moved #ifdef DEBUG_libfirm commented members last in the structure
[libfirm] / ir / stat / firmstat.c
index 7397ab6..530bec4 100644 (file)
@@ -119,7 +119,7 @@ static int opt_cmp(const void *elt, const void *key)
 }
 
 /**
- * compare two elements of the block hash
+ * compare two elements of the block/extbb hash
  */
 static int block_cmp(const void *elt, const void *key)
 {
@@ -221,6 +221,19 @@ static void graph_clear_entry(graph_entry_t *elem, int all)
   cnt_clr(&elem->cnt_all_calls);
   cnt_clr(&elem->cnt_call_with_cnst_arg);
   cnt_clr(&elem->cnt_indirect_calls);
+
+  if (elem->block_hash) {
+    del_pset(elem->block_hash);
+    elem->block_hash = NULL;
+  }
+
+  if (elem->extbb_hash) {
+    del_pset(elem->extbb_hash);
+    elem->extbb_hash = NULL;
+  }
+
+  obstack_free(&elem->recalc_cnts, NULL);
+  obstack_init(&elem->recalc_cnts);
 }
 
 /**
@@ -244,16 +257,20 @@ static graph_entry_t *graph_get_entry(ir_graph *irg, hmap_graph_entry_t *hmap)
   /* allocate a new one */
   elem = obstack_alloc(&status->cnts, sizeof(*elem));
   memset(elem, 0, sizeof(*elem));
+  obstack_init(&elem->recalc_cnts);
 
   /* clear counter */
   graph_clear_entry(elem, 1);
 
   /* new hash table for opcodes here  */
   elem->opcode_hash  = new_pset(opcode_cmp, 5);
-  elem->block_hash   = new_pset(block_cmp, 5);
   elem->address_mark = new_set(address_mark_cmp, 5);
   elem->irg          = irg;
 
+  /* these hash tables are created on demand */
+  elem->block_hash = NULL;
+  elem->extbb_hash = NULL;
+
   for (i = 0; i < sizeof(elem->opt_hash)/sizeof(elem->opt_hash[0]); ++i)
     elem->opt_hash[i] = new_pset(opt_cmp, 4);
 
@@ -314,7 +331,7 @@ static void block_clear_entry(block_entry_t *elem)
  * @param block_nr  an IR  block number
  * @param hmap      a hash map containing long -> block_entry_t
  */
-static block_entry_t *block_get_entry(long block_nr, hmap_block_entry_t *hmap)
+static block_entry_t *block_get_entry(struct obstack *obst, long block_nr, hmap_block_entry_t *hmap)
 {
   block_entry_t key;
   block_entry_t *elem;
@@ -325,7 +342,7 @@ static block_entry_t *block_get_entry(long block_nr, hmap_block_entry_t *hmap)
   if (elem)
     return elem;
 
-  elem = obstack_alloc(&status->cnts, sizeof(*elem));
+  elem = obstack_alloc(obst, sizeof(*elem));
   memset(elem, 0, sizeof(*elem));
 
   /* clear new counter */
@@ -402,48 +419,47 @@ static void undate_block_info(ir_node *node, graph_entry_t *graph)
   /* check for block */
   if (op == op_Block) {
     arity = get_irn_arity(node);
-    b_entry = block_get_entry(get_irn_node_nr(node), graph->block_hash);
+    b_entry = block_get_entry(&graph->recalc_cnts, get_irn_node_nr(node), graph->block_hash);
 
     /* count all incoming edges */
     for (i = 0; i < arity; ++i) {
       ir_node *pred = get_irn_n(node, i);
       ir_node *other_block = get_nodes_block(pred);
-      block_entry_t *b_entry_other = block_get_entry(get_irn_node_nr(other_block), graph->block_hash);
+      block_entry_t *b_entry_other = block_get_entry(&graph->recalc_cnts, get_irn_node_nr(other_block), graph->block_hash);
 
       cnt_inc(&b_entry->cnt_in_edges); /* an edge coming from another block */
       cnt_inc(&b_entry_other->cnt_out_edges);
     }
     return;
   }
-  else if (op == op_Phi && mode_is_datab(get_irn_mode(node))) {
-    /* count data Phi */
-    ir_node *block = get_nodes_block(node);
-    block_entry_t *b_entry = block_get_entry(get_irn_node_nr(block), graph->block_hash);
 
