case Hexagon::A2_tfrsi: {
// A transfer-immediate can be combined if its argument is a signed 8bit
// value.
- assert(MI->getOperand(0).isReg() && MI->getOperand(1).isImm());
- unsigned DestReg = MI->getOperand(0).getReg();
+ const MachineOperand &Op0 = MI->getOperand(0);
+ const MachineOperand &Op1 = MI->getOperand(1);
+ assert(Op0.isReg());
+
+ unsigned DestReg = Op0.getReg();
+ // Ensure that TargetFlags are MO_NO_FLAG for a global. This is a
+ // workaround for an ABI bug that prevents GOT relocations on combine
+ // instructions
+ if (!Op1.isImm() && Op1.getTargetFlags() != HexagonII::MO_NO_FLAG)
+ return false;
- // Only combine constant extended TFRI if we are in aggressive mode.
+ // Only combine constant extended A2_tfrsi if we are in aggressive mode.
+ bool NotExt = Op1.isImm() && isInt<8>(Op1.getImm());
return Hexagon::IntRegsRegClass.contains(DestReg) &&
- (ShouldCombineAggressively || isInt<8>(MI->getOperand(1).getImm()));
+ (ShouldCombineAggressively || NotExt);
}
case Hexagon::TFRI_V4: {