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cfgloop.c (verify_loop_structure): Verify dominators before using them.

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2012-03-05  Richard Guenther  <rguenther@suse.de>

	* cfgloop.c (verify_loop_structure): Verify dominators before
	using them.
	* graphite-clast-to-gimple.c (graphite_verify): Do not verify
	dominators from here.
	* graphite-scop-detection.c (create_sese_edges): Likewise.
	* loop-doloop.c (doloop_optimize_loops): Likewise.
	* loop-init.c (loop_optimizer_init): Likewise.
	* loop-unroll.c (unroll_and_peel_loops): Likewise.
	* loop-unswitch.c (unswitch_loops): Likewise.
	* tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
	* tree-parloops.c (parallelize_loops): Likewise.  Verify
	only when checking is enabled.
	* tree-loop-distribution.c (tree_loop_distribution): Likewise.

From-SVN: r184937
This commit is contained in:
Richard Guenther 2012-03-05 15:39:39 +00:00 committed by Richard Biener
parent 50bcfce08b
commit 510dbcce34
11 changed files with 23 additions and 9 deletions
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16
gcc/ChangeLog
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@ -1,3 +1,19 @@
2012-03-05 Richard Guenther <rguenther@suse.de>
* cfgloop.c (verify_loop_structure): Verify dominators before
using them.
* graphite-clast-to-gimple.c (graphite_verify): Do not verify
dominators from here.
* graphite-scop-detection.c (create_sese_edges): Likewise.
* loop-doloop.c (doloop_optimize_loops): Likewise.
* loop-init.c (loop_optimizer_init): Likewise.
* loop-unroll.c (unroll_and_peel_loops): Likewise.
* loop-unswitch.c (unswitch_loops): Likewise.
* tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
* tree-parloops.c (parallelize_loops): Likewise. Verify
only when checking is enabled.
* tree-loop-distribution.c (tree_loop_distribution): Likewise.
2012-03-05 Bernd Schmidt <bernds@codesourcery.com>
* genautomata.c (parse_automata_opt): New static function.

3
gcc/cfgloop.c
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@ -1318,6 +1318,9 @@ verify_loop_structure (void)
loop_iterator li;
struct loop_exit *exit, *mexit;
/* We need up-to-date dominators, verify them. */
verify_dominators (CDI_DOMINATORS);
/* Check sizes. */
sizes = XCNEWVEC (unsigned, num);
sizes[0] = 2;

1
gcc/graphite-clast-to-gimple.c
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@ -55,7 +55,6 @@ graphite_verify (void)
{
#ifdef ENABLE_CHECKING
verify_loop_structure ();
verify_dominators (CDI_DOMINATORS);
verify_loop_closed_ssa (true);
#endif
}

1
gcc/graphite-scop-detection.c
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@ -1026,7 +1026,6 @@ create_sese_edges (VEC (sd_region, heap) *regions)
#ifdef ENABLE_CHECKING
verify_loop_structure ();
verify_dominators (CDI_DOMINATORS);
verify_ssa (false);
#endif
}

1
gcc/loop-doloop.c
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@ -747,7 +747,6 @@ doloop_optimize_loops (void)
iv_analysis_done ();
#ifdef ENABLE_CHECKING
verify_dominators (CDI_DOMINATORS);
verify_loop_structure ();
#endif
}

1
gcc/loop-init.c
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@ -91,7 +91,6 @@ loop_optimizer_init (unsigned flags)
flow_loops_dump (dump_file, NULL, 1);
#ifdef ENABLE_CHECKING
verify_dominators (CDI_DOMINATORS);
verify_loop_structure ();
#endif
}

2
gcc/loop-unroll.c
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@ -198,7 +198,6 @@ unroll_and_peel_loops (int flags)
if (check)
{
#ifdef ENABLE_CHECKING
verify_dominators (CDI_DOMINATORS);
verify_loop_structure ();
#endif
}
@ -255,7 +254,6 @@ peel_loops_completely (int flags)
{
peel_loop_completely (loop);
#ifdef ENABLE_CHECKING
verify_dominators (CDI_DOMINATORS);
verify_loop_structure ();
#endif
}

1
gcc/loop-unswitch.c
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@ -149,7 +149,6 @@ unswitch_loops (void)
{
unswitch_single_loop (loop, NULL_RTX, 0);
#ifdef ENABLE_CHECKING
verify_dominators (CDI_DOMINATORS);
verify_loop_structure ();
#endif
}

2
gcc/tree-loop-distribution.c
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@ -1293,7 +1293,9 @@ tree_loop_distribution (void)
fprintf (dump_file, "Loop %d is the same.\n", num);
}
#ifdef ENABLE_CHECKING
verify_loop_structure ();
#endif
VEC_free (gimple, heap, work_list);
}

3
gcc/tree-parloops.c
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@ -2226,10 +2226,11 @@ parallelize_loops (void)
}
gen_parallel_loop (loop, reduction_list,
n_threads, &niter_desc);
#ifdef ENABLE_CHECKING
verify_flow_info ();
verify_dominators (CDI_DOMINATORS);
verify_loop_structure ();
verify_loop_closed_ssa (true);
#endif
}
free_stmt_vec_info_vec ();

1
gcc/tree-ssa-loop-manip.c
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@ -1096,7 +1096,6 @@ tree_transform_and_unroll_loop (struct loop *loop, unsigned factor,
#ifdef ENABLE_CHECKING
verify_flow_info ();
verify_dominators (CDI_DOMINATORS);
verify_loop_structure ();
verify_loop_closed_ssa (true);
#endif