> -----Original Message----- > From: Richard Biener <rguent...@suse.de> > Sent: Monday, December 11, 2023 7:38 AM > To: Richard Sandiford <richard.sandif...@arm.com> > Cc: Tamar Christina <tamar.christ...@arm.com>; gcc-patches@gcc.gnu.org; nd > <n...@arm.com>; j...@ventanamicro.com > Subject: Re: [PATCH 15/21]middle-end: [RFC] conditionally support forcing > final > edge for debugging > > On Sat, 9 Dec 2023, Richard Sandiford wrote: > > > Tamar Christina <tamar.christ...@arm.com> writes: > > > Hi All, > > > > > > What do people think about having the ability to force only the latch > > > connected > > > exit as the exit as a param? I.e. what's in the patch but as a param. > > > > > > I found this useful when debugging large example failures as it tells me > > > where > > > I should be looking. No hard requirement but just figured I'd ask if we > > > should. > > > > If it's useful for that, then perhaps it would be worth making it a > > DEBUG_COUNTER instead of a --param, for easy bisection. > > Or even better, make a debug counter that would skip the IV edge and > choose the "next". >
Ah, I'd never heard of debug counters. They look very useful! Did you mean everytime the counter is reached it picks the n-th successor? So If the counter is hit twice it picks the 3rd exit? Thanks, Tamar
