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authorrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>2007-01-08 11:20:00 +0000
committerrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>2007-01-08 11:20:00 +0000
commitb9b64cb7f34381e2131f5ff5abee2ed35ca6b2b0 (patch)
tree27fe13c00c2f39209cfd47f2e65d6c869e76737f /libjava/classpath/java/security/AlgorithmParameters.java
parentaeeb194b62fce48df2ac5f80932dc52ea8a76b74 (diff)
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2007-01-08 Richard Guenther <rguenther@suse.de>
PR tree-optimization/23603 * tree-vrp.c (set_value_range_to_truthvalue): New function. (extract_range_from_binary): Fall back to truthvalue instead of varying for TRUTH_*_EXPR. (extract_range_from_comparison): Fall back to truthvalue instead of varying. (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF if all visited PHI values were constant. * gcc.dg/tree-ssa/vrp31.c: New testcase. * gcc.dg/tree-ssa/vrp32.c: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@120578 138bc75d-0d04-0410-961f-82ee72b054a4
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