[all-commits] [llvm/llvm-project] 07e16a: [Flang][OpenMP] Add implementation of privatisation

[kiranchandramohan via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 07e16a2aae68a02629cbcb34a0c0b12cb84754f8
      https://github.com/llvm/llvm-project/commit/07e16a2aae68a02629cbcb34a0c0b12cb84754f8
  Author: Kiran Chandramohan <kiran.chandramohan at arm.com>
  Date:   2022-04-11 (Mon, 11 Apr 2022)

  Changed paths:
    M flang/include/flang/Lower/AbstractConverter.h
    M flang/lib/Lower/Bridge.cpp
    M flang/lib/Lower/OpenMP.cpp
    M flang/lib/Optimizer/Builder/FIRBuilder.cpp
    A flang/test/Lower/OpenMP/omp-parallel-firstprivate-clause-scalar.f90
    A flang/test/Lower/OpenMP/omp-parallel-private-clause.f90

  Log Message:
  -----------
  [Flang][OpenMP] Add implementation of privatisation

Privatisation creates local copies of variables in the OpenMP region.
Two functions `createHostAssociateVarClone` and `copyHostAssociateVar`
are added to create a clone of the variable for basic privatisation and to
copy the contents for first-privatisation.

Note: Tests for more data-types will be added when the fir.do_loop is
upstreamed.

This is part of the upstreaming effort from the fir-dev branch in [1].
[1] https://github.com/flang-compiler/f18-llvm-project

Reviewed By: peixin, NimishMishra

Differential Revision: https://reviews.llvm.org/D122595

Co-authored-by: Jean Perier <jperier at nvidia.com>
Co-authored-by: Eric Schweitz <eschweitz at nvidia.com>
Co-authored-by: Peter Klausler <pklausler at nvidia.com>
Co-authored-by: Valentin Clement <clementval at gmail.com>
Co-authored-by: Sourabh Singh Tomar <SourabhSingh.Tomar at amd.com>
Co-authored-by: Nimish Mishra <neelam.nimish at gmail.com>
Co-authored-by: Peixin-Qiao <qiaopeixin at huawei.com>