diff --git a/llvm/test/CodeGen/AMDGPU/simplify-libcalls2.ll b/llvm/test/CodeGen/AMDGPU/simplify-libcalls2.ll new file mode 100644 --- /dev/null +++ b/llvm/test/CodeGen/AMDGPU/simplify-libcalls2.ll @@ -0,0 +1,24 @@ +; REQUIRES: asserts +; RUN: opt -S -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)