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Diffstat (limited to 'lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index f15ce5784c..1e5499aaab 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -216,7 +216,7 @@ static bool MaskedValueIsZero(const SDOperand &Op, uint64_t Mask, } return false; case ISD::ADD: - // (add X, Y) & C == 0 iff (X&C)&(Y&C) == 0 and all bits are low bits. + // (add X, Y) & C == 0 iff (X&C)|(Y&C) == 0 and all bits are low bits. if ((Mask&(Mask+1)) == 0) { // All low bits if (MaskedValueIsZero(Op.getOperand(0), Mask, TLI) && MaskedValueIsZero(Op.getOperand(1), Mask, TLI)) |