MachineInstr *MI = mi;
// Advance iterator here because MI may be erased.
++mi;
+
+ // Only expand pseudos.
+ if (!MI->getDesc().isPseudo())
+ continue;
+
+ // Give targets a chance to expand even standard pseudos.
+ if (TII->expandPostRAPseudo(MI)) {
+ MadeChange = true;
+ continue;
+ }
+
+ // Expand standard pseudos.
switch (MI->getOpcode()) {
case TargetOpcode::SUBREG_TO_REG:
MadeChange |= LowerSubregToReg(MI);
case TargetOpcode::INSERT_SUBREG:
case TargetOpcode::EXTRACT_SUBREG:
llvm_unreachable("Sub-register pseudos should have been eliminated.");
- default:
- if (MI->getDesc().isPseudo())
- MadeChange |= TII->expandPostRAPseudo(MI);
- break;
}
}
}