fixed some depencies between irdump.c and irdumptxt.c
[libfirm] / ir / stat / firmstat.c
index 9368b58..f8456d0 100644 (file)
 #include "firmstat_t.h"
 #include "pattern.h"
 #include "dags.h"
-
-/**
- * names of the optimizations
- */
-static const char *opt_names[] = {
-  "straightening optimization",
-  "if simplification",
-  "algebraic simplification",
-  "Phi optmization",
-  "Write-After-Write optimization",
-  "Write-After-Read optimization",
-  "Read-After-Write optimization",
-  "Read-After-Read optimization",
-  "Tuple optimization",
-  "ID optimization",
-  "Constant evaluation",
-  "Strength reduction",
-  "Lowered",
-};
+#include "stat_dmp.h"
 
 /*
  * need this to be static:
@@ -190,14 +172,18 @@ static INLINE unsigned irg_hash(const ir_graph *irg)
 /**
  * clears all counter in a graph_entry_t
  */
-static void graph_clear_entry(graph_entry_t *elem)
+static void graph_clear_entry(graph_entry_t *elem, int all)
 {
-  cnt_clr(&elem->cnt_walked);
-  cnt_clr(&elem->cnt_walked_blocks);
-  cnt_clr(&elem->cnt_was_inlined);
-  cnt_clr(&elem->cnt_got_inlined);
-  cnt_clr(&elem->cnt_strength_red);
+  if (all) {
+    cnt_clr(&elem->cnt_walked);
+    cnt_clr(&elem->cnt_walked_blocks);
+    cnt_clr(&elem->cnt_was_inlined);
+    cnt_clr(&elem->cnt_got_inlined);
+    cnt_clr(&elem->cnt_strength_red);
+  }
   cnt_clr(&elem->cnt_edges);
+  cnt_clr(&elem->cnt_all_calls);
+  cnt_clr(&elem->cnt_indirect_calls);
 }
 
 /**
@@ -215,10 +201,11 @@ static graph_entry_t *graph_get_entry(ir_graph *irg, pset *set)
   if (elem)
     return elem;
 
+  /* allocate a new one */
   elem = obstack_alloc(&status->cnts, sizeof(*elem));
 
   /* clear counter */
-  graph_clear_entry(elem);
+  graph_clear_entry(elem, 1);
 
   /* new hash table for opcodes here  */
   elem->opcode_hash  = new_pset(opcode_cmp, 5);
@@ -394,10 +381,56 @@ static void count_block_info(ir_node *node, graph_entry_t *graph)
   }
 }
 
+/**
+ * update info on calls
+ */
+static void update_call_stat(ir_node *call, graph_entry_t *graph)
+{
+  ir_node *ptr = get_Call_ptr(call);
+  entity *ent = NULL;
+
+  cnt_inc(&graph->cnt_all_calls);
+
+  /* found a call, is not a leaf function */
+  graph->is_leaf = 0;
+
+  if (get_irn_op(ptr) == op_SymConst) {
+    if (get_SymConst_kind(ptr) == symconst_addr_ent) {
+      /* ok, we seems to know the entity */
+      ent = get_SymConst_entity(ptr);
+
+      if (get_entity_irg(ent) == graph->irg)
+       graph->is_recursive = 1;
+    }
+  }
+  else {
+    /* indirect call */
+    cnt_inc(&graph->cnt_indirect_calls);
+  }
+
+  /* check, if it's a chain-call: Then, the call-block
+   * must dominate the end block. */
+  {
+    ir_node *curr = get_irg_end_block(graph->irg);
+    ir_node *block  = get_nodes_block(call);
+    int depth = get_Block_dom_depth(block);
+
+    for (; curr != block && get_Block_dom_depth(curr) > depth;) {
+      curr = get_Block_idom(curr);
+
+      if (! curr || is_no_Block(curr))
+       break;
+    }
+
+    if (curr != block)
+      graph->is_chain_call = 0;
+  }
+}
+
 /**
  * walker for reachable nodes count
  */
-static void count_nodes(ir_node *node, void *env)
+static void update_node_stat(ir_node *node, void *env)
 {
   graph_entry_t *graph = env;
   node_entry_t *entry;
@@ -412,12 +445,17 @@ static void count_nodes(ir_node *node, void *env)
 
   /* count block edges */
   count_block_info(node, graph);
+
+  /* check for properties that depends on calls like recursion/leaf/indirect call */
+  if (get_irn_op(node) == op_Call)
+    update_call_stat(node, graph);
 }
 
