Fix two typos that Duncan spotted in a comment.

llvm-svn: 63312
diff --git a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index e479e05..1f9d9cf 100644
--- a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -1815,7 +1815,7 @@
       }
     }
 
-    // Simpify x&y == y to x&y == 0 if y has exactly one bit set.
+    // Simplify x&y == y to x&y != 0 if y has exactly one bit set.
     if (N0.getOpcode() == ISD::AND)
       if (N0.getOperand(0) == N1 || N0.getOperand(1) == N1) {
         if (ValueHasAtMostOneBitSet(N1, DAG)) {