Re: [lto] implement awful types_compatible_p hack

[Chris Lattner <clattner at apple dot com>]

On Dec 22, 2007, at 11:39 AM, Nathan Froyd wrote:
> On Sat, Dec 22, 2007 at 11:23:17AM -0800, Chris Lattner wrote:
> > On Dec 22, 2007, at 11:08 AM, Nathan Froyd wrote:
> > > 253.perlbmk now compiles (with -fwrapv) and runs properly.  This
> > > leaves
> > > a miscompile of 176.gcc as the only remaining C SPECint benchmark  
> > > that
> > > LTO doesn't work with.
> >
> > Cool, what sort of speedups are you seeing?
>
> I haven't done any measurement yet.  I think the binaries are a little
> smaller (my evidence is slim--I was debugging and noticed that the LTO
> dump files inlined in some places where the standoalone compiler
> couldn't), but nothing definite.  I will attempt to get some numbers
> next week.

Great.  I'd be interested to see what runtime and compile time impact  
LTO is starting to show (even though it's very early on).  Getting  
early numbers can be a good way to track progress as the project moves  
forward.

-Chris