*
* @file firm_opt.c -- Firm-generating back end optimizations.
*
- * (C) 2005-2009 Michael Beck beck@ipd.info.uni-karlsruhe.de
+ * (C) 2005-2010 Michael Beck beck@ipd.info.uni-karlsruhe.de
*
* $Id$
*/
#include "firm_timing.h"
#include "ast2firm.h"
-#if defined(_DEBUG) || defined(FIRM_DEBUG)
-#define DBG(x) dbg_printf x
-#else
-#define DBG(x) ((void)0)
-#endif /* _DEBUG || FIRM_DEBUG */
-
static ir_timer_t *t_vcg_dump;
static ir_timer_t *t_verify;
static ir_timer_t *t_all_opt;
/** dump all the graphs depending on cond */
-static void dump_all(const char *suffix) {
- if (firm_dump.ir_graph) {
- timer_push(t_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(t_vcg_dump);
- }
-}
+static void dump_all(const char *suffix)
+{
+ if (!firm_dump.ir_graph)
+ return;
-/* 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;
+ timer_push(t_vcg_dump);
+ dump_all_ir_graphs(suffix);
+ timer_pop(t_vcg_dump);
+}
/* entities of runtime functions */
ir_entity_ptr rts_entities[rts_max];
-/**
- * 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;
-}
-
/**
* Map runtime functions.
*/
-static void rts_map(void) {
+static void rts_map(void)
+{
static const struct {
ir_entity_ptr *ent; /**< address of the rts entity */
i_mapper_func func; /**< mapper function. */
}
static int *irg_dump_no;
-
-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);
-
- timer_push(t_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(t_vcg_dump);
-}
-
-static void remove_unused_functions(void)
-{
- 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);
-}
-
static int firm_const_exists;
static void do_optimize_funccalls(void)
lower_highlevel_graph(irg, firm_opt.lower_bitfields);
}
-static void do_if_conv(ir_graph *irg)
-{
- opt_if_conv(irg, if_conv_info);
-}
-
static void do_stred(ir_graph *irg)
{
opt_osr(irg, osr_flag_default | osr_flag_keep_reg_pressure | osr_flag_ignore_x86_shift);
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_lower_dw_ops(void)
+static void do_vrp(ir_graph *irg)
{
- 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);
+ set_vrp_data(irg);
}
typedef enum opt_target {
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_t target;
const char *name;
- func_ptr_t func;
+ 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[] = {
- { OPT_TARGET_IRP, "rts", (func_ptr_t) rts_map, "optimization of known library functions", OPT_FLAG_HIDE_OPTIONS },
- { OPT_TARGET_IRG, "combo", (func_ptr_t) combo, "combined CCE, UCE and GVN", OPT_FLAG_NONE},
- { OPT_TARGET_IRG, "control-flow", (func_ptr_t) optimize_cf, "optimization of control-flow", OPT_FLAG_HIDE_OPTIONS },
- { OPT_TARGET_IRG, "local", (func_ptr_t) optimize_graph_df, "local graph optimizations", OPT_FLAG_HIDE_OPTIONS },
- { OPT_TARGET_IRP, "remove-unused", (func_ptr_t) remove_unused_functions, "removal of unused functions", OPT_FLAG_NO_DUMP | OPT_FLAG_NO_VERIFY },
- { OPT_TARGET_IRP, "opt-tail-rec", (func_ptr_t) opt_tail_recursion, "tail-recursion eliminiation", OPT_FLAG_NONE },
- { OPT_TARGET_IRP, "opt-func-call", (func_ptr_t) do_optimize_funccalls, "function call optimization", OPT_FLAG_NONE },
- { OPT_TARGET_IRG, "lower", (func_ptr_t) do_lower_highlevel, "lowering", OPT_FLAG_HIDE_OPTIONS },
- { OPT_TARGET_IRP, "lower-const", (func_ptr_t) lower_const_code, "lowering of constant code", OPT_FLAG_HIDE_OPTIONS | OPT_FLAG_NO_DUMP | OPT_FLAG_NO_VERIFY },
- { OPT_TARGET_IRP, "lower-dw", (func_ptr_t) do_lower_dw_ops, "lowering of doubleword operations", OPT_FLAG_HIDE_OPTIONS },
- { OPT_TARGET_IRG, "lower-switch", (func_ptr_t) do_lower_switch, "switch lowering", OPT_FLAG_HIDE_OPTIONS },
- { OPT_TARGET_IRG, "one-return", (func_ptr_t) normalize_one_return, "normalisation to 1 return", OPT_FLAG_HIDE_OPTIONS | OPT_FLAG_NO_DUMP | OPT_FLAG_NO_VERIFY },
- { OPT_TARGET_IRG, "scalar-replace", (func_ptr_t) scalar_replacement_opt, "scalar replacement", OPT_FLAG_NONE },
- { OPT_TARGET_IRG, "reassociation", (func_ptr_t) optimize_reassociation, "reassociation", OPT_FLAG_NONE },
