int EmulateBrtrue(int instrIndex)
        {
            var val1 = instructionEmulator.Pop();

            var instr      = methodToInline.Body.Instructions[instrIndex];
            var instrTrue  = (Instruction)instr.Operand;
            var instrFalse = methodToInline.Body.Instructions[instrIndex + 1];

            if (val1.IsInt32())
            {
                return(EmulateBranch(1, Int32Value.CompareTrue((Int32Value)val1), instrTrue, instrFalse));
            }
            return(-1);
        }