/*
- * Project: libFIRM
- * File name: ir/ir/firmstat.c
- * Purpose: Statistics for Firm.
- * Author: Michael Beck
- * Created:
- * CVS-ID: $Id$
- * Copyright: (c) 2004 Universität Karlsruhe
- * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
- */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
+ */
+
+/**
+ * @file
+ * @brief Statistics for Firm.
+ * @author Michael Beck
+ * @version $Id$
+ */
+#include "config.h"
#ifdef FIRM_STATISTICS
#include "pattern.h"
#include "dags.h"
#include "stat_dmp.h"
+#include "xmalloc.h"
+#include "irhooks.h"
/*
* need this to be static:
*/
static ir_op _op_Phi0;
-/** The PhiM, just to count memorty Phi's. */
+/** The PhiM, just to count memory Phi's. */
static ir_op _op_PhiM;
/** The Mul by Const node. */
/** The Div by Const node. */
static ir_op _op_DivModC;
+/** The Quot by Const node. */
+static ir_op _op_QuotC;
+
+/** The memory Proj node. */
+static ir_op _op_ProjM;
+
+/** A Sel of a Sel */
+static ir_op _op_SelSel;
+
+/** A Sel of a Sel of a Sel */
+static ir_op _op_SelSelSel;
+
/* ---------------------------------------------------------------------------------- */
+/** Marks the begin of a statistic (hook) function. */
#define STAT_ENTER ++status->recursive
+
+/** Marks the end of a statistic (hook) functions. */
#define STAT_LEAVE --status->recursive
+
+/** Allows to enter a statistic function only when we are not already in a hook. */
#define STAT_ENTER_SINGLE do { if (status->recursive > 0) return; ++status->recursive; } while (0)
/**
* global status
*/
-static stat_info_t _status, *status = &_status;
+static const unsigned status_disable = 0;
+static stat_info_t *status = (stat_info_t *)&status_disable;
/**
- * compare two elements of the opcode hash
+ * Compare two elements of the opcode hash.
*/
-static int opcode_cmp(const void *elt, const void *key)
-{
- const node_entry_t *e1 = elt;
- const node_entry_t *e2 = key;
+static int opcode_cmp(const void *elt, const void *key) {
+ const node_entry_t *e1 = elt;
+ const node_entry_t *e2 = key;
- return e1->op->code - e2->op->code;
-}
+ return e1->op->code - e2->op->code;
+} /* opcode_cmp */
/**
- * compare two elements of the graph hash
+ * Compare two elements of the graph hash.
*/
-static int graph_cmp(const void *elt, const void *key)
-{
- const graph_entry_t *e1 = elt;
- const graph_entry_t *e2 = key;
+static int graph_cmp(const void *elt, const void *key) {
+ const graph_entry_t *e1 = elt;
+ const graph_entry_t *e2 = key;
- return e1->irg != e2->irg;
-}
+ return e1->irg != e2->irg;
+} /* graph_cmp */
/**
- * compare two elements of the optimization hash
+ * Compare two elements of the optimization hash.
*/
-static int opt_cmp(const void *elt, const void *key)
-{
- const opt_entry_t *e1 = elt;
- const opt_entry_t *e2 = key;
+static int opt_cmp(const void *elt, const void *key) {
+ const opt_entry_t *e1 = elt;
+ const opt_entry_t *e2 = key;
- return e1->op->code != e2->op->code;
-}
+ return e1->op->code != e2->op->code;
+} /* opt_cmp */
/**
- * 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)
-{
- const block_entry_t *e1 = elt;
- const block_entry_t *e2 = key;
+static int block_cmp(const void *elt, const void *key) {
+ const block_entry_t *e1 = elt;
+ const block_entry_t *e2 = key;
- return e1->block_nr != e2->block_nr;
-}
+ /* it's enough to compare the block number */
+ return e1->block_nr != e2->block_nr;
+} /* block_cmp */
/**
- * compare two elements of the ir_op hash
+ * Compare two elements of the be_block hash.
*/
-static int opcode_cmp_2(const void *elt, const void *key)
-{
- const ir_op *e1 = elt;
- const ir_op *e2 = key;
+static int be_block_cmp(const void *elt, const void *key) {
+ const be_block_entry_t *e1 = elt;
+ const be_block_entry_t *e2 = key;
- return e1->code != e2->code;
-}
+ return e1->block_nr != e2->block_nr;
+} /* be_block_cmp */
/**
- * compare two elements of the address_mark set
+ * Compare two elements of reg pressure hash.
*/
-static int address_mark_cmp(const void *elt, const void *key, size_t size)
-{
- const address_mark_entry_t *e1 = elt;
- const address_mark_entry_t *e2 = key;
+static int reg_pressure_cmp(const void *elt, const void *key) {
+ const reg_pressure_entry_t *e1 = elt;
+ const reg_pressure_entry_t *e2 = key;
- /* compare only the nodes, the rest is used as data container */
- return e1->node != e2->node;
-}
+ return e1->class_name != e2->class_name;
+} /* reg_pressure_cmp */
/**
- * clears all counter in a node_entry_t
+ * Compare two elements of the perm_stat hash.
