[all-commits] [llvm/llvm-project] 8c7523: [AMDGPU][gfx12] Clean-up implementation of waits b...

[Pierre van Houtryve via All-commits]

  Branch: refs/heads/users/pierre-vh/cleanup-wait-before-scope-sys-store
  Home:   https://github.com/llvm/llvm-project
  Commit: 8c75236ea4084bda8a5e0ab0b4eea5a142d4f157
      https://github.com/llvm/llvm-project/commit/8c75236ea4084bda8a5e0ab0b4eea5a142d4f157
  Author: pvanhout <pierre.vanhoutryve at amd.com>
  Date:   2025-07-28 (Mon, 28 Jul 2025)

  Changed paths:
    M llvm/lib/Target/AMDGPU/SIMemoryLegalizer.cpp
    M llvm/test/CodeGen/AMDGPU/memory-legalizer-local-volatile.ll

  Log Message:
  -----------
  [AMDGPU][gfx12] Clean-up implementation of waits before SCOPE_SYS stores

We can do it all in finalizeStore if we ensure it always sees the stores.
For that, I needed to fix a hidden bug where finalizeStore wouldn't see all stores
because sometimes the iterator got out-of-sync and didn't point to the store anymore.

This also removes the waits before volatile LDS stores which never needed it, that was a bug until now.



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