From: Dan Gohman <gohman@apple.com>
Date: Tue, 10 Nov 2009 01:36:20 +0000 (+0000)
Subject: Minor code simplification.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b2e40990c40999804f0f28650685c4af18e4c261;p=oota-llvm.git

Minor code simplification.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86641 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/BranchFolding.cpp b/lib/CodeGen/BranchFolding.cpp
index baea9642d4f..b094eefb302 100644
--- a/lib/CodeGen/BranchFolding.cpp
+++ b/lib/CodeGen/BranchFolding.cpp
@@ -600,7 +600,7 @@ bool BranchFolder::TryMergeBlocks(MachineBasicBlock *SuccBB,
 
   // Walk through equivalence sets looking for actual exact matches.
   while (MergePotentials.size() > 1) {
-    unsigned CurHash  = prior(MergePotentials.end())->first;
+    unsigned CurHash  = MergePotentials.back().first;
     
     // Build SameTails, identifying the set of blocks with this hash code
     // and with the maximum number of instructions in common.