From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Thu, 19 Feb 2015 17:19:43 +0000 (+0000)
Subject: LSR: Move set instead of copying. NFC.
X-Git-Tag: llvmorg-3.7.0-rc1~11481
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1c2beed7fd3c678112454353da3f65c561ea2dea;p=platform%2Fupstream%2Fllvm.git

LSR: Move set instead of copying. NFC.

llvm-svn: 229871
---

diff --git a/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
index fe4f884..318065e 100644
--- a/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
@@ -1327,11 +1327,9 @@ void LSRUse::DeleteFormula(Formula &F) {
 /// RecomputeRegs - Recompute the Regs field, and update RegUses.
 void LSRUse::RecomputeRegs(size_t LUIdx, RegUseTracker &RegUses) {
   // Now that we've filtered out some formulae, recompute the Regs set.
-  SmallPtrSet<const SCEV *, 4> OldRegs = Regs;
+  SmallPtrSet<const SCEV *, 4> OldRegs = std::move(Regs);
   Regs.clear();
-  for (SmallVectorImpl<Formula>::const_iterator I = Formulae.begin(),
-       E = Formulae.end(); I != E; ++I) {
-    const Formula &F = *I;
+  for (const Formula &F : Formulae) {
     if (F.ScaledReg) Regs.insert(F.ScaledReg);
     Regs.insert(F.BaseRegs.begin(), F.BaseRegs.end());
   }