[all-commits] [llvm/llvm-project] 366636: [mlir][nvvm] Introduce redux op

[Guray Ozen via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 36663626ee336905745cb1c259b3b65c9ff656bf
      https://github.com/llvm/llvm-project/commit/36663626ee336905745cb1c259b3b65c9ff656bf
  Author: Guray Ozen <guray.ozen at gmail.com>
  Date:   2023-01-20 (Fri, 20 Jan 2023)

  Changed paths:
    M mlir/include/mlir/Dialect/LLVMIR/NVVMOps.td
    M mlir/lib/Target/LLVMIR/Dialect/NVVM/NVVMToLLVMIRTranslation.cpp
    M mlir/test/Dialect/LLVMIR/nvvm.mlir

  Log Message:
  -----------
  [mlir][nvvm] Introduce redux op

Ptx model has `redux.sync` that performs reduction operation on the data from each predicated active thread in the thread group. It only is available sm80+.

This revision adds redux as on op to nvvm dialect.

Reviewed By: nicolasvasilache

Differential Revision: https://reviews.llvm.org/D142088