supported: AltiVec vector initialization with a single literal according to PIM section 2.5.1 - after initialization all elements have the value specified by the literal

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128375 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 10 insertions, 0 deletions

diff --git a/lib/Sema/SemaCXXCast.cpp b/lib/Sema/SemaCXXCast.cpp
index 557d27a943..d10042ad03 100644
--- a/lib/Sema/SemaCXXCast.cpp
+++ b/lib/Sema/SemaCXXCast.cpp
@@ -1517,6 +1517,16 @@ Sema::CXXCheckCStyleCast(SourceRange R, QualType CastTy, ExprValueKind &VK,
     return ret;
   }
 
+  // Case of AltiVec vector initialization with a single literal
+  if (CastTy->isVectorType()
+      && CastTy->getAs<VectorType>()->getVectorKind() ==
+         VectorType::AltiVecVector
+      && (CastExpr->getType()->isIntegerType()
+          || CastExpr->getType()->isFloatingType())) {
+    Kind = CK_VectorSplat;
+    return false;
+  }
+
   // Make sure we determine the value kind before we bail out for
   // dependent types.
   VK = Expr::getValueKindForType(CastTy);