-/* -*- c -*- */
-
/*
- * Project: libFIRM
- * File name: ir/ana/rta.c
- * Purpose: Interprocedural analysis to improve the call graph estimate.
- * Author: Florian
- * Modified by:
- * Created: 09.06.2002
- * CVS-ID: $Id$
- * Copyright: (c) 1999-2004 Universität Karlsruhe
- * Licence: This file is protected by GPL - GNU GENERAL PUBLIC LICENSE.
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
*/
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
+/**
+ * @file
+ * @brief Interprocedural analysis to improve the call graph estimate.
+ * @author Florian
+ * @version 09.06.2002
+ * @version $Id$
+ */
+#include "config.h"
#include "rta.h"
#include "eset.h"
#include "irgwalk.h"
#include "irgmod.h"
-#include "typewalk.h"
#include "irvrfy.h"
-#include "trvrfy.h"
+#include "irprintf.h"
# ifndef TRUE
# define TRUE 1
/**
Given a method, find the firm graph that implements that method.
*/
-static ir_graph *get_implementing_graph (entity *method)
+static ir_graph *get_implementing_graph (ir_entity *method)
{
#if 0
- ir_graph *graph = get_entity_irg ((entity*) method);
+ ir_graph *graph = get_entity_irg ((ir_entity*) method);
/* Search upwards in the overwrites graph. */
/* GL: this will not work for multiple inheritance */
if (NULL == graph) {
int i;
- int n_over = get_entity_n_overwrites ((entity*) method);
+ int n_over = get_entity_n_overwrites ((ir_entity*) method);
for (i = 0; (NULL == graph) && (i < n_over); i ++) {
- entity *over = get_entity_overwrites ((entity*) method, i);
+ ir_entity *over = get_entity_overwrites ((ir_entity*) method, i);
graph = get_implementing_graph (over);
}
}
#endif
}
+/**
+ * Add a graph to the set of live graphs.
+ *
+ * @param graph the graph to add
+ * @return non-zero if the graph was added, zero
+ * if it was already in the live set
+ */
static int add_graph (ir_graph *graph)
{
if (!eset_contains (_live_graphs, graph)) {
if (verbose > 1) {
- fprintf(stdout, "RTA: new graph of ");
- DDMEO(get_irg_entity (graph));
+ ir_fprintf(stdout, "RTA: new graph of %+F\n", graph);
}
eset_insert (_live_graphs, graph);
return (FALSE);
}
-static int add_class (type *clazz)
+/**
+ * Add a class to the set of live classes.
+ *
+ * @param clazz the class to add
+ * @return non-zero if the graph was added, zero
+ * if it was already in the live set
+ */
+static int add_class (ir_type *clazz)
{
if (!eset_contains (_live_classes, clazz)) {
if (verbose > 1) {
- fprintf(stdout, "RTA: new class: ");
- DDMT(clazz);
+ ir_fprintf(stdout, "RTA: new class: %+F\n", clazz);
}
eset_insert (_live_classes, clazz);
*
* Iff additions occurred, return TRUE, else FALSE.
*/
-static int add_implementing_graphs (entity *method)
+static int add_implementing_graphs (ir_entity *method)
{
int i;
int n_over = get_entity_n_overwrittenby (method);
}
if (verbose > 1) {
- fprintf(stdout, "RTA: new call to ");
- DDMEO(method);
+ ir_fprintf(stdout, "RTA: new call to %+F\n", method);
}
if (rta_is_alive_class (get_entity_owner (method))) {
}
for (i = 0; i < n_over; i ++) {
- entity *over = get_entity_overwrittenby (method, i);
+ ir_entity *over = get_entity_overwrittenby (method, i);
change |= add_implementing_graphs (over);
}
static void rta_act (ir_node *node, void *env)
{
int *change = (int*) env;
-
- opcode op = get_irn_opcode (node);
+ ir_opcode op = get_irn_opcode (node);
if (iro_Call == op) { /* CALL */
- entity *ent = NULL;
+ ir_entity *ent = NULL;
ir_node *ptr = get_Call_ptr (node);
/* STRANGE */
} else {
- DDMN(ptr);
assert(0 && "Unexpected address expression: can not analyse, therefore can not do correct rta!");
}
} else if (iro_Alloc == op) { /* ALLOC */
- type *type = get_Alloc_type (node);
+ ir_type *type = get_Alloc_type (node);
*change |= add_class (type);
}
static int rta_fill_graph (ir_graph* graph)
{
int change = FALSE;
-
- current_ir_graph = graph;
-
irg_walk_graph (graph, rta_act, NULL, &change);
-
- return (change);
+ return change;
}
/** Traverse all graphs to collect method accesses and object allocations.