 /**
- * count all alive nodes and edges in a graph
+ * called for every graph when the graph is either deleted or stat_finish
+ * is called, must recalculate all statistic info
  */
-static void count_nodes_in_graph(graph_entry_t *global, graph_entry_t *graph)
+static void update_graph_stat(graph_entry_t *global, graph_entry_t *graph)
 {
   node_entry_t *entry;
 
@@ -426,8 +464,30 @@ static void count_nodes_in_graph(graph_entry_t *global, graph_entry_t *graph)
     cnt_clr(&entry->cnt_alive);
   }
 
+  /* set pessimistic values */
+  graph->is_leaf       = 1;
+  graph->is_recursive  = 0;
+  graph->is_chain_call = 1;
+
+  /* we need dominator info */
+  if (graph->irg != get_const_code_irg())
+    if (get_irg_dom_state(graph->irg) != dom_consistent)
+      compute_doms(graph->irg);
+
   /* count the nodes in the graph */
-  irg_walk_graph(graph->irg, count_nodes, NULL, graph);
+  irg_walk_graph(graph->irg, update_node_stat, NULL, graph);
+
+#if 0
+  entry = opcode_get_entry(op_Call, graph->opcode_hash);
+
+  /* check if we have more than 1 call */
+  if (cnt_gt(entry->cnt_alive, 1))
+    graph->is_chain_call = 0;
+#endif
+
+  /* recursive functions are never chain calls, leafs don't have calls */
+  if (graph->is_recursive || graph->is_leaf)
+    graph->is_chain_call = 0;
 
   /* assume we walk every graph only ONCE, we could sum here the global count */
   for (entry = pset_first(graph->opcode_hash); entry; entry = pset_next(graph->opcode_hash)) {
@@ -444,10 +504,19 @@ static void count_nodes_in_graph(graph_entry_t *global, graph_entry_t *graph)
 /**
  * register a dumper
  */
-static void stat_register_dumper(dumper_t *dumper)
+static void stat_register_dumper(const dumper_t *dumper)
 {
-  dumper->next   = status->dumper;
-  status->dumper = dumper;
+  dumper_t *p = malloc(sizeof(*p));
+
+  if (p) {
+    *p = *dumper;
+
+    p->next        = status->dumper;
+    p->status      = status;
+    status->dumper = p;
+  }
+
+  /* FIXME: memory leak */
 }
 