*/
-static void opcode_clear_entry(node_entry_t *elem)
-{
- cnt_clr(&elem->cnt_alive);
- cnt_clr(&elem->new_node);
- cnt_clr(&elem->into_Id);
-}
+static int perm_stat_cmp(const void *elt, const void *key) {
+ const perm_stat_entry_t *e1 = elt;
+ const perm_stat_entry_t *e2 = key;
+
+ return e1->perm != e2->perm;
+} /* perm_stat_cmp */
+
+/**
+ * Compare two elements of the perm_class hash.
+ */
+static int perm_class_cmp(const void *elt, const void *key) {
+ const perm_class_entry_t *e1 = elt;
+ const perm_class_entry_t *e2 = key;
+
+ return e1->class_name != e2->class_name;
+} /* perm_class_cmp */
+
+/**
+ * Compare two elements of the ir_op hash.
+ */
+static int opcode_cmp_2(const void *elt, const void *key) {
+ const ir_op *e1 = elt;
+ const ir_op *e2 = key;
+
+ return e1->code != e2->code;
+} /* opcode_cmp_2 */
+
+/**
+ * Compare two elements of the address_mark set.
+ */
+static int address_mark_cmp(const void *elt, const void *key, size_t size) {
+ const address_mark_entry_t *e1 = elt;
+ const address_mark_entry_t *e2 = key;
+ (void) size;
+
+ /* compare only the nodes, the rest is used as data container */
+ return e1->node != e2->node;
+} /* address_mark_cmp */
+
+/**
+ * Clear all counter in a node_entry_t.
+ */
+static void opcode_clear_entry(node_entry_t *elem) {
+ cnt_clr(&elem->cnt_alive);
+ cnt_clr(&elem->new_node);
+ cnt_clr(&elem->into_Id);
+} /* opcode_clear_entry */
/**
* Returns the associates node_entry_t for an ir_op
+ *
+ * @param op the IR operation
+ * @param hmap a hash map containing ir_op* -> node_entry_t*
*/
-static node_entry_t *opcode_get_entry(const ir_op *op, pset *set)
-{
- node_entry_t key;
- node_entry_t *elem;
+static node_entry_t *opcode_get_entry(const ir_op *op, hmap_node_entry_t *hmap) {
+ node_entry_t key;
+ node_entry_t *elem;
- key.op = op;
+ key.op = op;
- elem = pset_find(set, &key, op->code);
- if (elem)
- return elem;
+ elem = pset_find(hmap, &key, op->code);
+ if (elem)
+ return elem;
- elem = obstack_alloc(&status->cnts, sizeof(*elem));
+ elem = obstack_alloc(&status->cnts, sizeof(*elem));
+ memset(elem, 0, sizeof(*elem));
- /* clear counter */
- opcode_clear_entry(elem);
+ /* clear counter */
+ opcode_clear_entry(elem);
- elem->op = op;
+ elem->op = op;
- return pset_insert(set, elem, op->code);
-}
+ return pset_insert(hmap, elem, op->code);
+} /* opcode_get_entry */
/**
* Returns the associates ir_op for an opcode
+ *
+ * @param code the IR opcode
+ * @param hmap the hash map containing opcode -> ir_op*
*/
-static ir_op *opcode_find_entry(opcode code, pset *set)
-{
- ir_op key;
+static ir_op *opcode_find_entry(ir_opcode code, hmap_ir_op *hmap) {
+ ir_op key;
- key.code = code;
- return pset_find(set, &key, code);
-}
+ key.code = code;
+ return pset_find(hmap, &key, code);
+} /* opcode_find_entry */
/**
- * clears all counter in a graph_entry_t
+ * Clears all counter in a graph_entry_t.
+ *
+ * @param elem the graph entry
+ * @param all if non-zero, clears all counters, else leave accumulated ones
*/
-static void graph_clear_entry(graph_entry_t *elem, int all)
-{
- 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);
-}
+static void graph_clear_entry(graph_entry_t *elem, int all) {
+ int i;
+
+ /* clear accumulated / non-accumulated counter */
+ for (i = all ? 0 : _gcnt_non_acc; i < _gcnt_last; ++i) {
+ cnt_clr(&elem->cnt[i]);
+ } /* for */
+
+ if (elem->block_hash) {
+ del_pset(elem->block_hash);
+ elem->block_hash = NULL;
+ } /* if */
+
+ if (elem->extbb_hash) {
+ del_pset(elem->extbb_hash);
+ elem->extbb_hash = NULL;
+ } /* if */
+
+ obstack_free(&elem->recalc_cnts, NULL);
+ obstack_init(&elem->recalc_cnts);
+} /* graph_clear_entry */
/**
- * Returns the acssociates graph_entry_t for an irg
+ * Returns the associated graph_entry_t for an IR graph.
