/**
- *
- * @file firm_opt.c -- Firm-generating back end optimizations.
- *
- * (C) 2005-2009 Michael Beck beck@ipd.info.uni-karlsruhe.de
- *
- * $Id$
+ * (C) 2005-2010
+ * @file
+ * @author Michael Beck, Matthias Braun
+ * @brief Firm-generating back end optimizations.
*/
-
#include <config.h>
#include <stdbool.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"
+#include "adt/strutil.h"
+#include "adt/util.h"
+
+/* optimization settings */
+struct a_firm_opt {
+ bool const_folding; /**< enable constant folding */
+ bool cse; /**< enable common-subexpression elimination */
+ bool confirm; /**< enable Confirm optimization */
+ bool muls; /**< enable architecture dependent mul optimization */
+ bool divs; /**< enable architecture dependent div optimization */
+ bool mods; /**< enable architecture dependent mod optimization */
+ bool alias_analysis; /**< enable Alias Analysis */
+ bool strict_alias; /**< enable strict Alias Analysis (using type based AA) */
+ bool no_alias; /**< no aliasing possible. */
+ bool verify; /**< Firm verifier setting */
+ bool check_all; /**< enable checking all Firm phases */
+ int clone_threshold; /**< The threshold value for procedure cloning. */
+ unsigned inline_maxsize; /**< Maximum function size for inlining. */
+ unsigned inline_threshold;/**< Inlining benefice threshold. */
+};
-#if defined(_DEBUG) || defined(FIRM_DEBUG)
-#define DBG(x) dbg_printf x
-#else
-#define DBG(x) ((void)0)
-#endif /* _DEBUG || FIRM_DEBUG */
-
-
-/** 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)
-
-
-/* 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;
-
-/* entities of runtime functions */
-ir_entity_ptr rts_entities[rts_max];
+/** statistic options */
+typedef enum a_firmstat_selection_tag {
+ STAT_NONE = 0x00000000,
+ STAT_BEFORE_OPT = 0x00000001,
+ STAT_AFTER_OPT = 0x00000002,
+ STAT_AFTER_LOWER = 0x00000004,
+ STAT_FINAL_IR = 0x00000008,
+ STAT_FINAL = 0x00000010,
+} a_firmstat_selection;
+
+/* dumping options */
+struct a_firm_dump {
+ bool debug_print; /**< enable debug print */
+ bool all_types; /**< dump the All_types graph */
+ bool ir_graph; /**< dump all graphs */
+ bool all_phases; /**< dump the IR graph after all phases */
+ bool statistic; /**< Firm statistic setting */
+ bool stat_pattern; /**< enable Firm statistic pattern */
+ bool stat_dag; /**< enable Firm DAG statistic */
+};
-/**
- * factory for setting architecture dependent parameters
- */
-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;
-}
+struct a_firm_be_opt {
+ bool selection;
+ bool node_stat;
+};
-/**
- * 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_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 */
- if (n_map > 0)
- lower_intrinsics(rec, n_map, /* part_block_used=*/0);
-} /* rts_map */
+/* optimization settings */
+static struct a_firm_opt firm_opt = {
+ .const_folding = true,
+ .cse = true,
+ .confirm = true,
+ .muls = true,
+ .divs = true,
+ .mods = true,
+ .alias_analysis = true,
+ .strict_alias = false,
+ .no_alias = false,
+ .verify = FIRM_VERIFICATION_ON,
+ .check_all = true,
+ .clone_threshold = DEFAULT_CLONE_THRESHOLD,
+ .inline_maxsize = 750,
+ .inline_threshold = 0,
+};
-static int *irg_dump_no;
+/* dumping options */
+static struct a_firm_dump firm_dump = {
+ .debug_print = false,
+ .all_types = false,
+ .ir_graph = false,
+ .all_phases = false,
+ .statistic = STAT_NONE,
+ .stat_pattern = 0,
+ .stat_dag = 0,
+};
-static void dump_graph_count(ir_graph *const irg, const char *const suffix)
-{
- char name[64];
- snprintf(name, sizeof(name), "-%02d_%s", irg_dump_no[get_irg_idx(irg)]++, suffix);
- DUMP_ONE(1, irg, name);
-}
+#define X(a) a, sizeof(a)-1
+
+/** Parameter description structure */
+static const struct params {
+ const char *option; /**< name of the option */
+ size_t opt_len; /**< length of the option string */
+ bool *flag; /**< address of variable to set/reset */
+ bool set; /**< iff true, variable will be set, else reset */
+ const char *description; /**< description of this option */
+} firm_options[] = {
+ /* firm optimization options */
+ { X("no-opt"), NULL, 0, "disable all FIRM optimizations" },
+ { X("cse"), &firm_opt.cse, 1, "enable common subexpression elimination" },
+ { X("no-cse"), &firm_opt.cse, 0, "disable common subexpression elimination" },
