[cfe-dev] [llvm-dev] Splitting up Type.h: Good idea, bad idea?

David Blaikie via cfe-dev cfe-dev at lists.llvm.org
Wed Apr 8 12:05:05 PDT 2020

Have you tried building with modules enabled? (as Lubos mentioned, it's
already supported by the LLVM build). What kind of scaling factors do you
expect to be problematic in LLVM's build?

On Wed, Apr 8, 2020 at 9:59 AM Reid Kleckner via cfe-dev <
cfe-dev at lists.llvm.org> wrote:

> On Wed, Apr 8, 2020 at 5:15 AM Lubos Lunak <l.lunak at centrum.cz> wrote:
>>  If you intend to improve compile time, wouldn't it be better to focus on
>> already existing ways to do that? Specifically with
>> I'd expect Type.h to not matter for compile times at all.
> It's true that modules are generally defined at a larger granularity, and
> pruning includes this way will not affect modular build time. However, I am
> generally skeptical that using modules is a scalable way to speed up local
> builds.
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