- PhysRegClasses = new const TargetRegisterClass*[NumRegs];
- for (unsigned i = 0; i != NumRegs; ++i)
- PhysRegClasses[i] = 0;
-
- // Fill in the PhysRegClasses map
- for (MRegisterInfo::regclass_iterator I = regclass_begin(),
- E = regclass_end(); I != E; ++I)
- for (unsigned i = 0, e = (*I)->getNumRegs(); i != e; ++i) {
- unsigned Reg = (*I)->getRegister(i);
- assert(PhysRegClasses[Reg] == 0 && "Register in more than one class?");
- PhysRegClasses[Reg] = *I;
- }
-