[all-commits] [llvm/llvm-project] c4e542: [Remarks] Emit optimization remarks for atomics ge...

[Anshil Gandhi via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c4e5425aa579d21530ef1766d7144b38a347f247
      https://github.com/llvm/llvm-project/commit/c4e5425aa579d21530ef1766d7144b38a347f247
  Author: Anshil Gandhi <Anshil.Gandhi at amd.com>
  Date:   2021-08-13 (Fri, 13 Aug 2021)

  Changed paths:
    A clang/test/CodeGenCUDA/atomics-remarks-gfx90a.cu
    A clang/test/CodeGenOpenCL/atomics-remarks-gfx90a.cl
    M llvm/lib/CodeGen/AtomicExpandPass.cpp
    A llvm/test/CodeGen/AMDGPU/atomics-remarks-gfx90a.ll
    M llvm/test/CodeGen/AMDGPU/llc-pipeline.ll
    M llvm/test/CodeGen/X86/O0-pipeline.ll
    M llvm/test/CodeGen/X86/opt-pipeline.ll

  Log Message:
  -----------
  [Remarks] Emit optimization remarks for atomics generating CAS loop

Implements ORE in AtomicExpandPass to report atomics generating a compare
and swap loop.

Differential Revision: https://reviews.llvm.org/D106891