Re: [PATCH] Speedup path discovery in predicate::use_cannot_happen

2022-08-23 Thread Richard Biener via Gcc-patches
On Tue, 23 Aug 2022, Aldy Hernandez wrote: > On Tue, Aug 23, 2022 at 2:16 PM Richard Biener wrote: > > > > The following reverts a hunk from r8-5789-g11ef0b22d68cd1 that > > made compute_control_dep_chain start from function entry rather > > than the immediate dominator of the source block of the

Re: [PATCH] Speedup path discovery in predicate::use_cannot_happen

2022-08-23 Thread Aldy Hernandez via Gcc-patches
On Tue, Aug 23, 2022 at 2:16 PM Richard Biener wrote: > > The following reverts a hunk from r8-5789-g11ef0b22d68cd1 that > made compute_control_dep_chain start from function entry rather > than the immediate dominator of the source block of the edge with > the undefined value on the PHI node. Rev