https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64878
--- Comment #7 from Sebastian Pop <spop at gcc dot gnu.org> --- Author: spop Date: Fri Feb 6 21:08:13 2015 New Revision: 220491 URL: https://gcc.gnu.org/viewcvs?rev=220491&root=gcc&view=rev Log: PR 64878: do not jump thread across more than one back-edge 2015-02-04 Sebastian Pop <s....@samsung.com> Brian Rzycki <b.rzy...@samsung.com> PR tree-optimization/64878 * tree-ssa-threadedge.c: Include tree-ssa-loop.h. (fsm_find_control_statement_thread_paths): Add parameter seen_loop_phi. Stop recursion at loop phi nodes after having visited a loop phi node. * testsuite/gcc.dg/tree-ssa/ssa-dom-thread-8.c: New. Added: trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-thread-8.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-threadedge.c
