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| author | Ahmed Bougacha <ahmed.bougacha@gmail.com> | 2016-02-15 18:07:29 +0000 |
|---|---|---|
| committer | Ahmed Bougacha <ahmed.bougacha@gmail.com> | 2016-02-15 18:07:29 +0000 |
| commit | 93cff7fb82c861b3ad99872444ebd301d35f9cce (patch) | |
| tree | 903bc91bf6bffaa9d3f2ee9ea56c2cfe8eec1404 /llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp | |
| parent | 7c920e611c47d3f741a913ccc3a458471e9e9679 (diff) | |
| download | llvm-93cff7fb82c861b3ad99872444ebd301d35f9cce.zip llvm-93cff7fb82c861b3ad99872444ebd301d35f9cce.tar.gz llvm-93cff7fb82c861b3ad99872444ebd301d35f9cce.tar.bz2 | |
[CodeGen] Document and use getConstant's splat-building feature. NFC.
Differential Revision: http://reviews.llvm.org/D17229
llvm-svn: 260901
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp index c6ebdb5..e9f24a1 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp @@ -863,10 +863,7 @@ SDValue VectorLegalizer::ExpandZERO_EXTEND_VECTOR_INREG(SDValue Op) { int NumSrcElements = SrcVT.getVectorNumElements(); // Build up a zero vector to blend into this one. - EVT SrcScalarVT = SrcVT.getScalarType(); - SDValue ScalarZero = DAG.getTargetConstant(0, DL, SrcScalarVT); - SmallVector<SDValue, 4> BuildVectorOperands(NumSrcElements, ScalarZero); - SDValue Zero = DAG.getNode(ISD::BUILD_VECTOR, DL, SrcVT, BuildVectorOperands); + SDValue Zero = DAG.getTargetConstant(0, DL, SrcVT); // Shuffle the incoming lanes into the correct position, and pull all other // lanes from the zero vector. |