package midend.llvm.instr;

import midend.llvm.value.IrBasicBlock;
import midend.llvm.value.IrValue;
import midend.llvm.type.IrInterType;

public class BranchInstr extends IrInstr {
    public BranchInstr(String name, IrValue cond, IrBasicBlock trueBB, IrBasicBlock falseBB) {
        super(IrInterType.VOID, name, IrInstrType.BR);
        addUse(cond);
        addUse(trueBB);
        addUse(falseBB);
    }

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

    public IrBasicBlock getTrueBB() {
        return (IrBasicBlock) getUse(1);
    }

    public IrBasicBlock getFalseBB() {
        return (IrBasicBlock) getUse(2);
    }

    public String toString() {
        return "br i1 " + getCond().getName() +
                ", label %" + getTrueBB().getName() + 
                ", label %" + getFalseBB().getName();
    }

}