Re: [PATCH] Mark irreducible regions in the backwards threader

2021-06-15 Thread Jeff Law via Gcc-patches
On 6/15/2021 12:04 AM, Richard Biener wrote: On Tue, 15 Jun 2021, Aldy Hernandez wrote: On 6/14/21 4:04 PM, Richard Biener wrote: The same issue that arises in PR100934 can happen in the backward threader now (Aldy?) - we eventually run into mark_irreducible_loops for non-FSM thread paths

Re: [PATCH] Mark irreducible regions in the backwards threader

2021-06-15 Thread Aldy Hernandez via Gcc-patches
On 6/15/21 10:27 AM, Richard Biener wrote: On Tue, 15 Jun 2021, Richard Biener wrote: On Tue, 15 Jun 2021, Aldy Hernandez wrote: On 6/14/21 4:04 PM, Richard Biener wrote: The same issue that arises in PR100934 can happen in the backward threader now (Aldy?) - we eventually run into mark

Re: [PATCH] Mark irreducible regions in the backwards threader

2021-06-15 Thread Richard Biener
On Tue, 15 Jun 2021, Richard Biener wrote: > On Tue, 15 Jun 2021, Aldy Hernandez wrote: > > > > > > > On 6/14/21 4:04 PM, Richard Biener wrote: > > > The same issue that arises in PR100934 can happen in the backward > > > threader now (Aldy?) - we eventually run into mark_irreducible_loops > >

Re: [PATCH] Mark irreducible regions in the backwards threader

2021-06-14 Thread Richard Biener
On Tue, 15 Jun 2021, Aldy Hernandez wrote: > > > On 6/14/21 4:04 PM, Richard Biener wrote: > > The same issue that arises in PR100934 can happen in the backward > > threader now (Aldy?) - we eventually run into mark_irreducible_loops > > for non-FSM thread paths checking for paths crossing irred

Re: [PATCH] Mark irreducible regions in the backwards threader

2021-06-14 Thread Aldy Hernandez via Gcc-patches
On 6/14/21 4:04 PM, Richard Biener wrote: The same issue that arises in PR100934 can happen in the backward threader now (Aldy?) - we eventually run into mark_irreducible_loops for non-FSM thread paths checking for paths crossing irreducible region boundaries. I haven't been following the ab

[PATCH] Mark irreducible regions in the backwards threader

2021-06-14 Thread Richard Biener
The same issue that arises in PR100934 can happen in the backward threader now (Aldy?) - we eventually run into mark_irreducible_loops for non-FSM thread paths checking for paths crossing irreducible region boundaries. The following thus initializes irreducible regions and makes irreducible region