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When marking a register as being implicitly defined, make sure to clear its partial use info as well.

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llvm-svn: 37046
This commit is contained in:
Evan Cheng 2007-05-14 20:39:18 +00:00
parent 3ff817509f
commit bb876d7323
1 changed files with 2 additions and 0 deletions
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2
lib/CodeGen/LiveVariables.cpp
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@ -314,6 +314,7 @@ void LiveVariables::HandlePhysRegDef(unsigned Reg, MachineInstr *MI) {
}
PhysRegInfo[SubReg] = MI;
PhysRegUsed[SubReg] = false;
PhysRegPartUse[SubReg] = NULL;
}
if (MI)
@ -328,6 +329,7 @@ void LiveVariables::HandlePhysRegDef(unsigned Reg, MachineInstr *MI) {
MI->addRegOperand(SuperReg, true/*IsDef*/,true/*IsImp*/);
PhysRegInfo[SuperReg] = MI;
PhysRegUsed[SuperReg] = false;
PhysRegPartUse[SuperReg] = NULL;
} else {
// Remember this partial def.
PhysRegPartDef[SuperReg].push_back(MI);