+/**
+ * @file
+ * @brief Central firm functionality.
+ * @author Martin Trapp, Christian Schaefer, Goetz Lindenmaier
+ * @version $Id$
+ */
+#include "config.h"
+
+#ifdef HAVE_FIRM_REVISION_H
+# include "firm_revision.h"
+#endif
+
+#include <string.h>
+#include <stdio.h>
+
+#include "lc_opts.h"
+
+#include "ident_t.h"
+#include "firm.h"
+#include "irflag_t.h"
+#include "tv_t.h"
+#include "tpop_t.h"
+#include "irprog_t.h"
+#include "irnode_t.h"
+#include "irmode_t.h"
+#include "ircons_t.h"
+#include "irgraph_t.h"
+#include "type_t.h"
+#include "entity_t.h"
+#include "firmstat.h"
+#include "irarch.h"
+#include "irhooks.h"
+#include "iredges_t.h"
+#include "irmemory_t.h"
+#include "opt_init.h"
+#include "debugger.h"
+#include "be_t.h"
+#include "irtools.h"
+
+/* returns the firm root */
+lc_opt_entry_t *firm_opt_get_root(void)
+{
+ static lc_opt_entry_t *grp = NULL;
+ if (!grp)
+ grp = lc_opt_get_grp(lc_opt_root_grp(), "firm");
+ return grp;
+}
+
+void ir_init(const firm_parameter_t *param)
+{
+ firm_parameter_t def_params;
+ unsigned int size;
+
+ /* for historical reasons be_init must be run first */
+ firm_be_init();
+
+ memset(&def_params, 0, sizeof(def_params));
+
+ if (param) {
+ /* check for reasonable size */
+ assert(param->size <= sizeof(def_params) && (param->size & 3) == 0 &&
+ "parameter struct not initialized ???");
+ size = sizeof(def_params);
+ if (param->size < size)
+ size = param->size;
+
+ memcpy(&def_params, param, size);
+ }
+
+ /* initialize firm flags */
+ firm_init_flags();
+ /* initialize all ident stuff */
+ init_ident();
+ /* enhanced statistics, need idents and hooks */
+ if (def_params.enable_statistics != 0)
+ firm_init_stat(def_params.enable_statistics);
+ /* Edges need hooks. */
+ init_edges();
+ /* create the type kinds. */
+ init_tpop();
+ /* create an obstack and put all tarvals in a pdeq */
+ init_tarval_1(0l, /* support_quad_precision */0);
+ /* Builds a basic program representation, so modes can be added. */
+ init_irprog_1();
+ /* initialize all modes an ir node can consist of */
+ init_mode();
+ /* initialize tarvals, and floating point arithmetic */
+ init_tarval_2();
+ /* init graph construction */
+ firm_init_irgraph();
+ /* kind of obstack initialization */
+ firm_init_mangle();
+ /* initialize all op codes an irnode can consist of */
+ init_op();
+ /* called once for each run of this library */
+ if (def_params.initialize_local_func != NULL)
+ ir_set_uninitialized_local_variable_func(
+ def_params.initialize_local_func);
+ /* initialize reassociation */
+ firm_init_reassociation();
+ /* initialize function call optimization */
+ firm_init_funccalls();
+ /* initialize function inlining */
+ firm_init_inline();
+ /* initialize scalar replacement */
+ firm_init_scalar_replace();
+ /* Builds a construct allowing to access all information to be constructed
+ later. */
+ init_irprog_2();
+ /* Initialize the type module and construct some idents needed. */
+ ir_init_type();
+ /* initialize the entity module */
+ ir_init_entity();
+ /* class cast optimization */
+ firm_init_class_casts_opt();
+ /* memory disambiguation */
+ firm_init_memory_disambiguator();
+ firm_init_loop_opt();
+
+ /* Init architecture dependent optimizations. */
+ arch_dep_set_opts(arch_dep_none);
+
+ init_irnode();
+
+#ifdef DEBUG_libfirm
+ /* integrated debugger extension */
+ firm_init_debugger();
+#endif
+}
+
+void ir_finish(void)
+{
+ size_t i;
+
+ /* must iterate backwards here */
+ for (i = get_irp_n_irgs(); i > 0;)
+ free_ir_graph(get_irp_irg(--i));
+
+ free_type_entities(get_glob_type());
+ /* must iterate backwards here */
+ for (i = get_irp_n_types(); i > 0;)
+ free_type_entities(get_irp_type(--i));
+
+ for (i = get_irp_n_types(); i > 0;)
+ free_type(get_irp_type(--i));
+
+ free_ir_prog();
+
+ ir_finish_entity();
+ ir_finish_type();
+
+ finish_tarval();
+ finish_mode();
+ finish_tpop();
+ finish_ident();
+
+ firm_be_finish();
+}
+
+unsigned ir_get_version_major(void)
+{
+ return libfirm_VERSION_MAJOR;
+}
+
+unsigned ir_get_version_minor(void)
+{
+ return libfirm_VERSION_MINOR;
+}
+
+const char *ir_get_version_revision(void)
+{
+#ifdef libfirm_VERSION_REVISION
+ return libfirm_VERSION_REVISION;
+#else
+ return "";