https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93428
--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Richard Guenther <rgue...@gcc.gnu.org>: https://gcc.gnu.org/g:148018bc3fe7ce47d005a1c5f7b6dd044024a4af commit r10-6312-g148018bc3fe7ce47d005a1c5f7b6dd044024a4af Author: Richard Biener <rguent...@suse.de> Date: Wed Jan 29 09:05:05 2020 +0100 tree-optimization/93428 - avoid load permutation vector clobbering With SLP now being a graph with shared nodes across instances we have to make sure to compute the load permutation of nodes once, not overwriting the result of earlier analysis. 2020-01-28 Richard Biener <rguent...@suse.de> PR tree-optimization/93428 * tree-vect-slp.c (vect_build_slp_tree_2): Compute the load permutation when the load node is created. (vect_analyze_slp_instance): Re-use it here. * gcc.dg/torture/pr93428.c: New testcase.