+ *
+ * @param irg the IR graph
+ * @param hmap the hash map containing ir_graph* -> graph_entry_t*
*/
-static graph_entry_t *graph_get_entry(ir_graph *irg, pset *set)
+static graph_entry_t *graph_get_entry(ir_graph *irg, hmap_graph_entry_t *hmap)
{
- graph_entry_t key;
- graph_entry_t *elem;
- int i;
+ graph_entry_t key;
+ graph_entry_t *elem;
+ size_t i;
- key.irg = irg;
+ key.irg = irg;
- elem = pset_find(set, &key, HASH_PTR(irg));
- if (elem)
- return elem;
+ elem = pset_find(hmap, &key, HASH_PTR(irg));
- /* allocate a new one */
- elem = obstack_alloc(&status->cnts, sizeof(*elem));
+ if (elem) {
+ /* create hash map backend block information */
+ if (! elem->be_block_hash)
+ elem->be_block_hash = new_pset(be_block_cmp, 5);
- /* clear counter */
- graph_clear_entry(elem, 1);
+ return elem;
+ } /* if */
- /* 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;
+ /* allocate a new one */
+ elem = obstack_alloc(&status->cnts, sizeof(*elem));
+ memset(elem, 0, sizeof(*elem));
+ obstack_init(&elem->recalc_cnts);
- for (i = 0; i < sizeof(elem->opt_hash)/sizeof(elem->opt_hash[0]); ++i)
- elem->opt_hash[i] = new_pset(opt_cmp, 4);
+ /* clear counter */
+ graph_clear_entry(elem, 1);
- return pset_insert(set, elem, HASH_PTR(irg));
-}
+ /* new hash table for opcodes here */
+ elem->opcode_hash = new_pset(opcode_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);
+
+ return pset_insert(hmap, elem, HASH_PTR(irg));
+} /* graph_get_entry */
/**
- * clears all counter in an opt_entry_t
+ * Clear all counter in an opt_entry_t.
*/
-static void opt_clear_entry(opt_entry_t *elem)
-{
- cnt_clr(&elem->count);
-}
+static void opt_clear_entry(opt_entry_t *elem) {
+ cnt_clr(&elem->count);
+} /* opt_clear_entry */
/**
- * Returns the associates opt_entry_t for an ir_op
+ * Returns the associated opt_entry_t for an IR operation.
+ *
+ * @param op the IR operation
+ * @param hmap the hash map containing ir_op* -> opt_entry_t*
*/
-static opt_entry_t *opt_get_entry(const ir_op *op, pset *set)
+static opt_entry_t *opt_get_entry(const ir_op *op, hmap_opt_entry_t *hmap)
{
- opt_entry_t key;
- opt_entry_t *elem;
+ opt_entry_t key;
+ opt_entry_t *elem;
- key.op = op;
+ key.op = op;
- elem = pset_find(set, &key, op->code);
- if (elem)
- return elem;
+ elem = pset_find(hmap, &key, op->code);
+ if (elem)
+ return elem;
- elem = obstack_alloc(&status->cnts, sizeof(*elem));
+ elem = obstack_alloc(&status->cnts, sizeof(*elem));
+ memset(elem, 0, sizeof(*elem));
- /* clear new counter */
- opt_clear_entry(elem);
+ /* clear new counter */
+ opt_clear_entry(elem);
- elem->op = op;
+ elem->op = op;
- return pset_insert(set, elem, op->code);
-}
+ return pset_insert(hmap, elem, op->code);
+} /* opt_get_entry */
/**
* clears all counter in a block_entry_t
*/
-static void block_clear_entry(block_entry_t *elem)
-{
- cnt_clr(&elem->cnt_nodes);
- cnt_clr(&elem->cnt_edges);
- cnt_clr(&elem->cnt_in_edges);
- cnt_clr(&elem->cnt_out_edges);
-}
+static void block_clear_entry(block_entry_t *elem) {
+ int i;
+
+ for (i = 0; i < _bcnt_last; ++i)
+ cnt_clr(&elem->cnt[i]);
+} /* block_clear_entry */
/**
- * Returns the associates block_entry_t for an block
+ * Returns the associated block_entry_t for an block.
+ *
+ * @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, pset *set)
+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;
-
- key.block_nr = block_nr;
+ block_entry_t key;
+ block_entry_t *elem;
- elem = pset_find(set, &key, block_nr);
- if (elem)
- return elem;
+ key.block_nr = block_nr;
- elem = obstack_alloc(&status->cnts, sizeof(*elem));
+ elem = pset_find(hmap, &key, block_nr);
+ if (elem)
+ return elem;
- /* clear new counter */
- block_clear_entry(elem);
+ elem = obstack_alloc(obst, sizeof(*elem));
+ memset(elem, 0, sizeof(*elem));
- elem->block_nr = block_nr;
+ /* clear new counter */
+ block_clear_entry(elem);
- return pset_insert(set, elem, block_nr);
-}
+ elem->block_nr = block_nr;
+ return pset_insert(hmap, elem, block_nr);
+} /* block_get_entry */
/**
- * Returns the ir_op for an IR-node,
- * handles special cases and return pseudo op codes
+ * Clear all sets in be_block_entry_t.
