// Returns spillImpossible when PhysReg or an alias can't be spilled.
unsigned RAFast::calcSpillCost(unsigned PhysReg) const {
if (UsedInInstr.test(PhysReg)) {
- DEBUG(dbgs() << "PhysReg: " << PhysReg << " is already used in instr.\n");
+ DEBUG(dbgs() << PrintReg(PhysReg, TRI) << " is already used in instr.\n");
return spillImpossible;
}
switch (unsigned VirtReg = PhysRegState[PhysReg]) {
case regFree:
return 0;
case regReserved:
- DEBUG(dbgs() << "VirtReg: " << VirtReg << " corresponding to PhysReg: "
- << PhysReg << " is reserved already.\n");
+ DEBUG(dbgs() << PrintReg(VirtReg, TRI) << " corresponding "
+ << PrintReg(PhysReg, TRI) << " is reserved already.\n");
return spillImpossible;
default:
return LiveVirtRegs.lookup(VirtReg).Dirty ? spillDirty : spillClean;
}
// This is a disabled register, add up cost of aliases.
- DEBUG(dbgs() << "\tRegister: " << PhysReg << " is disabled.\n");
+ DEBUG(dbgs() << PrintReg(PhysReg, TRI) << " is disabled.\n");
unsigned Cost = 0;
for (const unsigned *AS = TRI->getAliasSet(PhysReg);
unsigned Alias = *AS; ++AS) {
unsigned BestReg = 0, BestCost = spillImpossible;
for (ArrayRef<unsigned>::iterator I = AO.begin(), E = AO.end(); I != E; ++I) {
unsigned Cost = calcSpillCost(*I);
- DEBUG(dbgs() << "\tRegister: " << *I << "\n");
+ DEBUG(dbgs() << "\tRegister: " << PrintReg(*I, TRI) << "\n");
DEBUG(dbgs() << "\tCost: " << Cost << "\n");
DEBUG(dbgs() << "\tBestCost: " << BestCost << "\n");
// Cost is 0 when all aliases are already disabled.
if (!MO.isReg() || (MO.isDef() && !MO.isEarlyClobber())) continue;
unsigned Reg = MO.getReg();
if (!Reg || !TargetRegisterInfo::isPhysicalRegister(Reg)) continue;
- DEBUG(dbgs() << "\tSetting reg " << Reg << " as used in instr\n");
+ DEBUG(dbgs() << "\tSetting " << PrintReg(Reg, TRI)
+ << " as used in instr\n");
UsedInInstr.set(Reg);
}