+ { X("const-fold"), &firm_opt.const_folding, 1, "enable constant folding" },
+ { X("no-const-fold"), &firm_opt.const_folding, 0, "disable constant folding" },
+ { X("inline-max-size=<size>"), NULL, 0, "set maximum size for function inlining" },
+ { X("inline-threshold=<size>"),NULL, 0, "set benefice threshold for function inlining" },
+ { X("confirm"), &firm_opt.confirm, 1, "enable Confirm optimization" },
+ { X("no-confirm"), &firm_opt.confirm, 0, "disable Confirm optimization" },
+ { X("opt-mul"), &firm_opt.muls, 0, "enable multiplication optimization" },
+ { X("no-opt-mul"), &firm_opt.muls, 0, "disable multiplication optimization" },
+ { X("opt-div"), &firm_opt.divs, 0, "enable division optimization" },
+ { X("no-opt-div"), &firm_opt.divs, 0, "disable division optimization" },
+ { X("opt-mod"), &firm_opt.mods, 0, "enable remainder optimization" },
+ { X("no-opt-mod"), &firm_opt.mods, 0, "disable remainder optimization" },
+ { X("opt-alias"), &firm_opt.alias_analysis, 1, "enable alias analysis" },
+ { X("no-opt-alias"), &firm_opt.alias_analysis, 0, "disable alias analysis" },
+ { X("alias"), &firm_opt.no_alias, 0, "aliasing occurs" },
+ { X("no-alias"), &firm_opt.no_alias, 1, "no aliasing occurs" },
+ { X("strict-aliasing"), &firm_opt.strict_alias, 1, "strict alias rules" },
+ { X("no-strict-aliasing"), &firm_opt.strict_alias, 0, "strict alias rules" },
+ { X("clone-threshold=<value>"),NULL, 0, "set clone threshold to <value>" },
+
+ /* other firm regarding options */
+ { X("verify-off"), &firm_opt.verify, FIRM_VERIFICATION_OFF, "disable node verification" },
+ { X("verify-on"), &firm_opt.verify, FIRM_VERIFICATION_ON, "enable node verification" },
+ { X("verify-report"), &firm_opt.verify, FIRM_VERIFICATION_REPORT, "node verification, report only" },
+ { X("check-all"), &firm_opt.check_all, 1, "enable checking all Firm phases" },
+ { X("no-check-all"), &firm_opt.check_all, 0, "disable checking all Firm phases" },
+
+ /* dumping */
+ { X("dump-ir"), &firm_dump.ir_graph, 1, "dump IR graph" },
+ { X("dump-all-types"), &firm_dump.all_types, 1, "dump graph of all types" },
+ { X("dump-all-phases"), &firm_dump.all_phases, 1, "dump graphs for all optimization phases" },
+ { X("dump-filter=<string>"), NULL, 0, "set dumper filter" },
+
+ /* misc */
+ { X("stat-before-opt"), &firm_dump.statistic, STAT_BEFORE_OPT, "Firm statistic output before optimizations" },
+ { X("stat-after-opt"), &firm_dump.statistic, STAT_AFTER_OPT, "Firm statistic output after optimizations" },
+ { X("stat-after-lower"), &firm_dump.statistic, STAT_AFTER_LOWER, "Firm statistic output after lowering" },
+ { X("stat-final-ir"), &firm_dump.statistic, STAT_FINAL_IR, "Firm statistic after final optimization" },
+ { X("stat-final"), &firm_dump.statistic, STAT_FINAL, "Firm statistic after code generation" },
+ { X("stat-pattern"), &firm_dump.stat_pattern, 1, "Firm statistic calculates most used pattern" },
+ { X("stat-dag"), &firm_dump.stat_dag, 1, "Firm calculates DAG statistics" },
+};
-#if 0
-static void dump_graph_cfg_count(ir_graph *const irg, const char *const suffix)
-{
- char name[64];
- snprintf(name, sizeof(name), "-%02d_%s", irg_dump_no[get_irg_idx(irg)]++, suffix);
- DUMP_ONE_CFG(1, irg, name);
-}
-#endif
+#undef X
-static void dump_all_count(const char *const suffix)
-{
- const int n_irgs = get_irp_n_irgs();
- int i;
+static ir_timer_t *t_vcg_dump;
+static ir_timer_t *t_verify;
+static ir_timer_t *t_all_opt;
+static ir_timer_t *t_backend;
+static bool do_irg_opt(ir_graph *irg, const char *name);
- for (i = 0; i < n_irgs; ++i)
- dump_graph_count(get_irp_irg(i), suffix);
-}
+/** dump all the graphs depending on cond */
-#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 remove_unused_functions(void)
+static void dump_all(const char *suffix)
{
- 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);
+ if (!firm_dump.ir_graph)
+ return;
- /* Remove methods that are never called. */
- gc_irgs(arr_len, keep_methods);
- free(keep_methods);
+ timer_push(t_vcg_dump);
+ dump_all_ir_graphs(suffix);
+ timer_pop(t_vcg_dump);
}
-static int firm_const_exists;
+/* entities of runtime functions */
+ir_entity *rts_entities[rts_max];
-static void do_optimize_funccalls(void)
+/**
+ * Map runtime functions.
