getelementptr inbounds ([[STRUCT_WITH_ARRAY]], ptr @global.array_in_struct, i64 0, i32 0, i32 8), align 8
; CHECK-NEXT:    store i64 0, ptr getelementptr inbounds ([[STRUCT_WITH_ARRAY]], ptr @global.array_in_struct, i64 0, i32 0, i32 9), align 8
; CHECK-NEXT:    store i64 0, ptr getelementptr inbounds ([[STRUCT_WITH_ARRAY]], ptr @global.array_in_struct, i64 0, i32 0, i32 10), align 8
; CHECK-NEXT:    store i64 0, ptr getelementptr inbounds ([[STRUCT_WITH_ARRAY]], ptr @global.array_in_struct, i64 0, i32 0, i32 11), align 8
; CHECK-NEXT:    store i64 0, ptr getelementptr inbounds ([[STRUCT_WITH_ARRAY]], ptr @global.array_in_struct, i64 0, i32 0, i32 12), align 8
; CHECK-NEXT:    store i64 0, ptr getelementptr inbounds ([[STRUCT_WITH_ARRAY]], ptr @global.array_in_struct, i64 0, i32 0, i32 13), align 8
; CHECK-NEXT:    store i64 0, ptr getelementptr inbounds ([[STRUCT_WITH_ARRAY]], ptr @global.array_in_struct, i64 0, i32 0, i32 14), align 8
; CHECK-NEXT:    store i64 0, ptr getelementptr inbounds ([[STRUCT_WITH_ARRAY]], ptr @global.array_in_struct, i64 0, i32 0, i32 15), align 8
; CHECK-NEXT:    tail call fastcc void @read_non_array_field()
; CHECK-NEXT:    ret void
;
  store i64 0, ptr getelementptr inbounds (%struct.with.array, ptr @global.array_in_struct, i64 0, i32 0, i32 0), align 8
  store i64 0, ptr getelementptr inbounds (%struct.with.array, ptr @global.array_in_struct, i64 0, i32 0, i32 1), align 8
  store i64 0, ptr getelementptr inbounds (%struct.with.array, ptr @global.array_in_struct, i64 0, i32 0, i32 2), align 8
  store i64 0, ptr getelementptr inbounds (%struct.with.array, ptr @global.array_in_struct, i64 0, i32 0, i32 3), align 8
  store i64 0, ptr getelementptr inbounds (%struct.with.array, ptr @global.array_in_struct, i64 0, i32 0, i32 4), align 8
  store i64 0, ptr getelementptr inbounds (%struct.with.array, ptr @global.array_in_struct, i64 0, i32 0, i32 5), align 8
  store i64 0, ptr getelementptr inbounds (%struct.with.array, ptr @global.array_in_struct, i64 0, i32 0, i32 6), align 8
  store i64 0, ptr getelementptr inbounds (%struct.with.array, ptr @global.array_in_struct, i64 0, i32 0, i32 7), align 8
  store i64 0, ptr getelementptr inbounds (%struct.with.array, ptr @global.array_in_struct, i64 0, i32 0, i32 8), align 8
  store i64 0, ptr getelementptr inbounds (%struct.with.array, ptr @global.array_in_struct, i64 0, i32 0, i32 9), align 8
  store i64 0, ptr getelementptr inbounds (%struct.with.array, ptr @global.array_in_struct, i64 0, i32 0, i32 10), align 8
  store i64 0, ptr getelementptr inbounds (%struct.with.array, ptr @global.array_in_struct, i64 0, i32 0, i32 11), align 8
  store i64 0, ptr getelementptr inbounds (%struct.with.array, ptr @global.array_in_struct, i64 0, i32 0, i32 12), align 8
  store i64 0, ptr getelementptr inbounds (%struct.with.array, ptr @global.array_in_struct, i64 0, i32 0, i32 13), align 8
  store i64 0, ptr getelementptr inbounds (%struct.with.array, ptr @global.array_in_struct, i64 0, i32 0, i32 14), align 8
  store i64 0, ptr getelementptr inbounds (%struct.with.array, ptr @global.array_in_struct, i64 0, i32 0, i32 15), align 8
  tail call void @read_non_array_field()
  ret void
}

@global.array = internal global [100 x i64] zeroinitializer

define internal void @read_array() {
; CHECK-LABEL: @read_array(
; CHECK-NEXT:    [[TMP:%.*]] = load i64, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 99), align 8
; CHECK-NEXT:    ret void
;
  %tmp = load i64, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 99), align 8
  ret void
}

define void @store_to_array() {
; CHECK-LABEL: @store_to_array(
; CHECK-NEXT:    store i64 0, ptr @global.array, align 8
; CHECK-NEXT:    store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 1), align 8
; CHECK-NEXT:    store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 2), align 8
; CHECK-NEXT:    store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 3), align 8
; CHECK-NEXT:    store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 4), align 8
; CHECK-NEXT:    store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 5), align 8
; CHECK-NEXT:    store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 6), align 8
; CHECK-NEXT:    store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 7), align 8
; CHECK-NEXT:    store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 8), align 8
; CHECK-NEXT:    store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 9), align 8
; CHECK-NEXT:    store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 10), align 8
; CHECK-NEXT:    store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 11), align 8
; CHECK-NEXT:    store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 12), align 8
; CHECK-NEXT:    store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 13), align 8
; CHECK-NEXT:    store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 14), align 8
; CHECK-NEXT:    store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 15), align 8
; CHECK-NEXT:    tail call fastcc void @read_array()
; CHECK-NEXT:    ret void
;
  store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 0), align 8
  store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 1), align 8
  store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 2), align 8
  store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 3), align 8
  store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 4), align 8
  store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 5), align 8
  store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 6), align 8
  store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 7), align 8
  store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 8), align 8
  store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 9), align 8
  store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 10), align 8
  store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 11), align 8
  store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 12), align 8
  store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 13), align 8
  store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 14), align 8
  store i64 0, ptr getelementptr inbounds ([100 x i64], ptr @global.array, i64 0, i32 15), align 8
  tail call void @read_array()
  ret void
}