[PATCH] D138481: [LoongArch] Add atomic ordering information for binary atomic operations

[Gong LingQin via Phabricator via llvm-commits]

gonglingqin created this revision.
gonglingqin added reviewers: xen0n, xry111, SixWeining, wangleiat, MaskRay, XiaodongLoong.
Herald added subscribers: StephenFan, hiraditya.
Herald added a project: All.
gonglingqin requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

This patch also implements not emit fence in atomic binary operation
when AtomicOrdering is monotonic. The processing of other levels of
AtomicOrdering will be added later.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D138481

Files:
  llvm/lib/Target/LoongArch/LoongArchExpandAtomicPseudoInsts.cpp
  llvm/lib/Target/LoongArch/LoongArchInstrInfo.td
  llvm/test/CodeGen/LoongArch/ir-instruction/atomicrmw.ll

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