[all-commits] [llvm/llvm-project] bcb436: [NewPM] Add missing LTO ArgPromotion pass

[Nikita Popov via All-commits]

  Branch: refs/heads/release/13.x
  Home:   https://github.com/llvm/llvm-project
  Commit: bcb43617cb7f124ea5c10c29818eca6f44dc5f58
      https://github.com/llvm/llvm-project/commit/bcb43617cb7f124ea5c10c29818eca6f44dc5f58
  Author: Nikita Popov <nikita.ppv at gmail.com>
  Date:   2021-09-01 (Wed, 01 Sep 2021)

  Changed paths:
    M llvm/lib/Passes/PassBuilder.cpp
    M llvm/test/Other/new-pm-lto-defaults.ll

  Log Message:
  -----------
  [NewPM] Add missing LTO ArgPromotion pass

This is a followup to D96780 to add one more pass missing from the
NewPM LTO pipeline. The missing ArgPromotion run is inserted at
the same position as in the LegacyPM, resolving the already
present FIXME:
https://github.com/llvm/llvm-project/blob/16086d47c0d0cd08ffae8e69a69c88653e654d01/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp#L1096-L1098

The compile-time impact is minimal with ~0.1% geomean regression
on CTMark.

Differential Revision: https://reviews.llvm.org/D108866

(cherry picked from commit b28c3b9d9f4292d7779a0e2661d308f1230c6ecd)