[all-commits] [llvm/llvm-project] dd7ca1: [AMDGPU] Check noalias.addrspace in mayAccessScrat...

[Pierre van Houtryve via All-commits]

  Branch: refs/heads/users/pierre-vh/noalias-addrspace-memlegalizer
  Home:   https://github.com/llvm/llvm-project
  Commit: dd7ca13970e980fa7464cfdc1fa8e2753b81476a
      https://github.com/llvm/llvm-project/commit/dd7ca13970e980fa7464cfdc1fa8e2753b81476a
  Author: pvanhout <pierre.vanhoutryve at amd.com>
  Date:   2025-07-30 (Wed, 30 Jul 2025)

  Changed paths:
    M llvm/lib/Target/AMDGPU/SIInstrInfo.cpp
    M llvm/test/CodeGen/AMDGPU/gfx1250-scratch-scope-se.ll

  Log Message:
  -----------
  [AMDGPU] Check noalias.addrspace in mayAccessScratchThroughFlat

PR #149247 made the MD accessible by the backend so we can now leverage it
in the memory model. The first use case here is detecting if a flat op
can access scratch memory.
Benefits both the MemoryLegalizer and InsertWaitCnt.



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