2 * Copyright (C) 1995-2010 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
6 * This file may be distributed and/or modified under the terms of the
7 * GNU General Public License version 2 as published by the Free Software
8 * Foundation and appearing in the file LICENSE.GPL included in the
9 * packaging of this file.
11 * Licensees holding valid libFirm Professional Edition licenses may use
12 * this file in accordance with the libFirm Commercial License.
13 * Agreement provided with the Software.
15 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * @brief Manager for optimization passes.
23 * @author Michael Beck
31 #include "irgraph_t.h"
37 /*Add a graph pass to a graph pass manager. */
38 void ir_graph_pass_mgr_add(ir_graph_pass_manager_t *mgr, ir_graph_pass_t *pass)
40 list_add_tail(&pass->list, &mgr->passes);
43 pass->add_to_mgr(pass->context);
46 /* Add an irprog pass to an irprog pass manager. */
47 void ir_prog_pass_mgr_add(ir_prog_pass_manager_t *mgr, ir_prog_pass_t *pass)
49 list_add_tail(&pass->list, &mgr->passes);
52 pass->add_to_mgr(pass->context);
56 * wrapper for running a graph pass manager as a pass on an irprog
59 static int run_wrapper(ir_prog *prog, void *ctx)
61 ir_graph_pass_manager_t *mgr = ctx;
64 return ir_graph_pass_mgr_run(mgr);
67 /* Ensure that no verifier is run an ir_prog pass. */
68 int ir_prog_no_verify(ir_prog *prog, void *ctx)
75 /* Ensure that no dumper is run from an ir_prog pass. */
76 void ir_prog_no_dump(ir_prog *prog, void *ctx, unsigned idx)
84 * Term wrapper for a wrapped ir_graph pass manager.
86 static void term_wrapper(void *context)
88 ir_graph_pass_manager_t *mgr = context;
89 term_graph_pass_mgr(mgr);
93 * Create a wrapper ir_prog pass for an ir_graph manager.
95 static ir_prog_pass_t *create_wrapper_pass(ir_graph_pass_manager_t *graph_mgr)
97 /* create a wrapper pass */
98 ir_prog_pass_t *pass = XMALLOCZ(ir_prog_pass_t);
100 pass->kind = k_ir_prog_pass;
101 pass->run_on_irprog = run_wrapper;
102 pass->context = graph_mgr;
103 pass->name = graph_mgr->name;
105 /* do not verify nor dump: this is handled by the graph manager */
106 pass->verify_irprog = ir_prog_no_verify;
107 pass->dump_irprog = ir_prog_no_dump;
108 pass->is_wrapper = 1;
110 pass->add_to_mgr = NULL;
111 pass->rem_from_mgr = term_wrapper;
116 /* Add an ir_graph_pass as a pass to an ir_prog pass manager. */
117 void ir_prog_pass_mgr_add_graph_pass(
118 ir_prog_pass_manager_t *mgr, ir_graph_pass_t *pass)
120 ir_graph_pass_manager_t *graph_mgr;
121 ir_prog_pass_t *wrapper;
123 /* check if the last pass is a graph_pass wrapper */
124 if (! list_empty(&mgr->passes)) {
125 wrapper = list_entry(mgr->passes.prev, ir_prog_pass_t, list);
126 if (wrapper->is_wrapper) {
127 graph_mgr = wrapper->context;
129 ir_graph_pass_mgr_add(graph_mgr, pass);
135 /* not found, create a new wrapper */
136 graph_mgr = new_graph_pass_mgr(
137 "graph_pass_wrapper", mgr->verify_all, mgr->dump_all);
138 graph_mgr->run_idx = mgr->run_idx + mgr->n_passes;
140 ir_graph_pass_mgr_add(graph_mgr, pass);
142 wrapper = create_wrapper_pass(graph_mgr);
143 ir_prog_pass_mgr_add(mgr, wrapper);
146 /* Add an ir_graph_pass_manager as a pass to an ir_prog pass manager. */
147 void ir_prog_pass_mgr_add_graph_mgr(
148 ir_prog_pass_manager_t *mgr, ir_graph_pass_manager_t *graph_mgr)
150 ir_prog_pass_t *pass = create_wrapper_pass(graph_mgr);
153 graph_mgr->dump_all = 1;
155 graph_mgr->verify_all = 1;
156 graph_mgr->run_idx = mgr->n_passes;
158 ir_prog_pass_mgr_add(mgr, pass);
161 static void create_suffix(char *suffix, size_t n, const char *pass_name)
163 snprintf(suffix, n, "%s.svg", pass_name);
166 /* Run all passes of an ir_graph pass manager. */
167 int ir_graph_pass_mgr_run(ir_graph_pass_manager_t *mgr)
169 ir_graph_pass_t *pass;
171 ir_graph *rem = current_ir_graph;
173 /* on all graphs: beware: number of irgs might be changed */
174 for (i = 0; i < get_irp_n_irgs(); ++i) {
175 ir_graph *irg = current_ir_graph = get_irp_irg(i);
176 unsigned idx = mgr->run_idx;
177 /* run every pass on every graph */
178 list_for_each_entry(ir_graph_pass_t, pass, &mgr->passes, list) {
179 int pass_res = pass->run_on_irg(irg, pass->context);
182 /* verify is necessary */
183 if (mgr->verify_all) {
184 if (pass->verify_irg) {
185 pass->verify_irg(irg, pass->context);
192 if (pass->dump_irg) {
193 pass->dump_irg(irg, pass->context, idx);
196 create_suffix(buf, sizeof(buf), pass->name);
197 dump_ir_graph(irg, buf);
203 current_ir_graph = rem;
208 * Verify all graphs on the given ir_prog.
