tree-ssa.c
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re PR tree-optimization/30562 (remove unused variable is removing a referenced… · d37d06fe
re PR tree-optimization/30562 (remove unused variable is removing a referenced variable (in STORED_SYMS or LOADED_SYMS)) PR 30562 * tree-flow.h (struct var_ann_d): Remove field 'is_used'. Update all users. * tree-ssa-alias.c (compute_is_aliased): Remove. Update all users. (init_alias_info): * tree-ssa-live.c (remove_unused_locals): Do not remove TREE_ADDRESSABLE variables. * tree-ssa-structalias.c (compute_points_to_sets): Tidy. * tree-ssa-operands.c (add_virtual_operand): Remove argument FOR_CLOBBER. Update all users. If VAR has an associated alias set, add a virtual operand for it if no alias is found to conflict with the memory reference. From-SVN: r121715
Diego Novillo committed