From 38ebb0dfc521d8f205f8f0d01a890eb32fd830f3 Mon Sep 17 00:00:00 2001
From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Mon, 18 Jun 2018 11:35:36 +0000
Subject: [PATCH] [SLPVectorizer] Avoid calling const VL.size() repeatedly in
 for-loop. NFCI.

llvm-svn: 334934
---
 lib/Transforms/Vectorize/SLPVectorizer.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Transforms/Vectorize/SLPVectorizer.cpp b/lib/Transforms/Vectorize/SLPVectorizer.cpp
index bf2667e34b9..5864dfa0c07 100644
--- a/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -2859,7 +2859,7 @@ void BoUpSLP::reorderInputsAccordingToOpcode(unsigned Opcode,
   // add a[1],c[2]  load b[1]
   // b[2]           load b[2]
   // add a[3],c[3]  load b[3]
-  for (unsigned j = 0; j < VL.size() - 1; ++j) {
+  for (unsigned j = 0, e = VL.size() - 1; j < e; ++j) {
     if (LoadInst *L = dyn_cast<LoadInst>(Left[j])) {
       if (LoadInst *L1 = dyn_cast<LoadInst>(Right[j + 1])) {
         if (isConsecutiveAccess(L, L1, *DL, *SE)) {