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PR tree-optimization/20100 PR tree-optimization/20115 * tree-optimize.c (init_tree_optimization_passes): Remove pass_maybe_create_global_var. * tree-pass.h (pass_maybe_create_global_var): Remove. * tree-ssa-alias.c (aliases_computed_p): Declare. (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND. (count_calls_and_maybe_create_global_var): Remove. (pass_maybe_create_global_var): Remove. (init_alias_info): Do not declare aliases_computed_p. (maybe_create_global_var): If the function contains no call-clobbered variables and a mix of pure/const and regular function calls, create .GLOBAL_VAR. Mark all call-clobbered variables for renaming. (merge_pointed_to_info): Update comment. (add_pointed_to_var): Likewise. (is_escape_site): Likewise. Accept struct alias_info * instead of size_t *. Update all users. Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND as necessary. * tree-ssa-operands.c (get_call_expr_operands): If ALIASES_COMPUTED_P is false, do not add call-clobbering operands. * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false. (delete_tree_ssa): Likewise. testsuite/ChangeLog PR tree-optimization/20100 PR tree-optimization/20115 * gcc.dg/pr20115.c: New test. * gcc.dg/pr20115-1.c: New test. * gcc.dg/pr20100.c: New test. * gcc.dg/tree-ssa/20040517-1.c: Expect virtual operands for call-clobbered variables after alias1. From-SVN: r95437
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