Ping*2 On Wed, Jun 14, 2023, 14:10 Aldy Hernandez wrote: > PING > > On Mon, May 22, 2023 at 8:56 PM Aldy Hernandez wrote: > > > > Minor cleanups to get rid of value_range in IPA. There's only one left, > > but it's in the switch code which is integer specific. > > > > OK? > > > > gcc/ChangeLog: > > > > * ipa-cp.cc (decide_whether_version_node): Adjust comment. > > * ipa-fnsummary.cc (evaluate_conditions_for_known_args): Adjust > > for Value_Range. > > (set_switch_stmt_execution_predicate): Same. > > * ipa-prop.cc (ipa_compute_jump_functions_for_edge): Same. > > --- > > gcc/ipa-cp.cc | 3 +-- > > gcc/ipa-fnsummary.cc | 22 ++++++++++++++-------- > > gcc/ipa-prop.cc | 9 +++------ > > 3 files changed, 18 insertions(+), 16 deletions(-) > > > > diff --git a/gcc/ipa-cp.cc b/gcc/ipa-cp.cc > > index 03273666ea2..2e64415096e 100644 > > --- a/gcc/ipa-cp.cc > > +++ b/gcc/ipa-cp.cc > > @@ -6287,8 +6287,7 @@ decide_whether_version_node (struct cgraph_node > *node) > > { > > /* If some values generated for self-recursive calls with > > arithmetic jump functions fall outside of the known > > - value_range for the parameter, we can skip them. VR > interface > > - supports this only for integers now. */ > > + range for the parameter, we can skip them. */ > > if (TREE_CODE (val->value) == INTEGER_CST > > && !plats->m_value_range.bottom_p () > > && !ipa_range_contains_p (plats->m_value_range.m_vr, > > diff --git a/gcc/ipa-fnsummary.cc b/gcc/ipa-fnsummary.cc > > index 0474af8991e..1ce8501fe85 100644 > > --- a/gcc/ipa-fnsummary.cc > > +++ b/gcc/ipa-fnsummary.cc > > @@ -488,19 +488,20 @@ evaluate_conditions_for_known_args (struct > cgraph_node *node, > > if (vr.varying_p () || vr.undefined_p ()) > > break; > > > > - value_range res; > > + Value_Range res (op->type); > > if (!op->val[0]) > > { > > + Value_Range varying (op->type); > > + varying.set_varying (op->type); > > range_op_handler handler (op->code, op->type); > > if (!handler > > || !res.supports_type_p (op->type) > > - || !handler.fold_range (res, op->type, vr, > > - value_range > (op->type))) > > + || !handler.fold_range (res, op->type, vr, > varying)) > > res.set_varying (op->type); > > } > > else if (!op->val[1]) > > { > > - value_range op0; > > + Value_Range op0 (op->type); > > range_op_handler handler (op->code, op->type); > > > > ipa_range_set_and_normalize (op0, op->val[0]); > > @@ -518,14 +519,14 @@ evaluate_conditions_for_known_args (struct > cgraph_node *node, > > } > > if (!vr.varying_p () && !vr.undefined_p ()) > > { > > - value_range res; > > - value_range val_vr; > > + int_range<2> res; > > + Value_Range val_vr (TREE_TYPE (c->val)); > > range_op_handler handler (c->code, boolean_type_node); > > > > ipa_range_set_and_normalize (val_vr, c->val); > > > > if (!handler > > - || !res.supports_type_p (boolean_type_node) > > + || !val_vr.supports_type_p (TREE_TYPE (c->val)) > > || !handler.fold_range (res, boolean_type_node, > vr, val_vr)) > > res.set_varying (boolean_type_node); > > > > @@ -1687,12 +1688,17 @@ set_switch_stmt_execution_predicate (struct > ipa_func_body_info *fbi, > > int bound_limit = opt_for_fn (fbi->node->decl, > > param_ipa_max_switch_predicate_bounds); > > int bound_count = 0; > > - value_range vr; > > + // This can safely be an integer range, as switches can only hold > > + // integers. > > + int_range<2> vr; > > > > get_range_query (cfun)->range_of_expr (vr, op); > > if (vr.undefined_p ()) > > vr.set_varying (TREE_TYPE (op)); > > tree vr_min, vr_max; > > + // ?? This entire function could use a rewrite to use the irange > > + // API, instead of trying to recreate its intersection/union logic. > > + // Any use of get_legacy_range() is a serious code smell. > > value_range_kind vr_type = get_legacy_range (vr, vr_min, vr_max); > > wide_int vr_wmin = wi::to_wide (vr_min); > > wide_int vr_wmax = wi::to_wide (vr_max); > > diff --git a/gcc/ipa-prop.cc b/gcc/ipa-prop.cc > > index 6383bc11e0a..5f9e6dbbff2 100644 > > --- a/gcc/ipa-prop.cc > > +++ b/gcc/ipa-prop.cc > > @@ -2348,7 +2348,6 @@ ipa_compute_jump_functions_for_edge (struct > ipa_func_body_info *fbi, > > gcall *call = cs->call_stmt; > > int n, arg_num = gimple_call_num_args (call); > > bool useful_context = false; > > - value_range vr; > > > > if (arg_num == 0 || args->jump_functions) > > return; > > @@ -2379,6 +2378,7 @@ ipa_compute_jump_functions_for_edge (struct > ipa_func_body_info *fbi, > > useful_context = true; > > } > > > > + Value_Range vr (TREE_TYPE (arg)); > > if (POINTER_TYPE_P (TREE_TYPE (arg))) > > { > > bool addr_nonzero = false; > > @@ -2404,14 +2404,11 @@ ipa_compute_jump_functions_for_edge (struct > ipa_func_body_info *fbi, > > { > > if (TREE_CODE (arg) == SSA_NAME > > && param_type > > - /* Limit the ranger query to integral types as the rest > > - of this file uses value_range's, which only hold > > - integers and pointers. */ > > - && irange::supports_p (TREE_TYPE (arg)) > > + && Value_Range::supports_type_p (TREE_TYPE (arg)) > > && get_range_query (cfun)->range_of_expr (vr, arg) > > && !vr.undefined_p ()) > > { > > - value_range resvr = vr; > > + Value_Range resvr (vr); > > range_cast (resvr, param_type); > > if (!resvr.undefined_p () && !resvr.varying_p ()) > > ipa_set_jfunc_vr (jfunc, resvr); > > -- > > 2.40.1 > > >