// Filters out invocations that are provably safe to ignore, based on proxy attributes/type info
private FunctionAnalysis1stPass.Invocation[] FilterInvocations (FunctionAnalysis1stPass.Invocation[] invocations) {
return invocations.Where(
(invocation) => {
if (invocation.Method == null)
return true;
var secondPass = GetSecondPass(invocation.Method);
if (secondPass == null)
return true;
return (!secondPass.IsPure);
}
).ToArray();
}
