llvm/test/CodeGen/X86/stack-folding-adx-x86_64.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -O3 -disable-peephole -mtriple=x86_64-unknown-unknown -mattr=+adx < %s | FileCheck %s --check-prefix=CHECK
; RUN: llc -O3 -disable-peephole -mtriple=x86_64-unknown-unknown -mattr=-adx < %s | FileCheck %s --check-prefix=CHECK

target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-unknown"

; Stack reload folding tests.
;
; By including a nop call with sideeffects we can force a partial register spill of the
; relevant registers and check that the reload is correctly folded into the instruction.

define i8 @stack_fold_addcarry_u32(i8 %a0, i32 %a1, i32 %a2, ptr %a3) {
; CHECK-LABEL: stack_fold_addcarry_u32:
; CHECK:       # %bb.0:
; CHECK-NEXT:    pushq %rbp
; CHECK-NEXT:    .cfi_def_cfa_offset 16
; CHECK-NEXT:    pushq %r15
; CHECK-NEXT:    .cfi_def_cfa_offset 24
; CHECK-NEXT:    pushq %r14
; CHECK-NEXT:    .cfi_def_cfa_offset 32
; CHECK-NEXT:    pushq %r13
; CHECK-NEXT:    .cfi_def_cfa_offset 40
; CHECK-NEXT:    pushq %r12
; CHECK-NEXT:    .cfi_def_cfa_offset 48
; CHECK-NEXT:    pushq %rbx
; CHECK-NEXT:    .cfi_def_cfa_offset 56
; CHECK-NEXT:    .cfi_offset %rbx, -56
; CHECK-NEXT:    .cfi_offset %r12, -48
; CHECK-NEXT:    .cfi_offset %r13, -40
; CHECK-NEXT:    .cfi_offset %r14, -32
; CHECK-NEXT:    .cfi_offset %r15, -24
; CHECK-NEXT:    .cfi_offset %rbp, -16
; CHECK-NEXT:    movq %rcx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    movl %edx, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
; CHECK-NEXT:    movl %esi, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
; CHECK-NEXT:    movl %edi, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
; CHECK-NEXT:    #APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    movl {{[-0-9]+}}(%r{{[sb]}}p), %eax # 4-byte Reload
; CHECK-NEXT:    addb $-1, %al
; CHECK-NEXT:    movl {{[-0-9]+}}(%r{{[sb]}}p), %edx # 4-byte Reload
; CHECK-NEXT:    adcl {{[-0-9]+}}(%r{{[sb]}}p), %edx # 4-byte Folded Reload
; CHECK-NEXT:    setb %al
; CHECK-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rcx # 8-byte Reload
; CHECK-NEXT:    movl %edx, (%rcx)
; CHECK-NEXT:    popq %rbx
; CHECK-NEXT:    .cfi_def_cfa_offset 48
; CHECK-NEXT:    popq %r12
; CHECK-NEXT:    .cfi_def_cfa_offset 40
; CHECK-NEXT:    popq %r13
; CHECK-NEXT:    .cfi_def_cfa_offset 32
; CHECK-NEXT:    popq %r14
; CHECK-NEXT:    .cfi_def_cfa_offset 24
; CHECK-NEXT:    popq %r15
; CHECK-NEXT:    .cfi_def_cfa_offset 16
; CHECK-NEXT:    popq %rbp
; CHECK-NEXT:    .cfi_def_cfa_offset 8
; CHECK-NEXT:    retq
  %1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
  %2 = call { i8, i32 } @llvm.x86.addcarry.32(i8 %a0, i32 %a1, i32 %a2)
  %3 = extractvalue { i8, i32 } %2, 1
  store i32 %3, ptr %a3, align 1
  %4 = extractvalue { i8, i32 } %2, 0
  ret i8 %4
}

