1 // Test for DebugInfo for Defaulted parameters for C++ templates
2 // Supported: -O0, standalone DI
3
4 // RUN: %clang_cc1 -emit-llvm %std_cxx11-14 -dwarf-version=5 -triple x86_64 %s -O0 -disable-llvm-passes -debug-info-kind=standalone -o - | FileCheck %s --check-prefixes=CHECK,PRE17
5 // RUN: %clang_cc1 -emit-llvm %std_cxx17- -dwarf-version=5 -triple x86_64 %s -O0 -disable-llvm-passes -debug-info-kind=standalone -o - | FileCheck %s --check-prefixes=CHECK,CXX17
6 // RUN: %clang_cc1 -emit-llvm %std_cxx17- -dwarf-version=4 -triple x86_64 %s -O0 -disable-llvm-passes -debug-info-kind=standalone -o - | FileCheck %s --check-prefixes=CHECK,CXX17
7
8 // CHECK: DILocalVariable(name: "f1", {{.*}}, type: ![[TEMPLATE_TYPE:[0-9]+]]
9 // CHECK: [[TEMPLATE_TYPE]] = {{.*}}!DICompositeType({{.*}}, templateParams: ![[F1_TYPE:[0-9]+]]
10 // CHECK: [[F1_TYPE]] = !{![[FIRST:[0-9]+]], ![[SECOND:[0-9]+]], ![[THIRD:[0-9]+]], ![[FORTH:[0-9]+]], ![[FIFTH:[0-9]+]]}
11 // CHECK: [[FIRST]] = !DITemplateTypeParameter(name: "T", type: !{{[0-9]*}})
12 // CHECK: [[SECOND]] = !DITemplateValueParameter(name: "i", type: !{{[0-9]*}}, value: i32 6)
13 // PRE17: [[THIRD]] = !DITemplateValueParameter(name: "b", type: !{{[0-9]*}}, value: i8 0)
14 // CXX17: [[THIRD]] = !DITemplateValueParameter(name: "b", type: !{{[0-9]*}}, value: i1 false)
15 // CHECK: [[FIFTH]] = !DITemplateTypeParameter(name: "d", type: !{{[0-9]*}})
16
17 // CHECK: DILocalVariable(name: "f2", {{.*}}, type: ![[TEMPLATE_TYPE:[0-9]+]]
18 // CHECK: [[TEMPLATE_TYPE]] = {{.*}}!DICompositeType({{.*}}, templateParams: ![[F2_TYPE:[0-9]+]]
19 // CHECK: [[F2_TYPE]] = !{![[FIRST:[0-9]+]], ![[SECOND:[0-9]+]], ![[THIRD:[0-9]+]], ![[FORTH:[0-9]+]], ![[FIFTH:[0-9]+]]}
20 // CHECK: [[FIRST]] = !DITemplateTypeParameter(name: "T", type: !{{[0-9]*}}, defaulted: true)
21 // CHECK: [[SECOND]] = !DITemplateValueParameter(name: "i", type: !{{[0-9]*}}, defaulted: true, value: i32 3)
22 // PRE17: [[THIRD]] = !DITemplateValueParameter(name: "b", type: !{{[0-9]*}}, defaulted: true, value: i8 1)
23 // CXX17: [[THIRD]] = !DITemplateValueParameter(name: "b", type: !{{[0-9]*}}, defaulted: true, value: i1 true)
24 // CHECK: [[FIFTH]] = !DITemplateTypeParameter(name: "d", type: !{{[0-9]*}}, defaulted: true)
25
26 // CHECK: DILocalVariable(name: "b1", {{.*}}, type: ![[TEMPLATE_TYPE:[0-9]+]]
27 // CHECK: [[TEMPLATE_TYPE]] = {{.*}}!DICompositeType({{.*}}, templateParams: ![[B1_TYPE:[0-9]+]]
28 // CHECK: [[B1_TYPE]] = !{![[FIRST:[0-9]+]]}
29 // CHECK: [[FIRST]] = !DITemplateValueParameter(tag: DW_TAG_GNU_template_template_param, name: "CT", value: !"qux")
30
31 // CHECK: DILocalVariable(name: "b2", {{.*}}, type: ![[TEMPLATE_TYPE:[0-9]+]]
32 // CHECK: [[TEMPLATE_TYPE]] = {{.*}}!DICompositeType({{.*}}, templateParams: ![[B2_TYPE:[0-9]+]]
33 // CHECK: [[B2_TYPE]] = !{![[FIRST:[0-9]+]]}
34 // CHECK: [[FIRST]] = !DITemplateValueParameter(tag: DW_TAG_GNU_template_template_param, name: "CT", defaulted: true, value: !"bar")
35
36 template <typename T>
37 class bar {
38 };
39
40 template <typename T>
41 class qux {
42 };
43
44 template <typename T = char, int i = 3, bool b = true, int x = sizeof(T),
45 typename d = bar<T>>
46 class foo {
47 };
48
49 template <template <typename T> class CT = bar>
50 class baz {
51 };
52
main()53 int main() {
54 foo<int, 6, false, 3, double> f1;
55 foo<> f2;
56 baz<qux> b1;
57 baz<> b2;
58 return 0;
59 }
60