fix typo


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45594 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/LoopUnroll.cpp b/lib/Transforms/Scalar/LoopUnroll.cpp
index c24c35a..ff2168a 100644
--- a/lib/Transforms/Scalar/LoopUnroll.cpp
+++ b/lib/Transforms/Scalar/LoopUnroll.cpp
@@ -207,7 +207,7 @@
        << "] Loop %" << Header->getName() << "\n";
 
   if (!BI || BI->isUnconditional()) {
-    // The loop-rorate pass can be helpful to avoid this in many cases.
+    // The loop-rotate pass can be helpful to avoid this in many cases.
     DOUT << "  Can't unroll; loop not terminated by a conditional branch.\n";
     return false;
   }