[PATCH] D85676: [NewPM] collapsing nested pass mangers of the same type

[Yuanfang Chen via Phabricator via cfe-commits]

ychen created this revision.
ychen added reviewers: asbirlea, chandlerc.
Herald added subscribers: llvm-commits, cfe-commits, dexonsmith, steven_wu, hiraditya.
Herald added projects: clang, LLVM.
ychen requested review of this revision.

This is one of the reason for extra invalidations in D84959 <https://reviews.llvm.org/D84959>. In
practice, I don't think we have use cases needing this. This simplifies
the pipeline a bit and prune corner cases when considering
invalidations.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D85676

Files:
  clang/test/CodeGen/thinlto-distributed-newpm.ll
  llvm/include/llvm/IR/PassManager.h
  llvm/test/Other/new-pass-manager.ll
  llvm/test/Other/new-pm-defaults.ll
  llvm/test/Other/new-pm-lto-defaults.ll
  llvm/test/Other/new-pm-thinlto-defaults.ll
  llvm/test/Other/new-pm-thinlto-postlink-pgo-defaults.ll
  llvm/test/Other/new-pm-thinlto-postlink-samplepgo-defaults.ll
  llvm/test/Other/new-pm-thinlto-prelink-pgo-defaults.ll
  llvm/test/Other/new-pm-thinlto-prelink-samplepgo-defaults.ll
  llvm/test/Other/pass-pipeline-parsing.ll

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