*/
-static ir_op *stat_get_irn_op(ir_node *node)
+static void be_block_clear_entry(be_block_entry_t *elem)
{
- ir_op *op = get_irn_op(node);
-
- if (op->code == iro_Phi && get_irn_arity(node) == 0) {
- /* special case, a Phi0 node, count on extra counter */
- op = status->op_Phi0;
- }
- else if (op->code == iro_Phi && get_irn_mode(node) == mode_M) {
- /* special case, a Memory Phi node, count on extra counter */
- op = status->op_PhiM;
- }
- else if (op->code == iro_Mul &&
- (get_irn_op(get_Mul_left(node)) == op_Const || get_irn_op(get_Mul_right(node)) == op_Const)) {
- /* special case, a Multiply by a const, count on extra counter */
- op = status->op_MulC ? status->op_MulC : op_Mul;
- }
- else if (op->code == iro_Div && get_irn_op(get_Div_right(node)) == op_Const) {
- /* special case, a division by a const, count on extra counter */
- op = status->op_DivC ? status->op_DivC : op_Div;
- }
- else if (op->code == iro_Mod && get_irn_op(get_Mod_right(node)) == op_Const) {
- /* special case, a module by a const, count on extra counter */
- op = status->op_ModC ? status->op_ModC : op_Mod;
- }
- else if (op->code == iro_DivMod && get_irn_op(get_DivMod_right(node)) == op_Const) {
- /* special case, a division/modulo by a const, count on extra counter */
- op = status->op_DivModC ? status->op_DivModC : op_DivMod;
- }
-
- return op;
-}
+ if (elem->reg_pressure)
+ del_pset(elem->reg_pressure);
+
+ if (elem->sched_ready)
+ stat_delete_distrib_tbl(elem->sched_ready);
+
+ if (elem->perm_class_stat)
+ del_pset(elem->perm_class_stat);
+
+ elem->reg_pressure = new_pset(reg_pressure_cmp, 5);
+ elem->sched_ready = stat_new_int_distrib_tbl();
+ elem->perm_class_stat = new_pset(perm_class_cmp, 5);
+} /* be_block_clear_entry */
/**
- * update the block counter
+ * Returns the associated be_block_entry_t for an block.
+ *
+ * @param block_nr an IR block number
+ * @param hmap a hash map containing long -> be_block_entry_t
*/
-static void count_block_info(ir_node *node, graph_entry_t *graph)
+static be_block_entry_t *be_block_get_entry(struct obstack *obst, long block_nr, hmap_be_block_entry_t *hmap)
{
- ir_op *op = get_irn_op(node);
- ir_node *block;
- block_entry_t *b_entry;
- int i, arity;
-
- /* 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);
-
- /* 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);
-
- cnt_inc(&b_entry->cnt_in_edges); /* an edge coming from another block */
- cnt_inc(&b_entry_other->cnt_out_edges);
- }
- return;
- }
-
- block = get_nodes_block(node);
- b_entry = block_get_entry(get_irn_node_nr(block), graph->block_hash);
-
- /* we have a new nodes */
- cnt_inc(&b_entry->cnt_nodes);
-
- 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);
-
- cnt_inc(&b_entry->cnt_in_edges); /* an edge coming from another block */
- cnt_inc(&b_entry_other->cnt_out_edges);
- }
- }
-}
+ be_block_entry_t key;
+ be_block_entry_t *elem;
+
+ key.block_nr = block_nr;
+
+ elem = pset_find(hmap, &key, block_nr);
+ if (elem)
+ return elem;
+
+ elem = obstack_alloc(obst, sizeof(*elem));
+ memset(elem, 0, sizeof(*elem));
+
+ /* clear new counter */
+ be_block_clear_entry(elem);
+
+ elem->block_nr = block_nr;
+
+ return pset_insert(hmap, elem, block_nr);
+} /* be_block_get_entry */
/**
- * update info on calls
+ * clears all sets in perm_class_entry_t
*/
-static void update_call_stat(ir_node *call, graph_entry_t *graph)
-{
- ir_node *block = get_nodes_block(call);
- ir_node *ptr = get_Call_ptr(call);
- entity *ent = NULL;
-
- /*
- * If the block is bad, the whole subgraph will colabse later
- * so do not count this call.
- * This happens in dead code
- */
- if (is_Bad(block))
- return;
-
- 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);
- 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;
- }
-}
+static void perm_class_clear_entry(perm_class_entry_t *elem) {
+ if (elem->perm_stat)
+ del_pset(elem->perm_stat);
+
+ elem->perm_stat = new_pset(perm_stat_cmp, 5);
+} /* perm_class_clear_entry */
/**
- * walker for reachable nodes count
+ * Returns the associated perm_class entry for a register class.
+ *
+ * @param class_name the register class name
+ * @param hmap a hash map containing class_name -> perm_class_entry_t
*/
-static void update_node_stat(ir_node *node, void *env)
+static perm_class_entry_t *perm_class_get_entry(struct obstack *obst, const char *class_name,
+ hmap_perm_class_entry_t *hmap)
{
- graph_entry_t *graph = env;
- node_entry_t *entry;
+ perm_class_entry_t key;
+ perm_class_entry_t *elem;
- ir_op *op = stat_get_irn_op(node);
- int arity = get_irn_arity(node);
+ key.class_name = class_name;
- entry = opcode_get_entry(op, graph->opcode_hash);
+ elem = pset_find(hmap, &key, HASH_PTR(class_name));
+ if (elem)
+ return elem;
- cnt_inc(&entry->cnt_alive);
- cnt_add_i(&graph->cnt_edges, arity);
+ elem = obstack_alloc(obst, sizeof(*elem));
+ memset(elem, 0, sizeof(*elem));
- /* count block edges */
- count_block_info(node, graph);
+ /* clear new counter */
+ perm_class_clear_entry(elem);
- /* check for properties that depends on calls like recursion/leaf/indirect call */
- if (get_irn_op(node) == op_Call)
- update_call_stat(node, graph);
-}
+ elem->class_name = class_name;
+
+ return pset_insert(hmap, elem, HASH_PTR(class_name));
+} /* perm_class_get_entry */
/**
- * get the current address mark
+ * clears all sets in perm_stat_entry_t
*/
-static unsigned get_adr_mark(graph_entry_t *graph, ir_node *node)
-{
- address_mark_entry_t *value = set_find(graph->address_mark, &node, sizeof(*value), HASH_PTR(node));
+static void perm_stat_clear_entry(perm_stat_entry_t *elem) {
+ if (elem->chains)
+ stat_delete_distrib_tbl(elem->chains);
- return value ? value->mark : 0;
-}
+ if (elem->cycles)
+ stat_delete_distrib_tbl(elem->cycles);
+
+ elem->chains = stat_new_int_distrib_tbl();
+ elem->cycles = stat_new_int_distrib_tbl();
+} /* perm_stat_clear_entry */
/**
- * set the current address mark
+ * Returns the associated perm_stat entry for a perm.
