* tree-data-ref.c (build_classic_dist_vector, compute_subscript_distance): Make externally visible. * tree-data-ref.h (build_classic_dist_vector, compute_subscript_distance): Same. * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Check distance vector against vectorization factor. (vect_analyze_loop): Determine vectorizaion factor before analyzing data dependences. * tree-vectorizer.c (loops_num): Make it externally visible and rename ... * tree-vectorizer.c (vect_loops_num): ... new name. * tree-vectorizer.h (vect_loops_num): New. * tree-vect-analyze.c (vect_analyze_operations): Check vectorizable codition. * tree-vect-transform.c (vect_is_simple_cond): New function. (vectorizable_condition): New function. (vect_transform_stmt): Handle condition_vec_info_type. * tree-vectorizer.h (enum stmt_vec_info_type): Add condition_vec_info_type. (vectorizable_condition): New. * lib/target-supports.exp (check_effective_target_vect_condition): New. * gcc.dg/vect/vect-ifcvt-1.c: New test. * gcc.dg/vect/vect-ifcvt-2.c: New test. * gcc.dg/vect/vect-ifcvt-3.c: New test. * gcc.dg/vect/vect-ifcvt-4.c: New test. * gcc.dg/vect/vect-ifcvt-5.c: New test. * gcc.dg/vect/vect-ifcvt-6.c: New test. * gcc.dg/vect/vect-ifcvt-7.c: New test. * gcc.dg/vect/vect-none.c: Now one loop is vectorized. * gcc.dg/vect/vect-dv-1.c: New test. * gcc.dg/vect/vect-dv-2.c: New test. From-SVN: r97999
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