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re PR tree-optimization/57200 (aggressive-loop-optimizations notes appear even when warning itself is suppressed) 

2013-05-08  Paolo Carlini  <paolo.carlini@oracle.com>

	PR tree-optimization/57200
	* tree-ssa-loop-niter.c (do_warn_aggressive_loop_optimizations):
	Only call inform if the preceding warning_at returns true.

From-SVN: r198704
This commit is contained in:
Paolo Carlini 2013-05-08 09:09:52 +00:00 committed by Paolo Carlini
parent 90c3375239
commit 44398cbede
2 changed files with 11 additions and 4 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2013-05-08 Paolo Carlini <paolo.carlini@oracle.com>
PR tree-optimization/57200
* tree-ssa-loop-niter.c (do_warn_aggressive_loop_optimizations):
Only call inform if the preceding warning_at returns true.
2013-05-07 Han Shen <shenhan@google.com>
* cfgexpand.c (record_or_union_type_has_array_p): New function.

9
gcc/tree-ssa-loop-niter.c
View File

@ -2553,10 +2553,11 @@ do_warn_aggressive_loop_optimizations (struct loop *loop,
return;
gimple estmt = last_stmt (e->src);
warning_at (gimple_location (stmt), OPT_Waggressive_loop_optimizations,
"iteration %E invokes undefined behavior",
double_int_to_tree (TREE_TYPE (loop->nb_iterations), i_bound));
inform (gimple_location (estmt), "containing loop");
if (warning_at (gimple_location (stmt), OPT_Waggressive_loop_optimizations,
"iteration %E invokes undefined behavior",
double_int_to_tree (TREE_TYPE (loop->nb_iterations),
i_bound)))
inform (gimple_location (estmt), "containing loop");
loop->warned_aggressive_loop_optimizations = true;
}