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authorJakub Jelinek <jakub@redhat.com>2017-03-10 20:47:44 +0100
committerJakub Jelinek <jakub@gcc.gnu.org>2017-03-10 20:47:44 +0100
commitc7aee4a15c4b993b063a8a94d1b6e2825130ea72 (patch)
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re PR tree-optimization/79981 (Forwprop not working for __atomic_compare_exchange_n)
PR tree-optimization/79981 * tree-vrp.c (extract_range_basic): Handle IMAGPART_EXPR of ATOMIC_COMPARE_EXCHANGE ifn result. (stmt_interesting_for_vrp, vrp_visit_stmt): Handle IFN_ATOMIC_COMPARE_EXCHANGE. From-SVN: r246054
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