int i;
int n_runs = 0;
int rerun = TRUE;
+#ifdef INTERPROCEDURAL_VIEW
int old_ip_view = get_interprocedural_view();
set_interprocedural_view(0); /* save this for later */
+#endif
/* init_tables has added main_irg to _live_graphs */
for (i = 0; i < get_irp_n_irgs(); i++) {
ir_graph *graph = get_irp_irg (i);
- entity *ent = get_irg_entity (graph);
+ ir_entity *ent = get_irg_entity (graph);
if ((visibility_external_visible == get_entity_visibility (ent)) ||
(stickyness_sticky == get_entity_stickyness (ent))) {
graph = eset_next (live_graphs)) {
if (verbose > 1) {
- fprintf(stdout, "RTA: RUN %i: considering graph of ", n_runs);
- DDMEO(get_irg_entity (graph));
+ ir_fprintf(stdout, "RTA: RUN %i: considering graph of %+F\n", n_runs,
+ graph);
}
rerun |= rta_fill_graph (graph);
n_runs ++;
}
+#ifdef INTERPROCEDURAL_VIEW
set_interprocedural_view(old_ip_view); /* cover up our traces */
+#endif
return (n_runs);
}
entity that used to inherit this entity's graph is now abstract.
*/
/* Since we *know* that this entity will not be called, this is OK. */
-static void force_description (entity *ent, entity *addr)
+static void force_description (ir_entity *ent, ir_entity *addr)
{
int i, n_over = get_entity_n_overwrittenby (ent);
set_entity_peculiarity (ent, peculiarity_description);
for (i = 0; i < n_over; i ++) {
- entity *over = get_entity_overwrittenby (ent, i);
+ ir_entity *over = get_entity_overwrittenby (ent, i);
if (peculiarity_inherited == get_entity_peculiarity (over)) {
/* We rely on the fact that cse is performed on the const_code_irg. */
- entity *my_addr = get_SymConst_entity(get_atomic_ent_value(over));
+ ir_entity *my_addr = get_SymConst_entity(get_atomic_ent_value(over));
if (addr == my_addr) {
force_description (over, addr);
} else if (peculiarity_existent == get_entity_peculiarity (over)) {
/* check whether 'over' forces 'inheritance' of *our* graph: */
ir_node *f_addr = get_atomic_ent_value (over);
- entity *impl_ent = get_SymConst_entity (f_addr);
+ ir_entity *impl_ent = get_SymConst_entity (f_addr);
- assert ((get_irn_op(f_addr) == op_SymConst) && "can't do complex addrs");
+ assert(is_SymConst(f_addr) && "can't do complex addrs");
if (impl_ent == addr) {
assert (0 && "gibt's denn sowas");
force_description (over, addr);
*/
static void init_tables (void)
{
- int i, n_globs = get_class_n_members(get_glob_type());
+ ir_type *tp;
+ int i, n;
_live_classes = eset_create ();
_live_graphs = eset_create ();
}
/* Find static allocated classes */
- for (i = 0; i < n_globs; ++i) {
- type *member_type = get_entity_type(get_class_member(get_glob_type(), i));
+ tp = get_glob_type();
+ n = get_class_n_members(tp);
+ for (i = 0; i < n; ++i) {
+ ir_type *member_type = get_entity_type(get_class_member(tp, i));
+ if (is_Class_type(member_type))
+ eset_insert(_live_classes, member_type);
+ }
+
+ tp = get_tls_type();
+ n = get_struct_n_members(tp);
+ for (i = 0; i < n; ++i) {