 /**
@@ -489,264 +558,6 @@ static void dump_finish(void)
   }
 }
 
-/* ---------------------------------------------------------------------- */
-
-/**
- * dumps a opcode hash into human readable form
- */
-static void simple_dump_opcode_hash(dumper_t *dmp, pset *set)
-{
-  node_entry_t *entry;
-  counter_t f_alive;
-  counter_t f_new_node;
-  counter_t f_Id;
-
-  cnt_clr(&f_alive);
-  cnt_clr(&f_new_node);
-  cnt_clr(&f_Id);
-
-  fprintf(dmp->f, "%-16s %-8s %-8s %-8s\n", "Opcode", "alive", "created", "->Id");
-  for (entry = pset_first(set); entry; entry = pset_next(set)) {
-    fprintf(dmp->f, "%-16s %8d %8d %8d\n",
-      get_id_str(entry->op->name), entry->cnt_alive.cnt[0], entry->new_node.cnt[0], entry->into_Id.cnt[0]);
-
-    cnt_add(&f_alive,    &entry->cnt_alive);
-    cnt_add(&f_new_node, &entry->new_node);
-    cnt_add(&f_Id,       &entry->into_Id);
-  }
-  fprintf(dmp->f, "-------------------------------------------\n");
-  fprintf(dmp->f, "%-16s %8d %8d %8d\n", "Sum",
-     f_alive.cnt[0],
-     f_new_node.cnt[0],
-     f_Id.cnt[0]);
-}
-
-/**
- * dumps a optimization hash into human readable form
- */
-static void simple_dump_opt_hash(dumper_t *dmp, pset *set, int index)
-{
-  opt_entry_t *entry = pset_first(set);
-
-  if (entry) {
-    fprintf(dmp->f, "\n%s:\n", opt_names[index]);
-    fprintf(dmp->f, "%-16s %-8s\n", "Opcode", "deref");
-
-    for (; entry; entry = pset_next(set)) {
-      fprintf(dmp->f, "%-16s %8d\n",
-        get_id_str(entry->op->name), entry->count.cnt[0]);
-    }
-  }
-}
-
-/**
- * dumps the endges count
- */
-static void simple_dump_edges(dumper_t *dmp, counter_t *cnt)
-{
-  fprintf(dmp->f, "%-16s %8d\n", "Edges", cnt->cnt[0]);
-}
-
-/**
- * dumps the IRG
- */
-static void simple_dump_graph(dumper_t *dmp, graph_entry_t *entry)
-{
-  int dump_opts = 1;
-  block_entry_t *b_entry;
-
-  if (entry->irg) {
-    ir_graph *const_irg = get_const_code_irg();
-
-    if (entry->irg == const_irg) {
-      fprintf(dmp->f, "\nConst code Irg %p", (void *)entry->irg);
-    }
-    else {
-      if (entry->ent)
-        fprintf(dmp->f, "\nEntity %s, Irg %p", get_entity_name(entry->ent), (void *)entry->irg);
-      else
-        fprintf(dmp->f, "\nIrg %p", (void *)entry->irg);
-    }
-
-    fprintf(dmp->f, " %swalked %d over blocks %d was inlined %d got inlined %d strength red %d:\n",
-        entry->deleted ? "DELETED " : "",
-        entry->cnt_walked.cnt[0], entry->cnt_walked_blocks.cnt[0],
-        entry->cnt_was_inlined.cnt[0],
-        entry->cnt_got_inlined.cnt[0],
-       entry->cnt_strength_red.cnt[0]
-    );
-  }
-  else {
-    fprintf(dmp->f, "\nGlobals counts:\n");
-    fprintf(dmp->f, "--------------\n");
-    dump_opts = 0;
-  }
-
-  simple_dump_opcode_hash(dmp, entry->opcode_hash);
-  simple_dump_edges(dmp, &entry->cnt_edges);
-
-  /* effects of optimizations */
-  if (dump_opts) {
-    int i;
-
-    for (i = 0; i < sizeof(entry->opt_hash)/sizeof(entry->opt_hash[0]); ++i) {
-      simple_dump_opt_hash(dmp, entry->opt_hash[i], i);
-    }
-
-    /* dump block info */
-    fprintf(dmp->f, "\n%12s %12s %12s %12s %12s %12s\n", "Block Nr", "Nodes", "intern E", "incoming E", "outgoing E", "quot");
-    for (b_entry = pset_first(entry->block_hash);
-        b_entry;
-        b_entry = pset_next(entry->block_hash)) {
-      fprintf(dmp->f, "BLK %12ld %12u %12u %12u %12u %4.8f\n",
-         b_entry->block_nr,
-         b_entry->cnt_nodes.cnt[0],
-         b_entry->cnt_edges.cnt[0],
-         b_entry->cnt_in_edges.cnt[0],
-         b_entry->cnt_out_edges.cnt[0],
-         (double)b_entry->cnt_edges.cnt[0] / (double)b_entry->cnt_nodes.cnt[0]
-      );
-    }
-  }
-}
-
-/**
- * initialise the simple dumper
- */
-static void simple_init(dumper_t *dmp, const char *name)
-{
-  char fname[2048];
-
-  snprintf(fname, sizeof(fname), "%s.txt", name);
-  dmp->f = fopen(fname, "w");
-}
-
-/**
- * finishes the simple dumper
- */
-static void simple_finish(dumper_t *dmp)
-{
-  fclose(dmp->f);
-  dmp->f = NULL;
-}
-
-/**
- * the simple human readable dumper
- */
-static dumper_t simple_dumper = {
-  simple_dump_graph,
-  simple_init,
-  simple_finish,
-  NULL,
-  NULL,
-};
-
-/* ---------------------------------------------------------------------- */
-
-/**
- * count the nodes as needed:
- *
- * 1 normal (data) Phi's
- * 2 memory Phi's
- * 3 Proj
- * 0 all other nodes
- */
-static void csv_count_nodes(graph_entry_t *graph, counter_t cnt[])
-{
-  node_entry_t *entry;
-  int i;
-
-  for (i = 0; i < 4; ++i)
-    cnt_clr(&cnt[i]);
-
-  for (entry = pset_first(graph->opcode_hash); entry; entry = pset_next(graph->opcode_hash)) {
-    if (entry->op == op_Phi) {
-      /* normal Phi */
-      cnt_add(&cnt[1], &entry->cnt_alive);
-    }
-    else if (entry->op == status->op_PhiM) {
-      /* memory Phi */
-      cnt_add(&cnt[2], &entry->cnt_alive);
-    }
-    else if (entry->op == op_Proj) {
-      /* Proj */
-      cnt_add(&cnt[3], &entry->cnt_alive);
-    }
-    else {
-      /* all other nodes */
-      cnt_add(&cnt[0], &entry->cnt_alive);
-    }
-  }
-}
-
-/**
- * dumps the IRG
- */
-static void csv_dump_graph(dumper_t *dmp, graph_entry_t *entry)
-{
-  const char *name;
-
-  counter_t cnt[4];
-
-  if (entry->irg && !entry->deleted) {
-    ir_graph *const_irg = get_const_code_irg();
-
-    if (entry->irg == const_irg) {
-      name = "<Const code Irg>";
-      return;
-    }
-    else {
-      if (entry->ent)
-        name = get_entity_name(entry->ent);
-      else
-        name = "<UNKNOWN IRG>";
-    }
-
-    csv_count_nodes(entry, cnt);
-
-    fprintf(dmp->f, "%-40s, %p, %d, %d, %d, %d\n",
-        name,
-        (void *)entry->irg,
-        cnt[0].cnt[0],
-        cnt[1].cnt[0],
-        cnt[2].cnt[0],
-        cnt[3].cnt[0]
-    );
-  }
-}
-
-/**
- * initialise the simple dumper
- */
-static void csv_init(dumper_t *dmp, const char *name)
-{
-  char fname[2048];
-
-  snprintf(fname, sizeof(fname), "%s.csv", name);
-  dmp->f = fopen(fname, "a");
-}
-
-/**
- * finishes the simple dumper
- */
-static void csv_finish(dumper_t *dmp)
-{
-  fclose(dmp->f);
-  dmp->f = NULL;
-}
-
-/**
- * the simple human readable dumper
- */
-static dumper_t csv_dumper = {
-  csv_dump_graph,
-  csv_init,
-  csv_finish,
-  NULL,
-  NULL,
-};
-
-
 /* ---------------------------------------------------------------------- */
 
