[all-commits] [llvm/llvm-project] ee9263: [CIR] Add sync scope to atomic fetch-and-update op...

[Sirui Mu via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ee9263bc7fdb8ae14a279998781adb25639c5f98
      https://github.com/llvm/llvm-project/commit/ee9263bc7fdb8ae14a279998781adb25639c5f98
  Author: Sirui Mu <msrlancern at gmail.com>
  Date:   2026-02-12 (Thu, 12 Feb 2026)

  Changed paths:
    M clang/include/clang/CIR/Dialect/IR/CIROps.td
    M clang/lib/CIR/CodeGen/CIRGenAtomic.cpp
    M clang/lib/CIR/CodeGen/CIRGenBuiltin.cpp
    M clang/lib/CIR/Dialect/Transforms/TargetLowering.cpp
    M clang/lib/CIR/Lowering/DirectToLLVM/LowerToLLVM.cpp
    M clang/test/CIR/CodeGen/atomic-scoped.c
    M clang/test/CIR/CodeGen/atomic.c
    M clang/test/CIR/IR/invalid-atomic.cir

  Log Message:
  -----------
  [CIR] Add sync scope to atomic fetch-and-update operation (#180770)

This patch adds synchronization scope support to the `cir.atomic.fetch`
operation.

Most of the new test code in `atomic-scoped.c` is generated by an AI
agent. The generated tests are manually reviewed and verified.

Assisted-by: Copilot with GPT-5.2-Codex



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