/// <summary>
/// Inserts instructions before a target in a method.
/// </summary>
/// <param name="md">The method.</param>
/// <param name="target">The instruction target.</param>
/// <param name="instructions">The instructions.</param>
public static void InsertBefore(this MethodDefinition md, Instruction target, params Instruction[] instructions)
{
var ilp = md.Body.GetILProcessor();
ilp.InsertAfter(target, target.Copy());
target.OpCode = OpCodes.Nop;
for (int i = instructions.Length - 1; i >= 0; i--)
ilp.InsertAfter(target, instructions[i]);
if (!shortToLongMethods.Contains(md))
shortToLongMethods.Add(md);
}