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