define i8 @stack_fold_addcarry_u64(i8 %a0, i64 %a1, i64 %a2, ptr %a3) {
; CHECK-LABEL: stack_fold_addcarry_u64:
; CHECK:       # %bb.0:
; CHECK-NEXT:    pushq %rbp
; CHECK-NEXT:    .cfi_def_cfa_offset 16
; CHECK-NEXT:    pushq %r15
; CHECK-NEXT:    .cfi_def_cfa_offset 24
; CHECK-NEXT:    pushq %r14
; CHECK-NEXT:    .cfi_def_cfa_offset 32
; CHECK-NEXT:    pushq %r13
; CHECK-NEXT:    .cfi_def_cfa_offset 40
; CHECK-NEXT:    pushq %r12
; CHECK-NEXT:    .cfi_def_cfa_offset 48
; CHECK-NEXT:    pushq %rbx
; CHECK-NEXT:    .cfi_def_cfa_offset 56
; CHECK-NEXT:    .cfi_offset %rbx, -56
; CHECK-NEXT:    .cfi_offset %r12, -48
; CHECK-NEXT:    .cfi_offset %r13, -40
; CHECK-NEXT:    .cfi_offset %r14, -32
; CHECK-NEXT:    .cfi_offset %r15, -24
; CHECK-NEXT:    .cfi_offset %rbp, -16
; CHECK-NEXT:    movq %rcx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    movq %rdx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    movq %rsi, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    movl %edi, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
; CHECK-NEXT:    #APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    movl {{[-0-9]+}}(%r{{[sb]}}p), %eax # 4-byte Reload
; CHECK-NEXT:    addb $-1, %al
; CHECK-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rdx # 8-byte Reload
; CHECK-NEXT:    adcq {{[-0-9]+}}(%r{{[sb]}}p), %rdx # 8-byte Folded Reload
; CHECK-NEXT:    setb %al
; CHECK-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rcx # 8-byte Reload
; CHECK-NEXT:    movq %rdx, (%rcx)
; CHECK-NEXT:    popq %rbx
; CHECK-NEXT:    .cfi_def_cfa_offset 48
; CHECK-NEXT:    popq %r12
; CHECK-NEXT:    .cfi_def_cfa_offset 40
; CHECK-NEXT:    popq %r13
; CHECK-NEXT:    .cfi_def_cfa_offset 32
; CHECK-NEXT:    popq %r14
; CHECK-NEXT:    .cfi_def_cfa_offset 24
; CHECK-NEXT:    popq %r15
; CHECK-NEXT:    .cfi_def_cfa_offset 16
; CHECK-NEXT:    popq %rbp
; CHECK-NEXT:    .cfi_def_cfa_offset 8
; CHECK-NEXT:    retq
  %1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
  %2 = call { i8, i64 } @llvm.x86.addcarry.64(i8 %a0, i64 %a1, i64 %a2)
  %3 = extractvalue { i8, i64 } %2, 1
  store i64 %3, ptr %a3, align 1
  %4 = extractvalue { i8, i64 } %2, 0
  ret i8 %4
}

