[LICM] Small update to note changes made in hoistRegion

Differential Revision: https://reviews.llvm.org/D28363

llvm-svn: 291157
diff --git a/llvm/lib/Transforms/Scalar/LICM.cpp b/llvm/lib/Transforms/Scalar/LICM.cpp
index 1cc5c8f..eb887af 100644
--- a/llvm/lib/Transforms/Scalar/LICM.cpp
+++ b/llvm/lib/Transforms/Scalar/LICM.cpp
@@ -408,6 +408,7 @@
           CurAST->deleteValue(&I);
           I.eraseFromParent();
         }
+        Changed = true;
         continue;
       }