[PATCH] D157389: AutoUpgrade: Use syncscope("agent") atomic.inc/dec intrinsic upgrade

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
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The old syncscope parameter never really worked correctly, but
effectively gave "workgroup" scope. Use something faster than system
but more correct than before.


https://reviews.llvm.org/D157389

Files:
  llvm/lib/IR/AutoUpgrade.cpp
  llvm/test/Bitcode/amdgcn-atomic.ll

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