[all-commits] [llvm/llvm-project] bc0c17: [Clang][OpenMP][OMPIRBuilder] Move Clang's OpenMP ...

[agozillon via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: bc0c1783fd5a4b0a220ffff2ee9613cefd2c67d7
      https://github.com/llvm/llvm-project/commit/bc0c1783fd5a4b0a220ffff2ee9613cefd2c67d7
  Author: agozillon <Andrew.Gozillon at amd.com>
  Date:   2023-10-03 (Tue, 03 Oct 2023)

  Changed paths:
    M clang/lib/CodeGen/CGOpenMPRuntime.cpp
    M llvm/include/llvm/Frontend/OpenMP/OMPIRBuilder.h
    M llvm/lib/Frontend/OpenMP/OMPIRBuilder.cpp

  Log Message:
  -----------
  [Clang][OpenMP][OMPIRBuilder] Move Clang's OpenMP Member/MemberOf flag helpers into the OMPIRBuilder (#67844)

This patch seeks to move the following functions to the OMPIRBuilder:
 - getFlagMemberOffset
 - getMemberOfFlag
 - setCorrectMemberOfFlag

These small helper functions help set the end bits of the
OpenMPOffloadMappingFlags flag that correspond to the reserved segment
for OMP_MAP_MEMBER_OF.

They will be of use in the future for lowering MLIR types/values that
can contian members and can be lowered similarly to a structure or class
type within the OpenMPToLLVMIRTranslation step of the OpenMP dialects
lowering to LLVM-IR. In particular for Flang which currently uses this
flow. Types with descriptors like pointers/allocatables, and likely
derived types in certain cases can be lowered as if they were structures
with explicitly mapped members.