[all-commits] [llvm/llvm-project] 194899: [MemoryDependency] Relax the re-ordering of atomic...

[serguei-katkov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 194899caef241fe3b61be092fd5dd81bfd2c3975
      https://github.com/llvm/llvm-project/commit/194899caef241fe3b61be092fd5dd81bfd2c3975
  Author: Serguei Katkov <serguei.katkov at azul.com>
  Date:   2022-02-17 (Thu, 17 Feb 2022)

  Changed paths:
    M llvm/lib/Analysis/MemoryDependenceAnalysis.cpp
    M llvm/test/Analysis/MemoryDependenceAnalysis/reorder-over-store-atomic.ll

  Log Message:
  -----------
  [MemoryDependency] Relax the re-ordering of atomic store and unordered load/store

Atomic store with Release semantic allows re-ordering of unordered load/store before the store.
Implement it.

Reviewers: reames
Reviewed By: reames
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D119844