1 // RUN: %clang_cc1 -emit-llvm -gdwarf-4 -triple x86_64-linux-gnu %s -o - | FileCheck %s
2 
3 // Make sure that we emit a global variable for each of the members of the
4 // anonymous union.
5 
6 static union {
7   int c;
8   int d;
9   union {
10     int a;
11   };
12   struct {
13     int b;
14   };
15 };
16 
17 int test_it() {
18   c = 1;
19   d = 2;
20   a = 4;
21   return (c == 1);
22 }
23 
24 void foo() {
25   union {
26     int i;
27     char c;
28   };
29   i = 8;
30 }
31 
32 // CHECK: [[FILE:.*]] = !DIFile(filename: "{{.*}}debug-info-anon-union-vars.cpp",
33 // CHECK: !DIGlobalVariable(name: "c",{{.*}} file: [[FILE]], line: 6,{{.*}} isLocal: true, isDefinition: true
34 // CHECK: !DIGlobalVariable(name: "d",{{.*}} file: [[FILE]], line: 6,{{.*}} isLocal: true, isDefinition: true
35 // CHECK: !DIGlobalVariable(name: "a",{{.*}} file: [[FILE]], line: 6,{{.*}} isLocal: true, isDefinition: true
36 // CHECK: !DIGlobalVariable(name: "b",{{.*}} file: [[FILE]], line: 6,{{.*}} isLocal: true, isDefinition: true
37 // CHECK: !DILocalVariable(name: "i", {{.*}}, flags: DIFlagArtificial
38 // CHECK: !DILocalVariable(name: "c", {{.*}}, flags: DIFlagArtificial
39 // CHECK: !DILocalVariable(
40 // CHECK-NOT: name:
41 // CHECK: type: ![[UNION:[0-9]+]]
42 // CHECK: ![[UNION]] = !DICompositeType(tag: DW_TAG_union_type,
43 // CHECK-NOT: name:
44 // CHECK: elements
45 // CHECK: !DIDerivedType(tag: DW_TAG_member, name: "i", scope: ![[UNION]],
46 // CHECK: !DIDerivedType(tag: DW_TAG_member, name: "c", scope: ![[UNION]],
47