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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2019-03-06 11:04:21 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2019-03-06 11:04:21 +0000 |
| commit | 642f53d292c884d39e9b1a45c74ea67617f871f0 (patch) | |
| tree | e5018c94b8f8367b41fa3aef085fb9918e5136dc /llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | |
| parent | 468bb2e601ad96a5c4c563547ba28cbde6c33300 (diff) | |
| download | bcm5719-llvm-642f53d292c884d39e9b1a45c74ea67617f871f0.tar.gz bcm5719-llvm-642f53d292c884d39e9b1a45c74ea67617f871f0.zip | |
[DAGCombiner] Enable SMULO/UMULO vector combine support (PR40442)
Differential Revision: https://reviews.llvm.org/D58968
llvm-svn: 355495
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index a53219aa357..c99bb535b1d 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -3803,7 +3803,7 @@ SDValue DAGCombiner::visitUMUL_LOHI(SDNode *N) { SDValue DAGCombiner::visitSMULO(SDNode *N) { // (smulo x, 2) -> (saddo x, x) - if (ConstantSDNode *C2 = dyn_cast<ConstantSDNode>(N->getOperand(1))) + if (ConstantSDNode *C2 = isConstOrConstSplat(N->getOperand(1))) if (C2->getAPIntValue() == 2) return DAG.getNode(ISD::SADDO, SDLoc(N), N->getVTList(), N->getOperand(0), N->getOperand(0)); @@ -3813,7 +3813,7 @@ SDValue DAGCombiner::visitSMULO(SDNode *N) { SDValue DAGCombiner::visitUMULO(SDNode *N) { // (umulo x, 2) -> (uaddo x, x) - if (ConstantSDNode *C2 = dyn_cast<ConstantSDNode>(N->getOperand(1))) + if (ConstantSDNode *C2 = isConstOrConstSplat(N->getOperand(1))) if (C2->getAPIntValue() == 2) return DAG.getNode(ISD::UADDO, SDLoc(N), N->getVTList(), N->getOperand(0), N->getOperand(0)); |
