llvm-project/clang/test/CodeGen/temporary-lifetime-exceptio...

25 lines
895 B
C++

// RUN: %clang_cc1 %s -fexceptions -fcxx-exceptions -std=c++11 -O1 -triple x86_64 -emit-llvm -o - | FileCheck %s
// lifetime.end should be invoked even if the destructor doesn't run due to an
// exception thrown from previous ctor call.
struct A { A(); ~A(); };
A Baz(const A&);
void Test1() {
// CHECK-LABEL: @_Z5Test1v(
// CHECK: getelementptr
// CHECK-NEXT: call void @llvm.lifetime.start(i64 1, i8* nonnull [[TMP:[^ ]+]])
// CHECK-NEXT: getelementptr
// CHECK-NEXT: call void @llvm.lifetime.start(i64 1, i8* nonnull [[TMP1:[^ ]+]])
// Normal exit
// CHECK: call void @llvm.lifetime.end(i64 1, i8* nonnull [[TMP1]])
// CHECK-NEXT: call void @llvm.lifetime.end(i64 1, i8* nonnull [[TMP]])
// Exception exit
// CHECK: call void @llvm.lifetime.end(i64 1, i8* nonnull [[TMP1]])
// CHECK-NEXT: call void @llvm.lifetime.end(i64 1, i8* nonnull [[TMP]])
Baz(Baz(A()));
}