diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 3be6b43..aa283ad 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -4605,7 +4605,7 @@ SDValue DAGCombiner::visitBRCOND(SDNode *N) { SDNode *Trunc = 0; if (N1.getOpcode() == ISD::TRUNCATE && N1.hasOneUse()) { - // Look pass truncate. + // Look past truncate. Trunc = N1.getNode(); N1 = N1.getOperand(0); } @@ -4700,7 +4700,9 @@ SDValue DAGCombiner::visitBRCOND(SDNode *N) { Equal = true; } - EVT SetCCVT = N1.getValueType(); + SDValue NodeToReplace = Trunc ? SDValue(Trunc, 0) : N1; + + EVT SetCCVT = NodeToReplace.getValueType(); if (LegalTypes) SetCCVT = TLI.getSetCCResultType(SetCCVT); SDValue SetCC = DAG.getSetCC(TheXor->getDebugLoc(), @@ -4709,9 +4711,9 @@ SDValue DAGCombiner::visitBRCOND(SDNode *N) { Equal ? ISD::SETEQ : ISD::SETNE); // Replace the uses of XOR with SETCC WorkListRemover DeadNodes(*this); - DAG.ReplaceAllUsesOfValueWith(N1, SetCC, &DeadNodes); - removeFromWorkList(N1.getNode()); - DAG.DeleteNode(N1.getNode()); + DAG.ReplaceAllUsesOfValueWith(NodeToReplace, SetCC, &DeadNodes); + removeFromWorkList(NodeToReplace.getNode()); + DAG.DeleteNode(NodeToReplace.getNode()); return DAG.getNode(ISD::BRCOND, N->getDebugLoc(), MVT::Other, Chain, SetCC, N2); } @@ -5409,7 +5411,7 @@ SDValue DAGCombiner::visitSTORE(SDNode *N) { if (SimplifyDemandedBits(Value, APInt::getLowBitsSet( Value.getValueType().getScalarType().getSizeInBits(), - ST->getMemoryVT().getSizeInBits()))) + ST->getMemoryVT().getScalarType().getSizeInBits()))) return SDValue(N, 0); } |
