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