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2007-05-01 Richard Guenther <rguenther@suse.de> * tree-vrp.c (set_value_range): Do not allocate equiv bitmap if it is not about to be set. (get_value_range): Do not pre-allocate equiv bitmap. (update_value_range): No need to clear equiv field. (add_equivalence): Change prototype to get bitmap pointer. Allocate bitmap here if it is not already. (extract_range_from_assert): Do not allocate bitmap here. Update callers to add_equivalence. (extract_range_from_ssa_name): Likewise. (get_vr_for_comparison): New static helper. (compare_name_with_value): Handle NULL equiv bitmap by peeling the first iteration of the comparison loop. Use get_vr_for_comparison. (compare_names): Handle NULL equiv bitmaps by using fake ones. Use get_vr_for_comparison. From-SVN: r124321
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