[all-commits] [llvm/llvm-project] 5ab04b: [mlir][gpu] Add device side async copy operations

[Thomas via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5ab04bc068d546a12e75b83970a8f737d6ebd813
      https://github.com/llvm/llvm-project/commit/5ab04bc068d546a12e75b83970a8f737d6ebd813
  Author: Thomas Raoux <thomasraoux at google.com>
  Date:   2022-02-10 (Thu, 10 Feb 2022)

  Changed paths:
    M mlir/include/mlir/Dialect/GPU/GPUBase.td
    M mlir/include/mlir/Dialect/GPU/GPUDialect.h
    M mlir/include/mlir/Dialect/GPU/GPUOps.td
    M mlir/lib/Conversion/GPUToNVVM/LowerGpuOpsToNVVMOps.cpp
    M mlir/lib/Dialect/GPU/IR/GPUDialect.cpp
    M mlir/test/Conversion/GPUToNVVM/gpu-to-nvvm.mlir
    M mlir/test/Dialect/GPU/invalid.mlir
    M mlir/test/Dialect/GPU/ops.mlir

  Log Message:
  -----------
  [mlir][gpu] Add device side async copy operations

Add new operations to the gpu dialect to represent device side
asynchronous copies. This also add the lowering of those operations to
nvvm dialect.
Those ops are meant to be low level and map directly to llvm dialects
like nvvm or rocdl.

We can further add higher level of abstraction by building on top of
those operations.
This has been discuss here:
https://discourse.llvm.org/t/modeling-gpu-async-copy-ampere-feature/4924

Differential Revision: https://reviews.llvm.org/D119191