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Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAG.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index 74e807ca82..f33ecd7223 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -767,6 +767,10 @@ SDOperand SelectionDAG::getNode(unsigned Opcode, MVT::ValueType VT, if (N2C->isAllOnesValue()) return N1; // X and -1 -> X + // FIXME: Should add a corresponding version of this for + // ZERO_EXTEND/SIGN_EXTEND by converting them to an ANY_EXTEND node which + // we don't have yet. + // and (zero_extend_inreg x:16:32), 1 -> and x, 1 if (N1.getOpcode() == ISD::ZERO_EXTEND_INREG || N1.getOpcode() == ISD::SIGN_EXTEND_INREG) { |