+  block   = get_nodes_block(node);
+  b_entry = block_get_entry(&graph->recalc_cnts, get_irn_node_nr(block), graph->block_hash);
+
+  if (op == op_Phi && mode_is_datab(get_irn_mode(node))) {
+    /* count data Phi per block */
     cnt_inc(&b_entry->cnt_phi_data);
   }
 
-  block   = get_nodes_block(node);
-  b_entry = block_get_entry(get_irn_node_nr(block), graph->block_hash);
-
-  /* we have a new nodes */
+  /* we have a new node in our block */
   cnt_inc(&b_entry->cnt_nodes);
 
+  /* don't count keep-alive edges */
+  if (get_irn_op(node) == op_End)
+    return;
+
   arity = get_irn_arity(node);
 
   for (i = 0; i < arity; ++i) {
     ir_node *pred = get_irn_n(node, i);
     ir_node *other_block;
 
-    if (get_irn_op(pred) == op_Block)
-      continue;
-
     other_block = get_nodes_block(pred);
 
     if (other_block == block)
       cnt_inc(&b_entry->cnt_edges);    /* a in block edge */
     else {
-      block_entry_t *b_entry_other = block_get_entry(get_irn_node_nr(other_block), graph->block_hash);
+      block_entry_t *b_entry_other = block_get_entry(&graph->recalc_cnts, get_irn_node_nr(other_block), graph->block_hash);
 
       cnt_inc(&b_entry->cnt_in_edges); /* an edge coming from another block */
       cnt_inc(&b_entry_other->cnt_out_edges);
@@ -451,6 +467,69 @@ static void undate_block_info(ir_node *node, graph_entry_t *graph)
   }
 }
 
+/**
+ * update the extended block counter
+ */
+static void undate_extbb_info(ir_node *node, graph_entry_t *graph)
+{
+  ir_op *op = get_irn_op(node);
+  ir_extblk *extbb;
+  extbb_entry_t *eb_entry;
+  int i, arity;
+
+  /* check for block */
+  if (op == op_Block) {
+    extbb = get_nodes_extbb(node);
+    arity = get_irn_arity(node);
+    eb_entry = block_get_entry(&graph->recalc_cnts, get_extbb_node_nr(extbb), graph->extbb_hash);
+
+    /* count all incoming edges */
+    for (i = 0; i < arity; ++i) {
+      ir_node *pred = get_irn_n(node, i);
+      ir_extblk *other_extbb = get_nodes_extbb(pred);
+
+      if (extbb != other_extbb) {
+        extbb_entry_t *eb_entry_other = block_get_entry(&graph->recalc_cnts, get_extbb_node_nr(other_extbb), graph->extbb_hash);
+
+        cnt_inc(&eb_entry->cnt_in_edges);      /* an edge coming from another extbb */
+        cnt_inc(&eb_entry_other->cnt_out_edges);
+      }
+    }
+    return;
+  }
+
+  extbb    = get_nodes_extbb(node);
+  eb_entry = block_get_entry(&graph->recalc_cnts, get_extbb_node_nr(extbb), graph->extbb_hash);
+
+  if (op == op_Phi && mode_is_datab(get_irn_mode(node))) {
+    /* count data Phi per extbb */
+    cnt_inc(&eb_entry->cnt_phi_data);
+  }
+
+  /* we have a new node in our block */
+  cnt_inc(&eb_entry->cnt_nodes);
+
+  /* don't count keep-alive edges */
+  if (get_irn_op(node) == op_End)
+    return;
+
+  arity = get_irn_arity(node);
+
+  for (i = 0; i < arity; ++i) {
+    ir_node *pred = get_irn_n(node, i);
+    ir_extblk *other_extbb = get_nodes_extbb(pred);
+
+    if (other_extbb == extbb)
+      cnt_inc(&eb_entry->cnt_edges);   /* a in extbb edge */
+    else {
+      extbb_entry_t *eb_entry_other = block_get_entry(&graph->recalc_cnts, get_extbb_node_nr(other_extbb), graph->extbb_hash);
+
+      cnt_inc(&eb_entry->cnt_in_edges);        /* an edge coming from another extbb */
+      cnt_inc(&eb_entry_other->cnt_out_edges);
+    }
+  }
+}
+
 /** calculates how many arguments of the call are const */
 static int cnt_const_args(ir_node *call)
 {
@@ -605,6 +684,11 @@ static void update_node_stat(ir_node *node, void *env)
   /* count block edges */
   undate_block_info(node, graph);
 
