diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
--- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -10350,8 +10350,8 @@
         return OptimizationRemarkAnalysisAliasing(
                    DEBUG_TYPE, "CantReorderMemOps", L->getStartLoc(),
                    L->getHeader())
-               << "loop not vectorized: cannot prove it is safe to reorder "
-                  "memory operations";
+               << "loop not vectorized: it is not profitable to reorder memory "
+                  "operations with runtime checks";
       });
       LLVM_DEBUG(dbgs() << "LV: Too many memory checks needed.\n");
       Hints.emitRemarkWithHints();