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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-02-23 18:26:31 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-02-23 18:26:31 +0000 |
| commit | ed172998a6bcf52755e67f50e472eb50cbbbc071 (patch) | |
| tree | 491e0e75c0b4ceb85997ac27aaeb022e5a326385 /llvm/lib/CodeGen/SplitKit.cpp | |
| parent | 4a4e0eb782109e83734a52c923ceb595d3c2d3ee (diff) | |
| download | llvm-ed172998a6bcf52755e67f50e472eb50cbbbc071.zip llvm-ed172998a6bcf52755e67f50e472eb50cbbbc071.tar.gz llvm-ed172998a6bcf52755e67f50e472eb50cbbbc071.tar.bz2 | |
It is safe to ignore LastSplitPoint when the variable is not live out.
No code will be inserted after the split point anyway.
llvm-svn: 126319
Diffstat (limited to 'llvm/lib/CodeGen/SplitKit.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SplitKit.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/SplitKit.cpp b/llvm/lib/CodeGen/SplitKit.cpp index a97d890..fd5d50b 100644 --- a/llvm/lib/CodeGen/SplitKit.cpp +++ b/llvm/lib/CodeGen/SplitKit.cpp @@ -961,10 +961,10 @@ void SplitEditor::splitSingleBlocks(const SplitAnalysis::BlockPtrSet &Blocks) { openIntv(); SlotIndex SegStart = enterIntvBefore(BI.FirstUse); - if (BI.LastUse < BI.LastSplitPoint) { + if (!BI.LiveOut || BI.LastUse < BI.LastSplitPoint) { useIntv(SegStart, leaveIntvAfter(BI.LastUse)); } else { - // THe last use os after tha last valid split point. + // The last use is after the last valid split point. SlotIndex SegStop = leaveIntvBefore(BI.LastSplitPoint); useIntv(SegStart, SegStop); overlapIntv(SegStop, BI.LastUse); |