Richard Biener writes:
> On Thu, Jul 8, 2021 at 2:45 PM Richard Sandiford via Gcc-patches
> wrote:
>>
>> This patch adds a helper function called vect_phi_initial_value
>> for returning the incoming value of a given loop phi. The main
>> reason for adding it is to ensure that the right preheader
On Thu, Jul 8, 2021 at 2:45 PM Richard Sandiford via Gcc-patches
wrote:
>
> This patch adds a helper function called vect_phi_initial_value
> for returning the incoming value of a given loop phi. The main
> reason for adding it is to ensure that the right preheader edge
> is used when vectorising
This patch adds a helper function called vect_phi_initial_value
for returning the incoming value of a given loop phi. The main
reason for adding it is to ensure that the right preheader edge
is used when vectorising nested loops. (PHI_ARG_DEF_FROM_EDGE
itself doesn't assert that the given edge is
