package midend.llvm.instr;

import midend.llvm.value.IrValue;
import backend.mips.MipsBuilder;
import backend.mips.Register;
import midend.llvm.type.IrInterType;
import backend.mips.instr.MipsLs;
import backend.mips.instr.type.MipsLsType;

public class StoreInstr extends IrInstr {
    public StoreInstr(IrValue value, IrValue pointer) {
        super(IrInterType.VOID, "store", IrInstrType.STORE);
        addUse(value);
        addUse(pointer);
    }

    public IrValue getValue() {
        return getUse(0);
    }

    public IrValue getPointer() {
        return getUse(1);
    }

    public String toString() {
        return getName() + " " + getValue().getType() + " " + getValue().getName()
                + ", " + getPointer().getType() + " " + getPointer().getName();
    }

    public void toMips() {
        Register valueReg = MipsBuilder.getRegister(getValue());
        if (valueReg == null) {
            valueReg = Register.K0;
        }
        loadValueToReg(getValue(), valueReg);
        Register pointerReg = MipsBuilder.getRegister(getPointer());
        if (pointerReg == null) {
            pointerReg = Register.K1;
        }
        loadValueToReg(getPointer(), pointerReg);
        new MipsLs(MipsLsType.SW, valueReg, pointerReg, 0);
    }
}