*
* @file firm_opt.c -- Firm-generating back end optimizations.
*
- * (C) 2005-2007 Michael Beck beck@ipd.info.uni-karlsruhe.de
+ * (C) 2005-2010 Michael Beck beck@ipd.info.uni-karlsruhe.de
*
* $Id$
*/
+
+#include <config.h>
+
+#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
+#include <stdbool.h>
+#include <assert.h>
#include <libfirm/firm.h>
-#include <libfirm/be.h>
-
#include "firm_opt.h"
#include "firm_codegen.h"
#include "firm_cmdline.h"
#include "firm_timing.h"
+#include "ast2firm.h"
-#ifdef _WIN32
-#define snprintf _snprintf
-#endif
-
-#if defined(_DEBUG) || defined(FIRM_DEBUG)
-#define DBG(x) dbg_printf x
-#else
-#define DBG(x)
-#endif /* _DEBUG || FIRM_DEBUG */
-
+static ir_timer_t *t_vcg_dump;
+static ir_timer_t *t_verify;
+static ir_timer_t *t_all_opt;
+static bool do_irg_opt(ir_graph *irg, const char *name);
/** dump all the graphs depending on cond */
-#define DUMP_ALL(cond, suffix) \
- do { \
- if (cond) { \
- timer_push(TV_VCG_DUMP); \
- if (firm_dump.no_blocks) \
- dump_all_ir_graphs(dump_ir_graph, suffix); \
- else if (firm_dump.extbb) \
- dump_all_ir_graphs(dump_ir_extblock_graph, suffix);\
- else \
- dump_all_ir_graphs(dump_ir_block_graph, suffix); \
- timer_pop(); \
- } \
- } while (0)
-
-/** dump all control flow graphs depending on cond */
-#define DUMP_ALL_CFG(cond, suffix) \
- do { \
- if (cond) { \
- timer_push(TV_VCG_DUMP); \
- dump_all_ir_graphs(dump_cfg, suffix); \
- timer_pop(); \
- } \
- } while (0)
-
-/** check all graphs depending on cond */
-#define CHECK_ALL(cond) \
- do { \
- if (cond) { \
- int ii; \
- timer_push(TV_VERIFY); \
- for (ii = get_irp_n_irgs() - 1; ii >= 0; --ii) \
- irg_verify(get_irp_irg(ii), VRFY_ENFORCE_SSA); \
- timer_pop(); \
- } \
- } while (0)
-
-
-
-/** dump graphs irg depending on cond */
-#define DUMP_ONE(cond, irg, suffix) \
- do { \
- if (cond) { \
- timer_push(TV_VCG_DUMP); \
- if (firm_dump.no_blocks) \
- dump_ir_graph(irg, suffix); \
- else if (firm_dump.extbb) \
- dump_ir_extblock_graph(irg, suffix); \
- else \
- dump_ir_block_graph(irg, suffix); \
- timer_pop(); \
- } \
- } while (0)
-
-/** dump control flow graph irg depending on cond */
-#define DUMP_ONE_CFG(cond, irg, suffix) \
- do { \
- if (cond) { \
- timer_push(TV_VCG_DUMP); \
- dump_cfg(irg, suffix); \
- timer_pop(); \
- } \
- } while (0)
-
-/** check a graph irg depending on cond */
-#define CHECK_ONE(cond, irg) \
- do { \
- if (cond) { \
- timer_push(TV_VERIFY); \
- irg_verify(irg, VRFY_ENFORCE_SSA); \
- timer_pop(); \
- } \
- } while (0)
+static void dump_all(const char *suffix)
+{
+ if (!firm_dump.ir_graph)
+ return;
+
+ timer_push(t_vcg_dump);
+ dump_all_ir_graphs(suffix);
+ timer_pop(t_vcg_dump);
+}
/* set by the backend parameters */
-static const ir_settings_arch_dep_t *ad_param = NULL;
-static create_intrinsic_fkt *arch_create_intrinsic = NULL;
-static void *create_intrinsic_ctx = NULL;
-static const ir_settings_if_conv_t *if_conv_info = NULL;
-
-ir_mode *firm_imm_fp_mode = NULL;
+static const ir_settings_arch_dep_t *ad_param = NULL;
+static create_intrinsic_fkt *arch_create_intrinsic = NULL;
+static void *create_intrinsic_ctx = NULL;
+static const ir_settings_if_conv_t *if_conv_info = NULL;
/* entities of runtime functions */
ir_entity_ptr rts_entities[rts_max];
*/
static const ir_settings_arch_dep_t *arch_factory(void)
{
- static const ir_settings_arch_dep_t param = {
- 1, /* also use subs */
- 4, /* maximum shifts */
- 31, /* maximum shift amount */
- NULL, /* use default evaluator */
-
- 1, /* allow Mulhs */
- 1, /* allow Mulus */
- 32 /* Mulh allowed up to 32 bit */
- };
-
- return ad_param ? ad_param : ¶m;
+ static const ir_settings_arch_dep_t param = {
+ 1, /* also use subs */
+ 4, /* maximum shifts */
+ 31, /* maximum shift amount */
+ NULL, /* use default evaluator */
+
+ 1, /* allow Mulhs */
+ 1, /* allow Mulus */
+ 32 /* Mulh allowed up to 32 bit */
+ };
+
+ return ad_param ? ad_param : ¶m;
}
/**
* Map runtime functions.
*/
-static void rts_map(void) {
- static const struct {
- ir_entity_ptr *ent; /**< address of the rts entity */
- i_mapper_func func; /**< mapper function. */
- } mapper[] = {
- /* integer */
- { &rts_entities[rts_abs], i_mapper_abs },
- { &rts_entities[rts_labs], i_mapper_abs },
- { &rts_entities[rts_llabs], i_mapper_abs },
- { &rts_entities[rts_imaxabs], i_mapper_abs },
-
- /* double -> double */
- { &rts_entities[rts_fabs], i_mapper_abs },
- { &rts_entities[rts_sqrt], i_mapper_sqrt },
- { &rts_entities[rts_cbrt], i_mapper_cbrt },
- { &rts_entities[rts_pow], i_mapper_pow },
- { &rts_entities[rts_exp], i_mapper_exp },
- { &rts_entities[rts_exp2], i_mapper_exp },
- { &rts_entities[rts_exp10], i_mapper_exp },
- { &rts_entities[rts_log], i_mapper_log },
- { &rts_entities[rts_log2], i_mapper_log2 },
- { &rts_entities[rts_log10], i_mapper_log10 },
- { &rts_entities[rts_sin], i_mapper_sin },
- { &rts_entities[rts_cos], i_mapper_cos },
- { &rts_entities[rts_tan], i_mapper_tan },
- { &rts_entities[rts_asin], i_mapper_asin },
- { &rts_entities[rts_acos], i_mapper_acos },
- { &rts_entities[rts_atan], i_mapper_atan },
- { &rts_entities[rts_sinh], i_mapper_sinh },
- { &rts_entities[rts_cosh], i_mapper_cosh },
- { &rts_entities[rts_tanh], i_mapper_tanh },
-
- /* float -> float */
- { &rts_entities[rts_fabsf], i_mapper_abs },
- { &rts_entities[rts_sqrtf], i_mapper_sqrt },
- { &rts_entities[rts_cbrtf], i_mapper_cbrt },
- { &rts_entities[rts_powf], i_mapper_pow },
- { &rts_entities[rts_expf], i_mapper_exp },
- { &rts_entities[rts_exp2f], i_mapper_exp },
- { &rts_entities[rts_exp10f], i_mapper_exp },
- { &rts_entities[rts_logf], i_mapper_log },
- { &rts_entities[rts_log2f], i_mapper_log2 },
- { &rts_entities[rts_log10f], i_mapper_log10 },
- { &rts_entities[rts_sinf], i_mapper_sin },
- { &rts_entities[rts_cosf], i_mapper_cos },
- { &rts_entities[rts_tanf], i_mapper_tan },
- { &rts_entities[rts_asinf], i_mapper_asin },
- { &rts_entities[rts_acosf], i_mapper_acos },
- { &rts_entities[rts_atanf], i_mapper_atan },
- { &rts_entities[rts_sinhf], i_mapper_sinh },
- { &rts_entities[rts_coshf], i_mapper_cosh },
- { &rts_entities[rts_tanhf], i_mapper_tanh },
-
- /* long double -> long double */
- { &rts_entities[rts_fabsl], i_mapper_abs },
- { &rts_entities[rts_sqrtl], i_mapper_sqrt },
- { &rts_entities[rts_cbrtl], i_mapper_cbrt },
- { &rts_entities[rts_powl], i_mapper_pow },
- { &rts_entities[rts_expl], i_mapper_exp },
- { &rts_entities[rts_exp2l], i_mapper_exp },
- { &rts_entities[rts_exp10l], i_mapper_exp },
- { &rts_entities[rts_logl], i_mapper_log },
- { &rts_entities[rts_log2l], i_mapper_log2 },
- { &rts_entities[rts_log10l], i_mapper_log10 },
- { &rts_entities[rts_sinl], i_mapper_sin },
- { &rts_entities[rts_cosl], i_mapper_cos },
- { &rts_entities[rts_tanl], i_mapper_tan },
- { &rts_entities[rts_asinl], i_mapper_asin },
- { &rts_entities[rts_acosl], i_mapper_acos },
- { &rts_entities[rts_atanl], i_mapper_atan },
- { &rts_entities[rts_sinhl], i_mapper_sinh },
- { &rts_entities[rts_coshl], i_mapper_cosh },
- { &rts_entities[rts_tanhl], i_mapper_tanh },
-
- /* string */
- { &rts_entities[rts_memcpy], i_mapper_memcpy },
- { &rts_entities[rts_memset], i_mapper_memset },
- { &rts_entities[rts_strcmp], i_mapper_strcmp },
- { &rts_entities[rts_strncmp], i_mapper_strncmp },
