diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 6fb4c9a8365..604e2313263 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -4678,13 +4678,12 @@ SDValue DAGCombiner::visitSHL(SDNode *N) { } // fold (shl (mul x, c1), c2) -> (mul x, c1 << c2) - if (N0.getOpcode() == ISD::MUL && N0.getNode()->hasOneUse()) { - if (isConstantOrConstantVector(N1, /* No Opaques */ true) && - isConstantOrConstantVector(N0.getOperand(1), /* No Opaques */ true)) { - SDValue Shl = DAG.getNode(ISD::SHL, SDLoc(N1), VT, N0.getOperand(1), N1); - AddToWorklist(Shl.getNode()); - return DAG.getNode(ISD::MUL, SDLoc(N), VT, N0.getOperand(0), Shl); - } + if (N0.getOpcode() == ISD::MUL && N0.getNode()->hasOneUse() && + isConstantOrConstantVector(N1, /* No Opaques */ true) && + isConstantOrConstantVector(N0.getOperand(1), /* No Opaques */ true)) { + SDValue Shl = DAG.getNode(ISD::SHL, SDLoc(N1), VT, N0.getOperand(1), N1); + AddToWorklist(Shl.getNode()); + return DAG.getNode(ISD::MUL, SDLoc(N), VT, N0.getOperand(0), Shl); } if (N1C && !N1C->isOpaque()) |
