diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp index 33c8d1a36ff..8a4a1b17260 100644 --- a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp @@ -1882,10 +1882,15 @@ TargetLowering::SimplifySetCC(EVT VT, SDValue N0, SDValue N1, isa<ConstantSDNode>(Op0.getOperand(1)) && cast<ConstantSDNode>(Op0.getOperand(1))->getAPIntValue() == 1) { // If this is (X&1) == / != 1, normalize it to (X&1) != / == 0. - if (Op0.getValueType() != VT) + if (Op0.getValueType().bitsGT(VT)) Op0 = DAG.getNode(ISD::AND, dl, VT, DAG.getNode(ISD::TRUNCATE, dl, VT, Op0.getOperand(0)), DAG.getConstant(1, VT)); + else if (Op0.getValueType().bitsLT(VT)) + Op0 = DAG.getNode(ISD::AND, dl, VT, + DAG.getNode(ISD::ANY_EXTEND, dl, VT, Op0.getOperand(0)), + DAG.getConstant(1, VT)); + return DAG.getSetCC(dl, VT, Op0, DAG.getConstant(0, Op0.getValueType()), Cond == ISD::SETEQ ? ISD::SETNE : ISD::SETEQ); |
