improve altivec vector bool/pixel support, patch by Anton Yartsev
with several tweaks by me.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@106619 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/ASTImporter.cpp b/lib/AST/ASTImporter.cpp
index e1c2abd..8d347d1 100644
--- a/lib/AST/ASTImporter.cpp
+++ b/lib/AST/ASTImporter.cpp
@@ -440,9 +440,7 @@
       return false;
     if (Vec1->getNumElements() != Vec2->getNumElements())
       return false;
-    if (Vec1->isAltiVec() != Vec2->isAltiVec())
-      return false;
-    if (Vec1->isPixel() != Vec2->isPixel())
+    if (Vec1->getAltiVecSpecific() != Vec2->getAltiVecSpecific())
       return false;
     break;
   }
@@ -1191,8 +1189,7 @@
   
   return Importer.getToContext().getVectorType(ToElementType, 
                                                T->getNumElements(),
-                                               T->isAltiVec(),
-                                               T->isPixel());
+                                               T->getAltiVecSpecific());
 }
 
 QualType ASTNodeImporter::VisitExtVectorType(ExtVectorType *T) {