Matt Arsenault 204a417d51 AutoUpgrade: Use syncscope("agent") atomic.inc/dec intrinsic upgrade ...

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

2023-08-10 17:38:25 -04:00

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