================
@@ -333,7 +335,48 @@ bool AtomicExpandImpl::tryInsertFencesForAtomic(AtomicInst
*AtomicI,
return false;
}
+/// In a single-threaded environment, atomic operations can be lowered to their
+/// non-atomic equivalents: fences are removed, and atomic loads, stores, RMW,
+/// and cmpxchg become plain memory operations.
+bool AtomicExpandImpl::lowerToNonAtomic(Instruction *I) {
----------------
nickdesaulniers wrote:
LowerAtomic as in the `createLowerAtomicPass` call removed from
llvm/lib/Target/ARM/ARMTargetMachine.cpp below? Are you planning to delete that
pass?
https://github.com/llvm/llvm-project/pull/223157
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