[PATCH] D74562: [OpenMP][OMPIRBuilder] Introducing the `OMPBuilderCBHelpers` helper class

[Fady Ghanim via Phabricator via cfe-commits]

fghanim created this revision.
fghanim added a reviewer: jdoerfert.
Herald added subscribers: cfe-commits, guansong.
Herald added a project: clang.

This patch introduces a new helper class `OMPBuilderCBHelpers`, 
which will contain all reusable C/C++ language specific function-
alities required by the `OMPIRBuilder`.

Initially, this helper class contains the body and finalization
codegen functionalities implemented using callbacks which were
moved here for reusability among the different directives
implemented in the `OMPIRBuilder`, along with RAIIs for preserving
state prior to emitting outlined and/or inlined OpenMP regions.

In the future this helper class will also contain all the different
call backs required by OpenMP clauses/variable privatization.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D74562

Files:
  clang/lib/CodeGen/CGStmtOpenMP.cpp
  clang/lib/CodeGen/CodeGenFunction.h
  clang/test/OpenMP/cancel_codegen.cpp
  clang/test/OpenMP/parallel_codegen.cpp

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