On Thu, Jul 8, 2021 at 2:43 PM Richard Sandiford via Gcc-patches
wrote:
>
> vect_create_epilog_for_reduction had a variable called new_phis.
> It collected the statements that produce the exit block definitions
> of the vector reduction accumulators. Although those statements
> are indeed phis in
vect_create_epilog_for_reduction had a variable called new_phis.
It collected the statements that produce the exit block definitions
of the vector reduction accumulators. Although those statements
are indeed phis initially, they are often replaced with normal
statements later, leading to puzzling
