From 056abd2059c65a3e908193aeae16fad98017437c Mon Sep 17 00:00:00 2001
From: dim <dim@FreeBSD.org>
Date: Sun, 2 Dec 2012 13:20:44 +0000
Subject: Vendor import of clang release_32 branch r168974 (effectively, 3.2
 RC2): http://llvm.org/svn/llvm-project/cfe/branches/release_32@168974

---
 lib/CodeGen/CGRTTI.cpp | 17 ++++++-----------
 1 file changed, 6 insertions(+), 11 deletions(-)

(limited to 'lib/CodeGen/CGRTTI.cpp')

diff --git a/lib/CodeGen/CGRTTI.cpp b/lib/CodeGen/CGRTTI.cpp
index d1b370a..7c83d39 100644
--- a/lib/CodeGen/CGRTTI.cpp
+++ b/lib/CodeGen/CGRTTI.cpp
@@ -105,7 +105,6 @@ public:
   /// BuildTypeInfo - Build the RTTI type info struct for the given type.
   ///
   /// \param Force - true to force the creation of this RTTI value
-  /// \param ForEH - true if this is for exception handling
   llvm::Constant *BuildTypeInfo(QualType Ty, bool Force = false);
 };
 }
@@ -779,28 +778,24 @@ static unsigned ComputeVMIClassTypeInfoFlags(const CXXBaseSpecifier *Base,
     cast<CXXRecordDecl>(Base->getType()->getAs<RecordType>()->getDecl());
   
   if (Base->isVirtual()) {
-    if (Bases.VirtualBases.count(BaseDecl)) {
+    // Mark the virtual base as seen.
+    if (!Bases.VirtualBases.insert(BaseDecl)) {
       // If this virtual base has been seen before, then the class is diamond
       // shaped.
       Flags |= RTTIBuilder::VMI_DiamondShaped;
     } else {
       if (Bases.NonVirtualBases.count(BaseDecl))
         Flags |= RTTIBuilder::VMI_NonDiamondRepeat;
-
-      // Mark the virtual base as seen.
-      Bases.VirtualBases.insert(BaseDecl);
     }
   } else {
-    if (Bases.NonVirtualBases.count(BaseDecl)) {
+    // Mark the non-virtual base as seen.
+    if (!Bases.NonVirtualBases.insert(BaseDecl)) {
       // If this non-virtual base has been seen before, then the class has non-
       // diamond shaped repeated inheritance.
       Flags |= RTTIBuilder::VMI_NonDiamondRepeat;
     } else {
       if (Bases.VirtualBases.count(BaseDecl))
         Flags |= RTTIBuilder::VMI_NonDiamondRepeat;
-        
-      // Mark the non-virtual base as seen.
-      Bases.NonVirtualBases.insert(BaseDecl);
     }
   }
 
@@ -891,7 +886,7 @@ void RTTIBuilder::BuildVMIClassTypeInfo(const CXXRecordDecl *RD) {
       Offset = Layout.getBaseClassOffset(BaseDecl);
     };
     
-    OffsetFlags = Offset.getQuantity() << 8;
+    OffsetFlags = uint64_t(Offset.getQuantity()) << 8;
     
     // The low-order byte of __offset_flags contains flags, as given by the 
     // masks from the enumeration __offset_flags_masks.
@@ -982,7 +977,7 @@ llvm::Constant *CodeGenModule::GetAddrOfRTTIDescriptor(QualType Ty,
   // Return a bogus pointer if RTTI is disabled, unless it's for EH.
   // FIXME: should we even be calling this method if RTTI is disabled
   // and it's not for EH?
-  if (!ForEH && !getContext().getLangOpts().RTTI)
+  if (!ForEH && !getLangOpts().RTTI)
     return llvm::Constant::getNullValue(Int8PtrTy);
   
   if (ForEH && Ty->isObjCObjectPointerType() &&
-- 
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