+ *
+ * @param perm the perm node
+ * @param hmap a hash map containing perm -> perm_stat_entry_t
*/
-static void set_adr_mark(graph_entry_t *graph, ir_node *node, unsigned val)
+static perm_stat_entry_t *perm_stat_get_entry(struct obstack *obst, ir_node *perm, hmap_perm_stat_entry_t *hmap)
{
- address_mark_entry_t *value = set_insert(graph->address_mark, &node, sizeof(*value), HASH_PTR(node));
+ perm_stat_entry_t key;
+ perm_stat_entry_t *elem;
- value->mark = val;
-}
+ key.perm = perm;
+
+ elem = pset_find(hmap, &key, HASH_PTR(perm));
+ if (elem)
+ return elem;
+
+ elem = obstack_alloc(obst, sizeof(*elem));
+ memset(elem, 0, sizeof(*elem));
+
+ /* clear new counter */
+ perm_stat_clear_entry(elem);
+
+ elem->perm = perm;
+
+ return pset_insert(hmap, elem, HASH_PTR(perm));
+} /* perm_stat_get_entry */
/**
- * a vcg attribute hook
+ * Clear optimizations counter,
*/
-static int stat_adr_mark_hook(FILE *F, ir_node *node, ir_node *local)
-{
- ir_node *n = local ? local : node;
- ir_graph *irg = get_irn_irg(n);
- graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
- unsigned mark = get_adr_mark(graph, n);
-
- if (mark & MARK_ADDRESS_CALC)
- fprintf(F, "color: purple");
- else if ((mark & (MARK_REF_ADR | MARK_REF_NON_ADR)) == MARK_REF_ADR)
- fprintf(F, "color: pink");
- else if ((mark & (MARK_REF_ADR | MARK_REF_NON_ADR)) == (MARK_REF_ADR|MARK_REF_NON_ADR))
- fprintf(F, "color: lightblue");
- else
- return 0;
-
- /* I know the color! */
- return 1;
+static void clear_optimization_counter(void) {
+ int i;
+ for (i = 0; i < FS_OPT_MAX; ++i)
+ cnt_clr(&status->num_opts[i]);
}
/**
- * walker that marks every node that is an address calculation
+ * Returns the ir_op for an IR-node,
+ * handles special cases and return pseudo op codes.
*
- * predecessor nodes must be visited first. We ensure this by
- * calling in in the post of an outs walk. This should work even in cycles,
- * while the pre in a normal walk will not.
+ * @param none an IR node
*/
-static void mark_address_calc(ir_node *node, void *env)
+static ir_op *stat_get_irn_op(ir_node *node)
{
- graph_entry_t *graph = env;
- ir_mode *mode = get_irn_mode(node);
- int i, n;
- unsigned mark_preds = MARK_REF_NON_ADR;
-
- if (! mode_is_numP(mode))
- return;
-
- if (mode_is_reference(mode)) {
- /* a reference is calculated here, we are sure */
- set_adr_mark(graph, node, MARK_ADDRESS_CALC);
-
- mark_preds = MARK_REF_ADR;
- }
- else {
- unsigned mark = get_adr_mark(graph, node);
-
- if ((mark & (MARK_REF_ADR | MARK_REF_NON_ADR)) == MARK_REF_ADR) {
- /*
- * this node has not an reference mode, but is only
- * referenced by address calculations
- */
- mark_preds = MARK_REF_ADR;
- }
- }
-
- /* mark all predecessors */
- for (i = 0, n = get_irn_arity(node); i < n; ++i) {
- ir_node *pred = get_irn_n(node, i);
-
- set_adr_mark(graph, pred, get_adr_mark(graph, pred) | mark_preds);
- }
-}
+ ir_op *op = get_irn_op(node);
+ ir_opcode opc = op->code;
+
+ switch (opc) {
+ case iro_Phi:
+ if (get_irn_arity(node) == 0) {
+ /* special case, a Phi0 node, count on extra counter */
+ op = status->op_Phi0 ? status->op_Phi0 : op;
+ } else if (get_irn_mode(node) == mode_M) {
+ /* special case, a Memory Phi node, count on extra counter */
+ op = status->op_PhiM ? status->op_PhiM : op;
+ } /* if */
+ break;
+ case iro_Proj:
+ if (get_irn_mode(node) == mode_M) {
+ /* special case, a Memory Proj node, count on extra counter */
+ op = status->op_ProjM ? status->op_ProjM : op;
+ } /* if */
+ break;
+ case iro_Mul:
+ if (is_Const(get_Mul_left(node)) || is_Const(get_Mul_right(node))) {
+ /* special case, a Multiply by a const, count on extra counter */
+ op = status->op_MulC ? status->op_MulC : op;
+ } /* if */
+ break;
+ case iro_Div:
+ if (is_Const(get_Div_right(node))) {
+ /* special case, a division by a const, count on extra counter */
+ op = status->op_DivC ? status->op_DivC : op;
+ } /* if */
+ break;
+ case iro_Mod:
+ if (is_Const(get_Mod_right(node))) {
