59 static unsigned copyHint(const MachineInstr *mi, unsigned reg,  in copyHint()  argument
63   if (mi->getOperand(0).getReg() == reg) {  in copyHint()
64     sub = mi->getOperand(0).getSubReg();  in copyHint()
65     hreg = mi->getOperand(1).getReg();  in copyHint()
66     hsub = mi->getOperand(1).getSubReg();  in copyHint()
68     sub = mi->getOperand(1).getSubReg();  in copyHint()
69     hreg = mi->getOperand(0).getReg();  in copyHint()
70     hsub = mi->getOperand(0).getSubReg();  in copyHint()
131        MachineInstr *mi = I.skipInstruction();) {  in CalculateWeightAndHint()
132     if (mi->isIdentityCopy() || mi->isImplicitDef() || mi->isDebugValue())  in CalculateWeightAndHint()
134     if (!visited.insert(mi))  in CalculateWeightAndHint()
140       if (mi->getParent() != mbb) {  in CalculateWeightAndHint()
141         mbb = mi->getParent();  in CalculateWeightAndHint()
149       tie(reads, writes) = mi->readsWritesVirtualRegister(li.reg);  in CalculateWeightAndHint()
160     if (noHint || !mi->isCopy())  in CalculateWeightAndHint()
162     unsigned hint = copyHint(mi, li.reg, tri, mri);  in CalculateWeightAndHint()