- { &rts_entities[rts_strlen], i_mapper_strlen }
- };
- i_record rec[sizeof(mapper)/sizeof(mapper[0])];
- unsigned i, n_map;
-
- for (i = n_map = 0; i < sizeof(mapper)/sizeof(mapper[0]); ++i)
- if (*mapper[i].ent != NULL) {
- rec[n_map].i_call.kind = INTRINSIC_CALL;
- rec[n_map].i_call.i_ent = *mapper[i].ent;
- rec[n_map].i_call.i_mapper = mapper[i].func;
- rec[n_map].i_call.ctx = NULL;
- rec[n_map].i_call.link = NULL;
- ++n_map;
- } /* if */
- if (n_map > 0)
- lower_intrinsics(rec, n_map, /* part_block_used=*/0);
-} /* rts_map */
+static void rts_map(void)
+{
+ static const struct {
+ ir_entity_ptr *ent; /**< address of the rts entity */
+ i_mapper_func func; /**< mapper function. */
+ } mapper[] = {
+ /* integer */
+ { &rts_entities[rts_abs], i_mapper_abs },
+ { &rts_entities[rts_labs], i_mapper_abs },
+ { &rts_entities[rts_llabs], i_mapper_abs },
+ { &rts_entities[rts_imaxabs], i_mapper_abs },
+
+ /* double -> double */
+ { &rts_entities[rts_fabs], i_mapper_abs },
+ { &rts_entities[rts_sqrt], i_mapper_sqrt },
+ { &rts_entities[rts_cbrt], i_mapper_cbrt },
+ { &rts_entities[rts_pow], i_mapper_pow },
+ { &rts_entities[rts_exp], i_mapper_exp },
+ { &rts_entities[rts_exp2], i_mapper_exp },
+ { &rts_entities[rts_exp10], i_mapper_exp },
+ { &rts_entities[rts_log], i_mapper_log },
+ { &rts_entities[rts_log2], i_mapper_log2 },
+ { &rts_entities[rts_log10], i_mapper_log10 },
+ { &rts_entities[rts_sin], i_mapper_sin },
+ { &rts_entities[rts_cos], i_mapper_cos },
+ { &rts_entities[rts_tan], i_mapper_tan },
+ { &rts_entities[rts_asin], i_mapper_asin },
+ { &rts_entities[rts_acos], i_mapper_acos },
+ { &rts_entities[rts_atan], i_mapper_atan },
+ { &rts_entities[rts_sinh], i_mapper_sinh },
+ { &rts_entities[rts_cosh], i_mapper_cosh },
+ { &rts_entities[rts_tanh], i_mapper_tanh },
+
+ /* float -> float */
+ { &rts_entities[rts_fabsf], i_mapper_abs },
+ { &rts_entities[rts_sqrtf], i_mapper_sqrt },
+ { &rts_entities[rts_cbrtf], i_mapper_cbrt },
+ { &rts_entities[rts_powf], i_mapper_pow },
+ { &rts_entities[rts_expf], i_mapper_exp },
+ { &rts_entities[rts_exp2f], i_mapper_exp },
+ { &rts_entities[rts_exp10f], i_mapper_exp },
+ { &rts_entities[rts_logf], i_mapper_log },
+ { &rts_entities[rts_log2f], i_mapper_log2 },
+ { &rts_entities[rts_log10f], i_mapper_log10 },
+ { &rts_entities[rts_sinf], i_mapper_sin },
+ { &rts_entities[rts_cosf], i_mapper_cos },
+ { &rts_entities[rts_tanf], i_mapper_tan },
+ { &rts_entities[rts_asinf], i_mapper_asin },
+ { &rts_entities[rts_acosf], i_mapper_acos },
+ { &rts_entities[rts_atanf], i_mapper_atan },
+ { &rts_entities[rts_sinhf], i_mapper_sinh },
+ { &rts_entities[rts_coshf], i_mapper_cosh },
+ { &rts_entities[rts_tanhf], i_mapper_tanh },
+
+ /* long double -> long double */
+ { &rts_entities[rts_fabsl], i_mapper_abs },
+ { &rts_entities[rts_sqrtl], i_mapper_sqrt },
+ { &rts_entities[rts_cbrtl], i_mapper_cbrt },
+ { &rts_entities[rts_powl], i_mapper_pow },
+ { &rts_entities[rts_expl], i_mapper_exp },
+ { &rts_entities[rts_exp2l], i_mapper_exp },
+ { &rts_entities[rts_exp10l], i_mapper_exp },
+ { &rts_entities[rts_logl], i_mapper_log },
+ { &rts_entities[rts_log2l], i_mapper_log2 },
+ { &rts_entities[rts_log10l], i_mapper_log10 },
+ { &rts_entities[rts_sinl], i_mapper_sin },
+ { &rts_entities[rts_cosl], i_mapper_cos },
+ { &rts_entities[rts_tanl], i_mapper_tan },
+ { &rts_entities[rts_asinl], i_mapper_asin },
+ { &rts_entities[rts_acosl], i_mapper_acos },
+ { &rts_entities[rts_atanl], i_mapper_atan },
+ { &rts_entities[rts_sinhl], i_mapper_sinh },
+ { &rts_entities[rts_coshl], i_mapper_cosh },
+ { &rts_entities[rts_tanhl], i_mapper_tanh },
+
+ /* string */
+ { &rts_entities[rts_strcmp], i_mapper_strcmp },
+ { &rts_entities[rts_strncmp], i_mapper_strncmp },
+ { &rts_entities[rts_strcpy], i_mapper_strcpy },
+ { &rts_entities[rts_strlen], i_mapper_strlen },
+ { &rts_entities[rts_memcpy], i_mapper_memcpy },
+ { &rts_entities[rts_mempcpy], i_mapper_mempcpy },
+ { &rts_entities[rts_memmove], i_mapper_memmove },
+ { &rts_entities[rts_memset], i_mapper_memset },
+ { &rts_entities[rts_memcmp], i_mapper_memcmp }
+ };
+ i_record rec[sizeof(mapper)/sizeof(mapper[0])];
+ unsigned i, n_map;
+
+ for (i = n_map = 0; i < sizeof(mapper)/sizeof(mapper[0]); ++i) {
+ if (*mapper[i].ent != NULL) {
+ rec[n_map].i_call.kind = INTRINSIC_CALL;
+ rec[n_map].i_call.i_ent = *mapper[i].ent;
+ rec[n_map].i_call.i_mapper = mapper[i].func;
+ rec[n_map].i_call.ctx = NULL;
+ rec[n_map].i_call.link = NULL;
+ ++n_map;
+ }
+ }
+
+ if (n_map > 0)
+ lower_intrinsics(rec, n_map, /* part_block_used=*/0);
+}
static int *irg_dump_no;
+static int firm_const_exists;
-static void dump_graph_count(ir_graph *const irg, const char *const suffix)
+static void do_optimize_funccalls(void)
{
- char name[64];
- snprintf(name, sizeof(name), "-%02d_%s", irg_dump_no[get_irg_idx(irg)]++, suffix);
- DUMP_ONE(1, irg, name);
+ optimize_funccalls(firm_const_exists, NULL);
}
-static void dump_graph_cfg_count(ir_graph *const irg, const char *const suffix)
+static void do_gcse(ir_graph *irg)
{
- char name[64];
- snprintf(name, sizeof(name), "-%02d_%s", irg_dump_no[get_irg_idx(irg)]++, suffix);
- DUMP_ONE_CFG(1, irg, name);
+ set_opt_global_cse(1);
+ optimize_graph_df(irg);
+ place_code(irg);
+ set_opt_global_cse(0);
}
-static void dump_all_count(const char *const suffix)
+static void do_lower_highlevel(ir_graph *irg)
{
- const int n_irgs = get_irp_n_irgs();
- int i;
+ lower_highlevel_graph(irg, firm_opt.lower_bitfields);
+}
- for (i = 0; i < n_irgs; ++i)
- dump_graph_count(get_irp_irg(i), suffix);
+static void do_if_conv(ir_graph *irg)
+{
+ opt_if_conv(irg, if_conv_info);
}
-#define DUMP_ONE_C(cond, irg, suffix) \
- do { \
- if (cond) { \
- dump_graph_count((irg), (suffix)); \
- } \
- } while (0)
-
-#define DUMP_ONE_CFG_C(cond, irg, suffix) \
- do { \
- if (cond) { \
- dump_graph_cfg_count((irg), (suffix)); \
- } \
- } while (0)
-
-#define DUMP_ALL_C(cond, suffix) \
- do { \
- if (cond) { \
- dump_all_count((suffix)); \
- } \
- } while (0)
+static void do_stred(ir_graph *irg)
+{
+ opt_osr(irg, osr_flag_default | osr_flag_keep_reg_pressure | osr_flag_ignore_x86_shift);
+}
-/**
- * run all the Firm optimizations
- *
- * @param input_filename the name of the (main) source file
- * @param firm_const_exists non-zero, if the const attribute was used on functions
- */
-static void do_firm_optimizations(const char *input_filename, int firm_const_exists)
+static void after_inline_opt(ir_graph *irg)
{
- int i;
- ir_graph *irg;
- unsigned aa_opt;
-
- /* FIXME: cloning might ADD new graphs. */
- irg_dump_no = calloc(get_irp_last_idx(), sizeof(*irg_dump_no));
-
- set_opt_strength_red(firm_opt.strength_red);
- set_opt_scalar_replacement(firm_opt.scalar_replace);
- set_opt_auto_create_sync(firm_opt.auto_sync);
- set_opt_alias_analysis(firm_opt.alias_analysis);
-
- aa_opt = aa_opt_no_opt;
- if (firm_opt.strict_alias)
- aa_opt |= aa_opt_type_based | aa_opt_byte_type_may_alias;
- if (firm_opt.no_alias)
- aa_opt = aa_opt_no_alias;
-
- set_irp_memory_disambiguator_options(aa_opt);
-
- timer_start(TV_ALL_OPT);
-
- if (firm_opt.remove_unused) {
- ir_entity **keep_methods;
- int arr_len;
-
- /* Analysis that finds the free methods,
- i.e. methods that are dereferenced.