210 static int irp_verify_irgs(void)
214 for (i = get_irp_n_irgs() - 1; i >= 0; --i)
215 res &= irg_verify(get_irp_irg(i), 0);
219 /* Run all passes of an ir_prog pass manager. */
220 int ir_prog_pass_mgr_run(ir_prog_pass_manager_t *mgr)
222 ir_prog_pass_t *pass;
225 /* run every pass on every graph */
226 unsigned idx = mgr->run_idx;
227 list_for_each_entry(ir_prog_pass_t, pass, &mgr->passes, list) {
228 int pass_res = pass->run_on_irprog(irp, pass->context);
231 /* verify is necessary */
232 if (mgr->verify_all) {
233 if (pass->verify_irprog) {
234 pass->verify_irprog(irp, pass->context);
241 if (pass->dump_irprog) {
242 pass->dump_irprog(irp, pass->context, idx);
245 create_suffix(buf, sizeof(buf), pass->name);
246 dump_all_ir_graphs(buf);
249 if (pass->is_wrapper) {
250 ir_graph_pass_manager_t *graph_mgr = pass->context;
251 idx += graph_mgr->n_passes;
258 /* Creates a new ir_graph pass manager. */
259 ir_graph_pass_manager_t *new_graph_pass_mgr(
260 const char *name, int verify_all, int dump_all)
262 ir_graph_pass_manager_t *res = XMALLOCZ(ir_graph_pass_manager_t);
264 INIT_LIST_HEAD(&res->passes);
265 res->kind = k_ir_graph_pass_mgr;
268 res->verify_all = verify_all != 0;
269 res->dump_all = dump_all != 0;
274 /* Creates a new ir_prog pass manager. */
275 ir_prog_pass_manager_t *new_prog_pass_mgr(
276 const char *name, int verify_all, int dump_all)
278 ir_prog_pass_manager_t *res = XMALLOCZ(ir_prog_pass_manager_t);
280 INIT_LIST_HEAD(&res->passes);
281 res->kind = k_ir_prog_pass_mgr;
284 res->verify_all = verify_all != 0;
285 res->dump_all = dump_all != 0;
290 /* Terminate an ir_graph pass manager and all owned passes. */
291 void term_graph_pass_mgr(ir_graph_pass_manager_t *mgr)
293 ir_graph_pass_t *pass, *next;
295 list_for_each_entry_safe(ir_graph_pass_t, pass, next, &mgr->passes, list) {
296 if (pass->rem_from_mgr)
297 pass->rem_from_mgr(pass->context);
305 /* Terminate an ir_prog pass manager and all owned passes. */
306 void term_prog_pass_mgr(ir_prog_pass_manager_t *mgr)
308 ir_prog_pass_t *pass, *next;
310 list_for_each_entry_safe(ir_prog_pass_t, pass, next, &mgr->passes, list) {
311 if (pass->rem_from_mgr)
312 pass->rem_from_mgr(pass->context);
321 * Set the run index for an irgraph pass manager.
323 * @param mgr the manager
324 * @param run_idx the index for the first pass of this manager
326 void ir_graph_pass_mgr_set_run_idx(
327 ir_graph_pass_manager_t *mgr, unsigned run_idx)
329 mgr->run_idx = run_idx;
333 * Set the run index for an irprog pass manager.
