Re: [PATCH] Cleanup TODO handling for CFG clenaup & SSA update

2019-05-03 Thread Richard Biener
On Fri, Mar 8, 2019 at 4:59 PM Richard Biener wrote: > > On March 8, 2019 3:52:36 PM GMT+01:00, Jeff Law wrote: > >On 3/8/19 7:23 AM, Richard Biener wrote: > >> > >> There's an old comment > >> > >> /* When cleanup_tree_cfg merges consecutive blocks, it may > >> perform some simpli

Re: [PATCH] Cleanup TODO handling for CFG clenaup & SSA update

2019-03-08 Thread Richard Biener
On March 8, 2019 3:52:36 PM GMT+01:00, Jeff Law wrote: >On 3/8/19 7:23 AM, Richard Biener wrote: >> >> There's an old comment >> >> /* When cleanup_tree_cfg merges consecutive blocks, it may >> perform some simplistic propagation when removing single >> valued PHI nodes.

Re: [PATCH] Cleanup TODO handling for CFG clenaup & SSA update

2019-03-08 Thread Jeff Law
On 3/8/19 7:23 AM, Richard Biener wrote: > > There's an old comment > > /* When cleanup_tree_cfg merges consecutive blocks, it may > perform some simplistic propagation when removing single > valued PHI nodes. This propagation may, in turn, cause the > SSA form t