 /*
@@ -811,8 +622,11 @@ void init_stat(unsigned enable_options)
     status->op_DivModC = NULL;
   }
 
+  /* register the dumper */
   stat_register_dumper(&simple_dumper);
-  stat_register_dumper(&csv_dumper);
+
+  if (enable_options & FIRMSTAT_CSV_OUTPUT)
+    stat_register_dumper(&csv_dumper);
 
   /* initialize the pattern hash */
   stat_init_pattern_history(enable_options & FIRMSTAT_PATTERN_ENABLED);
@@ -914,14 +728,17 @@ void stat_new_graph(ir_graph *irg, entity *ent)
     /* execute for side effect :-) */
     graph_entry_t * graph = graph_get_entry(irg, status->irg_hash);
 
-    graph->ent     = ent;
-    graph->deleted = 0;
+    graph->ent           = ent;
+    graph->is_deleted    = 0;
+    graph->is_leaf       = 0;
+    graph->is_recursive  = 0;
+    graph->is_chain_call = 0;
   }
   STAT_LEAVE;
 }
 
 /*
- * A graph was deleted
+ * A graph will be deleted
  */
 void stat_free_graph(ir_graph *irg)
 {
@@ -933,10 +750,10 @@ void stat_free_graph(ir_graph *irg)
     graph_entry_t *graph  = graph_get_entry(irg, status->irg_hash);
     graph_entry_t *global = graph_get_entry(NULL, status->irg_hash);
 
-    graph->deleted = 1;
+    graph->is_deleted = 1;
 
     /* count the nodes of the graph yet, it will be destroyed later */
-    count_nodes_in_graph(global, graph);
+    update_graph_stat(global, graph);
 
     /* count the DAG's */
 //    count_dags_in_graph(global, graph);
@@ -1018,6 +835,9 @@ void stat_merge_nodes(
     int i, j;
     graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash);
 
+    if (status->reassoc_run)
+      opt = STAT_OPT_REASSOC;
+
     for (i = 0; i < old_num_entries; ++i) {
       for (j = 0; j < new_num_entries; ++j)
         if (old_node_array[i] == new_node_array[j])
@@ -1032,6 +852,21 @@ void stat_merge_nodes(
   STAT_LEAVE;
 }
 
