- int rx = regIndex(MO.getReg());
- if (rx < 0)
- continue;
-
- // This instruction explicitly defines rx.
- DEBUG(dbgs() << TRI->getName(RC->getRegister(rx)) << ":\t" << CurInstr
- << '\t' << *MI);
-
- // Check clearance before partial register updates.
- // Call breakDependence before setting LiveRegs[rx].Def.
- unsigned Pref = TII->getPartialRegUpdateClearance(MI, i, TRI);
- if (Pref && shouldBreakDependence(MI, i, Pref))
- TII->breakPartialRegDependency(MI, i, TRI);
-
- // How many instructions since rx was last written?
- LiveRegs[rx].Def = CurInstr;
-
- // Kill off domains redefined by generic instructions.
- if (Kill)
- kill(rx);
+ for (int rx : regIndizes(MO.getReg())) {
+ // This instruction explicitly defines rx.
+ DEBUG(dbgs() << TRI->getName(RC->getRegister(rx)) << ":\t" << CurInstr
+ << '\t' << *MI);
+
+ // Check clearance before partial register updates.
+ // Call breakDependence before setting LiveRegs[rx].Def.
+ unsigned Pref = TII->getPartialRegUpdateClearance(MI, i, TRI);
+ if (Pref && shouldBreakDependence(MI, i, Pref))
+ TII->breakPartialRegDependency(MI, i, TRI);
+
+ // How many instructions since rx was last written?
+ LiveRegs[rx].Def = CurInstr;
+
+ // Kill off domains redefined by generic instructions.
+ if (Kill)
+ kill(rx);
+ }