[clang] Llvm modules on demand bmi (PR #71773)
Iain Sandoe via cfe-commits
cfe-commits at lists.llvm.org
Thu Nov 9 08:09:13 PST 2023
iains wrote:
> > clang++ -std=c++20 foo.cpp -c -fmodule-file=X=some/dir/X.pcm
>
> Hm, according to https://clang.llvm.org/docs/StandardCPlusPlusModules.html this can already be achieved with the `-fmodule-output` option (and which I was about to try in `build2`). Is there a reason a different option is used for what seems to be the same functionality. Or am I missing something here?
>
> > This is the main point of the patch - to do this efficiently.
>
> Again, just want to clarify: as I understand it, this patch solves the scaling issue Ben reported (#60996) but without the thin/fat BMI complications, correct?
That is the intent.
https://github.com/llvm/llvm-project/pull/71773
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