- { OPT_TARGET_IRG, "gcse", (func_ptr_t) do_gcse, "global common subexpression elimination", OPT_FLAG_NONE },
- { OPT_TARGET_IRG, "place", (func_ptr_t) place_code, "code placement", OPT_FLAG_NONE },
- { OPT_TARGET_IRG, "confirm", (func_ptr_t) construct_confirms, "confirm optimisation", OPT_FLAG_HIDE_OPTIONS },
- { OPT_TARGET_IRG, "opt-load-store", (func_ptr_t) optimize_load_store, "load store optimization", OPT_FLAG_NONE },
- { OPT_TARGET_IRG, "parallelize-mem", (func_ptr_t) opt_parallelize_mem, "parallelize memory", OPT_FLAG_NONE },
- { OPT_TARGET_IRG, "deconv", (func_ptr_t) conv_opt, "conv node elimination", OPT_FLAG_NONE },
- { OPT_TARGET_IRG, "thread-jumps", (func_ptr_t) opt_jumpthreading, "path-sensitive jumpthreading", OPT_FLAG_NONE },
- { OPT_TARGET_IRG, "remove-confirms", (func_ptr_t) remove_confirms, "confirm removal", OPT_FLAG_HIDE_OPTIONS | OPT_FLAG_NO_DUMP | OPT_FLAG_NO_VERIFY },
- { OPT_TARGET_IRG, "gvn-pre", (func_ptr_t) do_gvn_pre, "global value numbering partial redundancy elimination", OPT_FLAG_NONE },
- { OPT_TARGET_IRG, "if-conversion", (func_ptr_t) do_if_conv, "if-conversion", OPT_FLAG_NONE },
- { OPT_TARGET_IRG, "bool", (func_ptr_t) opt_bool, "bool simplification", OPT_FLAG_NONE },
- { OPT_TARGET_IRG, "shape-blocks", (func_ptr_t) shape_blocks, "block shaping", OPT_FLAG_NONE },
- { OPT_TARGET_IRG, "ivopts", (func_ptr_t) do_stred, "induction variable strength reduction", OPT_FLAG_NONE },
- { OPT_TARGET_IRG, "remove-phi-cycles", (func_ptr_t) remove_phi_cycles, "removal of phi cycles", OPT_FLAG_HIDE_OPTIONS },
- { OPT_TARGET_IRG, "dead", (func_ptr_t) dead_node_elimination, "dead node elimination", OPT_FLAG_HIDE_OPTIONS | OPT_FLAG_NO_DUMP | OPT_FLAG_NO_VERIFY },
- { OPT_TARGET_IRP, "inline", (func_ptr_t) do_inline, "inlining", OPT_FLAG_NONE },
- { OPT_TARGET_IRP, "opt-proc-clone", (func_ptr_t) do_cloning, "procedure cloning", OPT_FLAG_NONE },
- { OPT_TARGET_IRG, "invert-loops", (func_ptr_t) do_loop_inversion, "loop inversion", OPT_FLAG_NONE },
- { OPT_TARGET_IRG, "peel-loops", (func_ptr_t) do_loop_peeling, "loop peeling", OPT_FLAG_NONE },
+#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", 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", 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("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("target-lowering", be_lower_for_target, "lowering necessary for target architecture", 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 bool do_irg_opt(ir_graph *irg, const char *name)
{
- transform_irg_func func;
- ir_graph *old_irg;
- opt_config_t *config = get_opt(name);
- size_t n = config - opts;
+ 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;
- func = (transform_irg_func) config->func;
-
timer_push(timers[n]);
- func(irg);
+ config->u.transform_irg(irg);
timer_pop(timers[n]);
if (firm_dump.all_phases && firm_dump.ir_graph) {
- dump_graph_count(irg, config->name);
+ dump_ir_graph(irg, name);
}
if (firm_opt.check_all) {
timer_push(t_verify);
- irg_verify(irg, VRFY_ENFORCE_SSA);
+ irg_verify(irg, VERIFY_ENFORCE_SSA);
timer_pop(t_verify);
}
static void do_irp_opt(const char *name)
{
- transform_irp_func func;
- opt_config_t *config = get_opt(name);
- size_t n = config - opts;
+ 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;
- func = (transform_irp_func) config->func;
-
timer_push(timers[n]);
- func();
+ 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_graph_count(irg, config->name);
+ dump_ir_graph(irg, name);
}
}
int i;
timer_push(t_verify);
for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
- irg_verify(get_irp_irg(i), VRFY_ENFORCE_SSA);
+ irg_verify(get_irp_irg(i), VERIFY_ENFORCE_SSA);
}
timer_pop(t_verify);
}
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);
+ set_opt_enabled("target-lowering", true);
+ set_opt_enabled("rts", true);
}
/**
*/
static void do_firm_optimizations(const char *input_filename)
