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author	rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
	Tue, 6 Dec 2011 11:41:00 +0000 (11:41 +0000)
committer	rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
	Tue, 6 Dec 2011 11:41:00 +0000 (11:41 +0000)
commit	01fd46e3cea914b6687529ef7fb209021862f024
tree	1e6df1ddf0481659cd905e499433b41246809813	tree \| snapshot
parent	5fe6835d31c82b594c94d60ce11b8b840acdc427	commit \| diff

2011-12-06 Richard Guenther <rguenther@suse.de>

PR tree-optimization/51245
* tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
New function.
(vn_reference_lookup_3): Use it. Properly valueize all refs
we create.

* gcc.dg/torture/pr51245.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@182044 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/ChangeLog		diff \| blob \| history
gcc/testsuite/ChangeLog		diff \| blob \| history
gcc/testsuite/gcc.dg/torture/pr51245.c	[new file with mode: 0644]	blob
gcc/tree-ssa-sccvn.c		diff \| blob \| history

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