diff options
| author | Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> | 2003-03-05 22:05:18 +0000 |
|---|---|---|
| committer | Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> | 2003-03-05 22:05:18 +0000 |
| commit | 60b66f521410ad2e53445385ba2ab9e610448f62 (patch) | |
| tree | 8650ebaed410b4e61e93edf3cebafec476c895b8 /gcc/cfgloop.h | |
| parent | ec1a458e409738d90821ef562f1801eddb8ff44a (diff) | |
* basic-block.h (EDGE_IRREDUCIBLE_LOOP, EDGE_ALL_FLAGS): New.
* cfg.c (dump_edge_info): Add EDGE_IRREDUCIBLE_LOOP flag dump.
* cfgloop.c (flow_loop_free): Made global.
(establish_preds): New static function.
(flow_loop_tree_node_add): Handle subloops of added loop correctly.
(get_loop_exit_edges): New.
(verify_loop_structure): Verify EDGE_IRREDUCIBLE_LOOP flags.
* cfgloop.h (flow_loop_free, get_loop_exit_edges, unloop): Declare.
* cfgloopanal.c (mark_irreducible_loops): Mark edges in irreducible
loops.
* cfgloopmanip.c (loop_delete_branch_edge): Allow to test for
removability of an edge.
(fix_irreducible_loops): New static function.
(find_path, remove_path): Add ability to remove enclosing loops.
(unloop): New.
(copy_bbs, duplicate_loop_to_header_edge): Use EDGE_IRREDUCIBLE_LOOP
flags.
* cfgrtl.c (verify_flow_info): Handle EDGE_IRREDUCIBLE_LOOP flag.
* loop-unroll.c (peel_loops_completely): Do not duplicate loop if
not neccessary.
(decide_peel_completely, peel_loops_completely): Allow complete peeling
of non-duplicable once rolling loops.
* loop-unswitch.c (unswitch_loop): Update EDGE_IRREDUCIBLE_LOOP flags.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@63864 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/cfgloop.h')
| -rw-r--r-- | gcc/cfgloop.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/cfgloop.h b/gcc/cfgloop.h index ae1e5290e40..c5db9149c9d 100644 --- a/gcc/cfgloop.h +++ b/gcc/cfgloop.h @@ -266,6 +266,7 @@ extern void flow_loop_dump PARAMS ((const struct loop *, FILE *, FILE *, int), int)); extern int flow_loop_scan PARAMS ((struct loops *, struct loop *, int)); +extern void flow_loop_free PARAMS ((struct loop *)); void mark_irreducible_loops PARAMS ((struct loops *)); /* Loop datastructure manipulation/querying. */ @@ -282,6 +283,7 @@ extern int average_num_loop_insns PARAMS ((struct loop *)); /* Loops & cfg manipulation. */ extern basic_block *get_loop_body PARAMS ((const struct loop *)); +extern edge *get_loop_exit_edges PARAMS ((const struct loop *, unsigned *)); extern edge loop_preheader_edge PARAMS ((const struct loop *)); extern edge loop_latch_edge PARAMS ((const struct loop *)); @@ -326,6 +328,7 @@ extern int duplicate_loop_to_header_edge PARAMS ((struct loop *, edge, unsigned *, int)); extern struct loop *loopify PARAMS ((struct loops *, edge, edge, basic_block)); +extern void unloop PARAMS ((struct loops *, struct loop *)); extern bool remove_path PARAMS ((struct loops *, edge)); extern edge split_loop_bb PARAMS ((struct loops *, basic_block, rtx)); |