[all-commits] [llvm/llvm-project] 5acd47: [ORC] Add a shared-memory based orc::MemoryMapper.

[Anubhab Ghosh via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5acd471698849d9e322a29e6ca08791e8d447b7b
      https://github.com/llvm/llvm-project/commit/5acd471698849d9e322a29e6ca08791e8d447b7b
  Author: Anubhab Ghosh <anubhabghosh.me at gmail.com>
  Date:   2022-07-13 (Wed, 13 Jul 2022)

  Changed paths:
    M llvm/include/llvm/ExecutionEngine/Orc/MemoryMapper.h
    M llvm/include/llvm/ExecutionEngine/Orc/Shared/OrcRTBridge.h
    A llvm/include/llvm/ExecutionEngine/Orc/TargetProcess/ExecutorSharedMemoryMapperService.h
    M llvm/lib/ExecutionEngine/Orc/MemoryMapper.cpp
    M llvm/lib/ExecutionEngine/Orc/Shared/OrcRTBridge.cpp
    M llvm/lib/ExecutionEngine/Orc/TargetProcess/CMakeLists.txt
    A llvm/lib/ExecutionEngine/Orc/TargetProcess/ExecutorSharedMemoryMapperService.cpp
    M llvm/unittests/ExecutionEngine/Orc/CMakeLists.txt
    A llvm/unittests/ExecutionEngine/Orc/SharedMemoryMapperTest.cpp

  Log Message:
  -----------
  [ORC] Add a shared-memory based orc::MemoryMapper.

This is an implementation of orc::MemoryMapper that maps shared memory
pages in both executor and controller process and writes directly to
them avoiding transferring content over EPC. All allocations are properly
deinitialized automatically on the executor side at shutdown by the
ExecutorSharedMemoryMapperService.

Reviewed By: lhames

Differential Revision: https://reviews.llvm.org/D128544