+ /* special case, a module by a const, count on extra counter */
+ op = status->op_ModC ? status->op_ModC : op;
+ } /* if */
+ break;
+ case iro_DivMod:
+ if (is_Const(get_DivMod_right(node))) {
+ /* special case, a division/modulo by a const, count on extra counter */
+ op = status->op_DivModC ? status->op_DivModC : op;
+ } /* if */
+ break;
+ case iro_Quot:
+ if (is_Const(get_Quot_right(node))) {
+ /* special case, a floating point division by a const, count on extra counter */
+ op = status->op_QuotC ? status->op_QuotC : op;
+ } /* if */
+ break;
+ case iro_Sel:
+ if (is_Sel(get_Sel_ptr(node))) {
+ /* special case, a Sel of a Sel, count on extra counter */
+ op = status->op_SelSel ? status->op_SelSel : op;
+ if (is_Sel(get_Sel_ptr(get_Sel_ptr(node)))) {
+ /* special case, a Sel of a Sel of a Sel, count on extra counter */
+ op = status->op_SelSelSel ? status->op_SelSelSel : op;
+ } /* if */
+ } /* if */
+ break;
+ default:
+ ;
+ } /* switch */
+
+ return op;
+} /* stat_get_irn_op */
/**
- * called for every graph when the graph is either deleted or stat_finish()
- * is called, must recalculate all statistic info
+ * update the block counter
*/
-static void update_graph_stat(graph_entry_t *global, graph_entry_t *graph)
+static void undate_block_info(ir_node *node, graph_entry_t *graph)
{
- node_entry_t *entry;
+ ir_op *op = get_irn_op(node);
+ ir_node *block;
+ block_entry_t *b_entry;
+ int i, arity;
+
+ /* check for block */
+ if (op == op_Block) {
+ arity = get_irn_arity(node);
+ b_entry = block_get_entry(&graph->recalc_cnts, get_irn_node_nr(node), graph->block_hash);
+ /* mark start end block to allow to filter them out */
+ if (node == get_irg_start_block(graph->irg))
+ b_entry->is_start = 1;
+ else if (node == get_irg_end_block(graph->irg))
+ b_entry->is_end = 1;
+
+ /* 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(&graph->recalc_cnts, get_irn_node_nr(other_block), graph->block_hash);
+
+ cnt_inc(&b_entry->cnt[bcnt_in_edges]); /* an edge coming from another block */
+ cnt_inc(&b_entry_other->cnt[bcnt_out_edges]);
+ } /* for */
+ return;
+ } /* if */
+
+ 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[bcnt_phi_data]);
+ } /* if */
+
+ /* we have a new node in our block */
+ cnt_inc(&b_entry->cnt[bcnt_nodes]);
+
+ /* don't count keep-alive edges */
+ if (is_End(node))
+ return;
+
+ arity = get_irn_arity(node);
+
+ for (i = 0; i < arity; ++i) {
+ ir_node *pred = get_irn_n(node, i);
+ ir_node *other_block;
+
+ other_block = get_nodes_block(pred);
+
+ if (other_block == block)
+ cnt_inc(&b_entry->cnt[bcnt_edges]); /* a in block edge */
+ else {
+ 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[bcnt_in_edges]); /* an edge coming from another block */
+ cnt_inc(&b_entry_other->cnt[bcnt_out_edges]);
+ } /* if */
+ } /* for */
+} /* undate_block_info */
- /* clear first the alive counter in the graph */
- for (entry = pset_first(graph->opcode_hash); entry; entry = pset_next(graph->opcode_hash)) {
- cnt_clr(&entry->cnt_alive);
- }
+/**
+ * Update the extended block counter.
+ */
+static void update_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[bcnt_in_edges]); /* an edge coming from another extbb */
+ cnt_inc(&eb_entry_other->cnt[bcnt_out_edges]);
+ } /* if */
+ } /* for */
+ return;
+ } /* if */
+
+ 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[bcnt_phi_data]);
+ } /* if */
+
+ /* we have a new node in our block */
+ cnt_inc(&eb_entry->cnt[bcnt_nodes]);
+
+ /* don't count keep-alive edges */
+ if (is_End(node))
+ 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[bcnt_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[bcnt_in_edges]); /* an edge coming from another extbb */
+ cnt_inc(&eb_entry_other->cnt[bcnt_out_edges]);
+ } /* if */
+ } /* for */
+} /* update_extbb_info */
- /* set pessimistic values */
- graph->is_leaf = 1;
- graph->is_recursive = 0;
- graph->is_chain_call = 1;
+/**
+ * Calculates how many arguments of the call are const, updates
+ * param distribution.
