Fix typo.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163059 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/InlineSpiller.cpp b/lib/CodeGen/InlineSpiller.cpp
index 07e37af..622127c 100644
--- a/lib/CodeGen/InlineSpiller.cpp
+++ b/lib/CodeGen/InlineSpiller.cpp
@@ -613,7 +613,7 @@
     propagateSiblingValue(SVI);
   } while (!WorkList.empty());
 
-  // Look up the value we were looking for.  We already did this lokup at the
+  // Look up the value we were looking for.  We already did this lookup at the
   // top of the function, but SibValues may have been invalidated.
   SVI = SibValues.find(UseVNI);
   assert(SVI != SibValues.end() && "Didn't compute requested info");