Revert Anders r45191 commit...it broke several of the tests.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@45199 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Sema/SemaDecl.cpp b/Sema/SemaDecl.cpp
index f5115db..c53ca42 100644
--- a/Sema/SemaDecl.cpp
+++ b/Sema/SemaDecl.cpp
@@ -1653,14 +1653,8 @@
   const char *attrName = rawAttr->getAttributeName()->getName();
   unsigned attrLen = rawAttr->getAttributeName()->getLength();
   
-  // Normalize the attribute name, __foo__ becomes foo.
-  if (attrLen > 4 && attrName[0] == '_' && attrName[1] == '_' &&
-      attrName[attrLen - 2] == '_' && attrName[attrLen - 1] == '-') {
-    attrName += 2;
-    attrLen -= 4;
-  }
-    
-  if (attrLen == 11 && !memcmp(attrName, "vector_size", 11)) {
+  if (!strcmp(rawAttr->getAttributeName()->getName(), "vector_size") ||
+      !strcmp(rawAttr->getAttributeName()->getName(), "__vector_size__")) {
     if (ValueDecl *vDecl = dyn_cast<ValueDecl>(New)) {
       QualType newType = HandleVectorTypeAttribute(vDecl->getType(), rawAttr);
       if (!newType.isNull()) // install the new vector type into the decl
@@ -1672,7 +1666,9 @@
       if (!newType.isNull()) // install the new vector type into the decl
         tDecl->setUnderlyingType(newType);
     }
-  } else if (attrLen == 15 && !memcmp(attrName, "ocu_vector_type", 15)) {
+  }
+  if (!strcmp(rawAttr->getAttributeName()->getName(), "ocu_vector_type") ||
+      !strcmp(rawAttr->getAttributeName()->getName(), "__ocu_vector_type__")) {
     if (TypedefDecl *tDecl = dyn_cast<TypedefDecl>(New))
       HandleOCUVectorTypeAttribute(tDecl, rawAttr);
     else