[Bug tree-optimization/97706] [11 Regression] ICE with LTO at -O3: verify_gimple failed (incompatible types in 'PHI' argument 0)

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97706

--- Comment #10 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rgue...@gcc.gnu.org>:

https://gcc.gnu.org/g:22175d0dc6a89ddd630f19d0f32a2d1ddb046807

commit r11-4787-g22175d0dc6a89ddd630f19d0f32a2d1ddb046807
Author: Richard Biener <rguent...@suse.de>
Date:   Thu Nov 5 12:34:42 2020 +0100

    tree-optimization/97706 - handle PHIs in pattern recog mask precison

    This adds handling of PHIs to mask precision compute which is
    eventually needed to detect a bool pattern when the def chain
    contains such a PHI node.

    2020-11-06  Richard Biener  <rguent...@suse.de>

            PR tree-optimization/97706
            * tree-vect-patterns.c (possible_vector_mask_operation_p):
            PHIs are possible mask operations.
            (vect_determine_mask_precision): Handle PHIs.
            (vect_determine_precisions): Walk PHIs in BB analysis.

            * gcc.dg/vect/bb-slp-pr97706.c: New testcase.