+ */
+static void rts_map(void)
{
- optimize_funccalls(firm_const_exists, NULL);
-}
+ static const struct {
+ ir_entity **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[lengthof(mapper)];
+ size_t n_map = 0;
+
+ for (size_t i = 0; i != lengthof(mapper); ++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;
+ }
+ }
-static void do_gcse(ir_graph *irg)
-{
- set_opt_global_cse(1);
- optimize_graph_df(irg);
- place_code(irg);
- set_opt_global_cse(0);
+ if (n_map > 0)
+ lower_intrinsics(rec, n_map, /* part_block_used=*/0);
}
-static void do_lower_highlevel(ir_graph *irg)
-{
- lower_highlevel_graph(irg, firm_opt.lower_bitfields);
-}
+static int *irg_dump_no;
-static void do_if_conv(ir_graph *irg)
+static void do_stred(ir_graph *irg)
{
- opt_if_conv(irg, if_conv_info);
+ opt_osr(irg, osr_flag_default | osr_flag_keep_reg_pressure | osr_flag_ignore_x86_shift);
}
-static void do_stred(ir_graph *irg)
+static void after_inline_opt(ir_graph *irg)
{
- opt_osr(irg, osr_flag_default | osr_flag_keep_reg_pressure | osr_flag_ignore_x86_shift);
+ 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);
+ inline_functions(firm_opt.inline_maxsize, firm_opt.inline_threshold,
+ after_inline_opt);
}
static void do_cloning(void)
proc_cloning((float) firm_opt.clone_threshold);
}
-static void do_lower_switch(ir_graph *irg)
+static void do_lower_mux(ir_graph *irg)
{
- lower_switch(irg, firm_opt.spare_size);
+ lower_mux(irg, NULL);
+}
+
+static void do_gcse(ir_graph *irg)
+{
+ set_opt_global_cse(1);
+ optimize_graph_df(irg);
+ set_opt_global_cse(0);
}
typedef enum opt_target {
- OPT_TARGET_IRG,
- OPT_TARGET_IRP
-} 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 void (*func_ptr_t)(void);
typedef struct {
- opt_target target;
- const char *name;
- func_ptr_t func;
- bool enabled;
- bool dump;
- bool verify;
- int timer;
+ 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;
+ ir_timer_t *timer;
} opt_config_t;
static opt_config_t opts[] = {
- { OPT_TARGET_IRP, "rts", (func_ptr_t) rts_map, true, true, true, -1 },
- { OPT_TARGET_IRG, "combo", (func_ptr_t) combo, true, true, true, TV_COMBO },
- { OPT_TARGET_IRG, "controlflow", (func_ptr_t) optimize_cf, true, true, true, TV_CF_OPT },
- { OPT_TARGET_IRG, "local", (func_ptr_t) optimize_graph_df, true, true, true, TV_LOCAL_OPT },
- { OPT_TARGET_IRP, "gc_irgs", (func_ptr_t) remove_unused_functions, true, false, false, TV_CGANA },
- { OPT_TARGET_IRP, "tailrec", (func_ptr_t) opt_tail_recursion, true, true, true, TV_TAIL_REC },
- { OPT_TARGET_IRP, "funccalls", (func_ptr_t) do_optimize_funccalls, true, true, true, TV_REAL_FUNC_CALL },
- { OPT_TARGET_IRP, "lowerconst", (func_ptr_t) lower_const_code, true, false, false, -1 },
- { OPT_TARGET_IRG, "onereturn", (func_ptr_t) normalize_one_return, true, false, false, -1 },
- { OPT_TARGET_IRG, "scalar", (func_ptr_t) scalar_replacement_opt, true, true, true, TV_SCALAR_REPLACE },
- { OPT_TARGET_IRG, "reassoc", (func_ptr_t) optimize_reassociation, true, true, true, TV_REASSOCIATION },
- { OPT_TARGET_IRG, "gcse", (func_ptr_t) do_gcse, true, true, true, TV_CODE_PLACE },
- { OPT_TARGET_IRG, "place", (func_ptr_t) place_code, true, true, true, TV_CODE_PLACE },
- { OPT_TARGET_IRG, "confirm", (func_ptr_t) construct_confirms, true, true, true, TV_CONFIRM_CREATE },
- { OPT_TARGET_IRG, "ldst", (func_ptr_t) optimize_load_store, true, true, true, TV_LOAD_STORE },
- { OPT_TARGET_IRG, "sync", (func_ptr_t) opt_sync, true, true, true, -1 },
- { OPT_TARGET_IRG, "lower", (func_ptr_t) do_lower_highlevel, true, true, true, -1 },
- { OPT_TARGET_IRG, "deconv", (func_ptr_t) conv_opt, true, true, true, TV_DECONV },
- { OPT_TARGET_IRG, "jumpthreading", (func_ptr_t) opt_jumpthreading, true, true, true, TV_JUMPTHREADING },