- Optimizes polymorphic calls :-). */
- cgana(&arr_len, &keep_methods);
-
- /* Remove methods that are never called. */
- gc_irgs(arr_len, keep_methods);
-
- free(keep_methods);
- }
-
- if (! firm_opt.freestanding) {
- rts_map();
- DUMP_ALL_C(firm_dump.ir_graph && firm_dump.all_phases, "rts");
- CHECK_ALL(firm_opt.check_all);
- }
-
- /* first step: kill dead code */
- for (i = 0; i < get_irp_n_irgs(); i++) {
- irg = current_ir_graph = get_irp_irg(i);
- /* Confirm construction currently can only handle blocks with only one control
- flow predecessor. Calling optimize_cf here removes Bad predecessors and help
- the optimization of switch constructs. */
- timer_push(TV_CF_OPT);
- optimize_graph_df(irg);
- optimize_cf(irg);
- timer_pop();
- }
-
- if (firm_opt.func_calls) {
- timer_push(TV_REAL_FUNC_CALL);
- optimize_funccalls(firm_const_exists, NULL);
- timer_pop();
- DUMP_ALL_C(firm_dump.ir_graph && firm_dump.all_phases, "func_call");
- CHECK_ALL(firm_opt.check_all);
- }
-
- /* do lowering on the const code irg */
- lower_const_code();
-
- for (i = 0; i < get_irp_n_irgs(); i++) {
- irg = current_ir_graph = get_irp_irg(i);
-
-#ifdef FIRM_EXT_GRS
- /* If SIMD optimization is on, make sure we have only 1 return */
- if (firm_ext_grs.create_pattern || firm_ext_grs.simd_opt)
- normalize_one_return(irg);
-#endif
+ do_irg_opt(irg, "scalar-replace");
+ do_irg_opt(irg, "local");
+ do_irg_opt(irg, "control-flow");
+ do_irg_opt(irg, "combo");
+}
+static void do_inline(void)
+{
+ inline_functions(firm_opt.inline_maxsize, firm_opt.inline_threshold,
+ after_inline_opt);
+}
-#if 0
- if (firm_opt.modes) {
- /* convert all modes into integer if possible */
- arch_mode_conversion(irg, predefs.mode_uint);
- }
-#endif
- timer_push(TV_SCALAR_REPLACE);
- scalar_replacement_opt(irg);
- timer_pop();
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, irg, "scalar");
- CHECK_ONE(firm_opt.check_all, irg);
-
- timer_push(TV_LOCAL_OPT);
- optimize_graph_df(irg);
- timer_pop();
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, irg, "lopt");
- CHECK_ONE(firm_opt.check_all, irg);
-
- timer_push(TV_REASSOCIATION);
- optimize_reassociation(irg);
- timer_pop();
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, irg, "reassoc");
- CHECK_ONE(firm_opt.check_all, irg);
-
- compute_doms(irg);
- CHECK_ONE(firm_opt.check_all, irg);
-
- if (firm_opt.gcse) {
- timer_push(TV_CODE_PLACE);
- set_opt_global_cse(1);
- optimize_graph_df(irg);
- place_code(irg);
- set_opt_global_cse(0);
- timer_pop();
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, irg, "place");
- CHECK_ONE(firm_opt.check_all, irg);
- }
-
- if (firm_opt.confirm) {
- /* Confirm construction currently can only handle blocks with only one control
- flow predecessor. Calling optimize_cf here removes Bad predecessors and help
- the optimization of switch constructs. */
- timer_push(TV_CF_OPT);
- optimize_cf(irg);
- timer_pop();
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, irg, "cfopt");
- CHECK_ONE(firm_opt.check_all, irg);
- timer_push(TV_CONFIRM_CREATE);
- construct_confirms(irg);
- timer_pop();
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, irg, "confirms");
- CHECK_ONE(firm_opt.check_all, irg);
-
- timer_push(TV_LOCAL_OPT);
- optimize_graph_df(irg);
- timer_pop();
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, irg, "lopt");
- CHECK_ONE(firm_opt.check_all, irg);
- }
-
- if (firm_opt.luffig) {
- opt_ldst2(irg);
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, irg, "ldst2");
- CHECK_ONE(firm_opt.check_all, irg);
- }
-
- timer_push(TV_CF_OPT);
- optimize_cf(irg);
- timer_pop();
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, irg, "cfopt");
- CHECK_ONE(firm_opt.check_all, irg);
-
- if (firm_opt.load_store) {
- timer_push(TV_LOAD_STORE);
- optimize_load_store(irg);
- timer_pop();
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, irg, "ldst");
- CHECK_ONE(firm_opt.check_all, irg);
- }
-
- lower_highlevel_graph(irg, firm_opt.lower_bitfields);
-
- if (firm_opt.deconv) {
- timer_push(TV_DECONV);
- conv_opt(irg);
- timer_pop();
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, irg, "deconv");
- CHECK_ONE(firm_opt.check_all, irg);
- }
-
- if (firm_opt.cond_eval) {
- timer_push(TV_COND_EVAL);
- opt_cond_eval(irg);
- timer_pop();
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, irg, "cond_eval");
- CHECK_ONE(firm_opt.check_all, irg);
- }
-
- /* should we really remove the Confirm here? */
- if (firm_opt.confirm) {
- timer_push(TV_CONFIRM_CREATE);
- remove_confirms(irg);
- timer_pop();
- }
-
- if (firm_opt.gvn_pre) {
- do_gvn_pre(irg);
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, irg, "pre");
- CHECK_ONE(firm_opt.check_all, irg);
- irg_verify(irg, VRFY_ENFORCE_SSA);
- }
-
- if (! firm_opt.gcse) {
- timer_push(TV_CODE_PLACE);
- optimize_graph_df(irg);
- place_code(irg);
- timer_pop();
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, irg, "place");
- CHECK_ONE(firm_opt.check_all, irg);
- }
-
- compute_doms(irg);
- compute_postdoms(irg);
- DUMP_ONE_CFG_C(firm_dump.ir_graph && firm_dump.all_phases, irg, "dom");
- CHECK_ONE(firm_opt.check_all, irg);
-
- construct_backedges(irg);
-
- timer_push(TV_CF_OPT);
- optimize_cf(irg);
- timer_pop();
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, irg, "cfopt");
- CHECK_ONE(firm_opt.check_all, irg);
-
- if (firm_opt.if_conversion) {
- timer_push(TV_IF_CONV);
- opt_if_conv(current_ir_graph, if_conv_info);
- timer_pop();
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, irg, "if");
- CHECK_ONE(firm_opt.check_all, current_ir_graph);
-
- timer_push(TV_LOCAL_OPT);
- optimize_graph_df(current_ir_graph);
- timer_pop();
- timer_push(TV_CF_OPT);
- optimize_cf(current_ir_graph);
- timer_pop();
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, irg, "after_if");
- CHECK_ONE(firm_opt.check_all, current_ir_graph);
- }
-
- if (firm_opt.bool_opt) {
- opt_bool(irg);
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, irg, "bool");
- CHECK_ONE(firm_opt.check_all, irg);
- }
-
- timer_push(TV_OSR);
- opt_osr(current_ir_graph, osr_flag_default | osr_flag_keep_reg_pressure | osr_flag_ignore_x86_shift);
- timer_pop();
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, irg, "stred");
- CHECK_ONE(firm_opt.check_all, irg);
-
- timer_push(TV_LOCAL_OPT);
- optimize_graph_df(irg);
- timer_pop();
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, irg, "lopt");
- CHECK_ONE(firm_opt.check_all, irg);
-
- edges_deactivate(irg);
- timer_push(TV_DEAD_NODE);
- dead_node_elimination(irg);
- timer_pop();
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, irg, "dead");
- CHECK_ONE(firm_opt.check_all, irg);
- }
-
- if (firm_opt.do_inline) {
- inline_functions(500, 50);
- DUMP_ALL_C(firm_dump.ir_graph && firm_dump.all_phases, "inl");
- CHECK_ALL(firm_opt.check_all);
- }
- if (firm_opt.cloning) {
- proc_cloning((float)firm_opt.clone_threshold);
- DUMP_ALL_C(firm_dump.ir_graph && firm_dump.all_phases, "clone");
- CHECK_ALL(firm_opt.check_all);
- }
- if (firm_opt.tail_rec) {
- timer_push(TV_TAIL_REC);
- opt_tail_recursion();
- timer_pop();
-
- DUMP_ALL_C(firm_dump.ir_graph && firm_dump.all_phases, "tail_rec");
- CHECK_ALL(firm_opt.check_all);
- }
-
- if (firm_opt.cond_eval) {
- for (i = 0; i < get_irp_n_irgs(); i++) {
- irg = get_irp_irg(i);
- timer_push(TV_COND_EVAL);
- opt_cond_eval(irg);
- timer_pop();
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, irg, "cond_eval");
- CHECK_ONE(firm_opt.check_all, irg);
- }
- }
-
- /* final run of local optimizations */
- for (i = 0; i < get_irp_n_irgs(); i++) {
- irg = get_irp_irg(i);
- timer_push(TV_LOCAL_OPT);
- optimize_graph_df(irg);
- timer_pop();
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, irg, "local_opt");
- CHECK_ONE(firm_opt.check_all, irg);
-
- timer_push(TV_CF_OPT);
- optimize_cf(irg);
- timer_pop();
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, irg, "cfopt");
- CHECK_ONE(firm_opt.check_all, irg);
- }
-
- if (firm_dump.ir_graph) {
- /* recompute backedges for nicer dumps */
- for (i = 0; i < get_irp_n_irgs(); i++)
- construct_cf_backedges(get_irp_irg(i));
- }
-
- if (firm_opt.remove_unused) {
- ir_entity **keep_methods;
- int arr_len;
-
- /* Analysis that finds the free methods,
- i.e. methods that are dereferenced.
