http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43603
--- Comment #12 from Andrey Belevantsev <abel at gcc dot gnu.org> 2011-04-07 06:59:21 UTC --- Author: abel Date: Thu Apr 7 06:59:19 2011 New Revision: 172084 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=172084 Log: Backport from mainline 2010-12-07 Andrey Belevantsev <a...@ispras.ru> PR target/43603 * haifa-sched.c (sched_create_recovery_edges): Update dominator info. * sel-sched-ir.c (maybe_tidy_empty_bb): Update dominator info after deleting an empty block. (tidy_control_flow): Also verify dominators. (sel_remove_bb): Update dominator info after removing a block. (sel_redirect_edge_and_branch_force): Assert that no unreachable blocks will be created. Update dominator info. (sel_redirect_edge_and_branch): Update dominator info when basic blocks do not become unreachable. (sel_remove_loop_preheader): Update dominator info. 2010-10-14 Andrey Belevantsev <a...@ispras.ru> * sel-sched-ir.c (maybe_tidy_empty_bb): Simplify comment. (tidy_control_flow): Tidy vertical space. (sel_remove_bb): New variable idx. Use it to remember the basic block index before deleting the block. (sel_remove_empty_bb): Remove dead code, simplify and insert to ... (sel_merge_blocks): ... here. * sel-sched-ir.h (sel_remove_empty_bb): Remove prototype. Added: branches/gcc-4_5-branch/gcc/testsuite/g++.dg/opt/pr46640.C branches/gcc-4_5-branch/gcc/testsuite/gcc.target/ia64/pr43603.c Modified: branches/gcc-4_5-branch/gcc/ChangeLog branches/gcc-4_5-branch/gcc/haifa-sched.c branches/gcc-4_5-branch/gcc/sel-sched-ir.c branches/gcc-4_5-branch/gcc/sel-sched-ir.h branches/gcc-4_5-branch/gcc/testsuite/ChangeLog
