https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47679
--- Comment #26 from Jeffrey A. Law <law at gcc dot gnu.org> --- Author: law Date: Thu Sep 17 03:01:03 2015 New Revision: 227842 URL: https://gcc.gnu.org/viewcvs?rev=227842&root=gcc&view=rev Log: [PATCH] Pass in avail_expr_stack and setup edge_infos earlier PR tree-optimization/47679 * tree-ssa-dom.c (free_edge_info): Factored out of free_all_edge_infos. (free_all_edge_infos): Use it. (allocate_edge_info): Free preexisting edge info data. (pass_dominator::execute): Set up initial edge info structures. (dom_opt_dom_walker::thread_across_edge): Pass avail_expr_stack to thread_across_edge. * tree-ssa-threadedge.c (thread_across_edge): Accept new argument. If non-null, then push/pop markers appropriately. * tree-ssa-threadedge.h (thread_across_edge): Update prototype. * tree-vrp.c (identify_jump_threads): Pass NULL for new argument to thread-across_edge. Modified: trunk/gcc/ChangeLog trunk/gcc/tree-ssa-dom.c trunk/gcc/tree-ssa-threadedge.c trunk/gcc/tree-ssa-threadedge.h trunk/gcc/tree-vrp.c