- Optimizes polymorphic calls :-). */
- cgana(&arr_len, &keep_methods);
-
- /* Remove methods that are never called. */
- gc_irgs(arr_len, keep_methods);
-
- free(keep_methods);
- }
-
-
- DUMP_ALL(firm_dump.ir_graph, "-opt");
-
- /* verify optimized graphs */
- for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
- ir_graph *irg = get_irp_irg(i);
- irg_verify(irg, VRFY_ENFORCE_SSA);
- }
-
- if (firm_dump.statistic & STAT_AFTER_OPT)
- stat_dump_snapshot(input_filename, "opt");
-
- timer_stop(TV_ALL_OPT);
-} /* do_firm_optimizations */
+static void do_cloning(void)
+{
+ proc_cloning((float) firm_opt.clone_threshold);
+}
+
+static void do_lower_switch(ir_graph *irg)
+{
+ lower_switch(irg, firm_opt.spare_size);
+}
+
+static void do_lower_mux(ir_graph *irg)
+{
+ lower_mux(irg, NULL);
+}
+
+static void do_lower_dw_ops(void)
+{
+ lwrdw_param_t init = {
+ 1,
+ 1,
+ get_atomic_mode(ATOMIC_TYPE_LONGLONG),
+ get_atomic_mode(ATOMIC_TYPE_ULONGLONG),
+ get_atomic_mode(ATOMIC_TYPE_INT),
+ get_atomic_mode(ATOMIC_TYPE_UINT),
+ def_create_intrinsic_fkt,
+ NULL
+ };
+
+ if (arch_create_intrinsic) {
+ init.create_intrinsic = arch_create_intrinsic;
+ init.ctx = create_intrinsic_ctx;
+ }
+ lower_dw_ops(&init);
+}
+
+static void do_vrp(ir_graph *irg)
+{
+ set_vrp_data(irg);
+}
+
+typedef enum opt_target {
+ OPT_TARGET_IRG, /**< optimization function works on a single graph */
+ OPT_TARGET_IRP /**< optimization function works on the complete program */
+} opt_target_t;
+
+typedef enum opt_flags {
+ OPT_FLAG_NONE = 0,
+ OPT_FLAG_ENABLED = 1 << 0, /**< enable the optimization */
+ OPT_FLAG_NO_DUMP = 1 << 1, /**< don't dump after transformation */
+ OPT_FLAG_NO_VERIFY = 1 << 2, /**< don't verify after transformation */
+ OPT_FLAG_HIDE_OPTIONS = 1 << 3, /**< do not automatically process
+ -foptions for this transformation */
+ OPT_FLAG_ESSENTIAL = 1 << 4, /**< output won't work without this pass
+ so we need it even with -O0 */
+} opt_flags_t;
+
+typedef void (*transform_irg_func)(ir_graph *irg);
+typedef void (*transform_irp_func)(void);
+
+typedef struct {
+ opt_target_t target;
+ const char *name;
+ union {
+ transform_irg_func transform_irg;
+ transform_irp_func transform_irp;
+ } u;
+ const char *description;
+ opt_flags_t flags;
+} opt_config_t;
+
+static opt_config_t opts[] = {
+#define IRG(a, b, c, d) { OPT_TARGET_IRG, a, .u.transform_irg = (transform_irg_func)b, c, d }
+#define IRP(a, b, c, d) { OPT_TARGET_IRP, a, .u.transform_irp = b, c, d }
+ IRG("bool", opt_bool, "bool simplification", OPT_FLAG_NONE),
+ IRG("combo", combo, "combined CCE, UCE and GVN", OPT_FLAG_NONE),
+ IRG("confirm", construct_confirms, "confirm optimisation", OPT_FLAG_HIDE_OPTIONS),
+ IRG("control-flow", optimize_cf, "optimization of control-flow", OPT_FLAG_HIDE_OPTIONS),
+ IRG("dead", dead_node_elimination, "dead node elimination", OPT_FLAG_HIDE_OPTIONS | OPT_FLAG_NO_DUMP | OPT_FLAG_NO_VERIFY),
+ IRG("deconv", conv_opt, "conv node elimination", OPT_FLAG_NONE),
+ IRG("fp-vrp", fixpoint_vrp, "fixpoint value range propagation", OPT_FLAG_NONE),
+ IRG("frame", opt_frame_irg, "remove unused frame entities", OPT_FLAG_NONE),
+ IRG("gcse", do_gcse, "global common subexpression elimination", OPT_FLAG_NONE),
+ IRG("gvn-pre", do_gvn_pre, "global value numbering partial redundancy elimination", OPT_FLAG_NONE),
+ IRG("if-conversion", do_if_conv, "if-conversion", OPT_FLAG_NONE),
+ IRG("invert-loops", do_loop_inversion, "loop inversion", OPT_FLAG_NONE),
+ IRG("ivopts", do_stred, "induction variable strength reduction", OPT_FLAG_NONE),
+ IRG("local", optimize_graph_df, "local graph optimizations", OPT_FLAG_HIDE_OPTIONS),
+ IRG("lower", do_lower_highlevel, "lowering", OPT_FLAG_HIDE_OPTIONS | OPT_FLAG_ESSENTIAL),
+ IRG("lower-mux", do_lower_mux, "mux lowering", OPT_FLAG_NONE),
+ IRG("lower-switch", do_lower_switch, "switch lowering", OPT_FLAG_HIDE_OPTIONS | OPT_FLAG_ESSENTIAL),
+ IRG("one-return", normalize_one_return, "normalisation to 1 return", OPT_FLAG_HIDE_OPTIONS | OPT_FLAG_NO_DUMP | OPT_FLAG_NO_VERIFY),
+ IRG("opt-load-store", optimize_load_store, "load store optimization", OPT_FLAG_NONE),
+ IRG("opt-tail-rec", opt_tail_rec_irg, "tail-recursion eliminiation", OPT_FLAG_NONE),
+ IRG("parallelize-mem", opt_parallelize_mem, "parallelize memory", OPT_FLAG_NONE),
+ IRG("place", place_code, "code placement", OPT_FLAG_NONE),
+ IRG("reassociation", optimize_reassociation, "reassociation", OPT_FLAG_NONE),
+ IRG("remove-confirms", remove_confirms, "confirm removal", OPT_FLAG_HIDE_OPTIONS | OPT_FLAG_NO_DUMP | OPT_FLAG_NO_VERIFY),
+ IRG("remove-phi-cycles", remove_phi_cycles, "removal of phi cycles", OPT_FLAG_HIDE_OPTIONS),
+ IRG("scalar-replace", scalar_replacement_opt, "scalar replacement", OPT_FLAG_NONE),
+ IRG("shape-blocks", shape_blocks, "block shaping", OPT_FLAG_NONE),
+ IRG("thread-jumps", opt_jumpthreading, "path-sensitive jumpthreading", OPT_FLAG_NONE),
+ IRG("unroll-loops", do_loop_unrolling, "loop unrolling", OPT_FLAG_NONE),
+ IRG("vrp", do_vrp, "value range propagation", OPT_FLAG_NONE),
+ IRP("inline", do_inline, "inlining", OPT_FLAG_NONE),
+ IRP("lower-const", lower_const_code, "lowering of constant code", OPT_FLAG_HIDE_OPTIONS | OPT_FLAG_NO_DUMP | OPT_FLAG_NO_VERIFY | OPT_FLAG_ESSENTIAL),
+ IRP("lower-dw", do_lower_dw_ops, "lowering of doubleword operations", OPT_FLAG_HIDE_OPTIONS | OPT_FLAG_ESSENTIAL),
+ IRP("opt-func-call", do_optimize_funccalls, "function call optimization", OPT_FLAG_NONE),
+ IRP("opt-proc-clone", do_cloning, "procedure cloning", OPT_FLAG_NONE),
+ IRP("remove-unused", garbage_collect_entities, "removal of unused functions/variables", OPT_FLAG_NO_DUMP | OPT_FLAG_NO_VERIFY),
+ IRP("rts", rts_map, "optimization of known library functions", OPT_FLAG_HIDE_OPTIONS),
+#undef IRP
+#undef IRG
+};
+static const int n_opts = sizeof(opts) / sizeof(opts[0]);
+ir_timer_t *timers[sizeof(opts)/sizeof(opts[0])];
+
+static opt_config_t *get_opt(const char *name)
+{
+ int i;
+ for (i = 0; i < n_opts; ++i) {
+ opt_config_t *config = &opts[i];
+ if (strcmp(config->name, name) == 0)
+ return config;
+ }
+
+ return NULL;
+}
+
+static void set_opt_enabled(const char *name, bool enabled)
+{
+ opt_config_t *config = get_opt(name);
+ config->flags = (config->flags & ~OPT_FLAG_ENABLED)
+ | (enabled ? OPT_FLAG_ENABLED : 0);
+}
+
+static bool get_opt_enabled(const char *name)
+{
+ opt_config_t *config = get_opt(name);
+ return (config->flags & OPT_FLAG_ENABLED) != 0;
+}
/**
- * compute the size of a type (do implicit lowering)
+ * perform an optimisation on a single graph
*
- * @param ty a Firm type
+ * @return true if something changed, false otherwise
*/
-static int compute_type_size(ir_type *ty)
+static bool do_irg_opt(ir_graph *irg, const char *name)
{
- optimization_state_t state;
- unsigned align_all = 1;
- int n, size = 0, set = 0;
- int i, dims, s;
-
- if (get_type_state(ty) == layout_fixed) {
- /* do not layout already layouted types again */
- return 1;
- }
-
- if (is_Method_type(ty) || ty == get_glob_type()) {
- /* no need for size calculation for method types or the global type */
- return 1;
- }
-
- DBG(("compute type size visiting: %s\n", get_type_name(ty)));
-
- switch (get_type_tpop_code(ty)) {
- case tpo_class:
- case tpo_struct:
- for (i = 0, n = get_compound_n_members(ty); i < n; ++i) {
- ir_entity *ent = get_compound_member(ty, i);
- ir_type *ent_ty = get_entity_type(ent);
- unsigned align, misalign;
-
- /* compute member types */
- if (! compute_type_size(ent_ty))
- return 0;
-
- align = get_type_alignment_bytes(ent_ty);