- { OPT_TARGET_IRG, "remove_confirms", (func_ptr_t) remove_confirms, true, false, false, TV_CONFIRM_CREATE },
- { OPT_TARGET_IRG, "gvnpre", (func_ptr_t) do_gvn_pre, true, true, true, -1 },
- { OPT_TARGET_IRG, "ifconv", (func_ptr_t) do_if_conv, true, true, true, TV_IF_CONV },
- { OPT_TARGET_IRG, "bool", (func_ptr_t) opt_bool, true, true, true, -1 },
- { OPT_TARGET_IRG, "shape-blocks",(func_ptr_t) shape_blocks, true, true, true, TV_END_MELT },
- { OPT_TARGET_IRG, "stred", (func_ptr_t) do_stred, true, true, true, TV_OSR },
- { OPT_TARGET_IRG, "dead", (func_ptr_t) dead_node_elimination, true, false, true, TV_DEAD_NODE },
- { OPT_TARGET_IRP, "inline", (func_ptr_t) do_inline, true, true, true, -1 },
- { OPT_TARGET_IRP, "clone", (func_ptr_t) do_cloning, true, true, true, -1 },
- { OPT_TARGET_IRG, "lower_switch", (func_ptr_t) do_lower_switch, true, true, true, -1 },
+#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 optimization", 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("gvn-pre", do_gvn_pre, "global value numbering partial redundancy elimination", OPT_FLAG_NONE),
+ IRG("if-conversion", opt_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", local_opts, "local graph optimizations", OPT_FLAG_HIDE_OPTIONS),
+ IRG("lower", lower_highlevel_graph, "lowering", OPT_FLAG_HIDE_OPTIONS | OPT_FLAG_ESSENTIAL),
+ IRG("lower-mux", do_lower_mux, "mux lowering", OPT_FLAG_NONE),
+ 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("gcse", do_gcse, "global common subexpression eliminiation", 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", set_vrp_data, "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("target-lowering", be_lower_for_target, "lowering necessary for target architecture", OPT_FLAG_HIDE_OPTIONS | OPT_FLAG_ESSENTIAL),
+ IRP("opt-func-call", 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_NONE),
+ IRP("opt-cc", mark_private_methods, "calling conventions optimization", OPT_FLAG_NONE),
+#undef IRP
+#undef IRG
};
-static const int n_opts = sizeof(opts) / sizeof(opts[0]);
+
+#define FOR_EACH_OPT(i) for (opt_config_t *i = opts; i != endof(opts); ++i)
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)
+ FOR_EACH_OPT(config) {
+ if (streq(config->name, name))
return config;
}
- assert(0);
return NULL;
}
static void set_opt_enabled(const char *name, bool enabled)
{
opt_config_t *config = get_opt(name);
- config->enabled = enabled;
+ config->flags = (config->flags & ~OPT_FLAG_ENABLED)
+ | (enabled ? OPT_FLAG_ENABLED : 0);
}
-static void do_irg_opt(ir_graph *irg, const char *name)
+static bool get_opt_enabled(const char *name)
{
- transform_irg_func func;
- ir_graph *old_irg;
- opt_config_t *config = get_opt(name);
- assert(config->target == OPT_TARGET_IRG);
- if (!config->enabled)
- return;
+ opt_config_t *config = get_opt(name);
+ return (config->flags & OPT_FLAG_ENABLED) != 0;
+}
- if (config->timer != -1)
- timer_push(config->timer);
+/**
+ * perform an optimization on a single graph
+ *
+ * @return true if something changed, false otherwise
+ */
+static bool do_irg_opt(ir_graph *irg, const char *name)
+{
+ opt_config_t *const config = get_opt(name);
+ assert(config != NULL);
+ assert(config->target == OPT_TARGET_IRG);
+ if (! (config->flags & OPT_FLAG_ENABLED))
+ return false;
- old_irg = current_ir_graph;
+ ir_graph *const old_irg = current_ir_graph;
current_ir_graph = irg;
- func = (transform_irg_func) config->func;
- func(irg);
+ timer_push(config->timer);
+ config->u.transform_irg(irg);
+ timer_pop(config->timer);
- if (config->timer != -1)
- timer_pop();
+ if (firm_dump.all_phases && firm_dump.ir_graph) {
+ dump_ir_graph(irg, name);
+ }
- DUMP_ONE_C(firm_dump.ir_graph && firm_dump.all_phases, irg, config->name);
