1// RUN: %clang_cc1 -fblocks -fobjc-arc -fobjc-runtime-has-weak -debug-info-kind=limited -triple x86_64-apple-darwin -emit-llvm %s -o - | FileCheck %s
2
3// CHECK: !DILocalVariable(name: "foo", {{.*}}type: ![[FOOTY:[0-9]+]])
4// CHECK: ![[FOOTY]] = {{.*}}!DICompositeType({{.*}}, name: "Foo"
5
6// CHECK-NOT: DIFlagBlockByrefStruct
7// CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "__block_literal_1",
8// CHECK-SAME:             size: 320, elements: ![[BL_ELTS:[0-9]+]])
9// CHECK: ![[BL_ELTS]] = !{{.*}}![[WFOO:[0-9]+]]}
10
11// Test that the foo is aligned at an 8 byte boundary in the DWARF
12// expression (256) that locates it inside of the byref descriptor:
13// CHECK: ![[WFOO]] = !DIDerivedType(tag: DW_TAG_member, name: "foo",
14// CHECK-SAME:                       baseType: ![[PTR:[0-9]+]]
15// CHECK-SAME:                       offset: 256)
16
17// CHECK: ![[PTR]] = !DIDerivedType(tag: DW_TAG_pointer_type,
18// CHECK-SAME:                      baseType: ![[WRAPPER:[0-9]+]]
19// CHECK: ![[WRAPPER]] = !DICompositeType(tag: DW_TAG_structure_type, scope:
20// CHECK:                                 elements: ![[WR_ELTS:[0-9]+]])
21// CHECK: ![[WR_ELTS]] = !{{.*}}![[WFOO:[0-9]+]]}
22// CHECK: ![[WFOO]] = !DIDerivedType(tag: DW_TAG_member, name: "foo",
23// CHECK-SAME:                       baseType: ![[FOOTY]]
24
25// CHECK: !DILocalVariable(name: "foo", {{.*}}type: ![[FOOTY]])
26
27
28struct Foo {
29  unsigned char *data;
30};
31int func() {
32  __attribute__((__blocks__(byref))) struct Foo foo;
33  ^{ foo.data = 0; }();
34  return 0;
35}
36