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LLVM13 (2021/7/18)
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sun, 18 Jul 2021 22:43:00 +0900
parents 79ff65ed7e25
children 1f2b6ac9f198
line wrap: on
line source

; REQUIRES: asserts
; RUN: opt -S -amdgpu-simplifylib -debug-only=amdgpu-simplifylib -mtriple=amdgcn-unknown-amdhsa -disable-output < %s 2>&1 | FileCheck %s
; RUN: opt -S -passes=amdgpu-simplifylib -debug-only=amdgpu-simplifylib -mtriple=amdgcn-unknown-amdhsa -disable-output < %s 2>&1 | FileCheck %s

; CHECK-NOT: AMDIC: try folding   call void @llvm.lifetime.start.p0i8
; CHECK-NOT: AMDIC: try folding   call void @llvm.lifetime.end.p0i8
; CHECK-NOT: AMDIC: try folding   call void @llvm.dbg.value

define void @foo(i32 %i) {
  call void @llvm.lifetime.start.p0i8(i64 1, i8* undef)
  call void @llvm.lifetime.end.p0i8(i64 1, i8* undef)
  call void @llvm.dbg.value(metadata i32 undef, metadata !DILocalVariable(name: "1", scope: !2), metadata !DIExpression()), !dbg !3
  ret void
}

declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture)
declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture)
declare void @llvm.dbg.value(metadata, metadata, metadata)

!llvm.module.flags = !{!1}

!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !DIFile(filename: "1", directory: "1"))
!1 = !{i32 2, !"Debug Info Version", i32 3}
!2 = distinct !DISubprogram(unit: !0)
!3 = !DILocation(line: 1, column: 1, scope: !2)