+  /* count extended block edges */
+  if (status->stat_options & FIRMSTAT_COUNT_EXTBB) {
+    undate_extbb_info(node, graph);
+  }
+
   /* handle statistics for special node types */
 
   if (op == op_Const) {
@@ -741,15 +825,27 @@ static void update_graph_stat(graph_entry_t *global, graph_entry_t *graph)
   graph->is_recursive  = 0;
   graph->is_chain_call = 1;
 
+  /* create new block counter */
+  graph->block_hash = new_pset(block_cmp, 5);
+
   /* we need dominator info */
   if (graph->irg != get_const_code_irg())
     if (get_irg_dom_state(graph->irg) != dom_consistent)
       compute_doms(graph->irg);
 
+  if (status->stat_options & FIRMSTAT_COUNT_EXTBB) {
+    /* we need extended basic blocks */
+    compute_extbb(graph->irg);
+
+    /* create new extbb counter */
+    graph->extbb_hash = new_pset(block_cmp, 5);
+  }
+
   /* count the nodes in the graph */
   irg_walk_graph(graph->irg, update_node_stat, NULL, graph);
 
 #if 0
+  /* Uncomment this code if chain-call means call exact one */
   entry = opcode_get_entry(op_Call, graph->opcode_hash);
 
   /* check if we have more than 1 call */
@@ -777,7 +873,7 @@ static void update_graph_stat(graph_entry_t *global, graph_entry_t *graph)
     ir_graph *rem = current_ir_graph;
 
     if (get_irg_outs_state(graph->irg) != outs_consistent)
-      compute_outs(graph->irg);
+      compute_irg_outs(graph->irg);
 
     /* Must be done an the outs graph */
     current_ir_graph = graph->irg;
@@ -1084,7 +1180,7 @@ static void stat_free_graph(void *ctx, ir_graph *irg)
  * @param pre  the pre walker
  * @param post the post walker
  */
-static void stat_irg_walk(void *ctx, ir_graph *irg, void *pre, void *post)
+static void stat_irg_walk(void *ctx, ir_graph *irg, generic_func *pre, generic_func *post)
 {
   if (! status->stat_options)
     return;
@@ -1106,7 +1202,7 @@ static void stat_irg_walk(void *ctx, ir_graph *irg, void *pre, void *post)
  * @param pre  the pre walker
  * @param post the post walker
  */
-static void stat_irg_walk_blkwise(void *ctx, ir_graph *irg, void *pre, void *post)
+static void stat_irg_walk_blkwise(void *ctx, ir_graph *irg, generic_func *pre, generic_func *post)
 {
   /* for now, do NOT differentiate between blockwise and normal */
   stat_irg_walk(ctx, irg, pre, post);
@@ -1121,7 +1217,7 @@ static void stat_irg_walk_blkwise(void *ctx, ir_graph *irg, void *pre, void *pos
  * @param pre  the pre walker
  * @param post the post walker
  */
-static void stat_irg_block_walk(void *ctx, ir_graph *irg, ir_node *node, void *pre, void *post)
+static void stat_irg_block_walk(void *ctx, ir_graph *irg, ir_node *node, generic_func *pre, generic_func *post)
 {
   if (! status->stat_options)
     return;
@@ -1179,7 +1275,17 @@ static void stat_merge_nodes(
 
       /* nodes might be in new and old, these are NOT removed */
       if (j >= new_num_entries) {
-        removed_due_opt(old_node_array[i], graph->opt_hash[opt]);
+        int xopt = opt;
+
+        /* sometimes we did not detect, that it is replaced by a Const */
+        if (opt == HOOK_OPT_CONFIRM && new_num_entries == 1) {
+          ir_op *op = get_irn_op(new_node_array[0]);
+
+          if (op == op_Const || op == op_SymConst)
+            xopt = HOOK_OPT_CONFIRM_C;
+        }
+
+        removed_due_opt(old_node_array[i], graph->opt_hash[xopt]);
       }
     }
   }
@@ -1289,29 +1395,19 @@ static void stat_strength_red(void *ctx, ir_graph *irg, ir_node *strong, ir_node
 }
 
 /**
- * Start the dead node elimination.
+ * Start/Stop the dead node elimination.
  *
  * @param ctx  the hook context
  */
-static void stat_dead_node_elim_start(void *ctx, ir_graph *irg)
+static void stat_dead_node_elim(void *ctx, ir_graph *irg, int start)
 {
   if (! status->stat_options)
     return;
 
