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| author | Sanjay Patel <spatel@rotateright.com> | 2017-04-19 22:00:00 +0000 |
|---|---|---|
| committer | Sanjay Patel <spatel@rotateright.com> | 2017-04-19 22:00:00 +0000 |
| commit | 0658a95a350fe312a4a60bc340600f582755fd23 (patch) | |
| tree | 893f0642883f33d25ced1d1392206974d775157b /llvm/lib | |
| parent | 4a3a870da9fb88e2c5f6be4e603121a5b89d968e (diff) | |
| download | bcm5719-llvm-0658a95a350fe312a4a60bc340600f582755fd23.tar.gz bcm5719-llvm-0658a95a350fe312a4a60bc340600f582755fd23.zip | |
[DAG] add splat vector support for 'or' in SimplifyDemandedBits
I've changed one of the tests to not fold away, but we didn't and still don't do the transform
that the comment claims we do (and I don't know why we'd want to do that).
Follow-up to:
https://reviews.llvm.org/rL300725
https://reviews.llvm.org/rL300763
llvm-svn: 300772
Diffstat (limited to 'llvm/lib')
| -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 9f50bfe7bfb..66afc905ca0 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -4225,8 +4225,7 @@ SDValue DAGCombiner::visitOR(SDNode *N) { return Load; // Simplify the operands using demanded-bits information. - if (!VT.isVector() && - SimplifyDemandedBits(SDValue(N, 0))) + if (SimplifyDemandedBits(SDValue(N, 0))) return SDValue(N, 0); return SDValue(); |
