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2011-07-29 Richard Guenther <rguenther@suse.de>
authorrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 29 Jul 2011 09:24:23 +0000 (09:24 +0000)
committerrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 29 Jul 2011 09:24:23 +0000 (09:24 +0000)
commitfb41023ee9a4a07e2d07277c6ffb40a48d3abb70
tree3ff702d99bd1b72a7e57dcb5000b12ec28ee85d6tree | snapshot
parent58b1749feecda6f70480b5bcb2fd48d03cae5e56commit | diff
2011-07-29  Richard Guenther  <rguenther@suse.de>

* tree-vrp.c (get_value_range): Only set parameter default
definitions to varying, leave others at undefined.
(extract_range_from_binary_expr): Fix undefined handling.
(vrp_visit_phi_node): Handle merged undefined state.

* gcc.dg/uninit-suppress.c: Also disable VRP.
* gcc.dg/uninit-suppress_2.c: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@176918 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.dg/uninit-suppress.c diff | blob | history
gcc/testsuite/gcc.dg/uninit-suppress_2.c diff | blob | history
gcc/tree-vrp.c diff | blob | history
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