svenvh added a comment.

In D78979#2007643 <https://reviews.llvm.org/D78979#2007643>, @Anastasia wrote:

> > Would it not become confusing since the builtins are going to be included 
> > by default? Should we rename the flag at least? Also ideally it should be 
> > documented in https://clang.llvm.org/docs/UsersManual.html#opencl-header
>
> ah I guess if we leave it under `-cc1 ` we will have the command line 
> interface as follows:
>
> - Driver (without `-cc1`) adds OpenCL header by default that can be 
> overridden by the flag added in this patch.
> - Frontend (with `-cc1`) doesn't add the header by default but there are two 
> flags `-fdeclare-opencl-builtins` or `-finclude-default-header` that allow to 
> include the header.


The name of `-fdeclare-opencl-builtins` becomes a bit non-intuitive, a more 
intuitive name would be something like `-fopencl-tablegen-builtins` perhaps or 
`-fopencl-fast-builtins` if we don't want to mention TableGen.  But since it is 
still an experimental option, I have no objections against postponing the 
renaming until the option has reached maturity.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D78979/new/

https://reviews.llvm.org/D78979



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