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Remember to update LiveDebugVariables after per-block splitting. 

llvm-svn: 136996
This commit is contained in:
Jakob Stoklund Olesen 2011-08-05 23:10:40 +00:00
parent f07f131c94
commit 0de95ef7f5
1 changed files with 5 additions and 1 deletions
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6
llvm/lib/CodeGen/RegAllocGreedy.cpp
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@ -1032,7 +1032,7 @@ void RAGreedy::splitAroundRegion(LiveRangeEdit &LREdit,
SmallVector<unsigned, 8> IntvMap;
SE->finish(&IntvMap);
DebugVars->splitRegister(SA->getParent().reg, LREdit.regs());
DebugVars->splitRegister(Reg, LREdit.regs());
ExtraRegInfo.resize(MRI->getNumVirtRegs());
unsigned OrigBlocks = SA->getNumLiveBlocks();
@ -1228,6 +1228,10 @@ unsigned RAGreedy::tryBlockSplit(LiveInterval &VirtReg, AllocationOrder &Order,
// We did split for some blocks.
SE->finish();
// Tell LiveDebugVariables about the new ranges.
DebugVars->splitRegister(Reg, LREdit.regs());
setStage(NewVRegs.begin(), NewVRegs.end(), RS_Spill);
if (VerifyEnabled)
MF->verify(this, "After splitting live range around basic blocks");