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After register is spilled there should not be any DBG_VALUE referring the same register.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133569 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2011-06-21 23:02:36 +00:00
parent 0b6a44afb9
commit 6f373a87cb
1 changed files with 3 additions and 1 deletions
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4
lib/CodeGen/RegAllocFast.cpp
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@ -293,9 +293,11 @@ void RAFast::spillVirtReg(MachineBasicBlock::iterator MI,
MachineBasicBlock *MBB = DBG->getParent();
MBB->insert(MI, NewDV);
DEBUG(dbgs() << "Inserting debug info due to spill:" << "\n" << *NewDV);
LRIDbgValues[li] = NewDV;
}
}
// Now this register is spilled there is should not be any DBG_VALUE pointing
// to this register because they are all pointing to spilled value now.
LRIDbgValues.clear();
if (SpillKill)
LR.LastUse = 0; // Don't kill register again
}