- align_all = align > align_all ? align : align_all;
- misalign = (align ? size % align : 0);
- size += (misalign ? align - misalign : 0);
-
- set_entity_offset(ent, size);
- size += get_type_size_bytes(ent_ty);
-
- DBG((" member %s %s -> (size: %u, align: %u)\n",
- get_type_name(ent_ty), get_entity_name(ent),
- get_type_size_bytes(ent_ty), get_type_alignment_bytes(ent_ty)));
- }
- if (align_all > 0 && size % align_all) {
- DBG(("align of the struct member: %u, type size: %d\n", align_all, size));
- size += align_all - (size % align_all);
- DBG(("correcting type-size to %d\n", size));
- }
- set_type_alignment_bytes(ty, align_all);
- set = 1;
- break;
-
- case tpo_union:
- for (i = 0, n = get_union_n_members(ty); i < n; ++i) {
- ir_entity *ent = get_union_member(ty, i);
-
- if (! compute_type_size(get_entity_type(ent)))
- return 0;
- s = get_type_size_bytes(get_entity_type(ent));
-
- set_entity_offset(ent, 0);
- size = (s > size ? s : size);
- }
- set = 1;
- break;
-
- case tpo_array:
- dims = get_array_n_dimensions(ty);
-
- if (! compute_type_size(get_array_element_type(ty)))
- return 0;
-
- size = 1;
-
- save_optimization_state(&state);
- set_optimize(1);
- set_opt_constant_folding(1);
- set_opt_algebraic_simplification(1);
-
- for (i = 0; i < dims; ++i) {
- ir_node *lower = get_array_lower_bound(ty, i);
- ir_node *upper = get_array_upper_bound(ty, i);
- ir_graph *rem = current_ir_graph;
- tarval *tv_lower, *tv_upper;
- long val_lower, val_upper;
-
- current_ir_graph = get_const_code_irg();
- local_optimize_node(lower);
- local_optimize_node(upper);
- current_ir_graph = rem;
-
- tv_lower = computed_value(lower);
- tv_upper = computed_value(upper);
-
- if (tv_lower == tarval_bad || tv_upper == tarval_bad) {
- /*
- * we cannot calculate the size of this array yet, it
- * even might be unknown until the end, like argv[]
- */
- restore_optimization_state(&state);
- return 0;
- }
-
- val_upper = get_tarval_long(tv_upper);
- val_lower = get_tarval_long(tv_lower);
- size *= val_upper - val_lower;
- }
- restore_optimization_state(&state);
-
- DBG(("array %s -> (elements: %d, element type size: %d)\n",
- get_type_name(ty),
- size, get_type_size_bytes(get_array_element_type(ty))));
- size *= get_type_size_bytes(get_array_element_type(ty));
- set = 1;
- break;
-
- default:
- break;
- }
-
- if (set) {
- set_type_size_bytes(ty, size);
- set_type_state(ty, layout_fixed);
- }
-
- DBG(("size: %d\n", get_type_size_bytes(ty)));
-
- return set;
-} /* compute_type_size */
+ ir_graph *old_irg;
+ opt_config_t *config = get_opt(name);
+ size_t n = config - opts;
+ assert(config != NULL);
+ assert(config->target == OPT_TARGET_IRG);
+ if (! (config->flags & OPT_FLAG_ENABLED))
+ return false;
+
+ old_irg = current_ir_graph;
+ current_ir_graph = irg;
+
+ timer_push(timers[n]);
+ config->u.transform_irg(irg);
+ timer_pop(timers[n]);
+
+ if (firm_dump.all_phases && firm_dump.ir_graph) {
+ dump_ir_graph(irg, name);
+ }
+
+ if (firm_opt.check_all) {
+ timer_push(t_verify);
+ irg_verify(irg, VERIFY_ENFORCE_SSA);
+ timer_pop(t_verify);
+ }
+
+ current_ir_graph = old_irg;
+ return true;
+}
+
+static void do_irp_opt(const char *name)
+{
+ opt_config_t *config = get_opt(name);
+ size_t n = config - opts;
+ assert(config->target == OPT_TARGET_IRP);
+ if (! (config->flags & OPT_FLAG_ENABLED))
+ return;
+
+ timer_push(timers[n]);
+ config->u.transform_irp();
+ timer_pop(timers[n]);
+
+ if (firm_dump.ir_graph && firm_dump.all_phases) {
+ int i;
+ for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
+ ir_graph *irg = get_irp_irg(i);
+ dump_ir_graph(irg, name);
+ }
+ }
+
+ if (firm_opt.check_all) {
+ int i;
+ timer_push(t_verify);
+ for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
+ irg_verify(get_irp_irg(i), VERIFY_ENFORCE_SSA);
+ }
+ timer_pop(t_verify);
+ }
+}
/**
- * layout all non-frame types of the Firm graph
+ * Enable transformations which should be always safe (and cheap) to perform
*/
-static void compute_type_sizes(void)
+static void enable_safe_defaults(void)
{
- int i;
- ir_type *tp;
-
- /* all non-frame other types */
- for (i = get_irp_n_types() - 1; i >= 0; --i) {
- tp = get_irp_type(i);
- compute_type_size(tp);
-
- if (is_Method_type(tp)) {
- tp = get_method_value_res_type(tp);
-
- if (tp) {
- /* we have a value result type for this method, lower */
- compute_type_size(tp);
- }
- }
- }
-} /* compute_type_sizes */
+ set_opt_enabled("remove-unused", true);
+ set_opt_enabled("opt-tail-rec", true);
+ set_opt_enabled("opt-func-call", true);
+ set_opt_enabled("reassociation", true);
+ set_opt_enabled("control-flow", true);
+ set_opt_enabled("local", true);
+ set_opt_enabled("lower-const", true);
+ set_opt_enabled("scalar-replace", true);
+ set_opt_enabled("place", true);
+ set_opt_enabled("confirm", true);
+ set_opt_enabled("opt-load-store", true);
+ set_opt_enabled("lower", true);
+ set_opt_enabled("deconv", true);
+ set_opt_enabled("remove-confirms", true);
+ set_opt_enabled("ivopts", true);
+ set_opt_enabled("dead", true);
+ set_opt_enabled("lower-switch", true);
+ set_opt_enabled("remove-phi-cycles", true);
+ set_opt_enabled("frame", true);
+ set_opt_enabled("combo", true);
+ set_opt_enabled("invert-loops", true);
+}
/**
- * layout all frame-types of the Firm graph
+ * run all the Firm optimizations
+ *
+ * @param input_filename the name of the (main) source file
*/
-static void compute_frame_type_sizes(void)
+static void do_firm_optimizations(const char *input_filename)
{
- int i;
- ir_graph *irg;
-
- /* all frame types */
- for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
- irg = get_irp_irg(i);
- /* do not optimize away variables in debug mode */
- if (firm_opt.debug_mode == DBG_MODE_NONE)
- opt_frame_irg(irg);
- compute_type_size(get_irg_frame_type(irg));
- }
-} /* compute_frame_type_sizes */
+ int i;
+ unsigned aa_opt;
+
+ set_opt_alias_analysis(firm_opt.alias_analysis);
+
+ aa_opt = aa_opt_no_opt;
+ if (firm_opt.strict_alias)
+ aa_opt |= aa_opt_type_based | aa_opt_byte_type_may_alias;
+ if (firm_opt.no_alias)
+ aa_opt = aa_opt_no_alias;
+
+ set_irp_memory_disambiguator_options(aa_opt);
+
+ /* parameter passing code should set them directly sometime... */
+ set_opt_enabled("rts", !firm_opt.freestanding);
+ set_opt_enabled("gcse", firm_opt.gcse);
+ set_opt_enabled("place", !firm_opt.gcse);
+ set_opt_enabled("confirm", firm_opt.confirm);
+ set_opt_enabled("remove-confirms", firm_opt.confirm);
+
+ /* osr supersedes remove_phi_cycles */
+ if (get_opt_enabled("ivopts"))
+ set_opt_enabled("remove-phi-cycles", false);
+
+ timer_start(t_all_opt);
+
+ do_irp_opt("rts");
+
+ /* first step: kill dead code */
+ for (i = 0; i < get_irp_n_irgs(); i++) {
+ ir_graph *irg = get_irp_irg(i);
+ do_irg_opt(irg, "combo");
+ do_irg_opt(irg, "local");
+ do_irg_opt(irg, "control-flow");
+ }
+
+ do_irp_opt("remove-unused");
+ for (i = 0; i < get_irp_n_irgs(); ++i) {
+ ir_graph *irg = get_irp_irg(i);
+ do_irg_opt(irg, "opt-tail-rec");
+ }
+ do_irp_opt("opt-func-call");
+ do_irp_opt("lower-const");
+
+ for (i = 0; i < get_irp_n_irgs(); i++) {
+ ir_graph *irg = get_irp_irg(i);
+
+ do_irg_opt(irg, "scalar-replace");
+ do_irg_opt(irg, "invert-loops");
+ do_irg_opt(irg, "unroll-loops");
+ do_irg_opt(irg, "local");
+ do_irg_opt(irg, "reassociation");
+ do_irg_opt(irg, "local");
+ do_irg_opt(irg, "gcse");
+
+ if (firm_opt.confirm) {
+ /* Confirm construction currently can only handle blocks with only
+ one control flow predecessor. Calling optimize_cf here removes
+ Bad predecessors and help the optimization of switch constructs.
