[PATCH] D141406: [AArch64] Codegen for FEAT_LSE128

[Sam Elliott via Phabricator via llvm-commits]

lenary added a comment.

In D141406#4062802 <https://reviews.llvm.org/D141406#4062802>, @tschuett wrote:

> If there are equivalent instructions in LLVM IR, you could touch the IR translator?

Right now, GlobalISel falls back to SelectionDAG for many atomics, including those above (the `-O0` case is the globalisel case, but it has fallen back). I think GlobalISel work for these atomics can come in a later patch, to be honest.


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