+ */
+static void analyse_params_of_Call(graph_entry_t *graph, ir_node *call) {
+ int i, num_const_args = 0, num_local_adr = 0;
+ int n = get_Call_n_params(call);
- /* we need dominator info */
- if (graph->irg != get_const_code_irg())
- if (get_irg_dom_state(graph->irg) != dom_consistent)
- compute_doms(graph->irg);
+ for (i = 0; i < n; ++i) {
+ ir_node *param = get_Call_param(call, i);
- /* count the nodes in the graph */
- irg_walk_graph(graph->irg, update_node_stat, NULL, graph);
+ if (is_irn_constlike(param))
+ ++num_const_args;
+ else if (is_Sel(param)) {
+ ir_node *base = param;
-#if 0
- entry = opcode_get_entry(op_Call, graph->opcode_hash);
+ do {
+ base = get_Sel_ptr(base);
+ } while (is_Sel(base));
- /* check if we have more than 1 call */
- if (cnt_gt(entry->cnt_alive, 1))
- graph->is_chain_call = 0;
-#endif
+ if (base == get_irg_frame(current_ir_graph))
+ ++num_local_adr;
+ }
- /* recursive functions are never chain calls, leafs don't have calls */
- if (graph->is_recursive || graph->is_leaf)
- graph->is_chain_call = 0;
+ } /* for */
- /* 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)) {
- node_entry_t *g_entry = opcode_get_entry(entry->op, global->opcode_hash);
+ if (num_const_args > 0)
+ cnt_inc(&graph->cnt[gcnt_call_with_cnst_arg]);
+ if (num_const_args == n)
+ cnt_inc(&graph->cnt[gcnt_call_with_all_cnst_arg]);
+ if (num_local_adr > 0)
+ cnt_inc(&graph->cnt[gcnt_call_with_local_adr]);
- /* update the node counter */
- cnt_add(&g_entry->cnt_alive, &entry->cnt_alive);
- }
+ stat_inc_int_distrib_tbl(status->dist_param_cnt, n);
+} /* analyse_params_of_Call */
- /* update the edge counter */
- cnt_add(&global->cnt_edges, &graph->cnt_edges);
+/**
+ * Update info on calls.
+ *
+ * @param call The call
+ * @param graph The graph entry containing the call
+ */
+static void stat_update_call(ir_node *call, graph_entry_t *graph)
+{
+ ir_node *block = get_nodes_block(call);
+ ir_node *ptr = get_Call_ptr(call);
+ ir_entity *ent = NULL;
+ ir_graph *callee = NULL;
+
+ /*
+ * If the block is bad, the whole subgraph will collapse later
+ * so do not count this call.
+ * This happens in dead code.
+ */
+ if (is_Bad(block))
+ return;
+
+ cnt_inc(&graph->cnt[gcnt_all_calls]);
+
+ /* found a call, this function is not a leaf */
+ graph->is_leaf = 0;
+
+ if (is_SymConst(ptr)) {
+ if (get_SymConst_kind(ptr) == symconst_addr_ent) {
+ /* ok, we seems to know the entity */
+ ent = get_SymConst_entity(ptr);
+ callee = get_entity_irg(ent);
+
+ /* it is recursive, if it calls at least once */
+ if (callee == graph->irg)
+ graph->is_recursive = 1;
+ if (callee == NULL)
+ cnt_inc(&graph->cnt[gcnt_external_calls]);
+ } /* if */
+ } else {
+ /* indirect call, be could not predict */
+ cnt_inc(&graph->cnt[gcnt_indirect_calls]);
+
+ /* NOT a leaf call */
+ graph->is_leaf_call = LCS_NON_LEAF_CALL;
+ } /* if */
+
+ /* 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);
+ 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;
+ } /* for */
+
+ if (curr != block)
+ graph->is_chain_call = 0;
+ }
+
+ /* check, if the callee is a leaf */
+ if (callee) {
+ graph_entry_t *called = graph_get_entry(callee, status->irg_hash);
+
+ if (called->is_analyzed) {
+ if (! called->is_leaf)
+ graph->is_leaf_call = LCS_NON_LEAF_CALL;
+ } /* if */
+ } /* if */
+
+ analyse_params_of_Call(graph, call);
+} /* stat_update_call */
- /* count the number of address calculation */
- if (graph->irg != get_const_code_irg()) {
- ir_graph *rem = current_ir_graph;
+/**
+ * Update info on calls for graphs on the wait queue.
+ */
+static void stat_update_call_2(ir_node *call, graph_entry_t *graph)
+{
+ ir_node *block = get_nodes_block(call);
+ ir_node *ptr = get_Call_ptr(call);
+ ir_entity *ent = NULL;
+ ir_graph *callee = NULL;
+
+ /*
+ * If the block is bad, the whole subgraph will collapse later
+ * so do not count this call.
+ * This happens in dead code.
