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Only use LiveIntervals in TwoAddressInstructionPass, not a mix of Liveintervals

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and SlotIndexes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175674 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Cameron Zwarich 2013-02-20 22:10:02 +00:00
parent c5b6135fb5
commit 6189288766
1 changed files with 4 additions and 6 deletions
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10
lib/CodeGen/TwoAddressInstructionPass.cpp
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@ -67,7 +67,6 @@ class TwoAddressInstructionPass : public MachineFunctionPass {
const InstrItineraryData *InstrItins;
MachineRegisterInfo *MRI;
LiveVariables *LV;
SlotIndexes *Indexes;
LiveIntervals *LIS;
AliasAnalysis *AA;
CodeGenOpt::Level OptLevel;
@ -533,8 +532,8 @@ commuteInstruction(MachineBasicBlock::iterator &mi,
if (LV)
// Update live variables
LV->replaceKillInstruction(RegC, MI, NewMI);
if (Indexes)
Indexes->replaceMachineInstrInMaps(MI, NewMI);
if (LIS)
LIS->ReplaceMachineInstrInMaps(MI, NewMI);
MBB->insert(mi, NewMI); // Insert the new inst
MBB->erase(mi); // Nuke the old inst.
@ -587,8 +586,8 @@ TwoAddressInstructionPass::convertInstTo3Addr(MachineBasicBlock::iterator &mi,
DEBUG(dbgs() << "2addr: TO 3-ADDR: " << *NewMI);
bool Sunk = false;
if (Indexes)
Indexes->replaceMachineInstrInMaps(mi, NewMI);
if (LIS)
LIS->ReplaceMachineInstrInMaps(mi, NewMI);
if (NewMI->findRegisterUseOperand(RegB, false, TRI))
// FIXME: Temporary workaround. If the new instruction doesn't
@ -1378,7 +1377,6 @@ bool TwoAddressInstructionPass::runOnMachineFunction(MachineFunction &Func) {
TII = TM.getInstrInfo();
TRI = TM.getRegisterInfo();
InstrItins = TM.getInstrItineraryData();
Indexes = getAnalysisIfAvailable<SlotIndexes>();
LV = getAnalysisIfAvailable<LiveVariables>();
LIS = getAnalysisIfAvailable<LiveIntervals>();
AA = &getAnalysis<AliasAnalysis>();