package midend.llvm.instr;

import midend.llvm.value.IrBasicBlock;
import backend.mips.instr.MipsJump;
import backend.mips.instr.type.MipsJumpType;
import midend.llvm.type.IrInterType;

public class JumpInstr extends IrInstr {
    public JumpInstr(IrBasicBlock targetBlock) {
        super(IrInterType.VOID, "jump", IrInstrType.JUMP);
        addUse(targetBlock);
    }

    public IrBasicBlock getTargetBlock() {
        return (IrBasicBlock) getUse(0);
    }

    public String toString() {
        return "br label " + "%" + getTargetBlock().getName();
    }

    public void toMips() {
        new MipsJump(MipsJumpType.J, getTargetBlock().getMipsLabel()); //TODO: 该用JAL吗？
    }
}