xref: /llvm-project/clang/test/CodeGen/temporary-lifetime-exceptions.cpp (revision a20874276be777bed4f34c52438efd66798c2ec5)
1 // RUN: %clang_cc1 %s -fexceptions -fcxx-exceptions -std=c++11 -O1 -triple x86_64 -emit-llvm -o - | FileCheck %s
2 
3 // lifetime.end should be invoked even if the destructor doesn't run due to an
4 // exception thrown from previous ctor call.
5 
6 struct A { A(); ~A(); };
7 A Baz(const A&);
8 
Test1()9 void Test1() {
10   // CHECK-LABEL: @_Z5Test1v(
11   // CHECK: call void @llvm.lifetime.start.p0(i64 1, ptr nonnull [[TMP:[^ ]+]])
12   // CHECK: call void @llvm.lifetime.start.p0(i64 1, ptr nonnull [[TMP1:[^ ]+]])
13 
14   // Normal exit
15   // CHECK: call void @llvm.lifetime.end.p0(i64 1, ptr nonnull [[TMP1]])
16   // CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 1, ptr nonnull [[TMP]])
17 
18   // Exception exit
19   // CHECK: call void @llvm.lifetime.end.p0(i64 1, ptr nonnull [[TMP1]])
20   // CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 1, ptr nonnull [[TMP]])
21   Baz(Baz(A()));
22 }
23