- CHECK_ONE(firm_opt.check_all, irg);
+ 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)
{
- transform_irp_func func;
- opt_config_t *config = get_opt(name);
+ opt_config_t *const config = get_opt(name);
assert(config->target == OPT_TARGET_IRP);
- if (!config->enabled)
+ if (! (config->flags & OPT_FLAG_ENABLED))
return;
- if (config->timer != -1)
- timer_push(config->timer);
+ timer_push(config->timer);
+ config->u.transform_irp();
+ timer_pop(config->timer);
- func = (transform_irp_func) config->func;
- func();
+ 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);
+ }
+ }
- DUMP_ALL_C(firm_dump.ir_graph && firm_dump.all_phases, config->name);
- CHECK_ALL(firm_opt.check_all);
+ 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);
+ }
+}
- if (config->timer != -1)
- timer_pop();
+/**
+ * Enable transformations which should be always safe (and cheap) to perform
+ */
+static void enable_safe_defaults(void)
+{
+ 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("gcse", 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("remove-phi-cycles", true);
+ set_opt_enabled("frame", true);
+ set_opt_enabled("combo", true);
+ set_opt_enabled("invert-loops", true);
+ set_opt_enabled("target-lowering", true);
+ set_opt_enabled("rts", true);
+ set_opt_enabled("parallelize-mem", true);
+ set_opt_enabled("opt-cc", true);
}
/**
*/
static void do_firm_optimizations(const char *input_filename)
{
- int i;
- 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);
- set_opt_combo(firm_opt.combo);
-
- 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("gc_irgs", firm_opt.remove_unused);
- set_opt_enabled("tailrec", firm_opt.tail_rec);
- set_opt_enabled("funccalls", firm_opt.func_calls);
- 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);
- set_opt_enabled("sync", firm_opt.sync);
- set_opt_enabled("ldst", firm_opt.load_store);
- set_opt_enabled("deconv", firm_opt.deconv);
- set_opt_enabled("jumpthreading", firm_opt.jumpthreading);
- set_opt_enabled("gvnpre", firm_opt.gvn_pre);
- set_opt_enabled("ifconv", firm_opt.if_conversion);
- set_opt_enabled("bool", firm_opt.bool_opt);
- set_opt_enabled("shape-blocks", firm_opt.shape_blocks);
- set_opt_enabled("inline", firm_opt.do_inline);
- set_opt_enabled("clone", firm_opt.cloning);
- set_opt_enabled("combo", firm_opt.combo);
-
- timer_start(TV_ALL_OPT);
-
- do_irp_opt("rts");
-
- /* first step: kill dead code */
- if (firm_opt.combo) {
- for (i = 0; i < get_irp_n_irgs(); i++) {
- ir_graph *irg = get_irp_irg(i);
- do_irg_opt(irg, "combo");
- }
- } else {
- 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, "controlflow");
- }
- }
-
- do_irp_opt("gc_irgs");
- do_irp_opt("tailrec");
- do_irp_opt("funccalls");
- do_irp_opt("lowerconst");
-
- for (i = 0; i < get_irp_n_irgs(); i++) {
- ir_graph *irg = get_irp_irg(i);
-
- do_irg_opt(irg, "scalar");
- do_irg_opt(irg, "local");
- do_irg_opt(irg, "reassoc");
- 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, "controlflow");
- do_irg_opt(irg, "confirm");
- do_irg_opt(irg, "local");
- }
-
- do_irg_opt(irg, "controlflow");
- do_irg_opt(irg, "ldst");
- do_irg_opt(irg, "lower");
- do_irg_opt(irg, "deconv");
- do_irg_opt(irg, "jumpthreading");
- do_irg_opt(irg, "remove_confirms");
- do_irg_opt(irg, "gvnpre");
- do_irg_opt(irg, "place");
- do_irg_opt(irg, "controlflow");
-
- if (firm_opt.if_conversion) {
- do_irg_opt(irg, "ifconv");
- do_irg_opt(irg, "local");
- do_irg_opt(irg, "controlflow");
- }
-
- do_irg_opt(irg, "bool");
- do_irg_opt(irg, "shape-blocks");
- do_irg_opt(irg, "lower_switch");
- do_irg_opt(irg, "stred");
- do_irg_opt(irg, "local");
- do_irg_opt(irg, "dead");
- }
-
- do_irp_opt("inline");