+ ir_type *member_type = get_entity_type(get_struct_member(tp, i));
if (is_Class_type(member_type))
eset_insert(_live_classes, member_type);
}
*/
void rta_init (int do_verbose)
{
- int i, n_runs = 0;
+ int n_runs = 0;
int rem_vpi = get_visit_pseudo_irgs();
set_visit_pseudo_irgs(1);
# ifdef DEBUG_libfirm
- for (i = 0; i < get_irp_n_irgs(); i++) {
- irg_vrfy (get_irp_irg(i));
+ {
+ int i, n;
+ n = get_irp_n_irgs();
+ for (i = 0; i < n; i++) {
+ irg_vrfy (get_irp_irg(i));
+ }
+ tr_vrfy ();
}
- tr_vrfy ();
# endif /* defined DEBUG_libfirm */
verbose = do_verbose;
}
# ifdef DEBUG_libfirm
- for (i = 0; i < get_irp_n_irgs(); i++) {
- irg_vrfy (get_irp_irg(i));
+ {
+ int i, n;
+ n = get_irp_n_irgs();
+ for (i = 0; i < n; i++) {
+ irg_vrfy (get_irp_irg(i));
+ }
+ tr_vrfy ();
}
- tr_vrfy ();
# endif /* defined DEBUG_libfirm */
set_visit_pseudo_irgs(rem_vpi);
* Changes the peculiarity of entities that represents
* dead graphs to peculiarity_description.
*/
-static void make_entity_to_description(type_or_ent *tore, void *env) {
- if (get_kind(tore) == k_entity) {
- entity *ent = (entity *)tore;
+static void make_entity_to_description(type_or_ent tore, void *env) {
+ (void) env;
+ if (is_entity(tore.ent)) {
+ ir_entity *ent = tore.ent;
if ((is_Method_type(get_entity_type(ent))) &&
(get_entity_peculiarity(ent) != peculiarity_description) &&
int rem_vpi = get_visit_pseudo_irgs();
set_visit_pseudo_irgs(1);
- if (!get_optimize() || !get_opt_dead_method_elimination()) return;
-
- dead_graphs = xmalloc(sizeof(*dead_graphs) * get_irp_n_irgs());
+ dead_graphs = XMALLOCN(ir_graph*, get_irp_n_irgs());
for (i = 0; i < n_graphs; i++) {
graph = get_irp_irg(i);
if (rta_is_alive_graph (graph)) {
/* do nothing (except some debugging fprintf`s :-) */
} else {
-# ifdef DEBUG_libfirm
- entity *ent = get_irg_entity (graph);
+#ifndef NDEBUG
+ ir_entity *ent = get_irg_entity (graph);
assert (visibility_external_visible != get_entity_visibility (ent));
-# endif /* defined DEBUG_libfirm */
+#endif
dead_graphs[n_dead_graphs] = graph;
n_dead_graphs ++;
}
/* Say whether this class might be instantiated at any point in the program: */
-int rta_is_alive_class (type *clazz)
+int rta_is_alive_class (ir_type *clazz)
{
return (eset_contains (_live_classes, clazz));
}
int i;
for (i = 0; i < get_irp_n_types(); ++i) {
- type *tp = get_irp_type(i);
+ ir_type *tp = get_irp_type(i);
if (is_Class_type(tp) && rta_is_alive_class(tp)) {
- fprintf(stdout, "RTA: considered allocated: "); DDMT(tp);
+ ir_fprintf(stdout, "RTA: considered allocated: %+F\n", tp);
}
}
for (i = 0; i < get_irp_n_irgs(); i++) {
if (rta_is_alive_graph (get_irp_irg(i))) {
- fprintf(stdout, "RTA: considered called: graph of ");
- DDMEO(get_irg_entity (get_irp_irg(i)));
+ ir_fprintf(stdout, "RTA: considered called: graph of %+F\n", get_irp_irg(i));
}
}
}
-
-
-/*
- * $Log$
- * Revision 1.34 2006/01/02 15:01:16 beck
- * missing include added
- *
