[llvm] [AArch64] Mark neon.stN intrinsics as writeonly (PR #145289)

Eli Friedman via llvm-commits llvm-commits at lists.llvm.org
Mon Jun 23 09:41:56 PDT 2025


https://github.com/efriedma-quic commented:

Seems fine; the intrinsics are supposed to have the same memory semantics as normal IR operations.  (We currently don't provide "volatile" variants.  You can use inline asm if you really need that for some strange reason.)

Please add a regression test of some sort to track that we've added this marking.

https://github.com/llvm/llvm-project/pull/145289


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