- do_irp_opt("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, "controlflow");
- do_irg_opt(irg, "jumpthreading");
- do_irg_opt(irg, "local");
- do_irg_opt(irg, "controlflow");
- }
-
- 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));
- }
-
- do_irp_opt("gc_irgs");
-
- 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 */
+ size_t i;
+ unsigned aa_opt;
-/**
- * compute the size of a type (do implicit lowering)
- *
- * @param ty a Firm type
- */
-static int compute_type_size(ir_type *ty)
-{
- 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;
-
- /* inner functions do not expand the frame */
- if (is_Method_type(ent_ty) && is_frame_type(ty))
- continue;
-
- /* 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 */
+ set_opt_alias_analysis(firm_opt.alias_analysis);
-/**
- * layout all non-frame types of the Firm graph
- */
-static void compute_type_sizes(void)
-{
- int i;
- ir_type *tp;
+ 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;
- /* all non-frame other types */
- for (i = get_irp_n_types() - 1; i >= 0; --i) {
- tp = get_irp_type(i);
- compute_type_size(tp);
+ set_irp_memory_disambiguator_options(aa_opt);
- if (is_Method_type(tp)) {
- tp = get_method_value_res_type(tp);
+ /* parameter passing code should set them directly sometime... */
+ set_opt_enabled("confirm", firm_opt.confirm);
+ set_opt_enabled("remove-confirms", firm_opt.confirm);
- if (tp) {
- /* we have a value result type for this method, lower */
- compute_type_size(tp);
- }
- }
- }
-} /* compute_type_sizes */
+ /* osr supersedes remove_phi_cycles */
+ if (get_opt_enabled("ivopts"))
+ set_opt_enabled("remove-phi-cycles", false);
-/**
- * layout all frame-types of the Firm graph
- */
-static void compute_frame_type_sizes(void)
-{
- 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 */
+ 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");
+ do_irg_opt(irg, "place");
+
+ 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, "gcse");
+ 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, "ivopts");
+ do_irg_opt(irg, "local");
+ do_irg_opt(irg, "dead");
+ }
+
+ 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;
-
- if (firm_opt.lower_ll) {
- 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;
- }
- 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) {
- ir_graph *irg = get_irp_irg(i);
- do_irg_opt(irg, "reassoc");
- }
+ int i;
- /* 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) ));
+ /* 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, "reassociation");
+ do_irg_opt(irg, "local");
+ }
- for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
- ir_graph *irg = get_irp_irg(i);
+ do_irp_opt("target-lowering");
- current_ir_graph = irg;
+ if (firm_dump.statistic & STAT_AFTER_LOWER)
+ stat_dump_snapshot(input_filename, "low");
- do_irg_opt(irg, "local");
- do_irg_opt(irg, "gcse");
- do_irg_opt(irg, "ldst");
- do_irg_opt(irg, "local");
- do_irg_opt(irg, "controlflow");
+ timer_start(t_all_opt);
- if (firm_opt.if_conversion) {
- do_irg_opt(irg, "ifconv");
- do_irg_opt(irg, "local");
- do_irg_opt(irg, "controlflow");
- }
+ for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
+ ir_graph *irg = get_irp_irg(i);
- do_irg_opt(current_ir_graph, "sync");
- }
- timer_stop(TV_ALL_OPT);
+ do_irg_opt(irg, "local");
+ do_irg_opt(irg, "deconv");
+ do_irg_opt(irg, "control-flow");
+ do_irg_opt(irg, "opt-load-store");
+ do_irg_opt(irg, "gcse");
+ do_irg_opt(irg, "place");
+ do_irg_opt(irg, "control-flow");
- DUMP_ALL(firm_dump.ir_graph, "-low-opt");
- }
+ 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 (firm_opt.cc_opt)
- mark_private_methods();
+ if (do_irg_opt(irg, "if-conversion")) {
+ do_irg_opt(irg, "local");
+ do_irg_opt(irg, "control-flow");
