| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-pc-linux -mcpu=skylake | FileCheck %s |
| |
| declare void @capture(i64*) |
| |
| define void @test_natural() "no-realign-stack" { |
| ; CHECK-LABEL: test_natural: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: pushq %rax |
| ; CHECK-NEXT: .cfi_def_cfa_offset 16 |
| ; CHECK-NEXT: movq %rsp, %rdi |
| ; CHECK-NEXT: callq capture |
| ; CHECK-NEXT: popq %rax |
| ; CHECK-NEXT: .cfi_def_cfa_offset 8 |
| ; CHECK-NEXT: retq |
| %a = alloca i64 |
| call void @capture(i64* %a) |
| ret void |
| } |
| |
| define void @test_realign() { |
| ; CHECK-LABEL: test_realign: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: pushq %rbp |
| ; CHECK-NEXT: .cfi_def_cfa_offset 16 |
| ; CHECK-NEXT: .cfi_offset %rbp, -16 |
| ; CHECK-NEXT: movq %rsp, %rbp |
| ; CHECK-NEXT: .cfi_def_cfa_register %rbp |
| ; CHECK-NEXT: andq $-64, %rsp |
| ; CHECK-NEXT: subq $64, %rsp |
| ; CHECK-NEXT: movq %rsp, %rdi |
| ; CHECK-NEXT: callq capture |
| ; CHECK-NEXT: movq %rbp, %rsp |
| ; CHECK-NEXT: popq %rbp |
| ; CHECK-NEXT: .cfi_def_cfa %rsp, 8 |
| ; CHECK-NEXT: retq |
| %a = alloca i64, align 64 |
| call void @capture(i64* %a) |
| ret void |
| } |
| |
| define void @test_norealign() "no-realign-stack" { |
| ; CHECK-LABEL: test_norealign: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: pushq %rax |
| ; CHECK-NEXT: .cfi_def_cfa_offset 16 |
| ; CHECK-NEXT: movq %rsp, %rdi |
| ; CHECK-NEXT: callq capture |
| ; CHECK-NEXT: popq %rax |
| ; CHECK-NEXT: .cfi_def_cfa_offset 8 |
| ; CHECK-NEXT: retq |
| %a = alloca i64, align 64 |
| call void @capture(i64* %a) |
| ret void |
| } |