[all-commits] [llvm/llvm-project] bc61cc: [mlir][AMDGPU] Add lds_barrier op

[Krzysztof Drewniak via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: bc61cc9a2db56eeb5fd299132037757da339aebd
      https://github.com/llvm/llvm-project/commit/bc61cc9a2db56eeb5fd299132037757da339aebd
  Author: Krzysztof Drewniak <Krzysztof.Drewniak at amd.com>
  Date:   2022-07-14 (Thu, 14 Jul 2022)

  Changed paths:
    M mlir/include/mlir/Dialect/AMDGPU/AMDGPU.td
    M mlir/lib/Conversion/AMDGPUToROCDL/AMDGPUToROCDL.cpp
    M mlir/test/Conversion/AMDGPUToROCDL/amdgpu-to-rocdl.mlir
    M mlir/test/Dialect/AMDGPU/ops.mlir

  Log Message:
  -----------
  [mlir][AMDGPU] Add lds_barrier op

The lds_barrier op allows workgroups to wait at a barrier for
operations to/from their local data store (LDS) to complete without
incurring the performance penalties of a full memory fence.

Reviewed By: nirvedhmeshram

Differential Revision: https://reviews.llvm.org/D129522