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package com.oracle.truffle.llvm.parser.model.enums;

public enum CastOperator {

    TRUNCATE("trunc"),
    ZERO_EXTEND("zext"),
    SIGN_EXTEND("sext"),
    FP_TO_UNSIGNED_INT("fptoui"),
    FP_TO_SIGNED_INT("fptosi"),
    UNSIGNED_INT_TO_FP("uitofp"),
    SIGNED_INT_TO_FP("sitofp"),
    FP_TRUNCATE("fptrunc"),
    FP_EXTEND("fpext"),
    PTR_TO_INT("ptrtoint"),
    INT_TO_PTR("inttoptr"),
    BITCAST("bitcast"),
    ADDRESS_SPACE_CAST("addrspacecast");

    public static CastOperator decode(int code) {
        CastOperator[] ops = values();
        if (code >= 0 && code < ops.length) {
            return ops[code];
        }
        return null;
    }

    private final String irString;

    CastOperator(String irString) {
        this.irString = irString;
    }

    /**
     * Useful to get the llvm ir equivalent string of the enum.
     */
    public String getIrString() {
        return irString;
    }
}