Re: [PATCH] Fix PR94043 by making vect_live_op generate lc-phi

2020-04-01 Thread H.J. Lu via Gcc-patches
On Mon, Mar 30, 2020 at 4:09 AM Richard Biener via Gcc-patches wrote: > > On Mon, Mar 30, 2020 at 12:24 PM Kewen.Lin wrote: > > > > Hi, > > > > As PR94043 shows, my commit r10-4524 exposed one issue in > > vectorizable_live_operation, which inserts one extra BB > > before the single exit, leading

Re: [PATCH] Fix PR94043 by making vect_live_op generate lc-phi

2020-03-30 Thread Richard Biener via Gcc-patches
On Mon, Mar 30, 2020 at 12:24 PM Kewen.Lin wrote: > > Hi, > > As PR94043 shows, my commit r10-4524 exposed one issue in > vectorizable_live_operation, which inserts one extra BB > before the single exit, leading unexpected operand expansion > and unexpected loop depth assertion. As Richi suggeste