[all-commits] [llvm/llvm-project] 6e8ffa: [mlir][nvvm] Introduce `elect.sync` Op (#68323)

[Guray Ozen via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6e8ffab9b6740e3f4764541aee8b30b8c1d4f6fc
      https://github.com/llvm/llvm-project/commit/6e8ffab9b6740e3f4764541aee8b30b8c1d4f6fc
  Author: Guray Ozen <guray.ozen at gmail.com>
  Date:   2023-10-09 (Mon, 09 Oct 2023)

  Changed paths:
    M mlir/include/mlir/Dialect/LLVMIR/NVVMOps.td
    M mlir/lib/Conversion/NVVMToLLVM/NVVMToLLVM.cpp
    M mlir/test/Conversion/NVVMToLLVM/nvvm-to-llvm.mlir

  Log Message:
  -----------
  [mlir][nvvm] Introduce `elect.sync` Op (#68323)

The Op selects a leader thread from a set of threads.

See for more information:

https://docs.nvidia.com/cuda/parallel-thread-execution/index.html#parallel-synchronization-and-communication-instructions-elect-sync