define i8 @stack_fold_addcarryx_u32(i8 %a0, i32 %a1, i32 %a2, ptr %a3) {
; CHECK-LABEL: stack_fold_addcarryx_u32:
; CHECK:       # %bb.0:
; CHECK-NEXT:    pushq %rbp
; CHECK-NEXT:    .cfi_def_cfa_offset 16
; CHECK-NEXT:    pushq %r15
; CHECK-NEXT:    .cfi_def_cfa_offset 24
; CHECK-NEXT:    pushq %r14
; CHECK-NEXT:    .cfi_def_cfa_offset 32
; CHECK-NEXT:    pushq %r13
; CHECK-NEXT:    .cfi_def_cfa_offset 40
; CHECK-NEXT:    pushq %r12
; CHECK-NEXT:    .cfi_def_cfa_offset 48
; CHECK-NEXT:    pushq %rbx
; CHECK-NEXT:    .cfi_def_cfa_offset 56
; CHECK-NEXT:    .cfi_offset %rbx, -56
; CHECK-NEXT:    .cfi_offset %r12, -48
; CHECK-NEXT:    .cfi_offset %r13, -40
; CHECK-NEXT:    .cfi_offset %r14, -32
; CHECK-NEXT:    .cfi_offset %r15, -24
; CHECK-NEXT:    .cfi_offset %rbp, -16
; CHECK-NEXT:    movq %rcx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    movl %edx, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
; CHECK-NEXT:    movl %esi, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
; CHECK-NEXT:    movl %edi, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
; CHECK-NEXT:    #APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    movl {{[-0-9]+}}(%r{{[sb]}}p), %eax # 4-byte Reload
; CHECK-NEXT:    addb $-1, %al
; CHECK-NEXT:    movl {{[-0-9]+}}(%r{{[sb]}}p), %edx # 4-byte Reload
; CHECK-NEXT:    adcl {{[-0-9]+}}(%r{{[sb]}}p), %edx # 4-byte Folded Reload
; CHECK-NEXT:    setb %al
; CHECK-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rcx # 8-byte Reload
; CHECK-NEXT:    movl %edx, (%rcx)
; CHECK-NEXT:    popq %rbx
; CHECK-NEXT:    .cfi_def_cfa_offset 48
; CHECK-NEXT:    popq %r12
; CHECK-NEXT:    .cfi_def_cfa_offset 40
; CHECK-NEXT:    popq %r13
; CHECK-NEXT:    .cfi_def_cfa_offset 32
; CHECK-NEXT:    popq %r14
; CHECK-NEXT:    .cfi_def_cfa_offset 24
; CHECK-NEXT:    popq %r15
; CHECK-NEXT:    .cfi_def_cfa_offset 16
; CHECK-NEXT:    popq %rbp
; CHECK-NEXT:    .cfi_def_cfa_offset 8
; CHECK-NEXT:    retq
  %1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
  %2 = call { i8, i32 } @llvm.x86.addcarry.32(i8 %a0, i32 %a1, i32 %a2)
  %3 = extractvalue { i8, i32 } %2, 1
  store i32 %3, ptr %a3, align 1
  %4 = extractvalue { i8, i32 } %2, 0
  ret i8 %4
}

define i8 @stack_fold_addcarryx_u64(i8 %a0, i64 %a1, i64 %a2, ptr %a3) {
; CHECK-LABEL: stack_fold_addcarryx_u64:
; CHECK:       # %bb.0:
; CHECK-NEXT:    pushq %rbp
; CHECK-NEXT:    .cfi_def_cfa_offset 16
; CHECK-NEXT:    pushq %r15
; CHECK-NEXT:    .cfi_def_cfa_offset 24
; CHECK-NEXT:    pushq %r14
; CHECK-NEXT:    .cfi_def_cfa_offset 32
; CHECK-NEXT:    pushq %r13
; CHECK-NEXT:    .cfi_def_cfa_offset 40
; CHECK-NEXT:    pushq %r12
; CHECK-NEXT:    .cfi_def_cfa_offset 48
; CHECK-NEXT:    pushq %rbx
; CHECK-NEXT:    .cfi_def_cfa_offset 56
; CHECK-NEXT:    .cfi_offset %rbx, -56
; CHECK-NEXT:    .cfi_offset %r12, -48
; CHECK-NEXT:    .cfi_offset %r13, -40
; CHECK-NEXT:    .cfi_offset %r14, -32
; CHECK-NEXT:    .cfi_offset %r15, -24
; CHECK-NEXT:    .cfi_offset %rbp, -16
; CHECK-NEXT:    movq %rcx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    movq %rdx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    movq %rsi, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    movl %edi, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
; CHECK-NEXT:    #APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    movl {{[-0-9]+}}(%r{{[sb]}}p), %eax # 4-byte Reload
; CHECK-NEXT:    addb $-1, %al
; CHECK-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rdx # 8-byte Reload
; CHECK-NEXT:    adcq {{[-0-9]+}}(%r{{[sb]}}p), %rdx # 8-byte Folded Reload
; CHECK-NEXT:    setb %al
; CHECK-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rcx # 8-byte Reload
; CHECK-NEXT:    movq %rdx, (%rcx)
; CHECK-NEXT:    popq %rbx
; CHECK-NEXT:    .cfi_def_cfa_offset 48
; CHECK-NEXT:    popq %r12
; CHECK-NEXT:    .cfi_def_cfa_offset 40
; CHECK-NEXT:    popq %r13
; CHECK-NEXT:    .cfi_def_cfa_offset 32
; CHECK-NEXT:    popq %r14
; CHECK-NEXT:    .cfi_def_cfa_offset 24
; CHECK-NEXT:    popq %r15
; CHECK-NEXT:    .cfi_def_cfa_offset 16
; CHECK-NEXT:    popq %rbp
; CHECK-NEXT:    .cfi_def_cfa_offset 8
; CHECK-NEXT:    retq
  %1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
  %2 = call { i8, i64 } @llvm.x86.addcarry.64(i8 %a0, i64 %a1, i64 %a2)
  %3 = extractvalue { i8, i64 } %2, 1
  store i64 %3, ptr %a3, align 1
  %4 = extractvalue { i8, i64 } %2, 0
  ret i8 %4
}