-  ++status->in_dead_node_elim;
-}
-
-/**
- * Stops the dead node elimination.
- *
- * @param ctx  the hook context
- */
-static void stat_dead_node_elim_stop(void *ctx, ir_graph *irg)
-{
-  if (! status->stat_options)
-    return;
-
-  --status->in_dead_node_elim;
+  if (start)
+    ++status->in_dead_node_elim;
+  else
+    --status->in_dead_node_elim;
 }
 
 /**
@@ -1368,50 +1464,12 @@ static void stat_arch_dep_replace_mul_with_shifts(void *ctx, ir_node *mul)
 }
 
 /**
- * A division was replaced by a series of Shifts/Muls
- *
- * @param ctx  the hook context
- * @param div  the div node that will be optimized
- */
-static void stat_arch_dep_replace_div_by_const(void *ctx, ir_node *div)
-{
-  if (! status->stat_options)
-    return;
-
-  STAT_ENTER;
-  {
-    graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash);
-    removed_due_opt(div, graph->opt_hash[HOOK_OPT_ARCH_DEP]);
-  }
-  STAT_LEAVE;
-}
-
-/**
- * A modulo was replaced by a series of Shifts/Muls
- *
- * @param ctx  the hook context
- * @param mod  the mod node that will be optimized
- */
-static void stat_arch_dep_replace_mod_by_const(void *ctx, ir_node *mod)
-{
-  if (! status->stat_options)
-    return;
-
-  STAT_ENTER;
-  {
-    graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash);
-    removed_due_opt(mod, graph->opt_hash[HOOK_OPT_ARCH_DEP]);
-  }
-  STAT_LEAVE;
-}
-
-/**
- * A DivMod was replaced by a series of Shifts/Muls
+ * A division by const was replaced
  *
- * @param ctx     the hook context
- * @param divmod  the divmod node that will be optimized
+ * @param ctx   the hook context
+ * @param node  the division node that will be optimized
  */
-static void stat_arch_dep_replace_DivMod_by_const(void *ctx, ir_node *divmod)
+static void stat_arch_dep_replace_division_by_const(void *ctx, ir_node *node)
 {
   if (! status->stat_options)
     return;
@@ -1419,14 +1477,18 @@ static void stat_arch_dep_replace_DivMod_by_const(void *ctx, ir_node *divmod)
   STAT_ENTER;
   {
     graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash);
-    removed_due_opt(divmod, graph->opt_hash[HOOK_OPT_ARCH_DEP]);
+    removed_due_opt(node, graph->opt_hash[HOOK_OPT_ARCH_DEP]);
   }
   STAT_LEAVE;
 }
 
 /* Dumps a statistics snapshot */
-void stat_dump_snapshot(const char *name)
+void stat_dump_snapshot(const char *name, const char *phase)
 {
+  char fname[2048];
+  const char *p;
+  int l;
+
   if (! status->stat_options)
     return;
 
@@ -1437,13 +1499,45 @@ void stat_dump_snapshot(const char *name)
 
     /*
      * The constant counter is only global, so we clear it here.
-     * Note that it does NOT contain teh constants in DELETED
+     * Note that it does NOT contain the constants in DELETED
      * graphs due to this.
      */
     if (status->stat_options & FIRMSTAT_COUNT_CONSTS)
       stat_const_clear(status);
 
-    stat_dump_init(name);
+    /* build the name */
+    p = strrchr(name, '/');
+#ifdef _WIN32
+    {
+      const char *q;
+
+      q = strrchr(name, '\\');
+
+      /* NULL might be not the smallest pointer */
+      if (q && (!p || q > p))
+        p = q;
+    }
+#endif
+    if (p) {
+      ++p;
+      l = p - name;
+
+      if (l > sizeof(fname) - 1)
+        l = sizeof(fname) - 1;
+
+      memcpy(fname, name, l);
+      fname[l] = '\0';
+    }
+    else {
+      fname[0] = '\0';
+      p = name;
+    }
+    strncat(fname, "firmstat-", sizeof(fname));
+    strncat(fname, phase, sizeof(fname));
+    strncat(fname, "-", sizeof(fname));
+    strncat(fname, p, sizeof(fname));
+
+    stat_dump_init(fname);
 
     /* calculate the graph statistics */
     for (entry = pset_first(status->irg_hash); entry; entry = pset_next(status->irg_hash)) {
@@ -1475,8 +1569,9 @@ void stat_dump_snapshot(const char *name)
         continue;
       }
 
