[PATCH] D120262: [OpenCL] Handle TypeExtensions in OpenCLBuiltinFileEmitter

[Sven van Haastregt via Phabricator via cfe-commits]

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Until now, any types that had TypeExtensions attached to them were not
guarded with those extensions.  Extend the OpenCLBuiltinFileEmitter
such that all required extensions are emitted for the types of a
builtin function.

The `clang-tblgen -gen-clang-opencl-builtin-tests` emitter will now
produce e.g.:

  #if defined(cl_khr_fp16) && defined(cl_khr_fp64)
  half8 test11802_convert_half8_rtp(double8 arg1) {
    return convert_half8_rtp(arg1);
  }
  #endif // TypeExtension


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D120262

Files:
  clang/utils/TableGen/ClangOpenCLBuiltinEmitter.cpp

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