Hide FunctionTemplateDecl's specializations folding set as implementation detail and introduce
FunctionTemplateDecl::findSpecialization.
Redeclarations of specializations will not cause the previous decl to be removed from the set,
the set will keep the canonical decl. findSpecialization will return the most recent redeclaration.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108834 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/DeclTemplate.cpp b/lib/AST/DeclTemplate.cpp
index a75c1c0..f308d71 100644
--- a/lib/AST/DeclTemplate.cpp
+++ b/lib/AST/DeclTemplate.cpp
@@ -119,6 +119,16 @@
Decl::Destroy(C);
}
+FunctionDecl *
+FunctionTemplateDecl::findSpecialization(const TemplateArgument *Args,
+ unsigned NumArgs, void *&InsertPos) {
+ llvm::FoldingSetNodeID ID;
+ FunctionTemplateSpecializationInfo::Profile(ID,Args,NumArgs, getASTContext());
+ FunctionTemplateSpecializationInfo *Info
+ = getSpecializations().FindNodeOrInsertPos(ID, InsertPos);
+ return Info ? Info->Function->getMostRecentDeclaration() : 0;
+}
+
FunctionTemplateDecl *FunctionTemplateDecl::getCanonicalDecl() {
FunctionTemplateDecl *FunTmpl = this;
while (FunTmpl->getPreviousDeclaration())