[all-commits] [llvm/llvm-project] fbbf5d: [NVPTX] Preserve volatile on atomic local loads an...

[Alex MacLean via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: fbbf5d2daec93118bb5e478b7d6089fbbb857f94
      https://github.com/llvm/llvm-project/commit/fbbf5d2daec93118bb5e478b7d6089fbbb857f94
  Author: Alex MacLean <amaclean at nvidia.com>
  Date:   2026-09-21 (Mon, 21 Sep 2026)

  Changed paths:
    M llvm/lib/Target/NVPTX/NVPTXISelDAGToDAG.cpp
    M llvm/lib/Target/NVPTX/NVPTXSubtarget.h
    M llvm/test/CodeGen/NVPTX/volatile-local.ll

  Log Message:
  -----------
  [NVPTX] Preserve volatile on atomic local loads and stores (#224719)

Local loads and stores discard atomic ordering during instruction
selection, but volatile accesses with acquire, release, or seq_cst
ordering also lose the volatile qualifier. Preserve volatile for all
valid load/store orderings when local volatile instructions are
supported. Follow up to #217764.



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