[all-commits] [llvm/llvm-project] 157c8d: [GVN] lazily update dominator tree when merge unco...

[Enna1 via All-commits]

  Branch: refs/heads/users/Enna1/gvn-lazy-update-domtree
  Home:   https://github.com/llvm/llvm-project
  Commit: 157c8d4cc74f6b3faf17e195a1f58cbc0ec56a6d
      https://github.com/llvm/llvm-project/commit/157c8d4cc74f6b3faf17e195a1f58cbc0ec56a6d
  Author: xumingjie.enna1 <xumingjie.enna1 at bytedance.com>
  Date:   2024-04-12 (Fri, 12 Apr 2024)

  Changed paths:
    M llvm/lib/Transforms/Scalar/GVN.cpp

  Log Message:
  -----------
  [GVN] lazily update dominator tree when merge unconditional branches in function

With this change, the wall time for of GVN pass decreased from 873,745.492 ms to 367,375.304 ms in an our internal testcase.



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