Re: Timing information for CFG manipulations

[Brad Lucier <lucier at math dot purdue dot edu>]

> 
> 
> >  44.47    348.50   348.50  7450804     0.05     0.05  remove_edge
> >  32.36    602.16   253.66     9556    26.54    26.54  sbitmap_vector_alloc
> 
> ...
> 
> 
> >                 0.08    0.00       3/9556        flow_loops_find [59]
> >                 0.16    0.00       6/9556        estimate_probability [33]
> >                 0.16    0.00       6/9556        if_convert [25]
> >                 0.32    0.00      12/9556        optimize_mode_switching [19]
> >                 1.43    0.00      54/9556        pre_edge_lcm [24]
> >               251.51    0.00    9475/9556        make_edges [10]
> > [13]    32.4  253.66    0.00    9556         sbitmap_vector_alloc [13]
> 
> Two things:
> 
> - Can you repeat this test with cc1 linked against a profile-
> instrumented libc,

Unfortunately, on this box libc_p.a seems to be significantly older than
libc.a and there are link errors.

> and libiberty re-built with CFLAGS="-O2 -g -pg"?

I tried this, too, and it links, but I can't get a gmon.out file from
running the resulting cc1.  Perhaps I just don't know how to do such
things properly.

Brad