static char ID;
const R600InstrInfo *TII;
+ void SetFlagInNewMI(MachineInstr *NewMI, const MachineInstr *OldMI,
+ unsigned Op);
+
public:
R600ExpandSpecialInstrsPass(TargetMachine &tm) : MachineFunctionPass(ID),
- TII(0) { }
+ TII(nullptr) { }
- virtual bool runOnMachineFunction(MachineFunction &MF);
+ bool runOnMachineFunction(MachineFunction &MF) override;
- const char *getPassName() const {
+ const char *getPassName() const override {
return "R600 Expand special instructions pass";
}
};
return new R600ExpandSpecialInstrsPass(TM);
}
+void R600ExpandSpecialInstrsPass::SetFlagInNewMI(MachineInstr *NewMI,
+ const MachineInstr *OldMI, unsigned Op) {
+ int OpIdx = TII->getOperandIdx(*OldMI, Op);
+ if (OpIdx > -1) {
+ uint64_t Val = OldMI->getOperand(OpIdx).getImm();
+ TII->setImmOperand(NewMI, Op, Val);
+ }
+}
+
bool R600ExpandSpecialInstrsPass::runOnMachineFunction(MachineFunction &MF) {
TII = static_cast<const R600InstrInfo *>(MF.getTarget().getInstrInfo());
MachineBasicBlock::iterator I = MBB.begin();
while (I != MBB.end()) {
MachineInstr &MI = *I;
- I = llvm::next(I);
+ I = std::next(I);
// Expand LDS_*_RET instructions
if (TII->isLDSRetInstr(MI.getOpcode())) {
if (NotLast) {
TII->addFlag(NewMI, 0, MO_FLAG_NOT_LAST);
}
+ SetFlagInNewMI(NewMI, &MI, AMDGPU::OpName::clamp);
+ SetFlagInNewMI(NewMI, &MI, AMDGPU::OpName::literal);
+ SetFlagInNewMI(NewMI, &MI, AMDGPU::OpName::src0_abs);
+ SetFlagInNewMI(NewMI, &MI, AMDGPU::OpName::src1_abs);
+ SetFlagInNewMI(NewMI, &MI, AMDGPU::OpName::src0_neg);
+ SetFlagInNewMI(NewMI, &MI, AMDGPU::OpName::src1_neg);
}
MI.eraseFromParent();
}