I = PhysRegsAvailable.begin(), E = PhysRegsAvailable.end();
I != E; ++I) {
unsigned Reg = I->first;
- bool MakeAvail = true;
const TargetRegisterClass* RC = TRI->getPhysicalRegisterRegClass(Reg);
// FIXME: A temporary workaround. We can't reuse available value if it's
// not safe to move the def of the virtual register's class. e.g.
// X86::RFP* register classes. Do not add it as a live-in.
if (!TII->isSafeToMoveRegClassDefs(RC))
- MakeAvail = false;
- if (MBB.isLiveIn(Reg))
- // It's already livein somehow. Be conservative, do not make it available.
- MakeAvail = false;
-
- if (!MakeAvail)
// This is no longer available.
NotAvailable.insert(Reg);
else {