+ }
- /* set the phase to low */
- for (i = get_irp_n_irgs() - 1; i >= 0; --i)
- set_irg_phase_low(get_irp_irg(i));
+ set_irg_state(irg, IR_GRAPH_STATE_NORMALISATION2);
+ do_irg_opt(irg, "local");
- /* all graphs are lowered, set the irp phase to low */
- set_irp_phase_state(phase_low);
+ do_irg_opt(irg, "parallelize-mem");
+ do_irg_opt(irg, "frame");
+ }
+ do_irp_opt("remove-unused");
+ do_irp_opt("opt-cc");
+ timer_stop(t_all_opt);
+ dump_all("low-opt");
- if (firm_dump.statistic & STAT_FINAL) {
- stat_dump_snapshot(input_filename, "final");
- }
-} /* do_firm_lowering */
+ 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;
+ ir_init();
+ enable_safe_defaults();
- /* the automatic state is only set if inlining is enabled */
- firm_opt.auto_inline = firm_opt.do_inline;
+ FOR_EACH_OPT(i) {
+ i->timer = ir_timer_new();
+ timer_register(i->timer, 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");
+ t_backend = ir_timer_new();
+ timer_register(t_backend, "Firm: backend");
+}
- if (firm_dump.stat_pattern)
- pattern |= FIRMSTAT_PATTERN_ENABLED;
+static void init_statistics(void)
+{
+ unsigned pattern = 0;
- if (firm_dump.stat_dag)
- pattern |= FIRMSTAT_COUNT_DAG;
+ if (firm_dump.stat_pattern)
+ pattern |= FIRMSTAT_PATTERN_ENABLED;
- 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;
+ if (firm_dump.stat_dag)
+ pattern |= FIRMSTAT_COUNT_DAG;
- ir_init(¶ms);
+ 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();
+/**
+ * Called, after the Firm generation is completed,
+ * do all optimizations and backend call here.
+ *
+ * @param out a file handle for the output, may be NULL
+ * @param input_filename the name of the (main) source file
+ */
+void generate_code(FILE *out, const char *input_filename)
+{
+ int i;
- firm_opt.lower_ll = (a_byte) be_params->do_dw_lowering;
+ 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);
- arch_create_intrinsic = be_params->arch_create_intrinsic_fkt;
- create_intrinsic_ctx = be_params->create_intrinsic_ctx;
+ init_statistics();
- ad_param = be_params->dep_param;
- if_conv_info = be_params->if_conv_info;
- }
+ do_node_verification((firm_verification_t) firm_opt.verify);
- dbg_init(NULL, NULL, dbg_snprint);
- edges_init_dbg(firm_opt.vrfy_edges);
+ /* the general for dumping option must be set, or the others will not work*/
+ firm_dump.ir_graph = (bool) (firm_dump.ir_graph | firm_dump.all_phases);
- set_opt_precise_exc_context(firm_opt.precise_exc);
- set_opt_fragile_ops(firm_opt.fragile_ops);
+ 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);
- /* Sel node cannot produce NULL pointers */
- set_opt_sel_based_null_check_elim(1);
+ /* FIXME: cloning might ADD new graphs. */
+ irg_dump_no = calloc(get_irp_last_idx(), sizeof(*irg_dump_no));
- /* dynamic dispatch works currently only if whole world scenarios */
- set_opt_dyn_meth_dispatch(0);
+ if (firm_dump.all_types) {
+ dump_ir_prog_ext(dump_typegraph, "types.vcg");
+ }
- arch_dep_init(arch_factory);
+ dump_all("");
- /* do not run architecture dependent optimizations in building phase */
- arch_dep_set_opts(arch_dep_none);
+ timer_push(t_verify);
+ tr_verify();
+ timer_pop(t_verify);
- 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));
+ /* all graphs are finalized, set the irp phase to high */
+ set_irp_phase_state(phase_high);
- 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);
- }
+ /* 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");
+ }
- /* do not dump entity ld names */
- dump_ld_names(0);
-} /* gen_firm_init */
+ if (firm_dump.statistic & STAT_BEFORE_OPT) {
+ stat_dump_snapshot(input_filename, "noopt");
+ }
-/**
- * Called, after the Firm generation is completed,
- * do all optimizations and backend call here.
