#include "irnode.h"
#include "irtools.h"
#include "irloop_t.h"
+#include "error.h"
+#include "debug.h"
-#include "bearch.h"
+#include "bearch_t.h"
#include "belive.h"
#include "besched.h"
#include "beloopana.h"
+#include "bemodule.h"
+
+DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL);
#define HASH_LOOP_INFO(info) (HASH_PTR((info)->loop) ^ HASH_PTR((info)->cls))
struct _be_loopana_t {
set *data;
be_irg_t *birg;
- DEBUG_ONLY(firm_dbg_module_t *dbg);
};
static int cmp_loop_info(const void *a, const void *b, size_t sz) {
* @return The highest register pressure in the given block.
*/
static unsigned be_compute_block_pressure(be_loopana_t *loop_ana, ir_node *block, const arch_register_class_t *cls) {
- const arch_env_t *aenv = loop_ana->birg->main_env->arch_env;
+ const be_irg_t *birg = loop_ana->birg;
+ const arch_env_t *aenv = be_get_birg_arch_env(birg);
+ be_lv_t *lv = be_get_birg_liveness(birg);
pset *live_nodes = pset_new_ptr_default();
ir_node *irn;
int max_live;
- DBG((loop_ana->dbg, LEVEL_1, "Processing Block %+F\n", block));
+ DBG((dbg, LEVEL_1, "Processing Block %+F\n", block));
/* determine largest pressure with this block */
- live_nodes = be_liveness_end_of_block(loop_ana->birg->lv, aenv, cls, block, live_nodes);
+ live_nodes = be_liveness_end_of_block(lv, aenv, cls, block, live_nodes);
max_live = pset_count(live_nodes);
sched_foreach_reverse(block, irn) {
max_live = MAX(cnt, max_live);
}
- DBG((loop_ana->dbg, LEVEL_1, "Finished with Block %+F (%s %u)\n", block, cls->name, max_live));
+ DBG((dbg, LEVEL_1, "Finished with Block %+F (%s %u)\n", block, cls->name, max_live));
del_pset(live_nodes);
return max_live;
unsigned pressure;
be_loop_info_t *entry, key;
- DBG((loop_ana->dbg, LEVEL_1, "\nProcessing Loop %d\n", loop->loop_nr));
+ DBG((dbg, LEVEL_1, "\nProcessing Loop %d\n", loop->loop_nr));
assert(get_loop_n_elements(loop) > 0);
pressure = 0;
son_pressure = be_compute_loop_pressure(loop_ana, elem.son, cls);
break;
default:
- assert(0);
+ panic("Unknown element found in loop");
break;
}
pressure = MAX(pressure, son_pressure);
}
- DBG((loop_ana->dbg, LEVEL_1, "Done with loop %d, pressure %u for class %s\n", loop->loop_nr, pressure, cls->name));
+ DBG((dbg, LEVEL_1, "Done with loop %d, pressure %u for class %s\n", loop->loop_nr, pressure, cls->name));
/* update info in set */
key.loop = loop;
* @param cls The register class to compute the pressure for
* @return The loop analysis object.
*/
-be_loopana_t *be_new_loop_pressure_cls(be_irg_t *birg, const arch_register_class_t *cls) {
- be_loopana_t *loop_ana = xmalloc(sizeof(loop_ana));
+be_loopana_t *be_new_loop_pressure_cls(be_irg_t *birg,
+ const arch_register_class_t *cls) {
+ ir_graph *irg = be_get_birg_irg(birg);
+ be_loopana_t *loop_ana = xmalloc(sizeof(*loop_ana));
loop_ana->data = new_set(cmp_loop_info, 16);
loop_ana->birg = birg;
- FIRM_DBG_REGISTER(loop_ana->dbg, "firm.be.loopana");
- DBG((loop_ana->dbg, LEVEL_1, "\n=====================================================\n", cls->name));
- DBG((loop_ana->dbg, LEVEL_1, " Computing register pressure for class %s:\n", cls->name));
- DBG((loop_ana->dbg, LEVEL_1, "=====================================================\n", cls->name));
+ DBG((dbg, LEVEL_1, "\n=====================================================\n", cls->name));
+ DBG((dbg, LEVEL_1, " Computing register pressure for class %s:\n", cls->name));
+ DBG((dbg, LEVEL_1, "=====================================================\n", cls->name));
- be_compute_loop_pressure(loop_ana, get_irg_loop(birg->irg), cls);
+ be_compute_loop_pressure(loop_ana, get_irg_loop(irg), cls);
return loop_ana;
}
* @return The loop analysis object.
*/
be_loopana_t *be_new_loop_pressure(be_irg_t *birg) {
- be_loopana_t *loop_ana = xmalloc(sizeof(loop_ana));
- ir_loop *irg_loop = get_irg_loop(birg->irg);
- int i;
+ ir_graph *irg = be_get_birg_irg(birg);
+ be_loopana_t *loop_ana = xmalloc(sizeof(*loop_ana));
+ ir_loop *irg_loop = get_irg_loop(irg);
+ const arch_env_t *arch_env = be_get_birg_arch_env(birg);
+ const arch_isa_t *isa = arch_env->isa;
+ int i;
loop_ana->data = new_set(cmp_loop_info, 16);
loop_ana->birg = birg;
- FIRM_DBG_REGISTER(loop_ana->dbg, "firm.be.loopana");
- for (i = arch_isa_get_n_reg_class(birg->main_env->arch_env->isa) - 1; i >= 0; --i) {
- const arch_register_class_t *cls = arch_isa_get_reg_class(birg->main_env->arch_env->isa, i);
- DBG((loop_ana->dbg, LEVEL_1, "\n=====================================================\n", cls->name));
- DBG((loop_ana->dbg, LEVEL_1, " Computing register pressure for class %s:\n", cls->name));
- DBG((loop_ana->dbg, LEVEL_1, "=====================================================\n", cls->name));
+ for (i = arch_isa_get_n_reg_class(isa) - 1; i >= 0; --i) {
+ const arch_register_class_t *cls = arch_isa_get_reg_class(isa, i);
+ DBG((dbg, LEVEL_1, "\n=====================================================\n", cls->name));
+ DBG((dbg, LEVEL_1, " Computing register pressure for class %s:\n", cls->name));
+ DBG((dbg, LEVEL_1, "=====================================================\n", cls->name));
be_compute_loop_pressure(loop_ana, irg_loop, cls);
}
del_set(loop_ana->data);
xfree(loop_ana);
}
+
+void be_init_loopana(void)
+{
+ FIRM_DBG_REGISTER(dbg, "firm.be.loopana");
+}
+
+BE_REGISTER_MODULE_CONSTRUCTOR(be_init_loopana);