[PATCH] D109175: [openmp] Add clang cc1 option -fopenmp-skip-deferred-diags

[Roman Lebedev via Phabricator via cfe-commits]

lebedev.ri added a comment.

In D109175#2980333 <https://reviews.llvm.org/D109175#2980333>, @weiwang wrote:

> Our internal codebase never uses the target directive. Once the deferred diags is bypassed, we observed 18% e2e build time improvement.

Is that with `-fopenmp` or without?
That seems, kinda a lot more than i would have expected,
perhaps there are some other ways to reduce the overhead other than this approach?


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  https://reviews.llvm.org/D109175/new/

https://reviews.llvm.org/D109175