[LLVMdev] [cfe-dev] [RFC] Raising LLVM minimum required MSVC version to 2013 for trunk

[Greg Bedwell]

This thread seems to have stalled again without resolution :).  Is there
anything else left blocking this change?  We've had our PS4 toolchain
builds switched over to VS2013 since I reported back in October without any
issues.

-Greg

On 8 October 2014 at 18:35, Aaron Ballman <aaron at aaronballman.com> wrote:

> On Wed, Oct 8, 2014 at 12:17 PM, Greg Bedwell <gregbedwell at gmail.com>
> wrote:
> > Hi,
> >
> > To follow up from Paul last week:
> >
> >> I'm expecting to have our internal builds switched over later this
> >> week.  Our investigations have shown no problems.
> >
> > We've now updated our internal builds from 2012.4 (cl.exe 17.0.61030) to
> > 2013.3 (cl.exe 18.00.30723).  Our automated testing over the weekend
> hasn't
> > shown any correctness issues so we plan to continue using it now..
> >
> > From some of the stats I've collected it seems to be a worthwhile update.
> > On my own machine, the time for a full rebuild from clean of ALL_BUILD
> (LLVM
> > & Clang, Release + asserts + debug info, not using ninja) has improved by
> > 20%.  Doing a like-for-like build of various benchmarks and games using
> > clang built by VS2012 and VS2013, the clang build speed of a typical -O2
> -g
> > build is somewhere between in the noise and 1% faster with VS2013.  We've
> > not yet observed any regressions in the speed of clang since upgrading.
>
> Great, thank you for the feedback!
>
> ~Aaron
>
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