[PATCH] D49440: [WebAssembly] Enable atomic expansion for unsupported atomicrmws

[Heejin Ahn via Phabricator via llvm-commits]

aheejin updated this revision to Diff 159411.
aheejin added a comment.
Herald added a subscriber: jfb.

- Test case / comment fix about potential cmpxchg optimizations


Repository:
  rL LLVM

https://reviews.llvm.org/D49440

Files:
  lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
  lib/Target/WebAssembly/WebAssemblyISelLowering.h
  lib/Target/WebAssembly/WebAssemblyInstrAtomics.td
  test/CodeGen/WebAssembly/atomic-rmw.ll

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