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Skip DEBUG_VALUE in some places where it was affecting codegen.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95647 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -64,6 +64,9 @@ bool CalculateSpillWeights::runOnMachineFunction(MachineFunction &fn) {
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if (mi->getOpcode() == TargetInstrInfo::IMPLICIT_DEF)
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continue;
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if (mi->getOpcode() == TargetInstrInfo::DEBUG_VALUE)
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continue;
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for (unsigned i = 0, e = mi->getNumOperands(); i != e; ++i) {
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const MachineOperand &mopi = mi->getOperand(i);
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if (!mopi.isReg() || mopi.getReg() == 0)
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@ -543,6 +543,8 @@ bool LiveVariables::runOnMachineFunction(MachineFunction &mf) {
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for (MachineBasicBlock::iterator I = MBB->begin(), E = MBB->end();
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I != E; ++I) {
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MachineInstr *MI = I;
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if (MI->getOpcode()==TargetInstrInfo::DEBUG_VALUE)
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continue;
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DistanceMap.insert(std::make_pair(MI, Dist++));
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// Process all of the operands of the instruction...
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@ -318,6 +318,8 @@ bool TwoAddressInstructionPass::NoUseAfterLastDef(unsigned Reg,
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MachineInstr *MI = MO.getParent();
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if (MI->getParent() != MBB)
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continue;
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if (MI->getOpcode() == TargetInstrInfo::DEBUG_VALUE)
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continue;
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DenseMap<MachineInstr*, unsigned>::iterator DI = DistanceMap.find(MI);
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if (DI == DistanceMap.end())
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continue;
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@ -341,6 +343,8 @@ MachineInstr *TwoAddressInstructionPass::FindLastUseInMBB(unsigned Reg,
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MachineInstr *MI = MO.getParent();
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if (MI->getParent() != MBB)
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continue;
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if (MI->getOpcode() == TargetInstrInfo::DEBUG_VALUE)
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continue;
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DenseMap<MachineInstr*, unsigned>::iterator DI = DistanceMap.find(MI);
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if (DI == DistanceMap.end())
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continue;
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