diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 48bb2024e4..4d5dcd780e 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -731,8 +731,8 @@ SDOperand DAGCombiner::visitSDIV(SDNode *N) { if (TLI.MaskedValueIsZero(N1, SignBit) && TLI.MaskedValueIsZero(N0, SignBit)) return DAG.getNode(ISD::UDIV, N1.getValueType(), N0, N1); - // fold (sdiv X, pow2) -> simple ops. - if (N1C && N1C->getValue() && !TLI.isIntDivCheap() && + // fold (sdiv X, pow2) -> simple ops after legalize + if (N1C && N1C->getValue() && !TLI.isIntDivCheap() && AfterLegalize && (isPowerOf2_64(N1C->getSignExtended()) || isPowerOf2_64(-N1C->getSignExtended()))) { // If dividing by powers of two is cheap, then don't perform the following |