File: simplify-libcalls2.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (25 lines) | stat: -rw-r--r-- 1,223 bytes parent folder | download | duplicates (9)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
; REQUIRES: asserts
; RUN: opt -S -passes=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.p0
; CHECK-NOT: AMDIC: try folding   call void @llvm.lifetime.end.p0
; CHECK-NOT: AMDIC: try folding   call void @llvm.dbg.value

define void @foo(i32 %i) {
  call void @llvm.lifetime.start.p0(i64 1, ptr undef)
  call void @llvm.lifetime.end.p0(i64 1, ptr 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.p0(i64 immarg, ptr nocapture)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr 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)