[LLVMdev] [LLVMDev] Long compile times

[Jean-Daniel Dupas]

Le 2 nov. 2010 à 18:59, Óscar Fuentes a écrit :

> Jeff Kunkel <jdkunk3 at gmail.com> writes:
> 
>> I'm just running VS 10 in debug mode. In a step by step set up:
>> 
>> 1. I download the svn
>> 2. I make my changes
>> 3. I compile the libraries
>> 4. I make changes to the code within my project
>> 5. I compile my code, and I re-link llc with my changed files.
>> 6. I repeat 4,5, and 6 until it finally works.
> 
> Well, that is hardly unexpected and adds little information to this
> issue. The Output window on the IDE shows what the build is doing at
> every moment and there you can see where it slows down.
> 
> Do you usually touch anything that requires tablegenning? A VC++
> application compiled with debug settings is *much* slower that its
> release-mode incarnation.

Just my 2 cents. Is LTO enabled ? My experience with LTO in Visual Studio is that it significantly slows down link step.


-- Jean-Daniel