Handle regmasks in CriticalAntiDepBreaker.
llvm-svn: 151223
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@ -253,6 +253,17 @@ void CriticalAntiDepBreaker::ScanInstruction(MachineInstr *MI,
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// address updates.
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for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
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MachineOperand &MO = MI->getOperand(i);
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if (MO.isRegMask())
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for (unsigned i = 0, e = TRI->getNumRegs(); i != e; ++i)
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if (MO.clobbersPhysReg(i)) {
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DefIndices[i] = Count;
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KillIndices[i] = ~0u;
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KeepRegs.erase(i);
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Classes[i] = 0;
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RegRefs.erase(i);
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}
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if (!MO.isReg()) continue;
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unsigned Reg = MO.getReg();
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if (Reg == 0) continue;
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@ -355,6 +366,9 @@ CriticalAntiDepBreaker::isNewRegClobberedByRefs(RegRefIter RegRefBegin,
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for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
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const MachineOperand &CheckOper = MI->getOperand(i);
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if (CheckOper.isRegMask() && CheckOper.clobbersPhysReg(NewReg))
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return true;
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if (!CheckOper.isReg() || !CheckOper.isDef() ||
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CheckOper.getReg() != NewReg)
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continue;
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