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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-02-09 23:33:02 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-02-09 23:33:02 +0000 |
| commit | 23cd57c29926189ad9d7b2b208024645870884ad (patch) | |
| tree | 124f74159d3eee4254d1bf47e40b72fcee7a82f2 /lib | |
| parent | 9b057771ba22441b8d312404204433477b4be657 (diff) | |
| download | llvm-23cd57c29926189ad9d7b2b208024645870884ad.tar.gz llvm-23cd57c29926189ad9d7b2b208024645870884ad.tar.bz2 llvm-23cd57c29926189ad9d7b2b208024645870884ad.tar.xz | |
Simplify using the new leaveIntvBefore()
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125238 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/RegAllocGreedy.cpp | 15 |
1 files changed, 2 insertions, 13 deletions
diff --git a/lib/CodeGen/RegAllocGreedy.cpp b/lib/CodeGen/RegAllocGreedy.cpp index 1529545b86..f8b3ea792d 100644 --- a/lib/CodeGen/RegAllocGreedy.cpp +++ b/lib/CodeGen/RegAllocGreedy.cpp @@ -714,19 +714,8 @@ void RAGreedy::splitAroundRegion(LiveInterval &VirtReg, unsigned PhysReg, // indirect jump. DEBUG(dbgs() << ", uses at " << BI.LastUse << " after split point " << BI.LastSplitPoint << ", stack-out.\n"); - SlotIndex SegEnd; - // Find the last real instruction before the split point. - MachineBasicBlock::iterator SplitI = - LIS->getInstructionFromIndex(BI.LastSplitPoint); - MachineBasicBlock::iterator I = SplitI, B = BI.MBB->begin(); - while (I != B && (--I)->isDebugValue()) - ; - if (I == SplitI) - SegEnd = SE.leaveIntvAtTop(*BI.MBB); - else { - SegEnd = SE.leaveIntvAfter(LIS->getInstructionIndex(I)); - SE.useIntv(Start, SegEnd); - } + SlotIndex SegEnd = SE.leaveIntvBefore(BI.LastSplitPoint); + SE.useIntv(Start, SegEnd); // Run a double interval from the split to the last use. // This makes it possible to spill the complement without affecting the // indirect branch. |