Revert r78535, it is causing a number of failures to build projects.

--- Reverse-merging r78535 into '.':
D    test/Sema/altivec-init.c
U    include/clang/Basic/DiagnosticSemaKinds.td
U    include/clang/AST/Expr.h
U    include/clang/AST/StmtNodes.def
U    include/clang/Parse/Parser.h
U    include/clang/Parse/Action.h
U    tools/clang-cc/clang-cc.cpp
U    lib/Frontend/PrintParserCallbacks.cpp
U    lib/CodeGen/CGExprScalar.cpp
U    lib/Sema/SemaInit.cpp
U    lib/Sema/Sema.h
U    lib/Sema/SemaExpr.cpp
U    lib/Sema/SemaTemplateInstantiateExpr.cpp
U    lib/AST/StmtProfile.cpp
U    lib/AST/Expr.cpp
U    lib/AST/StmtPrinter.cpp
U    lib/Parse/ParseExpr.cpp
U    lib/Parse/ParseExprCXX.cpp


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78551 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 38 deletions

diff --git a/lib/Sema/SemaInit.cpp b/lib/Sema/SemaInit.cpp
index 1e564ce45f..29113822f7 100644
--- a/lib/Sema/SemaInit.cpp
+++ b/lib/Sema/SemaInit.cpp
@@ -805,47 +805,16 @@ void InitListChecker::CheckVectorType(InitListExpr *IList, QualType DeclType,
                                       unsigned &StructuredIndex) {
   if (Index < IList->getNumInits()) {
     const VectorType *VT = DeclType->getAsVectorType();
-    unsigned maxElements = VT->getNumElements();
-    unsigned numEltsInit = 0;
+    int maxElements = VT->getNumElements();
     QualType elementType = VT->getElementType();
     
-    if (!SemaRef.getLangOptions().OpenCL) {
-      for (unsigned i = 0; i < maxElements; ++i, ++numEltsInit) {
-        // Don't attempt to go past the end of the init list
-        if (Index >= IList->getNumInits())
-          break;
-        CheckSubElementType(IList, elementType, Index,
-                            StructuredList, StructuredIndex);
-      }
-    } else {
-      // OpenCL initializers allows vectors to be constructed from vectors.
-      for (unsigned i = 0; i < maxElements; ++i) {
-        // Don't attempt to go past the end of the init list
-        if (Index >= IList->getNumInits())
-          break;
-        QualType IType = IList->getInit(Index)->getType();
-        if (!IType->isVectorType()) {
-          CheckSubElementType(IList, elementType, Index,
-                              StructuredList, StructuredIndex);
-          ++numEltsInit;
-        } else {
-          const VectorType *IVT = IType->getAsVectorType();
-          unsigned numIElts = IVT->getNumElements();
-          QualType VecType = SemaRef.Context.getExtVectorType(elementType,
-                                                              numIElts);
-          CheckSubElementType(IList, VecType, Index,
-                              StructuredList, StructuredIndex);
-          numEltsInit += numIElts;
-        }
-      }
+    for (int i = 0; i < maxElements; ++i) {
+      // Don't attempt to go past the end of the init list
+      if (Index >= IList->getNumInits())
+        break;
+      CheckSubElementType(IList, elementType, Index,
+                          StructuredList, StructuredIndex);
     }
-    
-    // OpenCL & AltiVec require all elements to be initialized.
-    if (numEltsInit != maxElements)
-      if (SemaRef.getLangOptions().OpenCL || SemaRef.getLangOptions().AltiVec)
-        SemaRef.Diag(IList->getSourceRange().getBegin(),
-                     diag::err_vector_incorrect_num_initializers)
-          << (numEltsInit < maxElements) << maxElements << numEltsInit;
   }
 }