xref: /llvm-project/clang/test/CodeGenCXX/debug-info-alias.cpp (revision 52a9ba7ca4fb9427706c28bb3ca15f7a56eecf3f)
1 // RUN: %clang -g -gno-template-alias -std=c++11 -S -emit-llvm %s -o - | FileCheck %s
2 
3 template<typename T>
4 struct foo {
5 };
6 
7 template<typename T, typename T2 = int>
8 struct baz {
9 };
10 
11 namespace x {
12 // splitting these over multiple lines to make sure the right token is used for
13 // the location
14 template<typename T>
15 using
16 # 42
17 bar
18 = foo<T*>;
19 }
20 
21 // CHECK: !DIGlobalVariable(name: "bi",{{.*}} type: [[BINT:![0-9]+]]
22 x::bar<int> bi;
23 // CHECK: !DIGlobalVariable(name: "bf",{{.*}} type: [[BFLOAT:![0-9]+]]
24 // CHECK: [[BFLOAT]] = !DIDerivedType(tag: DW_TAG_typedef, name: "bar<float>"
25 x::bar<float> bf;
26 // CHECK: !DIGlobalVariable(name: "bz",{{.*}} type: [[BBAZ:![0-9]+]]
27 // CHECK: [[BBAZ]] = !DIDerivedType(tag: DW_TAG_typedef, name: "bar<baz<int,{{ *}}int> >"
28 x::bar<baz<int>> bz;
29 
30 using
31 // CHECK: !DIGlobalVariable(name: "n",{{.*}} type: [[NARF:![0-9]+]]
32 # 142
33 narf // CHECK: [[NARF]] = !DIDerivedType(tag: DW_TAG_typedef, name: "narf"
34 // CHECK-SAME:                           line: 142
35 = int;
36 narf n;
37 
38 template <typename T>
39 using tv = void;
40 // CHECK: !DIDerivedType(tag: DW_TAG_typedef, name: "tv<int>"
41 tv<int> *tvp;
42 
43 using v = void;
44 // CHECK: !DIDerivedType(tag: DW_TAG_typedef, name: "v"
45 v *vp;
46 
47 // CHECK: [[BINT]] = !DIDerivedType(tag: DW_TAG_typedef, name: "bar<int>"
48 // CHECK-SAME:                      line: 42,
49