diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAG.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index efbaa5a7f6..ad6cd1ba3d 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -1877,6 +1877,8 @@ SDOperand SelectionDAG::getNode(unsigned Opcode, MVT::ValueType VT, // worth handling here. if (N2C && N2C->getValue() == 0) return N2; + if (N2C && N2C->isAllOnesValue()) // X & -1 -> X + return N1; break; case ISD::OR: case ISD::XOR: |