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Minor code simplification.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86641 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -600,7 +600,7 @@ bool BranchFolder::TryMergeBlocks(MachineBasicBlock *SuccBB,
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// Walk through equivalence sets looking for actual exact matches.
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while (MergePotentials.size() > 1) {
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unsigned CurHash = prior(MergePotentials.end())->first;
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unsigned CurHash = MergePotentials.back().first;
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// Build SameTails, identifying the set of blocks with this hash code
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// and with the maximum number of instructions in common.
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