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re PR debug/46931 (Subversion id 167184 breaks building perlbench on power7 with debug) 

PR debug/46931
* tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): Update
SSA before removing dead stmts.

From-SVN: r168299
This commit is contained in:
Richard Guenther 2010-12-28 20:20:29 +00:00 committed by Alexandre Oliva
parent 11c4a1c004
commit 040d39eef2
2 changed files with 9 additions and 3 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2010-12-28 Richard Guenther <rguenther@suse.de>
PR debug/46931
* tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): Update
SSA before removing dead stmts.
2010-12-28 H.J. Lu <hongjiu.lu@intel.com> 2010-12-28 H.J. Lu <hongjiu.lu@intel.com>
Uros Bizjak <ubizjak@gmail.com> Uros Bizjak <ubizjak@gmail.com>

6
gcc/tree-vect-loop-manip.c
View File

@ -1442,6 +1442,9 @@ slpeel_tree_peel_loop_to_edge (struct loop *loop,
if (update_first_loop_count) if (update_first_loop_count)
slpeel_make_loop_iterate_ntimes (first_loop, first_niters); slpeel_make_loop_iterate_ntimes (first_loop, first_niters);
BITMAP_FREE (definitions);
delete_update_ssa ();
/* Remove all pattern statements from the loop copy. They will confuse /* Remove all pattern statements from the loop copy. They will confuse
the expander if DCE is disabled. the expander if DCE is disabled.
??? The pattern recognizer should be split into an analysis and ??? The pattern recognizer should be split into an analysis and
@ -1451,9 +1454,6 @@ slpeel_tree_peel_loop_to_edge (struct loop *loop,
adjust_vec_debug_stmts (); adjust_vec_debug_stmts ();
BITMAP_FREE (definitions);
delete_update_ssa ();
return new_loop; return new_loop;
} }