diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp index 9ab1324533f..14d08b8b1f2 100644 --- a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp @@ -3379,7 +3379,10 @@ SDValue TargetLowering::SimplifySetCC(EVT VT, SDValue N0, SDValue N1, (Cond == ISD::SETEQ || Cond == ISD::SETNE)) { // SETCC (SETCC), [0|1], [EQ|NE] -> SETCC if (N0.getOpcode() == ISD::SETCC && - isTypeLegal(VT) && VT.bitsLE(N0.getValueType())) { + isTypeLegal(VT) && VT.bitsLE(N0.getValueType()) && + (N0.getValueType() == MVT::i1 || + getBooleanContents(N0.getOperand(0).getValueType()) == + ZeroOrOneBooleanContent)) { bool TrueWhenTrue = (Cond == ISD::SETEQ) ^ (!N1C->isOne()); if (TrueWhenTrue) return DAG.getNode(ISD::TRUNCATE, dl, VT, N0); @@ -3422,7 +3425,7 @@ SDValue TargetLowering::SimplifySetCC(EVT VT, SDValue N0, SDValue N1, } } else if (N1C->isOne() && (VT == MVT::i1 || - getBooleanContents(N0->getValueType(0)) == + getBooleanContents(N0.getValueType()) == ZeroOrOneBooleanContent)) { SDValue Op0 = N0; if (Op0.getOpcode() == ISD::TRUNCATE) |
