From: Douglas Gregor <dgregor@apple.com>
Date: Sat, 3 Dec 2011 18:24:43 +0000 (+0000)
Subject: Fix mangling substitutions for address-space-qualified class
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=14795c86f1c37874afa332a7b9bc18e6a02bf420;p=clang

Fix mangling substitutions for address-space-qualified class
types. Patch from Dmitri Rubinstein!


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145776 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/AST/ItaniumMangle.cpp b/lib/AST/ItaniumMangle.cpp
index b2e1d20ca0..1e71a627ce 100644
--- a/lib/AST/ItaniumMangle.cpp
+++ b/lib/AST/ItaniumMangle.cpp
@@ -2984,8 +2984,15 @@ bool CXXNameMangler::mangleSubstitution(const NamedDecl *ND) {
   return mangleSubstitution(reinterpret_cast<uintptr_t>(ND));
 }
 
+/// \brief Determine whether the given type has any qualifiers that are
+/// relevant for substitutions.
+static bool hasMangledSubstitutionQualifiers(QualType T) {
+  Qualifiers Qs = T.getQualifiers();
+  return Qs.getCVRQualifiers() || Qs.hasAddressSpace();
+}
+
 bool CXXNameMangler::mangleSubstitution(QualType T) {
-  if (!T.getCVRQualifiers()) {
+  if (!hasMangledSubstitutionQualifiers(T)) {
     if (const RecordType *RT = T->getAs<RecordType>())
       return mangleSubstitution(RT->getDecl());
   }
@@ -3171,7 +3178,7 @@ bool CXXNameMangler::mangleStandardSubstitution(const NamedDecl *ND) {
 }
 
 void CXXNameMangler::addSubstitution(QualType T) {
-  if (!T.getCVRQualifiers()) {
+  if (!hasMangledSubstitutionQualifiers(T)) {
     if (const RecordType *RT = T->getAs<RecordType>()) {
       addSubstitution(RT->getDecl());
       return;
diff --git a/test/CodeGenCXX/mangle-address-space.cpp b/test/CodeGenCXX/mangle-address-space.cpp
index fbbcbfa35b..ff23c20691 100644
--- a/test/CodeGenCXX/mangle-address-space.cpp
+++ b/test/CodeGenCXX/mangle-address-space.cpp
@@ -4,3 +4,9 @@
 void f0(char *p) { }
 // CHECK: define void @_Z2f0PU3AS1c
 void f0(char __attribute__((address_space(1))) *p) { }
+
+struct OpaqueType;
+typedef OpaqueType __attribute__((address_space(100))) * OpaqueTypePtr;
+
+// CHECK: define void @_Z2f0PU5AS10010OpaqueType
+void f0(OpaqueTypePtr) { }