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Handle the special case when all uses follow the last split point.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128450 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2011-03-29 03:12:04 +00:00
parent 2ef661b0e8
commit c8ec765551
1 changed files with 2 additions and 1 deletions
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3
lib/CodeGen/SplitKit.cpp
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@ -928,7 +928,8 @@ void SplitEditor::splitSingleBlocks(const SplitAnalysis::BlockPtrSet &Blocks) {
continue;
openIntv();
SlotIndex SegStart = enterIntvBefore(BI.FirstUse);
SlotIndex SegStart = enterIntvBefore(std::min(BI.FirstUse,
BI.LastSplitPoint));
if (!BI.LiveOut || BI.LastUse < BI.LastSplitPoint) {
useIntv(SegStart, leaveIntvAfter(BI.LastUse));
} else {