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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 | c70f687dce99ea48ca779e6767006f6663781132 (patch) | |
| tree | 442e3f2f2f57860809f0d0712cf242b0980e7e13 /lib/CodeGen/SplitKit.cpp | |
| parent | 292f62e06f15eb45008c6965a5d9f7e9713431e9 (diff) | |
| download | llvm-c70f687dce99ea48ca779e6767006f6663781132.tar.gz llvm-c70f687dce99ea48ca779e6767006f6663781132.tar.bz2 llvm-c70f687dce99ea48ca779e6767006f6663781132.tar.xz | |
It is safe to ignore LastSplitPoint when the variable is not live out.
No code will be inserted after the split point anyway.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126319 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SplitKit.cpp')
| -rw-r--r-- | lib/CodeGen/SplitKit.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/CodeGen/SplitKit.cpp b/lib/CodeGen/SplitKit.cpp index a97d890c25..fd5d50b7ec 100644 --- a/lib/CodeGen/SplitKit.cpp +++ b/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); |