diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -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 e153842..787a81a 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -5044,7 +5044,6 @@ static SDValue simplifyDivRem(SDNode *N, SelectionDAG &DAG) { unsigned Opc = N->getOpcode(); bool IsDiv = (ISD::SDIV == Opc) || (ISD::UDIV == Opc); - ConstantSDNode *N1C = isConstOrConstSplat(N1); // X / undef -> undef // X % undef -> undef @@ -5076,7 +5075,7 @@ static SDValue simplifyDivRem(SDNode *N, SelectionDAG &DAG) { // division-by-zero or remainder-by-zero, so assume the divisor is 1. // TODO: Similarly, if we're zero-extending a boolean divisor, then assume // it's a 1. - if ((N1C && N1C->isOne()) || (VT.getScalarType() == MVT::i1)) + if (isOneOrOneSplat(N1) || (VT.getScalarType() == MVT::i1)) return IsDiv ? N0 : DAG.getConstant(0, DL, VT); return SDValue(); |