xref: /llvm-project/clang/test/CodeGenCXX/block-byref-cxx-objc.cpp (revision 0f1c1be1968076d6f96f8a7bcc4a15cf195ecd97)
1 // RUN: %clang_cc1 %s -std=c++11 -emit-llvm -triple %itanium_abi_triple -o - -fblocks -fexceptions | FileCheck %s
2 
3 struct A {
4 	int x;
5 	A(const A &);
6 	A();
7 	~A() noexcept(false);
8 };
9 
10 struct B {
11 	int x;
12 	B(const B &);
13 	B();
14 	~B();
15 };
16 
testA()17 int testA() {
18 	__block A a0, a1;
19   ^{ a0.x = 1234; a1.x = 5678; };
20 	return 0;
21 }
22 
23 // CHECK-LABEL: define internal void @__Block_byref_object_copy_
24 // CHECK: call {{.*}} @_ZN1AC1ERKS_
25 // CHECK-LABEL: define internal void @__Block_byref_object_dispose_
26 // CHECK: call {{.*}} @_ZN1AD1Ev
27 
28 // CHECK-LABEL: define linkonce_odr hidden void @__copy_helper_block_e{{4|8}}_{{20|32}}rc{{24|40}}rc(
29 // CHECK: call void @_Block_object_assign(
30 // CHECK: invoke void @_Block_object_assign(
31 // CHECK: call void @_Block_object_dispose({{.*}}) #[[NOUNWIND_ATTR:[0-9]+]]
32 
33 // CHECK-LABEL: define linkonce_odr hidden void @__destroy_helper_block_e{{4|8}}_{{20|32}}rd{{24|40}}rd(
34 // CHECK: invoke void @_Block_object_dispose(
35 // CHECK: call void @_Block_object_dispose(
36 // CHECK: invoke void @_Block_object_dispose(
37 
testB()38 int testB() {
39 	__block B b0, b1;
40   ^{ b0.x = 1234; b1.x = 5678; };
41 	return 0;
42 }
43 
44 // CHECK-LABEL: define internal void @__Block_byref_object_copy_
45 // CHECK: call {{.*}} @_ZN1BC1ERKS_
46 // CHECK-LABEL: define internal void @__Block_byref_object_dispose_
47 // CHECK: call {{.*}} @_ZN1BD1Ev
48 
49 // CHECK-NOT: define{{.*}}@__copy_helper_block
50 // CHECK: define linkonce_odr hidden void @__destroy_helper_block_e{{4|8}}_{{20|32}}r{{24|40}}r(
51 
52 // CHECK: attributes #[[NOUNWIND_ATTR]] = {{{.*}}nounwind{{.*}}}
53 namespace test1 {
54   struct A { int x; A(); ~A(); };
55 
test()56   void test() {
57     return;
58     __block A a;
59   }
60 }
61