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DebugInfo: Render the canonical name of a class template specialization, even when nested in another class template specialization 

Differential Revision: https://reviews.llvm.org/D63031

llvm-svn: 375304
This commit is contained in:
David Blaikie 2019-10-18 23:58:34 +00:00
parent 937241b0d9
commit 9fdd09a4cc
3 changed files with 10 additions and 2 deletions
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3
clang/lib/AST/TypePrinter.cpp
View File

@ -1204,7 +1204,8 @@ void TypePrinter::printTag(TagDecl *D, raw_ostream &OS) {
// arguments.
if (const auto *Spec = dyn_cast<ClassTemplateSpecializationDecl>(D)) {
ArrayRef<TemplateArgument> Args;
if (TypeSourceInfo *TAW = Spec->getTypeAsWritten()) {
TypeSourceInfo *TAW = Spec->getTypeAsWritten();
if (!Policy.PrintCanonicalTypes && TAW) {
const TemplateSpecializationType *TST =
cast<TemplateSpecializationType>(TAW->getType());
Args = TST->template_arguments();

4
clang/lib/CodeGen/CGDebugInfo.cpp
View File

@ -314,7 +314,9 @@ StringRef CGDebugInfo::getClassName(const RecordDecl *RD) {
if (isa<ClassTemplateSpecializationDecl>(RD)) {
SmallString<128> Name;
llvm::raw_svector_ostream OS(Name);
RD->getNameForDiagnostic(OS, getPrintingPolicy(),
PrintingPolicy PP = getPrintingPolicy();
PP.PrintCanonicalTypes = true;
RD->getNameForDiagnostic(OS, PP,
/*Qualified*/ false);
// Copy this name on the side and use its reference.

5
clang/test/CodeGenCXX/debug-info-template-explicit-specialization.cpp
View File

@ -105,7 +105,12 @@ struct j {
};
extern template class j<int>;
j<int> jj;
template <typename T>
struct j_wrap {
};
j_wrap<j<int>> j_wrap_j;
// CHECK: DICompositeType(tag: DW_TAG_structure_type, name: "j<int, int>"
// CHECK: DICompositeType(tag: DW_TAG_structure_type, name: "j_wrap<j<int, int> >"
template <typename T>
struct k {