+/*
+ * reassociation started/stopped.
+ */
+void stat_reassociate(int flag)
+{
+  if (! status->enable)
+    return;
+
+  STAT_ENTER;
+  {
+    status->reassoc_run = flag;
+  }
+  STAT_LEAVE;
+}
+
 /*
  * A node was lowered into other nodes
  */
@@ -1123,6 +958,70 @@ void stat_dead_node_elim_stop(ir_graph *irg)
   --status->in_dead_node_elim;
 }
 
+/*
+ * A multiply was replaced by a series of Shifts/Adds/Subs
+ */
+void stat_arch_dep_replace_mul_with_shifts(ir_node *mul)
+{
+  if (! status->enable)
+    return;
+
+  STAT_ENTER;
+  {
+    graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash);
+    removed_due_opt(mul, graph->opt_hash[STAT_OPT_ARCH_DEP]);
+  }
+  STAT_LEAVE;
+}
+
+/**
+ * A division was replaced by a series of Shifts/Muls
+ */
+void stat_arch_dep_replace_div_by_const(ir_node *div)
+{
+  if (! status->enable)
+    return;
+
+  STAT_ENTER;
+  {
+    graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash);
+    removed_due_opt(div, graph->opt_hash[STAT_OPT_ARCH_DEP]);
+  }
+  STAT_LEAVE;
+}
+
+/**
+ * A modulo was replaced by a series of Shifts/Muls
+ */
+void stat_arch_dep_replace_mod_by_const(ir_node *mod)
+{
+  if (! status->enable)
+    return;
+
+  STAT_ENTER;
+  {
+    graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash);
+    removed_due_opt(mod, graph->opt_hash[STAT_OPT_ARCH_DEP]);
+  }
+  STAT_LEAVE;
+}
+
+/**
+ * A DivMod was replaced by a series of Shifts/Muls
+ */
+void stat_arch_dep_replace_DivMod_by_const(ir_node *divmod)
+{
+  if (! status->enable)
+    return;
+
+  STAT_ENTER;
+  {
+    graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash);
+    removed_due_opt(divmod, graph->opt_hash[STAT_OPT_ARCH_DEP]);
+  }
+  STAT_LEAVE;
+}
+
 /* Finish the statistics */
 void stat_finish(const char *name)
 {
@@ -1144,9 +1043,9 @@ void stat_finish(const char *name)
         continue;
       }
 
-      if (! entry->deleted) {
+      if (! entry->is_deleted) {
         /* the graph is still alive, count the nodes on it */
-        count_nodes_in_graph(global, entry);
+        update_graph_stat(global, entry);
 
         /* count the DAG's */
 //        count_dags_in_graph(global, entry);
@@ -1157,14 +1056,12 @@ void stat_finish(const char *name)
 
       dump_graph(entry);
 
-      /* clear the counter here:
-       * we need only the edge counter to be cleared, all others are cumulative
-       */
-      cnt_clr(&entry->cnt_edges);
+      /* clear the counter that are not accumulated */
+      graph_clear_entry(entry, 0);
     }
 
     /* dump global */
-//    dump_graph(global);
+    dump_graph(global);
     dump_finish();
 
     stat_finish_pattern_history();
@@ -1176,7 +1073,8 @@ void stat_finish(const char *name)
       for (entry = pset_first(global->opcode_hash); entry; entry = pset_next(global->opcode_hash)) {
         opcode_clear_entry(entry);
       }
-      graph_clear_entry(global);
+      /* clear all global counter */
+      graph_clear_entry(global, 1);
     }
 
     /* finished */
@@ -1216,6 +1114,8 @@ void stat_merge_nodes(
     ir_node **old_node_array, int old_num_entries,
     stat_opt_kind opt) {}
 
+void stat_reassociate(int start) {}
+
 void stat_lower(ir_node *node) {}
 
 void stat_inline(ir_node *call, ir_graph *irg) {}
@@ -1228,4 +1128,12 @@ void stat_dead_node_elim_start(ir_graph *irg) {}
 
 void stat_dead_node_elim_stop(ir_graph *irg) {}
 
+void stat_arch_dep_replace_mul_with_shifts(ir_node *mul) {}
+
+void stat_arch_dep_replace_div_by_const(ir_node *div) {}
+
+void stat_arch_dep_replace_mod_by_const(ir_node *mod) {}
+
+void stat_arch_dep_replace_DivMod_by_const(ir_node *divmod) {}
+
 #endif