-      if (! entry->is_deleted || status->stat_options & FIRMSTAT_COUNT_DELETED)
+      if (! entry->is_deleted || status->stat_options & FIRMSTAT_COUNT_DELETED) {
         stat_dump_graph(entry);
+      }
 
       if (! entry->is_deleted) {
         /* clear the counter that are not accumulated */
@@ -1529,29 +1624,26 @@ void init_stat(unsigned enable_options)
   status->stat_options = enable_options & FIRMSTAT_ENABLED ? enable_options : 0;
 
   /* register all hooks */
-  HOOK(hook_new_ir_op,                        stat_new_ir_op);
-  HOOK(hook_free_ir_op,                       stat_free_ir_op);
-  HOOK(hook_new_node,                         stat_new_node);
-  HOOK(hook_turn_into_id,                     stat_turn_into_id);
-  HOOK(hook_new_graph,                        stat_new_graph);
-  HOOK(hook_free_graph,                       stat_free_graph);
-  HOOK(hook_irg_walk,                         stat_irg_walk);
-  HOOK(hook_irg_walk_blkwise,                 stat_irg_walk_blkwise);
-  HOOK(hook_irg_block_walk,                   stat_irg_block_walk);
-  HOOK(hook_merge_nodes,                      stat_merge_nodes);
-  HOOK(hook_reassociate,                      stat_reassociate);
-  HOOK(hook_lower,                            stat_lower);
-  HOOK(hook_inline,                           stat_inline);
-  HOOK(hook_tail_rec,                         stat_tail_rec);
-  HOOK(hook_strength_red,                     stat_strength_red);
-  HOOK(hook_dead_node_elim_start,             stat_dead_node_elim_start);
-  HOOK(hook_dead_node_elim_stop,              stat_dead_node_elim_stop);
-  HOOK(hook_if_conversion,                    stat_if_conversion);
-  HOOK(hook_func_call,                        stat_func_call);
-  HOOK(hook_arch_dep_replace_mul_with_shifts, stat_arch_dep_replace_mul_with_shifts);
-  HOOK(hook_arch_dep_replace_div_by_const,    stat_arch_dep_replace_div_by_const);
-  HOOK(hook_arch_dep_replace_mod_by_const,    stat_arch_dep_replace_mod_by_const);
-  HOOK(hook_arch_dep_replace_DivMod_by_const, stat_arch_dep_replace_DivMod_by_const);
+  HOOK(hook_new_ir_op,                          stat_new_ir_op);
+  HOOK(hook_free_ir_op,                         stat_free_ir_op);
+  HOOK(hook_new_node,                           stat_new_node);
+  HOOK(hook_turn_into_id,                       stat_turn_into_id);
+  HOOK(hook_new_graph,                          stat_new_graph);
+  HOOK(hook_free_graph,                         stat_free_graph);
+  HOOK(hook_irg_walk,                           stat_irg_walk);
+  HOOK(hook_irg_walk_blkwise,                   stat_irg_walk_blkwise);
+  HOOK(hook_irg_block_walk,                     stat_irg_block_walk);
+  HOOK(hook_merge_nodes,                        stat_merge_nodes);
+  HOOK(hook_reassociate,                        stat_reassociate);
+  HOOK(hook_lower,                              stat_lower);
+  HOOK(hook_inline,                             stat_inline);
+  HOOK(hook_tail_rec,                           stat_tail_rec);
+  HOOK(hook_strength_red,                       stat_strength_red);
+  HOOK(hook_dead_node_elim,                     stat_dead_node_elim);
+  HOOK(hook_if_conversion,                      stat_if_conversion);
+  HOOK(hook_func_call,                          stat_func_call);
+  HOOK(hook_arch_dep_replace_mul_with_shifts,   stat_arch_dep_replace_mul_with_shifts);
+  HOOK(hook_arch_dep_replace_division_by_const, stat_arch_dep_replace_division_by_const);
 
   obstack_init(&status->cnts);
 
@@ -1649,9 +1741,9 @@ void stat_term(void) {
 void init_stat(unsigned enable_options) {}
 
 /* Dumps a statistics snapshot */
-void stat_dump_snapshot(const char *name) {}
+void stat_dump_snapshot(const char *name, const char *phase) {}
 
-/* terminates the statustics module, frees all memory */
+/* terminates the statistics module, frees all memory */
 void stat_term(void);
 
 #endif /* FIRM_STATISTICS */