+ */
+ do_irg_opt(irg, "control-flow");
+ do_irg_opt(irg, "confirm");
+ do_irg_opt(irg, "vrp");
+ do_irg_opt(irg, "local");
+ }
+
+ do_irg_opt(irg, "control-flow");
+ do_irg_opt(irg, "opt-load-store");
+ do_irg_opt(irg, "fp-vrp");
+ do_irg_opt(irg, "lower");
+ do_irg_opt(irg, "deconv");
+ do_irg_opt(irg, "thread-jumps");
+ do_irg_opt(irg, "remove-confirms");
+ do_irg_opt(irg, "gvn-pre");
+ do_irg_opt(irg, "place");
+ do_irg_opt(irg, "control-flow");
+
+ if (do_irg_opt(irg, "if-conversion")) {
+ do_irg_opt(irg, "local");
+ do_irg_opt(irg, "control-flow");
+ }
+ /* this doesn't make too much sense but tests the mux destruction... */
+ do_irg_opt(irg, "lower-mux");
+
+ do_irg_opt(irg, "bool");
+ do_irg_opt(irg, "shape-blocks");
+ do_irg_opt(irg, "lower-switch");
+ do_irg_opt(irg, "ivopts");
+ do_irg_opt(irg, "local");
+ do_irg_opt(irg, "dead");
+ do_irg_opt(irg, "frame");
+ }
+
+ do_irp_opt("inline");
+ do_irp_opt("opt-proc-clone");
+
+ for (i = 0; i < get_irp_n_irgs(); i++) {
+ ir_graph *irg = get_irp_irg(i);
+ do_irg_opt(irg, "local");
+ do_irg_opt(irg, "control-flow");
+ do_irg_opt(irg, "thread-jumps");
+ do_irg_opt(irg, "local");
+ do_irg_opt(irg, "control-flow");
+
+ if( do_irg_opt(irg, "vrp") ) { // if vrp is enabled
+ do_irg_opt(irg, "local");
+ do_irg_opt(irg, "vrp");
+ do_irg_opt(irg, "local");
+ do_irg_opt(irg, "vrp");
+ }
+ }
+
+ if (firm_dump.ir_graph) {
+ /* recompute backedges for nicer dumps */
+ for (i = 0; i < get_irp_n_irgs(); i++)
+ construct_cf_backedges(get_irp_irg(i));
+ }
+
+ dump_all("opt");
+
+ if (firm_dump.statistic & STAT_AFTER_OPT)
+ stat_dump_snapshot(input_filename, "opt");
+
+ timer_stop(t_all_opt);
+}
/**
* do Firm lowering
*/
static void do_firm_lowering(const char *input_filename)
{
- int i;
-
- /* do class lowering and vtbl creation */
-// lower_classes_to_struct("vtbl", "m");
-
-#if 0
- timer_push(TV_LOWER);
- lower_highlevel();
- timer_pop();
-#endif
-
- if (firm_opt.lower_ll) {
- lwrdw_param_t init = {
- 1,
- 1,
- mode_Ls, mode_Lu,
- mode_Is, mode_Iu,
- def_create_intrinsic_fkt,
- NULL
- };
-
-
- if (arch_create_intrinsic) {
- init.create_intrinsic = arch_create_intrinsic;
- init.ctx = create_intrinsic_ctx;
- }
- timer_push(TV_DW_LOWER);
- lower_dw_ops(&init);
- timer_pop();
- }
-
- if (firm_dump.statistic & STAT_AFTER_LOWER)
- stat_dump_snapshot(input_filename, "low");
-
- /* verify lowered graphs */
- timer_push(TV_VERIFY);
- for (i = get_irp_n_irgs() - 1; i >= 0; --i)
- irg_verify(get_irp_irg(i), VRFY_ENFORCE_SSA);
- timer_pop();
-
- DUMP_ALL(firm_dump.ir_graph, "-low");
-
- if (firm_opt.enabled) {
- timer_start(TV_ALL_OPT);
-
- /* run reassociation first on all graphs BEFORE the architecture dependent optimizations
- are enabled */
- for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
- current_ir_graph = get_irp_irg(i);
-
- timer_push(TV_REASSOCIATION);
- optimize_reassociation(current_ir_graph);
- timer_pop();
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, current_ir_graph, "reassoc");
- CHECK_ONE(firm_opt.check_all, current_ir_graph);
- }
-
- /* enable architecture dependent optimizations */
- arch_dep_set_opts((arch_dep_opts_t)
- ((firm_opt.muls ? arch_dep_mul_to_shift : arch_dep_none) |
- (firm_opt.divs ? arch_dep_div_by_const : arch_dep_none) |
- (firm_opt.mods ? arch_dep_mod_by_const : arch_dep_none) ));
-
- for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
- current_ir_graph = get_irp_irg(i);
-
- if (firm_opt.gcse)
- set_opt_global_cse(1);
-
- timer_push(TV_LOCAL_OPT);
- optimize_graph_df(current_ir_graph);
- timer_pop();
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, current_ir_graph, "lopt");
- if (! firm_opt.gcse)
- CHECK_ONE(firm_opt.check_all, current_ir_graph);
-
- if (firm_opt.gcse) {
- timer_push(TV_CODE_PLACE);
- place_code(current_ir_graph);
- set_opt_global_cse(0);
- timer_pop();
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, current_ir_graph, "place");
- CHECK_ONE(firm_opt.check_all, current_ir_graph);
- }
-
- timer_push(TV_LOAD_STORE);
- optimize_load_store(current_ir_graph);
- timer_pop();
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, current_ir_graph, "ldst");
- CHECK_ONE(firm_opt.check_all, current_ir_graph);
-
-
- timer_push(TV_LOCAL_OPT);
- optimize_graph_df(current_ir_graph);
- timer_pop();
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, current_ir_graph, "lopt");
-
- timer_push(TV_CF_OPT);
- optimize_cf(current_ir_graph);
- timer_pop();
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, current_ir_graph, "cf");
- CHECK_ONE(firm_opt.check_all, current_ir_graph);
-
- if (firm_opt.if_conversion) {
- timer_push(TV_IF_CONV);
- opt_if_conv(current_ir_graph, if_conv_info);
- timer_pop();
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, current_ir_graph, "if");
- CHECK_ONE(firm_opt.check_all, current_ir_graph);
-
- timer_push(TV_LOCAL_OPT);
- optimize_graph_df(current_ir_graph);
- timer_pop();
- timer_push(TV_CF_OPT);
- optimize_cf(current_ir_graph);
- timer_pop();
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, current_ir_graph, "after_if");
- CHECK_ONE(firm_opt.check_all, current_ir_graph);
- }
- }
- timer_stop(TV_ALL_OPT);
-
- DUMP_ALL(firm_dump.ir_graph, "-low-opt");
- }
-
- if (firm_opt.cc_opt)
- mark_private_methods();
-
- /* set the phase to low */
- for (i = get_irp_n_irgs() - 1; i >= 0; --i)
- set_irg_phase_low(get_irp_irg(i));
-
- /* all graphs are lowered, set the irp phase to low */
- set_irp_phase_state(phase_low);
-
- if (firm_dump.statistic & STAT_FINAL) {
- stat_dump_snapshot(input_filename, "final");
