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author	Richard Guenther <rguenther@suse.de>
	Sun, 2 Nov 2008 13:34:58 +0000 (13:34 +0000)
committer	Richard Biener <rguenth@gcc.gnu.org>
	Sun, 2 Nov 2008 13:34:58 +0000 (13:34 +0000)
commit	8495c94f4981e8018b6da421e1e25b82ebdde91e
tree	8c0e73b01869af871ad88b8619d5546944121409	tree
parent	99f9aa7b91375574fce9390624b55fcae66c9f38	commit \| diff

re PR tree-optimization/37991 (excessive memory consumption - possible hang)

2008-11-02 Richard Guenther <rguenther@suse.de>

PR tree-optimization/37991
* tree-ssa-sccvn.h (copy_vuses_from_stmt): Remove.
* tree-ssa-sccvn.c (copy_vuses_from_stmt): Make static.
(set_ssa_val_to): Print if the value changed.
(simplify_binary_expression): Strip useless conversions.

* gcc.c-torture/compile/pr37991.c: New testcase.

From-SVN: r141532

gcc/ChangeLog		diff \| blob \| blame \| history
gcc/testsuite/ChangeLog		diff \| blob \| blame \| history
gcc/testsuite/gcc.c-torture/compile/pr37991.c	[new file with mode: 0644]	blob
gcc/tree-ssa-sccvn.c		diff \| blob \| blame \| history
gcc/tree-ssa-sccvn.h		diff \| blob \| blame \| history

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