335 * @param mgr the manager
336 * @param run_idx the index for the first pass of this manager
338 void ir_prog_pass_mgr_set_run_idx(
339 ir_prog_pass_manager_t *mgr, unsigned run_idx)
341 mgr->run_idx = run_idx;
345 * Wrapper for running void function(ir_graph *irg) as an ir_graph pass.
347 static int void_graph_wrapper(ir_graph *irg, void *context)
349 void (*function)(ir_graph *irg) = context;
352 } /* void_graph_wrapper */
354 /* Creates an ir_graph pass for running void function(ir_graph *irg). */
355 ir_graph_pass_t *def_graph_pass(
356 const char *name, void (*function)(ir_graph *irg))
358 struct ir_graph_pass_t *pass = XMALLOCZ(ir_graph_pass_t);
360 pass->kind = k_ir_graph_pass;
361 pass->run_on_irg = void_graph_wrapper;
362 pass->context = function;
365 INIT_LIST_HEAD(&pass->list);
368 } /* def_graph_pass */
371 * Wrapper for running void function(ir_graph *irg) as an ir_graph pass.
373 static int int_graph_wrapper(ir_graph *irg, void *context)
375 int (*function)(ir_graph *irg) = context;
376 return function(irg);
377 } /* int_graph_wrapper */
379 /* Creates an ir_graph pass for running void function(ir_graph *irg). */
380 ir_graph_pass_t *def_graph_pass_ret(
381 const char *name, int (*function)(ir_graph *irg))
383 struct ir_graph_pass_t *pass = XMALLOCZ(ir_graph_pass_t);
385 pass->kind = k_ir_graph_pass;
386 pass->run_on_irg = int_graph_wrapper;
387 pass->context = function;
390 INIT_LIST_HEAD(&pass->list);
393 } /* def_graph_pass_ret */
395 /* constructor for a default graph pass */
396 ir_graph_pass_t *def_graph_pass_constructor(
397 ir_graph_pass_t *pass,
398 const char *name, int (*function)(ir_graph *irg, void *context)) {
400 pass = XMALLOCZ(ir_graph_pass_t);
402 memset(pass, 0, sizeof(ir_graph_pass_t));
403 pass->kind = k_ir_graph_pass;
404 pass->run_on_irg = function;
405 pass->context = pass;
408 INIT_LIST_HEAD(&pass->list);
411 } /* def_graph_pass_constructor */
413 /* set the run parallel property */
414 void ir_graph_pass_set_parallel(ir_graph_pass_t *pass, int flag)
416 pass->run_parallel = flag != 0;
417 } /* ir_graph_pass_set_parallel */
420 * Wrapper for running void function(void) as an ir_prog pass.
422 static int void_prog_wrapper(ir_prog *irp, void *context)
424 void (*function)(void) = context;
429 } /* void_graph_wrapper */
431 /* Creates an ir_prog pass for running void function(void). */
432 ir_prog_pass_t *def_prog_pass(
434 void (*function)(void))
436 struct ir_prog_pass_t *pass = XMALLOCZ(ir_prog_pass_t);
438 pass->kind = k_ir_prog_pass;
439 pass->run_on_irprog = void_prog_wrapper;
440 pass->context = function;
443 INIT_LIST_HEAD(&pass->list);
446 } /* def_prog_pass */
448 /* Creates an ir_prog pass for running void function(void). */
449 ir_prog_pass_t *def_prog_pass_constructor(
450 ir_prog_pass_t *pass,
452 int (*function)(ir_prog *irp, void *context))
455 pass = XMALLOCZ(ir_prog_pass_t);
457 memset(pass, 0, sizeof(ir_prog_pass_t));
459 pass->kind = k_ir_prog_pass;
460 pass->run_on_irprog = function;
461 pass->context = pass;
464 INIT_LIST_HEAD(&pass->list);
467 } /* def_prog_pass_constructor */
472 void (*function)(void *context);
476 * Wrapper for the call_function pass.
478 static int call_function_wrapper(ir_prog *irp, void *context)
480 struct pass_t *pass = context;
483 pass->function(pass->context);
485 } /* call_function_wrapper */
487 ir_prog_pass_t *call_function_pass(
488 const char *name, void (*function)(void *context), void *context) {
489 struct pass_t *pass = XMALLOCZ(struct pass_t);
491 def_prog_pass_constructor(
492 &pass->pass, name ? name : "set_function", call_function_wrapper);
494 pass->pass.verify_irprog = ir_prog_no_verify;
495 pass->pass.dump_irprog = ir_prog_no_dump;
496 pass->pass.context = pass;
498 pass->function = function;
499 pass->context = context;
502 } /* call_function_pass */