- }
-} /* do_firm_lowering */
+ int i;
+
+ do_irp_opt("lower-dw");
+
+ if (firm_dump.statistic & STAT_AFTER_LOWER)
+ stat_dump_snapshot(input_filename, "low");
+
+ dump_all("low");
+
+ if (firm_opt.enabled) {
+ timer_start(t_all_opt);
+
+ /* run reassociation first on all graphs BEFORE the architecture
+ dependent optimizations are enabled */
+ for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
+ ir_graph *irg = get_irp_irg(i);
+ do_irg_opt(irg, "reassociation");
+ }
+
+ /* enable architecture dependent optimizations */
+ arch_dep_set_opts((arch_dep_opts_t)
+ ((firm_opt.muls ? arch_dep_mul_to_shift : arch_dep_none) |
+ (firm_opt.divs ? arch_dep_div_by_const : arch_dep_none) |
+ (firm_opt.mods ? arch_dep_mod_by_const : arch_dep_none) ));
+
+ for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
+ ir_graph *irg = get_irp_irg(i);
+
+ do_irg_opt(irg, "local");
+ do_irg_opt(irg, "gcse");
+ do_irg_opt(irg, "opt-load-store");
+ do_irg_opt(irg, "local");
+ do_irg_opt(irg, "control-flow");
+
+ if (do_irg_opt(irg, "vrp")) {
+ do_irg_opt(irg, "local");
+ do_irg_opt(irg, "control-flow");
+ do_irg_opt(irg, "vrp");
+ do_irg_opt(irg, "local");
+ do_irg_opt(irg, "control-flow");
+ }
+
+ if (do_irg_opt(irg, "if-conversion")) {
+ do_irg_opt(irg, "local");
+ do_irg_opt(irg, "control-flow");
+ }
+
+ do_irg_opt(irg, "parallelize-mem");
+ }
+ timer_stop(t_all_opt);
+
+ do_irp_opt("remove-unused");
+
+ dump_all("low-opt");
+ }
+
+ if (firm_opt.cc_opt)
+ mark_private_methods();
+
+ /* set the phase to low */
+ for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
+ ir_graph *irg = get_irp_irg(i);
+ set_irg_phase_state(irg, phase_low);
+ }
+ set_irp_phase_state(phase_low);
+
+ if (firm_dump.statistic & STAT_FINAL) {
+ stat_dump_snapshot(input_filename, "final");
+ }
+}
/**
* Initialize for the Firm-generating back end.
*/
void gen_firm_init(void)
{
- firm_parameter_t params;
- unsigned pattern = 0;
-
- /* the automatic state is only set if inlining is enabled */
- firm_opt.auto_inline = firm_opt.do_inline;
-
- if (firm_dump.stat_pattern)
- pattern |= FIRMSTAT_PATTERN_ENABLED;
-
- if (firm_dump.stat_dag)
- pattern |= FIRMSTAT_COUNT_DAG;
-
- memset(¶ms, 0, sizeof(params));
- params.size = sizeof(params);
- params.enable_statistics = firm_dump.statistic == STAT_NONE ? 0 :
- FIRMSTAT_ENABLED | FIRMSTAT_COUNT_STRONG_OP | FIRMSTAT_COUNT_CONSTS | pattern;
- params.initialize_local_func = uninitialized_local_var;
- params.cc_mask = 0; /* no regparam, cdecl */
- params.builtin_dbg = NULL;
-
- #ifdef FIRM_EXT_GRS
- /* Activate Graph rewriting if SIMD optimization is turned on */
- /* This has to be done before init_firm() is called! */
- if (firm_ext_grs.simd_opt)
- ext_grs_activate();
-#endif
-
- init_firm(¶ms);
-
- if (firm_be_opt.selection == BE_FIRM_BE) {
- const backend_params *be_params = be_get_backend_param();
-
- firm_opt.lower_ll = (a_byte) be_params->do_dw_lowering;
- params.arch_op_settings = be_params->arch_op_settings;
-
- arch_create_intrinsic = be_params->arch_create_intrinsic_fkt;
- create_intrinsic_ctx = be_params->create_intrinsic_ctx;
-
- ad_param = be_params->dep_param;
- if_conv_info = be_params->if_conv_info;
-
- if (be_params->has_imm_fp_mode)
- firm_imm_fp_mode = be_params->imm_fp_mode;
- }
- /* OS option must be set to the backend */
- switch (firm_opt.os_support) {
- case OS_SUPPORT_MINGW:
- firm_be_option("ia32-gasmode=mingw");
- break;
- case OS_SUPPORT_MACHO:
- firm_be_option("ia32-gasmode=macho");
- break;
- case OS_SUPPORT_LINUX:
- default:
- firm_be_option("ia32-gasmode=linux");
- break;
- }
-
- dbg_init(NULL, NULL, dbg_snprint);
- edges_init_dbg(firm_opt.vrfy_edges);
- //cbackend_set_debug_retrieve(dbg_retrieve);
-
- set_opt_precise_exc_context(firm_opt.precise_exc);
- set_opt_fragile_ops(firm_opt.fragile_ops);
-
- /* Sel node cannot produce NULL pointers */
- set_opt_sel_based_null_check_elim(1);
-
- /* dynamic dispatch works currently only if whole world scenarios */
- set_opt_dyn_meth_dispatch(0);
-
- arch_dep_init(arch_factory);
-
- /* do not run architecture dependent optimizations in building phase */
- arch_dep_set_opts(arch_dep_none);
-
- do_node_verification((firm_verification_t) firm_opt.vrfy);
- if (firm_dump.filter)
- only_dump_method_with_name(new_id_from_str(firm_dump.filter));
-
- if (firm_opt.enabled) {
- set_optimize(1);
- set_opt_constant_folding(firm_opt.const_folding);
- set_opt_algebraic_simplification(firm_opt.const_folding);
- set_opt_cse(firm_opt.cse);
- set_opt_global_cse(0);
- set_opt_unreachable_code(1);
- set_opt_control_flow(firm_opt.control_flow);
- set_opt_control_flow_weak_simplification(1);
- set_opt_control_flow_strong_simplification(1);
- } else {
- set_optimize(0);
- }
-
- /* do not dump entity ld names */
- dump_ld_names(0);
-
-#if 0
- /* init the ycomp debugger extension */
- if (firm_opt.ycomp_dbg)
- firm_init_ycomp_debugger(firm_opt.ycomp_host, firm_opt.ycomp_port);
-#endif
-} /* gen_firm_init */
+ unsigned pattern = 0;
+ int i;
+
+ for (i = 0; i < n_opts; ++i) {
+ timers[i] = ir_timer_new();
+ timer_register(timers[i], opts[i].description);
+ }
+ t_verify = ir_timer_new();
+ timer_register(t_verify, "Firm: verify pass");
+ t_vcg_dump = ir_timer_new();
+ timer_register(t_vcg_dump, "Firm: vcg dumping");
+ t_all_opt = ir_timer_new();
+ timer_register(t_all_opt, "Firm: all optimizations");
+
+ if (firm_dump.stat_pattern)
+ pattern |= FIRMSTAT_PATTERN_ENABLED;
+
+ if (firm_dump.stat_dag)
+ pattern |= FIRMSTAT_COUNT_DAG;
+
+ ir_init(NULL);
+ firm_init_stat(firm_dump.statistic == STAT_NONE ?
