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[DAGCombiner] move comment closer to the corresponding code; NFC 

llvm-svn: 344255
This commit is contained in:
Sanjay Patel 2018-10-11 16:07:25 +00:00
parent e98be18311
commit 4875662e57
1 changed files with 1 additions and 2 deletions
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3
llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
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@ -15451,14 +15451,13 @@ SDValue DAGCombiner::ReplaceExtractVectorEltOfLoadWithNarrowedLoad(
}
SDValue DAGCombiner::visitEXTRACT_VECTOR_ELT(SDNode *N) {
// (vextract (scalar_to_vector val, 0) -> val
SDValue InVec = N->getOperand(0);
EVT VT = InVec.getValueType();
EVT NVT = N->getValueType(0);
if (InVec.isUndef())
return DAG.getUNDEF(NVT);
// (vextract (scalar_to_vector val, 0) -> val
if (InVec.getOpcode() == ISD::SCALAR_TO_VECTOR) {
// Check if the result type doesn't match the inserted element type. A
// SCALAR_TO_VECTOR may truncate the inserted element and the