- *
- * @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 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 new_firm_const_exists)
+ do_firm_optimizations(input_filename);
+ do_firm_lowering(input_filename);
+
+ /* set the phase to low */
+ for (i = get_irp_n_irgs() - 1; i >= 0; --i)
+ set_irg_phase_state(get_irp_irg(i), phase_low);
+
+ if (firm_dump.statistic & STAT_FINAL_IR)
+ stat_dump_snapshot(input_filename, "final-ir");
+
+ /* run the code generator */
+ timer_start(t_backend);
+ be_main(out, input_filename);
+ timer_stop(t_backend);
+
+ if (firm_dump.statistic & STAT_FINAL)
+ stat_dump_snapshot(input_filename, "final");
+}
+
+void gen_firm_finish(void)
{
- 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
-
- firm_const_exists = new_firm_const_exists;
-
- /* 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);
-
- 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));
-
- 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");
+ ir_finish();
}
-/**
- * Do very early initializations
- */
-void firm_early_init(void)
+static void disable_all_opts(void)
+{
+ firm_opt.cse = false;
+ firm_opt.confirm = false;
+ firm_opt.muls = false;
+ firm_opt.divs = false;
+ firm_opt.mods = false;
+ firm_opt.alias_analysis = false;
+ firm_opt.strict_alias = false;
+ firm_opt.no_alias = false;
+
+ FOR_EACH_OPT(config) {
+ if (config->flags & OPT_FLAG_ESSENTIAL) {
+ config->flags |= OPT_FLAG_ENABLED;
+ } else {
+ config->flags &= ~OPT_FLAG_ENABLED;
+ }
+ }
+}
+
+static bool firm_opt_option(const char *opt)
+{
+ char const* const rest = strstart(opt, "no-");
+ bool const enable = rest ? opt = rest, false : true;
+
+ opt_config_t *config = get_opt(opt);
+ if (config == NULL || (config->flags & OPT_FLAG_HIDE_OPTIONS))
+ return false;
+
+ config->flags &= ~OPT_FLAG_ENABLED;
+ config->flags |= enable ? OPT_FLAG_ENABLED : 0;
+ return true;
+}
+
+void firm_option_help(print_option_help_func print_option_help)
{
- /* arg: need this here for command line options */
- be_opt_register();
+ FOR_EACH_OPT(config) {
+ char buf[1024];
+ char buf2[1024];
+
+ if (config->flags & OPT_FLAG_HIDE_OPTIONS)
+ continue;
+
+ snprintf(buf, sizeof(buf), "-f%s", config->name);
+ snprintf(buf2, sizeof(buf2), "enable %s", config->description);
+ print_option_help(buf, buf2);
+ snprintf(buf, sizeof(buf), "-fno-%s", config->name);
+ snprintf(buf2, sizeof(buf2), "disable %s", config->description);
+ print_option_help(buf, buf2);
+ }
+
+ for (size_t k = 0; k != lengthof(firm_options); ++k) {
+ char buf[1024];
+ char buf2[1024];
+ snprintf(buf, sizeof(buf), "-f%s", firm_options[k].option);
+ snprintf(buf2, sizeof(buf2), "%s", firm_options[k].description);
+ print_option_help(buf, buf2);
+ }
+}
+
+int firm_option(const char *const opt)
+{
+ char const* val;
+ if ((val = strstart(opt, "dump-filter="))) {
+ ir_set_dump_filter(val);
+ return 1;
+ } else if ((val = strstart(opt, "clone-threshold="))) {
+ sscanf(val, "%d", &firm_opt.clone_threshold);
+ return 1;
+ } else if ((val = strstart(opt, "inline-max-size="))) {
+ sscanf(val, "%u", &firm_opt.inline_maxsize);
+ return 1;
+ } else if ((val = strstart(opt, "inline-threshold="))) {
+ sscanf(val, "%u", &firm_opt.inline_threshold);
+ return 1;
+ } else if (streq(opt, "no-opt")) {
+ disable_all_opts();
+ return 1;
+ }
+
+ size_t const len = strlen(opt);
+ for (size_t i = lengthof(firm_options); i != 0;) {
+ struct params const* const o = &firm_options[--i];
+ if (len == o->opt_len && memcmp(opt, o->option, len) == 0) {
+ /* statistic options do accumulate */
+ if (o->flag == &firm_dump.statistic)
+ *o->flag = (bool) (*o->flag | o->set);
+ else
+ *o->flag = o->set;
+
+ return 1;
+ }
+ }
+
+ /* maybe this enables/disables optimizations */
+ if (firm_opt_option(opt))
+ return 1;
+
+ return 0;
+}
+
+static void set_be_option(const char *arg)
+{
+ int res = be_parse_arg(arg);
+ (void) res;
+ assert(res);
+}
+
+static void set_option(const char *arg)
+{
+ int res = firm_option(arg);
+ (void) res;
+ assert(res);
+}
+
+void choose_optimization_pack(int level)
+{
+ /* apply optimization level */
+ switch(level) {
+ case 0:
+ set_option("no-opt");
+ break;
+ case 1:
+ set_option("no-inline");
+ break;
+ default:
+ case 4:
+ /* use_builtins = true; */
+ /* fallthrough */
+ case 3:
+ set_option("thread-jumps");
+ set_option("if-conversion");
+ /* fallthrough */
+ case 2:
+ set_option("strict-aliasing");
+ set_option("inline");
+ set_option("fp-vrp");
+ set_option("deconv");
+ set_be_option("omitfp");
+ break;
+ }
}
projects / cparser / blobdiff