+ 0 : FIRMSTAT_ENABLED | FIRMSTAT_COUNT_STRONG_OP
+ | FIRMSTAT_COUNT_CONSTS | pattern);
+
+ if (firm_be_opt.selection == BE_FIRM_BE) {
+ const backend_params *be_params = be_get_backend_param();
+
+ if (be_params->do_dw_lowering)
+ set_opt_enabled("lower-dw", true);
+
+ arch_create_intrinsic = be_params->arch_create_intrinsic_fkt;
+ create_intrinsic_ctx = be_params->create_intrinsic_ctx;
+
+ ad_param = be_params->dep_param;
+ if_conv_info = be_params->if_conv_info;
+ }
+
+ edges_init_dbg(firm_opt.verify_edges);
+
+ /* Sel node cannot produce NULL pointers */
+ set_opt_sel_based_null_check_elim(1);
+
+ /* dynamic dispatch works currently only if whole world scenarios */
+ set_opt_dyn_meth_dispatch(0);
+
+ arch_dep_init(arch_factory);
+
+ /* do not run architecture dependent optimizations in building phase */
+ arch_dep_set_opts(arch_dep_none);
+
+ do_node_verification((firm_verification_t) firm_opt.verify);
+ if (firm_dump.filter != NULL)
+ ir_set_dump_filter(firm_dump.filter);
+ if (firm_dump.extbb)
+ ir_add_dump_flags(ir_dump_flag_group_extbb);
+ if (firm_dump.no_blocks)
+ ir_remove_dump_flags(ir_dump_flag_blocks_as_subgraphs);
+
+ if (firm_opt.enabled) {
+ set_optimize(1);
+ set_opt_constant_folding(firm_opt.const_folding);
+ set_opt_algebraic_simplification(firm_opt.const_folding);
+ set_opt_cse(firm_opt.cse);
+ set_opt_global_cse(0);
+ set_opt_unreachable_code(1);
+ set_opt_control_flow(firm_opt.control_flow);
+ set_opt_control_flow_weak_simplification(1);
+ set_opt_control_flow_strong_simplification(1);
+ } else {
+ set_optimize(0);
+ }
+}
/**
* Called, after the Firm generation is completed,
* @param out a file handle for the output, may be NULL
* @param input_filename the name of the (main) source file
* @param c_mode non-zero if "C" was compiled
- * @param firm_const_exists non-zero, if the const attribute was used on functions
+ * @param new_firm_const_exists non-zero, if the const attribute was used on functions
*/
-void gen_firm_finish(FILE *out, const char *input_filename, int c_mode, int firm_const_exists)
+void gen_firm_finish(FILE *out, const char *input_filename,
+ int new_firm_const_exists)
{
- int i;
-
- /* the general for dumping option must be set, or the others will not work */
- firm_dump.ir_graph
- = (a_byte) (firm_dump.ir_graph | firm_dump.all_phases | firm_dump.extbb);
-
- dump_keepalive_edges(1);
- dump_consts_local(1);
- dump_dominator_information(1);
- dump_loop_information(0);
-
- if (!firm_dump.edge_labels)
- turn_off_edge_labels();
-
- if (firm_dump.all_types) {
- dump_all_types("");
- if (! c_mode) {
- dump_class_hierarchy(0, "");
- dump_class_hierarchy(1, "-with-entities");
- }
- }
-
- /* finalize all graphs */
- for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
- ir_graph *irg = get_irp_irg(i);
-
- irg_finalize_cons(irg);
- DUMP_ONE(firm_dump.ir_graph, irg, "");
-
- /* verify the graph */
- timer_push(TV_VERIFY);
- irg_verify(irg, VRFY_ENFORCE_SSA);
- timer_pop();
- }
-
- timer_push(TV_VERIFY);
- tr_vrfy();
- timer_pop();
-
- /* all graphs are finalized, set the irp phase to high */
- set_irp_phase_state(phase_high);
-
- /* BEWARE: kill unreachable code before doing compound lowering */
- for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
- ir_graph *irg = get_irp_irg(i);
- optimize_cf(irg);
- }
-
- /* lower all compound call return values */
- lower_compound_params();
-
- /* computes the sizes of all types that are still not computed */
- compute_type_sizes();
-
- /* lower copyb nodes */
- for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
- ir_graph *irg = get_irp_irg(i);
- lower_CopyB(irg, 128, 4);
- }
-
- if (firm_dump.statistic & STAT_BEFORE_OPT) {
- stat_dump_snapshot(input_filename, "noopt");
- }
-
- if (firm_opt.enabled) {
- do_firm_optimizations(input_filename, firm_const_exists);
- do_firm_optimizations(input_filename, firm_const_exists);
- do_firm_optimizations(input_filename, firm_const_exists);
- }
-
- if (firm_dump.gen_firm_asm) {
- timer_push(TV_FIRM_ASM);
- gen_Firm_assembler(input_filename);
- timer_pop();
- return;
- }
-
- if (firm_opt.lower)
- do_firm_lowering(input_filename);
-
- /* computes the sizes of all frame types */
- compute_frame_type_sizes();
-
- /* set the phase to low */
- for (i = get_irp_n_irgs() - 1; i >= 0; --i)
- set_irg_phase_low(get_irp_irg(i));
-
-
-#ifdef FIRM_EXT_GRS
- /** SIMD Optimization Extensions **/
-
- /* Pattern creation step. No code has to be generated, so
- exit after pattern creation */
- if (firm_ext_grs.create_pattern) {
- ext_grs_create_pattern();
- exit(0);
- }
-
- /* SIMD optimization step. Uses graph patterns to find
- rich instructions and rewrite */
- if (firm_ext_grs.simd_opt)
- ext_grs_simd_opt();
+ int i;
+
+#if 0
+ if (firm_opt.enable_statev) {
+ char buf[1024];
+ snprintf(buf, sizeof(buf), "%s.ev", input_filename);
+ ir_stat_ev_begin(input_filename, firm_opt.statev_filter);
+ ir_stat_ev_compilation_unit(input_filename);
+ }
#endif
- if (firm_dump.statistic & STAT_FINAL_IR)
- stat_dump_snapshot(input_filename, "final-ir");
+ firm_const_exists = new_firm_const_exists;
- /* run the code generator */
- if (firm_be_opt.selection != BE_NONE)
- do_codegen(out, input_filename);
+ /* the general for dumping option must be set, or the others will not work*/
+ firm_dump.ir_graph
+ = (a_byte) (firm_dump.ir_graph | firm_dump.all_phases | firm_dump.extbb);
- if (firm_dump.statistic & STAT_FINAL)
- stat_dump_snapshot(input_filename, "final");
+ ir_add_dump_flags(ir_dump_flag_keepalive_edges
+ | ir_dump_flag_consts_local | ir_dump_flag_dominance);
+ ir_remove_dump_flags(ir_dump_flag_loops | ir_dump_flag_ld_names);
-#if 0
- if (firm_opt.ycomp_dbg)
- firm_finish_ycomp_debugger();
-#endif
-} /* gen_firm_finish */
+ /* FIXME: cloning might ADD new graphs. */
+ irg_dump_no = calloc(get_irp_last_idx(), sizeof(*irg_dump_no));
+
+ if (firm_dump.all_types) {
+ dump_ir_prog_ext(dump_typegraph, "types.vcg");
+ }
+
+ /* finalize all graphs */
+ for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
+ ir_graph *irg = get_irp_irg(i);
+ irg_finalize_cons(irg);
+ }
+ dump_all("");
+
+ timer_push(t_verify);
+ tr_verify();
+ timer_pop(t_verify);
+
+ /* all graphs are finalized, set the irp phase to high */
+ set_irp_phase_state(phase_high);
+
+ /* BEWARE: kill unreachable code before doing compound lowering */
+ for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
+ ir_graph *irg = get_irp_irg(i);
+ do_irg_opt(irg, "control-flow");
+ }
+
+ /* lower all compound call return values */
+ lower_compound_params();
+
+ /* lower copyb nodes */
+ for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
+ ir_graph *irg = get_irp_irg(i);
+ lower_CopyB(irg, 128, 4);
+ }
+
+ if (firm_dump.statistic & STAT_BEFORE_OPT) {
+ stat_dump_snapshot(input_filename, "noopt");
+ }
+
+ if (firm_opt.enabled)
+ do_firm_optimizations(input_filename);
+
+ if (firm_opt.lower)
+ do_firm_lowering(input_filename);
+
+ /* set the phase to low */
+ for (i = get_irp_n_irgs() - 1; i >= 0; --i)
+ set_irg_phase_low(get_irp_irg(i));
+
+ if (firm_dump.statistic & STAT_FINAL_IR)
+ stat_dump_snapshot(input_filename, "final-ir");
+
+ /* run the code generator */
+ if (firm_be_opt.selection != BE_NONE)
+ do_codegen(out, input_filename);
+
+ if (firm_dump.statistic & STAT_FINAL)
+ stat_dump_snapshot(input_filename, "final");
+}
+
+void disable_all_opts(void)
+{
+ for (int i = 0; i < n_opts; ++i) {
+ opt_config_t *config = &opts[i];
+ if (config->flags & OPT_FLAG_ESSENTIAL) {
+ config->flags |= OPT_FLAG_ENABLED;
+ } else {
+ config->flags &= ~OPT_FLAG_ENABLED;
+ }
+ }
+}
+
+int firm_opt_option(const char *opt)
+{
+ bool enable = true;
+ if (strncmp(opt, "no-", 3) == 0) {
+ enable = false;
+ opt = opt + 3;
+ }
+
+ opt_config_t *config = get_opt(opt);
+ if (config == NULL || (config->flags & OPT_FLAG_HIDE_OPTIONS))
+ return 0;
+
+ config->flags &= ~OPT_FLAG_ENABLED;
+ config->flags |= enable ? OPT_FLAG_ENABLED : 0;
+ return 1;
+}
+
+void firm_opt_option_help(void)
+{
+ int i;
+
+ for (i = 0; i < n_opts; ++i) {
+ char buf[1024];
+ char buf2[1024];
+
+ const opt_config_t *config = &opts[i];
+ if (config->flags & OPT_FLAG_HIDE_OPTIONS)
+ continue;
+
+ snprintf(buf2, sizeof(buf2), "firm: enable %s", config->description);
+ print_option_help(config->name, buf2);
+ snprintf(buf, sizeof(buf), "no-%s", config->name);
+ snprintf(buf2, sizeof(buf2), "firm: disable %s", config->description);
+ print_option_help(buf, buf2);
+ }
+}
/**
* Do very early initializations
*/
-void firm_early_init(void) {
- /* arg: need this here for command line options */
- be_opt_register();
- firm_init_options(NULL, 0, NULL);
-} /* firm_early_init */
+void firm_early_init(void)
+{
+ /* arg: need this here for command line options */
+ be_opt_register();
+
+ enable_safe_defaults();
+}
projects / cparser / blobdiff