From 322445530d0742db2345197405f83bbf505acf9d Mon Sep 17 00:00:00 2001 From: Richard Guenther Date: Thu, 2 Aug 2012 11:40:20 +0000 Subject: tree-flow.h (set_default_def): Rename to ... 2012-08-02 Richard Guenther * tree-flow.h (set_default_def): Rename to ... (set_ssa_default_def): ... this. Take a struct function argument. (gimple_default_def): Rename to ... (ssa_default_def): ... this. (get_or_create_ssa_default_def): New function. * tree-dfa.c: Likewise. (dump_variable): Adjust. * ipa-prop.c (ipa_analyze_params_uses): Adjust, properly check for used parameters. * ipa-split.c (consider_split): Adjust, avoid repeated default-def lookups. (split_function): Likewise. * lto-streamer-in.c (input_ssa_names): Adjust. * omp-low.c (expand_omp_taskreg): Likewise. * tree-cfg.c (replace_ssa_name): Adjust, no need to push/pop cfun. * tree-complex.c (init_parameter_lattice_values): Adjust. (get_component_ssa_name): Likewise. (update_parameter_components): Likewise. * tree-inline.c (remap_ssa_name): Likewise. (setup_one_parameter): Likewise. (initialize_inlined_parameters): Likewise. (declare_return_variable): Likewise. (expand_call_inline): Likewise. (tree_function_versioning): Likewise. * tree-into-ssa.c (get_default_def_for): Remove. (get_reaching_def): Use get_or_create_ssa_default_def instead. * tree-predcom.c (replace_ref_with): Adjust. * tree-sra.c (get_repl_default_def_ssa_name): Likewise. (is_unused_scalar_param): Likewise. (ptr_parm_has_direct_uses): Likewise. (sra_ipa_reset_debug_stmts): Likewise. * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust. * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise. * tree-ssa-live.c (verify_live_on_entry): Likewise. * tree-ssa-math-opts.c (execute_cse_reciprocals): Likewise, avoid repeated default def lookups. * tree-ssa-sccvn.c (run_scc_vn): Likewise. * tree-tailcall.c (arg_needs_copy_p): Adjust. (tree_optimize_tail_calls_1): Likewise. From-SVN: r190073 --- gcc/ipa-split.c | 47 +++++++++++++++-------------------------------- 1 file changed, 15 insertions(+), 32 deletions(-) (limited to 'gcc/ipa-split.c') diff --git a/gcc/ipa-split.c b/gcc/ipa-split.c index be21436..d6aad89 100644 --- a/gcc/ipa-split.c +++ b/gcc/ipa-split.c @@ -438,14 +438,17 @@ consider_split (struct split_point *current, bitmap non_ssa_vars, return; } } - else if (gimple_default_def (cfun, parm) - && bitmap_bit_p (current->ssa_names_to_pass, - SSA_NAME_VERSION (gimple_default_def - (cfun, parm)))) + else { - if (!VOID_TYPE_P (TREE_TYPE (parm))) - call_overhead += estimate_move_cost (TREE_TYPE (parm)); - num_args++; + tree ddef = ssa_default_def (cfun, parm); + if (ddef + && bitmap_bit_p (current->ssa_names_to_pass, + SSA_NAME_VERSION (ddef))) + { + if (!VOID_TYPE_P (TREE_TYPE (parm))) + call_overhead += estimate_move_cost (TREE_TYPE (parm)); + num_args++; + } } } if (!VOID_TYPE_P (TREE_TYPE (current_function_decl))) @@ -1056,7 +1059,7 @@ split_function (struct split_point *split_point) bool split_part_return_p = false; gimple last_stmt = NULL; unsigned int i; - tree arg; + tree arg, ddef; if (dump_file) { @@ -1074,24 +1077,16 @@ split_function (struct split_point *split_point) parm; parm = DECL_CHAIN (parm), num++) if (args_to_skip && (!is_gimple_reg (parm) - || !gimple_default_def (cfun, parm) + || (ddef = ssa_default_def (cfun, parm)) == NULL_TREE || !bitmap_bit_p (split_point->ssa_names_to_pass, - SSA_NAME_VERSION (gimple_default_def (cfun, - parm))))) + SSA_NAME_VERSION (ddef)))) bitmap_set_bit (args_to_skip, num); else { /* This parm might not have been used up to now, but is going to be used, hence register it. */ if (is_gimple_reg (parm)) - { - arg = gimple_default_def (cfun, parm); - if (!arg) - { - arg = make_ssa_name (parm, gimple_build_nop ()); - set_default_def (parm, arg); - } - } + arg = get_or_create_ssa_default_def (cfun, parm); else arg = parm; @@ -1356,19 +1351,7 @@ split_function (struct split_point *split_point) assigned to RESULT_DECL (that is pointer to return value). Look it up or create new one if it is missing. */ if (DECL_BY_REFERENCE (retval)) - { - tree retval_name; - if ((retval_name = gimple_default_def (cfun, retval)) - != NULL) - retval = retval_name; - else - { - retval_name = make_ssa_name (retval, - gimple_build_nop ()); - set_default_def (retval, retval_name); - retval = retval_name; - } - } + retval = get_or_create_ssa_default_def (cfun, retval); /* Otherwise produce new SSA name for return value. */ else retval = make_ssa_name (retval, call); -- cgit v1.1