[PATCH] D104040: [OpenCL] Add TableGen emitter for OpenCL builtin header

[Sven van Haastregt via Phabricator via cfe-commits]

svenvh created this revision.
svenvh added reviewers: azabaznov, Anastasia.
svenvh added a project: clang.
Herald added subscribers: ldrumm, yaxunl.
svenvh requested review of this revision.
Herald added a subscriber: cfe-commits.

Add an emitter to produce something similar to `opencl-c.h` from the
OpenCL builtin descriptions in `OpenCLBuiltins.td`

Factor out functionality that can be shared between the test emitter
and the header emitter into a new base class.

This only adds the emitter, without any use of it currently.

Example output excerpt (the full output is about 16k lines):

  ...
  __ovld __cnfn size_t get_global_id(uint);
  __ovld __cnfn size_t get_local_size(uint);
  __ovld __cnfn size_t get_local_id(uint);
  __ovld __cnfn size_t get_num_groups(uint);
  __ovld __cnfn size_t get_group_id(uint);
  __ovld __cnfn size_t get_global_offset(uint);
  #if __OPENCL_C_VERSION__ >= CL_VERSION_2_0
  __ovld size_t get_enqueued_local_size(uint);
  #endif // MinVersion
  ...


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D104040

Files:
  clang/utils/TableGen/ClangOpenCLBuiltinEmitter.cpp
  clang/utils/TableGen/TableGen.cpp
  clang/utils/TableGen/TableGenBackends.h

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