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re PR middle-end/38474 (compile time explosion in dataflow_set_preserve_mem_locs at -O3)

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2012-07-02  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/38474
	* ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
	dynamic type change check.

From-SVN: r189163
This commit is contained in:
Martin Jambor 2012-07-02 17:28:11 +02:00 • committed by Martin Jambor
parent b60e9a88b0
commit 4e03d8493b
2 changed files with 8 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2012-07-02 Martin Jambor <mjambor@suse.cz>
PR middle-end/38474
* ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
dynamic type change check.
2012-07-02 Richard Guenther <rguenther@suse.de>
Michael Matz <matz@suse.de>
Tobias Grosser <tobias@grosser.es>

4
gcc/ipa-prop.c
View file

@ -912,8 +912,8 @@ compute_known_type_jump_func (tree op, struct ipa_jump_func *jfunc,
|| is_global_var (base))
return;
if (detect_type_change (op, base, call, jfunc, offset)
|| !TYPE_BINFO (TREE_TYPE (base)))
if (!TYPE_BINFO (TREE_TYPE (base))
|| detect_type_change (op, base, call, jfunc, offset))
return;
ipa_set_jf_known_type (jfunc, offset, TREE_TYPE (base), TREE_TYPE (op));