Simplify vector splat code. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171350 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGExprScalar.cpp b/lib/CodeGen/CGExprScalar.cpp
index 61126e1..50428e6 100644
--- a/lib/CodeGen/CGExprScalar.cpp
+++ b/lib/CodeGen/CGExprScalar.cpp
@@ -712,17 +712,9 @@
QualType EltTy = DstType->getAs<ExtVectorType>()->getElementType();
llvm::Value *Elt = EmitScalarConversion(Src, SrcType, EltTy);
- // Insert the element in element zero of an undef vector
- llvm::Value *UnV = llvm::UndefValue::get(DstTy);
- llvm::Value *Idx = Builder.getInt32(0);
- UnV = Builder.CreateInsertElement(UnV, Elt, Idx);
-
// Splat the element across to all elements
unsigned NumElements = cast<llvm::VectorType>(DstTy)->getNumElements();
- llvm::Constant *Mask = llvm::ConstantVector::getSplat(NumElements,
- Builder.getInt32(0));
- llvm::Value *Yay = Builder.CreateShuffleVector(UnV, UnV, Mask, "splat");
- return Yay;
+ return Builder.CreateVectorSplat(NumElements, Elt, "splat");
}
// Allow bitcast from vector to integer/fp of the same size.
@@ -1355,17 +1347,9 @@
Elt = EmitScalarConversion(Elt, E->getType(),
DestTy->getAs<VectorType>()->getElementType());
- // Insert the element in element zero of an undef vector
- llvm::Value *UnV = llvm::UndefValue::get(DstTy);
- llvm::Value *Idx = Builder.getInt32(0);
- UnV = Builder.CreateInsertElement(UnV, Elt, Idx);
-
// Splat the element across to all elements
unsigned NumElements = cast<llvm::VectorType>(DstTy)->getNumElements();
- llvm::Constant *Zero = Builder.getInt32(0);
- llvm::Constant *Mask = llvm::ConstantVector::getSplat(NumElements, Zero);
- llvm::Value *Yay = Builder.CreateShuffleVector(UnV, UnV, Mask, "splat");
- return Yay;
+ return Builder.CreateVectorSplat(NumElements, Elt, "splat");;
}
case CK_IntegralCast: