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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2016-10-19 11:28:15 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2016-10-19 11:28:15 +0000 |
| commit | 7dcb6e572ec7d62cc6744df4452fc7ef80f20c36 (patch) | |
| tree | adda9bcd0f18ae82f17c46896691ca4b759efb56 /llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | |
| parent | c774a23bd9b704d0c114378be0cd3a262e5628ce (diff) | |
| download | bcm5719-llvm-7dcb6e572ec7d62cc6744df4452fc7ef80f20c36.tar.gz bcm5719-llvm-7dcb6e572ec7d62cc6744df4452fc7ef80f20c36.zip | |
[DAGCombiner] Just call isConstOrConstSplat directly. NFCI.
This will get the same ConstantSDNode scalar or vector splat value as the current separate dyn_cast<ConstantSDNode> / isVector() approach.
llvm-svn: 284578
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 6a047ac0915..9384d47b641 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -4704,13 +4704,11 @@ SDValue DAGCombiner::visitSRA(SDNode *N) { return N0; // fold vector ops - ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1); - if (VT.isVector()) { + if (VT.isVector()) if (SDValue FoldedVOp = SimplifyVBinOp(N)) return FoldedVOp; - N1C = isConstOrConstSplat(N1); - } + ConstantSDNode *N1C = isConstOrConstSplat(N1); // fold (sra c1, c2) -> (sra c1, c2) ConstantSDNode *N0C = getAsNonOpaqueConstant(N0); @@ -4856,13 +4854,11 @@ SDValue DAGCombiner::visitSRL(SDNode *N) { unsigned OpSizeInBits = VT.getScalarSizeInBits(); // fold vector ops - ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1); - if (VT.isVector()) { + if (VT.isVector()) if (SDValue FoldedVOp = SimplifyVBinOp(N)) return FoldedVOp; - N1C = isConstOrConstSplat(N1); - } + ConstantSDNode *N1C = isConstOrConstSplat(N1); // fold (srl c1, c2) -> c1 >>u c2 ConstantSDNode *N0C = getAsNonOpaqueConstant(N0); |
