Add Cross Registering Standard LLVM Analyses

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Boiler plate for setting up a pipeline in llvm exists in several repos, including anvill and rellic:

  llvm::PassBuilder pb;
  llvm::ModulePassManager mpm;
  llvm::ModuleAnalysisManager mam;
  llvm::LoopAnalysisManager lam;
  llvm::CGSCCAnalysisManager cam;
  llvm::FunctionAnalysisManager fam;

  pb.registerFunctionAnalyses(fam);
  pb.registerModuleAnalyses(mam);
  pb.registerCGSCCAnalyses(cam);
  pb.registerLoopAnalyses(lam);

  pb.crossRegisterProxies(lam, fam, cam, mam);


do stuff


  fam.clear();
  mam.clear();
  cam.clear();
  lam.clear();

We should have a set of pass related utilities