[llvm-dev] RFC: LTO should use -disable-llvm-verifier

Joerg Sonnenberger via llvm-dev llvm-dev at lists.llvm.org
Sat Aug 29 16:16:06 PDT 2015


On Sat, Aug 29, 2015 at 05:46:54PM -0500, Richard Diamond wrote:
> On Sat, Aug 29, 2015 at 5:42 PM, Joerg Sonnenberger via llvm-dev <
> llvm-dev at lists.llvm.org> wrote:
> 
> > On Sat, Aug 29, 2015 at 03:03:50PM -0700, Duncan P. N. Exon Smith via
> > llvm-dev wrote:
> > > The verifier takes ~5% of link time when using LTO.
> >
> > Why is it so slow?
> >
> 
> I would guess it's because of the seer size of post-LTO bins.

That would explain a large absolute number, but not a large relative
number.

Joerg


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