// Ignore non-calls.
CallInst *CI = dyn_cast<CallInst>(I);
++I;
- if (!CI) continue;
+ // Ignore intrinsics that do not become real instructions.
+ if (!CI || isa<DbgInfoIntrinsic>(CI) || CI->isLifetimeStartOrEnd())
+ continue;
// Ignore indirect calls.
Function *Callee = CI->getCalledFunction();
--- /dev/null
+; 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)