Fix comment

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23686 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index f15ce5784c6c23b62f6bfa348d78d87f1cc2d8ea..1e5499aaabfd6a446044164d8cc67d679057aa62 100644 (file)
--- 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))