Index: lib/Transforms/Vectorize/LoopVectorize.cpp
===================================================================
--- lib/Transforms/Vectorize/LoopVectorize.cpp
+++ lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -6175,6 +6175,9 @@
   float Cost = expectedCost(1).first;
   const float ScalarCost = Cost;
   unsigned Width = 1;
+  float MinVectCost ;
+  unsigned BestVectCostWidth ;
+  unsigned Count = 0; 
   DEBUG(dbgs() << "LV: Scalar loop costs: " << (int)ScalarCost << ".\n");
 
   bool ForceVectorization = Hints->getForce() == LoopVectorizeHints::FK_Enabled;
@@ -6198,10 +6201,20 @@
                  << " because it will not generate any vector instructions.\n");
       continue;
     }
+    Count +=1;
     if (VectorCost < Cost) {
       Cost = VectorCost;
       Width = i;
     }
+    if(Count==1) {
+      MinVectCost = Cost;
+      BestVectCostWidth = Width;
+      continue;   
+    }
+    if(VectorCost < MinVectCost) {
+      MinVectCost = VectorCost;
+      BestVectCostWidth = i;
+    }
   }
 
   if (!EnableCondStoresVectorization && NumPredStores) {
@@ -6212,6 +6225,23 @@
     Cost = ScalarCost;
   }
 
+  if(MaxVF >=2) {
+    if(Count >=1) {
+      ORE->emit([&]() {
+       return OptimizationRemarkAnalysis(Hints->vectorizeAnalysisPassName(), "VectorizationNotBeneficial",
+                                      TheLoop->getStartLoc(), TheLoop->getHeader())
+             << "The best vector cost is : " << StringRef(std::to_string(MinVectCost)) << " with vector width : " << StringRef(std::to_string(BestVectCostWidth))<< ", Scalar loop costs: " << StringRef(std::to_string(ScalarCost))  ;
+      });
+    }
+    else {
+       ORE->emit([&]() {
+        return OptimizationRemarkAnalysis(Hints->vectorizeAnalysisPassName(), "VectorizationNotBeneficial",
+                                      TheLoop->getStartLoc(), TheLoop->getHeader())
+             << " none of the width generate any vector instructions " ;
+       });
+    }
+  }
+
   DEBUG(if (ForceVectorization && Width > 1 && Cost >= ScalarCost) dbgs()
         << "LV: Vectorization seems to be not beneficial, "
         << "but was forced by a user.\n");