[all-commits] [llvm/llvm-project] f0b61f: Revert "[GlobalOpt] Don't replace alias with alias...

[aeubanks via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f0b61f795758ae8deba8e7f940b6df42639f91dc
      https://github.com/llvm/llvm-project/commit/f0b61f795758ae8deba8e7f940b6df42639f91dc
  Author: Arthur Eubanks <aeubanks at google.com>
  Date:   2022-03-03 (Thu, 03 Mar 2022)

  Changed paths:
    M llvm/docs/LangRef.rst
    M llvm/lib/Transforms/IPO/GlobalOpt.cpp
    M llvm/test/Transforms/GlobalOpt/2009-02-15-ResolveAlias.ll
    M llvm/test/Transforms/GlobalOpt/alias-resolve.ll
    M llvm/test/Transforms/GlobalOpt/alias-used-address-space.ll
    M llvm/test/Transforms/GlobalOpt/alias-used.ll

  Log Message:
  -----------
  Revert "[GlobalOpt] Don't replace alias with aliasee if either alias/aliasee may be preemptible"

This reverts commit 30e8f83c84c5a302a559722fc0d2973dc3f425ee.

Causes huge compile time regressions on certain large files. Will followup offline with author.