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| author | Sanjay Patel <spatel@rotateright.com> | 2018-10-11 16:07:25 +0000 |
|---|---|---|
| committer | Sanjay Patel <spatel@rotateright.com> | 2018-10-11 16:07:25 +0000 |
| commit | 4875662e57037468d01c00304ba93fdc3650b492 (patch) | |
| tree | 3e35884134e1a04d99eed63f6691d3ea34c37c97 /llvm/lib/CodeGen/SelectionDAG | |
| parent | e98be183117c3d5537d322a0d126ee92a8330543 (diff) | |
| download | bcm5719-llvm-4875662e57037468d01c00304ba93fdc3650b492.tar.gz bcm5719-llvm-4875662e57037468d01c00304ba93fdc3650b492.zip | |
[DAGCombiner] move comment closer to the corresponding code; NFC
llvm-svn: 344255
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index eca5d8369eb..4a80c1d358d 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -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 |
