diff --git a/clang/test/Frontend/optimization-remark-options.c b/clang/test/Frontend/optimization-remark-options.c
--- a/clang/test/Frontend/optimization-remark-options.c
+++ b/clang/test/Frontend/optimization-remark-options.c
@@ -12,7 +12,7 @@
   return v;
 }
 
-// CHECK: {{.*}}:18:3: remark: loop not vectorized: cannot prove it is safe to reorder memory operations; allow reordering by specifying '#pragma clang loop vectorize(enable)' before the loop. If the arrays will always be independent specify '#pragma clang loop vectorize(assume_safety)' before the loop or provide the '__restrict__' qualifier with the independent array arguments. Erroneous results will occur if these options are incorrectly applied!
+// CHECK: {{.*}}:18:3: remark: loop not vectorized: it is not profitable to reorder memory operations with runtime checks; allow reordering by specifying '#pragma clang loop vectorize(enable)' before the loop. If the arrays will always be independent specify '#pragma clang loop vectorize(assume_safety)' before the loop or provide the '__restrict__' qualifier with the independent array arguments. Erroneous results will occur if these options are incorrectly applied!
 
 void foo2(int *dw, int *uw, int *A, int *B, int *C, int *D, int N) {
   for (long i = 0; i < N; i++) {
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
@@ -10345,8 +10345,8 @@
         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();