| // RUN: %clang_cc1 -triple x86_64-unk-unk -o - -emit-llvm -debug-info-kind=standalone -gtemplate-alias %s -gsimple-template-names=simple \ |
| // RUN: | FileCheck %s |
| |
| //// Check that -gtemplate-alias causes DW_TAG_template_alias emission for |
| //// template aliases with default parameter values. See template-alias.cpp for |
| //// more template alias tests. |
| //// FIXME: We currently do not emit defaulted arguments. |
| |
| template<typename T> |
| struct X { |
| char m; |
| }; |
| |
| template<typename T> |
| struct Y { |
| char n; |
| }; |
| |
| template <typename NonDefault, template <typename C> class T = Y, int I = 5, typename... Ts> |
| using A = X<NonDefault>; |
| |
| //// We should be able to emit type alias metadata which describes all the |
| //// values, including the defaulted parameters and empty parameter pack. |
| A<int> a; |
| |
| // CHECK: !DIDerivedType(tag: DW_TAG_template_alias, name: "A", file: ![[#]], line: [[#]], baseType: ![[baseType:[0-9]+]], extraData: ![[extraData:[0-9]+]]) |
| // CHECK: ![[baseType]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "X", |
| // CHECK: ![[int:[0-9]+]] = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| // CHECK: ![[extraData]] = !{![[NonDefault:[0-9]+]]} |
| // CHECK: ![[NonDefault]] = !DITemplateTypeParameter(name: "NonDefault", type: ![[int]]) |
| |
| //// FIXME: Ideally, we would describe the deafulted args, like this: |
| // : ![[extraData]] = !{![[NonDefault:[0-9]+]], ![[T:[0-9]+]], ![[I:[0-9]+]], ![[Ts:[0-9]+]]} |
| // : ![[NonDefault]] = !DITemplateTypeParameter(name: "NonDefault", type: ![[int]]) |
| // : ![[T]] = !DITemplateValueParameter(tag: DW_TAG_GNU_template_template_param, name: "T", defaulted: true, value: !"Y") |
| // : ![[I]] = !DITemplateValueParameter(name: "I", type: ![[int]], defaulted: true, value: i32 5) |
| // : ![[Ts]] = !DITemplateValueParameter(tag: DW_TAG_GNU_template_parameter_pack, name: "Ts", value: ![[types:[0-9]+]]) |
| // : ![[types]] = !{} |
