diff options
| author | Artur Pilipenko <apilipenko@azulsystems.com> | 2017-02-06 17:48:08 +0000 |
|---|---|---|
| committer | Artur Pilipenko <apilipenko@azulsystems.com> | 2017-02-06 17:48:08 +0000 |
| commit | d3464bf9adc283bd5f75756bf99074f195117509 (patch) | |
| tree | d5392b1a21686dc30d96604e380e78b4dcc00352 /llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | |
| parent | a8ebc34252d42628038de1bb7d566c56a8dcbdd5 (diff) | |
| download | bcm5719-llvm-d3464bf9adc283bd5f75756bf99074f195117509.tar.gz bcm5719-llvm-d3464bf9adc283bd5f75756bf99074f195117509.zip | |
[DAGCombiner] Support bswap as a part of load combine patterns
Reviewed By: RKSimon
Differential Revision: https://reviews.llvm.org/D29397
llvm-svn: 294201
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 02221d700bf..97ec5d6b2d7 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -4463,6 +4463,9 @@ const Optional<ByteProvider> calculateByteProvider(SDValue Op, unsigned Index, ? ByteProvider::getConstantZero() : calculateByteProvider(NarrowOp, Index, Depth + 1); } + case ISD::BSWAP: + return calculateByteProvider(Op->getOperand(0), ByteWidth - Index - 1, + Depth + 1); case ISD::LOAD: { auto L = cast<LoadSDNode>(Op.getNode()); |
