diff options
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/Mips/MipsISelLowering.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/Mips/MipsISelLowering.cpp b/llvm/lib/Target/Mips/MipsISelLowering.cpp index 68708dc4f50..02102d6b22f 100644 --- a/llvm/lib/Target/Mips/MipsISelLowering.cpp +++ b/llvm/lib/Target/Mips/MipsISelLowering.cpp @@ -907,6 +907,11 @@ static SDValue performORCombine(SDNode *N, SelectionDAG &DAG, if (!(CN1 = dyn_cast<ConstantSDNode>(N->getOperand(1)))) return SDValue(); } + // Don't generate INS if constant OR operand doesn't fit into bits + // cleared by constant AND operand. + if (CN->getSExtValue() & CN1->getSExtValue()) + return SDValue(); + SDLoc DL(N); EVT ValTy = N->getOperand(0)->getValueType(0); SDValue Const1; |
