Fix comment

visitSExt is an adapted copy of the related visitZExt method, so adapt the comment accordingly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175019 91177308-0d34-0410-b5e6-96231b3b80d8
file-citas · Feb 13, 2013 · 66bff1e · 66bff1e
1 parent 49b5bb4
commit 66bff1e
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/lib/Transforms/InstCombine/InstCombineCasts.cpp b/lib/Transforms/InstCombine/InstCombineCasts.cpp
@@ -1041,8 +1041,8 @@ static bool CanEvaluateSExtd(Value *V, Type *Ty) {
 }
 
 Instruction *InstCombiner::visitSExt(SExtInst &CI) {
-  // If this sign extend is only used by a truncate, let the truncate by
-  // eliminated before we try to optimize this zext.
+  // If this sign extend is only used by a truncate, let the truncate be
+  // eliminated before we try to optimize this sext.
   if (CI.hasOneUse() && isa<TruncInst>(CI.use_back()))
     return 0;