diff options
| author | Jan Hubicka <jh@suse.cz> | 2009-03-29 15:32:13 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2009-03-29 13:32:13 +0000 |
| commit | a8da523f8a442f95c34dd3687771589579a08918 (patch) | |
| tree | 1577a1a0b3cbaa114690527d99170c1034533481 /gcc/except.h | |
| parent | 98f358e55f3a003ab3ca4213ba59ce93c5cd9fc1 (diff) | |
| download | gcc-a8da523f8a442f95c34dd3687771589579a08918.zip gcc-a8da523f8a442f95c34dd3687771589579a08918.tar.gz gcc-a8da523f8a442f95c34dd3687771589579a08918.tar.bz2 | |
re PR tree-optimization/28850 (missed call -> jmp transformation; redundant unwind stuff with empty finally)
PR middle-end/28850
* tree-pass.h (pass_cleanup_eh): New function.
(remove_unreachable_regions): Break code handling RTL
to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
that can not be reached by runtime.
(can_be_reached_by_runtime): New function.
(label_to_region_map): New function.
(num_eh_regions): New function.
(rtl_remove_unreachable_regions): New function.
(convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
(remove_eh_region): New function.
* except.h: Include sbitmap and vecprim.
(remove_eh_region, remove_unreachable_regions, label_to_region_map,
num_eh_regions): Declare.
* passes.c (init_optimization_passes): Schedule cleanup_eh.
* Makefile.in (EXCEPT_H): New; replace all uses of except.h
by it.
* tree-eh.c (tree_remove_unreachable_handlers): New function.
(tree_empty_eh_handler_p): New function.
(cleanup_empty_eh): New function.
(cleanup_eh): New function.
(pass_cleanup_eh): New function.
From-SVN: r145233
Diffstat (limited to 'gcc/except.h')
| -rw-r--r-- | gcc/except.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/except.h b/gcc/except.h index b32312e..e407ec2 100644 --- a/gcc/except.h +++ b/gcc/except.h @@ -19,6 +19,8 @@ You should have received a copy of the GNU General Public License along with GCC; see the file COPYING3. If not see <http://www.gnu.org/licenses/>. */ +#include "sbitmap.h" +#include "vecprim.h" struct function; @@ -61,6 +63,7 @@ extern void init_eh_for_function (void); extern rtx reachable_handlers (rtx); extern void maybe_remove_eh_handler (rtx); +void remove_eh_region (int); extern void convert_from_eh_region_ranges (void); extern unsigned int convert_to_eh_region_ranges (void); @@ -174,3 +177,6 @@ struct throw_stmt_node GTY(()) extern struct htab *get_eh_throw_stmt_table (struct function *); extern void set_eh_throw_stmt_table (struct function *, struct htab *); +extern void remove_unreachable_regions (sbitmap, sbitmap); +extern VEC(int,heap) * label_to_region_map (void); +extern int num_eh_regions (void); |