define i8 @stack_fold_subborrow_u32(i8 %a0, i32 %a1, i32 %a2, ptr %a3) {
; CHECK-LABEL: stack_fold_subborrow_u32:
; CHECK:       # %bb.0:
; CHECK-NEXT:    pushq %rbp
; CHECK-NEXT:    .cfi_def_cfa_offset 16
; CHECK-NEXT:    pushq %r15
; CHECK-NEXT:    .cfi_def_cfa_offset 24
; CHECK-NEXT:    pushq %r14
; CHECK-NEXT:    .cfi_def_cfa_offset 32
; CHECK-NEXT:    pushq %r13
; CHECK-NEXT:    .cfi_def_cfa_offset 40
; CHECK-NEXT:    pushq %r12
; CHECK-NEXT:    .cfi_def_cfa_offset 48
; CHECK-NEXT:    pushq %rbx
; CHECK-NEXT:    .cfi_def_cfa_offset 56
; CHECK-NEXT:    .cfi_offset %rbx, -56
; CHECK-NEXT:    .cfi_offset %r12, -48
; CHECK-NEXT:    .cfi_offset %r13, -40
; CHECK-NEXT:    .cfi_offset %r14, -32
; CHECK-NEXT:    .cfi_offset %r15, -24
; CHECK-NEXT:    .cfi_offset %rbp, -16
; CHECK-NEXT:    movq %rcx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    movl %edx, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
; CHECK-NEXT:    movl %esi, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
; CHECK-NEXT:    movl %edi, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
; CHECK-NEXT:    #APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    movl {{[-0-9]+}}(%r{{[sb]}}p), %eax # 4-byte Reload
; CHECK-NEXT:    addb $-1, %al
; CHECK-NEXT:    movl {{[-0-9]+}}(%r{{[sb]}}p), %edx # 4-byte Reload
; CHECK-NEXT:    sbbl {{[-0-9]+}}(%r{{[sb]}}p), %edx # 4-byte Folded Reload
; CHECK-NEXT:    setb %al
; CHECK-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rcx # 8-byte Reload
; CHECK-NEXT:    movl %edx, (%rcx)
; CHECK-NEXT:    popq %rbx
; CHECK-NEXT:    .cfi_def_cfa_offset 48
; CHECK-NEXT:    popq %r12
; CHECK-NEXT:    .cfi_def_cfa_offset 40
; CHECK-NEXT:    popq %r13
; CHECK-NEXT:    .cfi_def_cfa_offset 32
; CHECK-NEXT:    popq %r14
; CHECK-NEXT:    .cfi_def_cfa_offset 24
; CHECK-NEXT:    popq %r15
; CHECK-NEXT:    .cfi_def_cfa_offset 16
; CHECK-NEXT:    popq %rbp
; CHECK-NEXT:    .cfi_def_cfa_offset 8
; CHECK-NEXT:    retq
  %1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
  %2 = call { i8, i32 } @llvm.x86.subborrow.32(i8 %a0, i32 %a1, i32 %a2)
  %3 = extractvalue { i8, i32 } %2, 1
  store i32 %3, ptr %a3, align 1
  %4 = extractvalue { i8, i32 } %2, 0
  ret i8 %4
}

