git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168751
91177308-0d34-0410-b5e6-
96231b3b80d8
#endif
void MachineRegisterInfo::freezeReservedRegs(const MachineFunction &MF) {
- assert (!reservedRegsFrozen() &&
- "freezeReservedRegs should only be called once!");
ReservedRegs = TRI->getReservedRegs(MF);
assert(ReservedRegs.size() == TRI->getNumRegs() &&
"Invalid ReservedRegs vector from target");
VRM = &vrm;
LIS = &lis;
Matrix = &mat;
+ MRI->freezeReservedRegs(vrm.getMachineFunction());
RegClassInfo.runOnMachineFunction(vrm.getMachineFunction());
}
TM = &Fn.getTarget();
TRI = TM->getRegisterInfo();
TII = TM->getInstrInfo();
+ MRI->freezeReservedRegs(Fn);
RegClassInfo.runOnMachineFunction(Fn);
UsedInInstr.clear();
UsedInInstr.setUniverse(TRI->getNumRegs());
vrm = &getAnalysis<VirtRegMap>();
spiller.reset(createInlineSpiller(*this, MF, *vrm));
+ mri->freezeReservedRegs(MF);
+
DEBUG(dbgs() << "PBQP Register Allocating for " << mf->getName() << "\n");
// Allocator main loop: