diff --git a/llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp b/llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp
index 8da09127e96c..7c7352d122df 100644
--- a/llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp
+++ b/llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp
@@ -929,7 +929,7 @@ bool CodeGenPrepare::OptimizeExtUses(Instruction *I) {
   if (Src->hasOneUse())
     return false;
 
-  // Only do this xform is truncating is free.
+  // Only do this xform if truncating is free.
   if (!TLI->isTruncateFree(I->getType(), Src->getType()))
     return false;