[llvm] r334934 - [SLPVectorizer] Avoid calling const VL.size() repeatedly in for-loop. NFCI.

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Mon Jun 18 04:35:36 2018
New Revision: 334934

URL: http://llvm.org/viewvc/llvm-project?rev=334934&view=rev
Log:
[SLPVectorizer] Avoid calling const VL.size() repeatedly in for-loop. NFCI.

Modified:
    llvm/trunk/lib/Transforms/Vectorize/SLPVectorizer.cpp

Modified: llvm/trunk/lib/Transforms/Vectorize/SLPVectorizer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Vectorize/SLPVectorizer.cpp?rev=334934&r1=334933&r2=334934&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Vectorize/SLPVectorizer.cpp (original)
+++ llvm/trunk/lib/Transforms/Vectorize/SLPVectorizer.cpp Mon Jun 18 04:35:36 2018
@@ -2859,7 +2859,7 @@ void BoUpSLP::reorderInputsAccordingToOp
   // 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)) {