Re: [PATCH] Abstract PHI and forwarder block checks in jump threader.

[Jeff Law via Gcc-patches]

On 9/3/2021 7:56 AM, Aldy Hernandez wrote:

This patch abstracts out a couple common idioms in the forward
threader that I found useful while navigating the code base.

Tested on x86-64 Linux.

OK?

gcc/ChangeLog:

        * tree-ssa-threadedge.c (has_phis_p): New.
        (forwarder_block_p): New.
        (potentially_threadable_block): Call forwarder_block_p.
        (jump_threader::thread_around_empty_blocks): Call has_phis_p.
        (jump_threader::thread_through_normal_block): Call
        forwarder_block_p.

OK
jeff