[llvm-dev] pragma and function insertion

[Michael Kruse via llvm-dev]

Hi,

several OpenMP directives do this, such as #pragma omp flush. It's
handling is in StmtOpenMP.cpp (OMPFlushDirective) and
CGOpenMPRuntime.cpp (CGOpenMPRuntime::emitFlush)

Michael


Am Do., 13. Juni 2019 um 12:13 Uhr schrieb Julien Schmitt via llvm-dev
<llvm-dev at lists.llvm.org>:
>
> Dear community,
>
> For my project, I defined a #pragma and i would like clang to replace this pragma by a function call.
>
> After reading tutorials, I managed to write a plugin which is able to parse and recognize this pragma.
>
> Now I have some difficulties to transform this pragma into a function call.
>
>
> My comprehension is that I need first to declare a new annotation token and insert it in the stream.
>
> Then I should process this token and call the function I want.
> Is this approach correct? Can a frontendAction do this job?
>
>
> However, I have the feeling this process should be very common and probably the solution is already written somewhere ...  Does anybody have a similar example?
>
>
> Thanks a lot !
>
>
>
> --------------------
> Julien Schmitt
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>
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