[PATCH] D141748: [WoA] Use fences for sequentially consistent stores/writes

[Usman Nadeem via Phabricator via llvm-commits]

mnadeem updated this revision to Diff 490328.
mnadeem added a comment.

- Use fewer barriers and existing acquire/release instruction sequence.
- Add a shouldInsertTrailingFenceForAtomicStore() function.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D141748/new/

https://reviews.llvm.org/D141748

Files:
  llvm/include/llvm/CodeGen/TargetLowering.h
  llvm/lib/CodeGen/AtomicExpandPass.cpp
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/lib/Target/AArch64/AArch64ISelLowering.h
  llvm/test/CodeGen/AArch64/atomic-ops-msvc.ll

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