define i8 @stack_fold_subborrow_u64(i8 %a0, i64 %a1, i64 %a2, ptr %a3) {
; CHECK-LABEL: stack_fold_subborrow_u64:
; CHECK:       # %bb.0:
; CHECK-NEXT:    pushq %rbp
; CHECK-NEXT:    .cfi_def_cfa_offset 16
; CHECK-NEXT:    pushq %r15
; CHECK-NEXT:    .cfi_def_cfa_offset 24
; CHECK-NEXT:    pushq %r14
; CHECK-NEXT:    .cfi_def_cfa_offset 32
; CHECK-NEXT:    pushq %r13
; CHECK-NEXT:    .cfi_def_cfa_offset 40
; CHECK-NEXT:    pushq %r12
; CHECK-NEXT:    .cfi_def_cfa_offset 48
; CHECK-NEXT:    pushq %rbx
; CHECK-NEXT:    .cfi_def_cfa_offset 56
; CHECK-NEXT:    .cfi_offset %rbx, -56
; CHECK-NEXT:    .cfi_offset %r12, -48
; CHECK-NEXT:    .cfi_offset %r13, -40
; CHECK-NEXT:    .cfi_offset %r14, -32
; CHECK-NEXT:    .cfi_offset %r15, -24
; CHECK-NEXT:    .cfi_offset %rbp, -16
; CHECK-NEXT:    movq %rcx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    movq %rdx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    movq %rsi, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    movl %edi, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
; CHECK-NEXT:    #APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    movl {{[-0-9]+}}(%r{{[sb]}}p), %eax # 4-byte Reload
; CHECK-NEXT:    addb $-1, %al
; CHECK-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rdx # 8-byte Reload
; CHECK-NEXT:    sbbq {{[-0-9]+}}(%r{{[sb]}}p), %rdx # 8-byte Folded Reload
; CHECK-NEXT:    setb %al
; CHECK-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rcx # 8-byte Reload
; CHECK-NEXT:    movq %rdx, (%rcx)
; CHECK-NEXT:    popq %rbx
; CHECK-NEXT:    .cfi_def_cfa_offset 48
; CHECK-NEXT:    popq %r12
; CHECK-NEXT:    .cfi_def_cfa_offset 40
; CHECK-NEXT:    popq %r13
; CHECK-NEXT:    .cfi_def_cfa_offset 32
; CHECK-NEXT:    popq %r14
; CHECK-NEXT:    .cfi_def_cfa_offset 24
; CHECK-NEXT:    popq %r15
; CHECK-NEXT:    .cfi_def_cfa_offset 16
; CHECK-NEXT:    popq %rbp
; CHECK-NEXT:    .cfi_def_cfa_offset 8
; CHECK-NEXT:    retq
  %1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
  %2 = call { i8, i64 } @llvm.x86.subborrow.64(i8 %a0, i64 %a1, i64 %a2)
  %3 = extractvalue { i8, i64 } %2, 1
  store i64 %3, ptr %a3, align 1
  %4 = extractvalue { i8, i64 } %2, 0
  ret i8 %4
}

declare { i8, i32 } @llvm.x86.addcarry.32(i8, i32, i32)
declare { i8, i64 } @llvm.x86.addcarry.64(i8, i64, i64)
declare { i8, i32 } @llvm.x86.subborrow.32(i8, i32, i32)
declare { i8, i64 } @llvm.x86.subborrow.64(i8, i64, i64)