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Handle the special case when all uses follow the last split point.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128450 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -928,7 +928,8 @@ void SplitEditor::splitSingleBlocks(const SplitAnalysis::BlockPtrSet &Blocks) {
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continue;
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openIntv();
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SlotIndex SegStart = enterIntvBefore(BI.FirstUse);
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SlotIndex SegStart = enterIntvBefore(std::min(BI.FirstUse,
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BI.LastSplitPoint));
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if (!BI.LiveOut || BI.LastUse < BI.LastSplitPoint) {
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useIntv(SegStart, leaveIntvAfter(BI.LastUse));
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} else {
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