MS ABI: Implement mangling for ref-qualifiers on methods

Mangle ref-qualifiers like the Nov 2013 CTP.

This fixes PR19361.

llvm-svn: 206946

1 files changed, 20 insertions, 0 deletions

diff --git a/clang/lib/AST/MicrosoftMangle.cpp b/clang/lib/AST/MicrosoftMangle.cpp
index 1c713d0514a..edea497d994 100644
--- a/clang/lib/AST/MicrosoftMangle.cpp
+++ b/clang/lib/AST/MicrosoftMangle.cpp
@@ -236,6 +236,7 @@ private:
   void mangleOperatorName(OverloadedOperatorKind OO, SourceLocation Loc);
   void mangleCXXDtorType(CXXDtorType T);
   void mangleQualifiers(Qualifiers Quals, bool IsMember);
+  void mangleRefQualifier(RefQualifierKind RefQualifier);
   void manglePointerCVQualifiers(Qualifiers Quals);
   void manglePointerExtQualifiers(Qualifiers Quals, const Type *PointeeType);
 
@@ -1257,6 +1258,24 @@ void MicrosoftCXXNameMangler::mangleQualifiers(Qualifiers Quals,
 }
 
 void
+MicrosoftCXXNameMangler::mangleRefQualifier(RefQualifierKind RefQualifier) {
+  // <ref-qualifier> ::= G                # lvalue reference
+  //                 ::= H                # rvalue-reference
+  switch (RefQualifier) {
+  case RQ_None:
+    break;
+
+  case RQ_LValue:
+    Out << 'G';
+    break;
+
+  case RQ_RValue:
+    Out << 'H';
+    break;
+  }
+}
+
+void
 MicrosoftCXXNameMangler::manglePointerExtQualifiers(Qualifiers Quals,
                                                     const Type *PointeeType) {
   bool HasRestrict = Quals.hasRestrict();
@@ -1519,6 +1538,7 @@ void MicrosoftCXXNameMangler::mangleFunctionType(const FunctionType *T,
   if (IsInstMethod) {
     Qualifiers Quals = Qualifiers::fromCVRMask(Proto->getTypeQuals());
     manglePointerExtQualifiers(Quals, 0);
+    mangleRefQualifier(Proto->getRefQualifier());
     mangleQualifiers(Quals, false);
   }