[NFC][LoopIdiom] Adjust FIXME to be self-explanatory

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@374670 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Scalar/LoopIdiomRecognize.cpp b/lib/Transforms/Scalar/LoopIdiomRecognize.cpp
index 46c8cfbdcf459a6d8ded4dde9c6bee19fbe01373..116bdd7470f82b2e659c3540a715a24654f3a595 100644 (file)
--- a/lib/Transforms/Scalar/LoopIdiomRecognize.cpp
+++ b/lib/Transforms/Scalar/LoopIdiomRecognize.cpp
@@ -2202,7 +2202,7 @@ bool LoopIdiomRecognize::detectBCmpIdiom(ICmpInst *&BCmpInst,
                                       CurLoop->getHeader())
              << L;
     });
-    return false; // FIXME
+    return false; // FIXME: support non-simple loads.
   }
 
   LLVM_DEBUG(dbgs() << "Recognized bcmp idiom\n");