llvm-project/clang/test/CodeGenCXX/debug-info-fwd-template-param.cpp
Paul Robinson 1787f81221 [DWARF] Allow forward declarations of a class template instantiation
to have child entries describing the template parameters.  This will
be on by default for SCE tuning.

Differential Revision: https://reviews.llvm.org/D14358

llvm-svn: 314444
2017-09-28 18:37:02 +00:00

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// RUN: %clang_cc1 %s -triple=%itanium_abi_triple -debug-info-kind=limited -debug-forward-template-params -emit-llvm -o - | FileCheck --check-prefix=CHILD %s
// RUN: %clang_cc1 %s -triple=%itanium_abi_triple -debug-info-kind=limited -emit-llvm -o - | FileCheck --check-prefix=NONE %s
// A DWARF forward declaration of a template instantiation should have template
// parameter children (if we ask for them).
template<typename T> class A;
A<int> *p;
// CHILD: !DICompositeType(tag: DW_TAG_class_type, name: "A<int>"
// CHILD-SAME: flags: DIFlagFwdDecl
// CHILD-SAME: templateParams: [[PARAM_LIST:![0-9]*]]
// CHILD: [[PARAM_LIST]] = !{[[PARAM:![0-9]*]]}
// CHILD: [[PARAM]] = !DITemplateTypeParameter(name: "T",
// CHILD-SAME: type: [[BTYPE:![0-9]*]]
// CHILD: [[BTYPE]] = !DIBasicType(name: "int"
// NONE: !DICompositeType(tag: DW_TAG_class_type, name: "A<int>"
// NONE-SAME: flags: DIFlagFwdDecl
// NONE-NOT: templateParams:
// NONE-SAME: )