Fix typo in comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172460 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/InstCombine/InstCombineCasts.cpp b/lib/Transforms/InstCombine/InstCombineCasts.cpp
index c782032c458f3362dafc5fd0a85af55bcc09d42f..0c0864f2c0daee5a4d0f5e18810fb8858251471c 100644 (file)
--- a/lib/Transforms/InstCombine/InstCombineCasts.cpp
+++ b/lib/Transforms/InstCombine/InstCombineCasts.cpp
@@ -739,7 +739,7 @@ static bool CanEvaluateZExtd(Value *V, Type *Ty, unsigned &BitsToClear) {
 }
 
 Instruction *InstCombiner::visitZExt(ZExtInst &CI) {
-  // If this zero extend is only used by a truncate, let the truncate by
+  // If this zero extend is only used by a truncate, let the truncate be
   // eliminated before we try to optimize this zext.
   if (CI.hasOneUse() && isa<TruncInst>(CI.use_back()))
     return 0;