- * Revision 1.33 2005/11/17 17:26:57 beck
- * removed bool type and depency from stdbool.h (not C89)
- *
- * Revision 1.32 2005/01/05 14:24:52 beck
- * renames all is_x*_type() functions to is_X*_type() to prevent name clash with EDG frontend
- *
- * Revision 1.31 2004/12/21 13:45:14 beck
- * removed C99 constructs
- *
- * Revision 1.30 2004/12/02 16:16:11 beck
- * fixed config.h include
- * used xmalloc instead of malloc
- *
- * Revision 1.29 2004/11/11 13:28:08 goetz
- * made pseudo irg aware
- *
- * Revision 1.28 2004/11/03 14:47:18 beck
- * removed gloval intraprocedural_view variable and replaced by get_*() set_*() functions
- *
- * Revision 1.27 2004/10/21 07:23:34 goetz
- * comments
- *
- * Revision 1.26 2004/10/20 14:59:27 liekweg
- * Removed ecg
- *
- * Revision 1.25 2004/10/18 12:47:08 liekweg
- * avoid warning
- *
- * Revision 1.24 2004/09/24 13:59:04 beck
- * fixed doxygen comments, removed initialization for description entities
- *
- * Revision 1.23 2004/08/19 16:51:02 goetz
- * fixed some errors, pushed closer to inteded firm semantics
- *
- * Revision 1.22 2004/08/13 08:57:15 beyhan
- * normalized names of functions, enums ...
- * added suffix as argument to dumpers, removed global variable
- * removed support for tarval/Const
- *
- * Revision 1.21 2004/07/08 15:50:56 goetz
- * firmstat added
- *
- * Revision 1.20 2004/07/08 11:17:40 goetz
- * *** empty log message ***
- *
- * Revision 1.19 2004/07/06 12:30:37 beyhan
- * new SymConst semantics
- *
- * Revision 1.18 2004/06/27 21:17:41 liekweg
- * Added comment
- *
- * Revision 1.17 2004/06/25 13:45:13 liekweg
- * observe stickyness; minor refactoring
- *
- * Revision 1.16 2004/06/24 06:42:14 goetz
- * test of firm flags
- *
- * Revision 1.15 2004/06/18 15:47:19 liekweg
- * minor bug fix (go forward, not backward) --flo
- *
- * Revision 1.14 2004/06/18 13:12:43 liekweg
- * final bug fix (calls via consts)
- *
- * Revision 1.13 2004/06/17 16:34:33 liekweg
- * removed DD*s
- *
- * Revision 1.12 2004/06/17 16:33:33 liekweg
- * minor bug fix
- *
- * Revision 1.11 2004/06/17 14:21:13 liekweg
- * major bugfix
- *
- * Revision 1.10 2004/06/17 10:31:41 goetz
- * irscc: bugfix, can now deal with loops not reachable from start
- * cgana: bugfix, skip_Tuple
- * rta: improved
- *
- * Revision 1.9 2004/06/17 08:56:03 liekweg
- * Fixed typos in comments
- *
- * Revision 1.8 2004/06/17 08:33:01 liekweg
- * Added comments; added remove_irg
- *
- * Revision 1.6 2004/06/14 13:02:03 goetz
- * bugfixesbug
- *
- * Revision 1.5 2004/06/13 15:03:45 liekweg
- * RTA auf Iterative RTA aufgebohrt --flo
- *
- * Revision 1.4 2004/06/12 19:35:04 liekweg
- * Kommentare eingef"ugt --flo
- *
- * Revision 1.3 2004/06/12 17:09:46 liekweg
- * RTA works, outedges breaks. "Yay." --flo
- *
- * Revision 1.2 2004/06/11 18:25:39 liekweg
- * Added todo
- *
- * Revision 1.1 2004/06/11 18:24:18 liekweg
- * Added RTA --flo
- *
- */
projects / libfirm / blobdiff