https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90316
--- Comment #31 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Mon May 13 11:22:21 2019 New Revision: 271124 URL: https://gcc.gnu.org/viewcvs?rev=271124&root=gcc&view=rev Log: 2019-05-13 Richard Biener <rguent...@suse.de> PR tree-optimization/90316 * tree-ssa-pre.c (insert_aux): Fold into ... (insert): ... this function. Use a RPO walk to reduce the number of required iterations. Modified: trunk/gcc/ChangeLog trunk/gcc/tree-ssa-pre.c