{
- int i;
+ size_t i;
unsigned aa_opt;
- /* FIXME: cloning might ADD new graphs. */
- irg_dump_no = calloc(get_irp_last_idx(), sizeof(*irg_dump_no));
-
set_opt_alias_analysis(firm_opt.alias_analysis);
aa_opt = aa_opt_no_opt;
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);
}
do_irp_opt("remove-unused");
- do_irp_opt("opt-tail-rec");
+ 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");
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, "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, "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_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) {
construct_cf_backedges(get_irp_irg(i));
}
- do_irp_opt("remove-unused");
-
- dump_all("-opt");
+ dump_all("opt");
if (firm_dump.statistic & STAT_AFTER_OPT)
stat_dump_snapshot(input_filename, "opt");
timer_stop(t_all_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;
-}
-
-/**
- * layout all non-frame types of the Firm graph
- */
-static void compute_type_sizes(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);
- }
- }
- }
-}
-
-/**
- * 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));
- }
-}
-
/**
* do Firm lowering
*
{
int i;
- do_irp_opt("lower-dw");
+ /* 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");
+ }
+
+ do_irp_opt("target-lowering");
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);
- current_ir_graph = irg;
-
do_irg_opt(irg, "local");
do_irg_opt(irg, "gcse");
+ do_irg_opt(irg, "control-flow");
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");
}
timer_stop(t_all_opt);
- dump_all("-low-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)
- 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");
}
*/
void gen_firm_init(void)
{
- firm_parameter_t params;
- unsigned pattern = 0;
- int i;
+ unsigned pattern = 0;
+ int i;
for (i = 0; i < n_opts; ++i) {
timers[i] = ir_timer_new();
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;
-
- ir_init(¶ms);
-
- 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;
- }
+ ir_init(NULL);
+ firm_init_stat(firm_dump.statistic == STAT_NONE ?
+ 0 : FIRMSTAT_ENABLED | FIRMSTAT_COUNT_STRONG_OP
+ | FIRMSTAT_COUNT_CONSTS | pattern);
- dbg_init(NULL, NULL, dbg_snprint);
- edges_init_dbg(firm_opt.vrfy_edges);
+ 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.vrfy);
- if (firm_dump.filter)
- only_dump_method_with_name(new_id_from_str(firm_dump.filter));
+ 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_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);
}
/**
* @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,
+void gen_firm_finish(FILE *out, const char *input_filename,
int new_firm_const_exists)
{
int i;
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);
+ 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 (!firm_dump.edge_labels)
- turn_off_edge_labels();
+ /* FIXME: cloning might ADD new graphs. */
+ irg_dump_no = calloc(get_irp_last_idx(), sizeof(*irg_dump_no));
if (firm_dump.all_types) {
- dump_all_types("");
- if (! c_mode) {
- dump_class_hierarchy(0, "");
- dump_class_hierarchy(1, "-with-entities");
- }
+ 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);
- if (firm_dump.ir_graph) {
- dump_graph_count(irg, "");
- }
}
+ dump_all("");
timer_push(t_verify);
- tr_vrfy();
+ tr_verify();
timer_pop(t_verify);
/* all graphs are finalized, set the irp phase to high */
/* 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);
if (firm_opt.enabled)
do_firm_optimizations(input_filename);
- if (firm_dump.gen_firm_asm) {
- ir_timer_t *timer = ir_timer_new();
- timer_register(timer, "Firm: Firm assembler");
- timer_push(timer);
- gen_Firm_assembler(input_filename);
- timer_pop(timer);
- 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));
+ set_irg_phase_state(get_irp_irg(i), phase_low);
if (firm_dump.statistic & STAT_FINAL_IR)
stat_dump_snapshot(input_filename, "final-ir");
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;