https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105226
--- Comment #3 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:62d5bb0f35fb6ec373eaac942755585a633528a0 commit r12-8104-g62d5bb0f35fb6ec373eaac942755585a633528a0 Author: Richard Biener <rguent...@suse.de> Date: Tue Apr 12 09:40:15 2022 +0200 tree-optimization/105226 - avoid splitting abnormal edges Vectorizer loop versioning tries to version outer loops if possible but fails to check whether it can actually split the single exit edge as it will do. 2022-04-12 Richard Biener <rguent...@suse.de> PR tree-optimization/105226 * tree-vect-loop-manip.cc (vect_loop_versioning): Verify we can split the exit of an outer loop we choose to version. * gcc.dg/pr105226.c: New testcase.
