https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109462
--- Comment #11 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Andrew Macleod <amacl...@gcc.gnu.org>: https://gcc.gnu.org/g:9c2a5db997446a9438a3e01f5229dec3f78b09e7 commit r13-7170-g9c2a5db997446a9438a3e01f5229dec3f78b09e7 Author: Andrew MacLeod <amacl...@redhat.com> Date: Wed Apr 12 13:10:55 2023 -0400 Ensure PHI equivalencies do not dominate the argument edge. When we create an equivalency between a PHI definition and an argument, ensure the definition does not dominate the incoming argument edge. PR tree-optimization/108139 PR tree-optimization/109462 * gimple-range-cache.cc (ranger_cache::fill_block_cache): Remove equivalency check for PHI nodes. * gimple-range-fold.cc (fold_using_range::range_of_phi): Ensure def does not dominate single-arg equivalency edges.
