[CGAtomic] Delete outdated code comparing success/failure ordering for cmpxchg.
authorEli Friedman <efriedma@quicinc.com>
Fri, 28 May 2021 22:32:36 +0000 (15:32 -0700)
committerEli Friedman <efriedma@quicinc.com>
Fri, 28 May 2021 22:36:01 +0000 (15:36 -0700)
commit577fea4e1a13319adf2b660f57bf570195a7f78d
treed94486130180d9719a1c3a76f3e200e1573851fe
parent2644399ce7721cba9a546a9af09fd2a942a4d0cd
[CGAtomic] Delete outdated code comparing success/failure ordering for cmpxchg.

This doesn't actually have any effect: we only call this code with
SequentiallyConsistent orderings.  But delete it anyway for consistency
with other recent changes.
clang/lib/CodeGen/CGAtomic.cpp