A visualization of GCC's passes, as a subway map

[Paulo J. Matos]

On 12/07/11 08:22, Paolo Bonzini wrote:
> On 07/11/2011 07:56 PM, David Malcolm wrote:
>> Hope this is fun/helpful (and that I'm correctly interpreting the data!)
>
> You are, and it shows some bugs even. gimple_lcx is obviously destroyed
> by expand, and I find it unlikely that no pass ever introduces a
> critical edge...
>

But the diagram shows gimple_lcx stopping at expand but continuing its 
lifetime through RTL passes (so gimple_lcx according to the diagram is 
_not_ destroyed by expand). So, I am left wondering if the bug is in the 
diagram or GCC.

-- 
PMatos