; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --prefix-filecheck-ir-name abc ; RUN: opt -dse -S < %s | FileCheck %s ; Make sure invokes are not removed as dead stores. define void @test_nounwind_invoke() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) { ; CHECK-LABEL: @test_nounwind_invoke( ; CHECK-NEXT: bb: ; CHECK-NEXT: [[TMP:%.*]] = alloca i32, align 4 ; CHECK-NEXT: invoke void @foo(i32* [[TMP]]) ; CHECK-NEXT: to label [[BB1:%.*]] unwind label [[BB2:%.*]] ; CHECK: bb1: ; CHECK-NEXT: call void @llvm.lifetime.end.p0i32(i64 4, i32* [[TMP]]) ; CHECK-NEXT: ret void ; CHECK: bb2: ; CHECK-NEXT: [[ABCTMP1:%.*]] = landingpad { i8*, i32 } ; CHECK-NEXT: cleanup ; CHECK-NEXT: resume { i8*, i32 } [[ABCTMP1]] ; bb: %tmp = alloca i32, align 4 ; 'foo' is 'argmemonly', meaning it can only write to memory pointed by %tmp. ; And this def is killed by 'call @llvm.lifetime.end.p0i32' in bb1 without ; being used elsewhere, becoming a dead store. But we shouldn't remove this ; because invokes are terminators and thus cannot be removed. invoke void @foo(i32* %tmp) to label %bb1 unwind label %bb2 bb1: ; preds = %bb call void @llvm.lifetime.end.p0i32(i64 4, i32* %tmp) ret void bb2: ; preds = %bb %tmp1 = landingpad { i8*, i32 } cleanup resume { i8*, i32 } %tmp1 } ; Function Attrs: argmemonly nocallback nofree nosync nounwind willreturn declare void @llvm.lifetime.end.p0i32(i64 immarg, i32* nocapture) #0 ; Function Attrs: argmemonly nounwind willreturn declare void @foo(i32*) #1 declare i32 @__gxx_personality_v0(...) attributes #0 = { argmemonly nocallback nofree nosync nounwind willreturn } attributes #1 = { argmemonly nounwind willreturn }