+ */
+ if (is_Bad(block))
+ return;
+
+ if (is_SymConst(ptr)) {
+ if (get_SymConst_kind(ptr) == symconst_addr_ent) {
+ /* ok, we seems to know the entity */
+ ent = get_SymConst_entity(ptr);
+ callee = get_entity_irg(ent);
+ } /* if */
+ } /* if */
+
+ /* check, if the callee is a leaf */
+ if (callee) {
+ graph_entry_t *called = graph_get_entry(callee, status->irg_hash);
+
+ assert(called->is_analyzed);
+
+ if (! called->is_leaf)
+ graph->is_leaf_call = LCS_NON_LEAF_CALL;
+ } else
+ graph->is_leaf_call = LCS_NON_LEAF_CALL;
+} /* stat_update_call_2 */
- if (get_irg_outs_state(graph->irg) != outs_consistent)
- compute_outs(graph->irg);
+/**
+ * Find the base address and entity of an Sel node.
+ *
+ * @param sel the node
+ *
+ * @return the base address.
+ */
+static ir_node *find_base_adr(ir_node *sel) {
+ ir_node *ptr = get_Sel_ptr(sel);
- /* Must be done an the outs graph */
- current_ir_graph = graph->irg;
- irg_out_walk(get_irg_start(graph->irg), NULL, mark_address_calc, graph);
- current_ir_graph = rem;
+ while (is_Sel(ptr)) {
+ sel = ptr;
+ ptr = get_Sel_ptr(sel);
+ }
+ return ptr;
+} /* find_base_adr */
-#if 0
- set_dump_node_vcgattr_hook(stat_adr_mark_hook);
- dump_ir_block_graph(graph->irg, "-adr");
- set_dump_node_vcgattr_hook(NULL);
-#endif
- }
-}
+/**
+ * Update info on Load/Store address statistics.
+ */
+static void stat_update_address(ir_node *node, graph_entry_t *graph) {
+ ir_opcode opc = get_irn_opcode(node);
+ ir_node *base;
+ ir_graph *irg;
+
+ switch (opc) {
+ case iro_SymConst:
+ /* a global address */
+ cnt_inc(&graph->cnt[gcnt_global_adr]);
+ break;
+ case iro_Sel:
+ base = find_base_adr(node);
+ irg = current_ir_graph;
+ if (base == get_irg_tls(irg)) {
+ /* a TLS variable, like a global. */
+ cnt_inc(&graph->cnt[gcnt_global_adr]);
+ } else if (base == get_irg_frame(irg)) {
+ /* a local Variable. */
+ cnt_inc(&graph->cnt[gcnt_local_adr]);
+ } else {
+ /* Pointer access */
+ if (is_Proj(base) && skip_Proj(get_Proj_pred(base)) == get_irg_start(irg)) {
+ /* pointer access through parameter, check for THIS */
+ ir_entity *ent = get_irg_entity(irg);
+
+ if (ent != NULL) {
+ ir_type *ent_tp = get_entity_type(ent);
+
+ if (get_method_calling_convention(ent_tp) & cc_this_call) {
+ if (get_Proj_proj(base) == 0) {
+ /* THIS pointer */
+ cnt_inc(&graph->cnt[gcnt_this_adr]);
+ goto end_parameter;
+ } /* if */
+ } /* if */
+ } /* if */
+ /* other parameter */
+ cnt_inc(&graph->cnt[gcnt_param_adr]);
+end_parameter: ;
+ } else {
+ /* unknown Pointer access */
+ cnt_inc(&graph->cnt[gcnt_other_adr]);
+ } /* if */
+ } /* if */
+ default:
+ ;
+ } /* switch */
+} /* stat_update_address */
/**
- * register a dumper
+ * Walker for reachable nodes count.
*/
-static void stat_register_dumper(const dumper_t *dumper)
+static void update_node_stat(ir_node *node, void *env)
{
- dumper_t *p = malloc(sizeof(*p));
+ graph_entry_t *graph = env;
+ node_entry_t *entry;
+
+ ir_op *op = stat_get_irn_op(node);
+ int i, arity = get_irn_arity(node);
+
+ entry = opcode_get_entry(op, graph->opcode_hash);
+
+ cnt_inc(&entry->cnt_alive);
+ cnt_add_i(&graph->cnt[gcnt_edges], arity);
+
+ /* count block edges */
+ undate_block_info(node, graph);
+
+ /* count extended block edges */
+ if (status->stat_options & FIRMSTAT_COUNT_EXTBB) {
+ if (graph->irg != get_const_code_irg())
+ update_extbb_info(node, graph);
+ } /* if */
+
+ /* handle statistics for special node types */
+
+ switch (op->code) {
+ case iro_Call:
+ /* check for properties that depends on calls like recursion/leaf/indirect call */
+ stat_update_call(node, graph);
+ break;
+ case iro_Load:
+ /* check address properties */
+ stat_update_address(get_Load_ptr(node), graph);
+ break;
+ case iro_Store:
+ /* check address properties */
+ stat_update_address(get_Store_ptr(node), graph);
+ break;
+ case iro_Phi:
+ /* check for non-strict Phi nodes */
+ for (i = arity - 1; i >= 0; --i) {
+ ir_node *pred = get_Phi_pred(node, i);
+ if (is_Unknown(pred)) {
+ /* found an Unknown predecessor, graph is not strict */
+ graph->is_strict = 0;
+ break;
+ }
+ }
+ default:
+ ;
+ } /* switch */
+
+ /* we want to count the constant IN nodes, not the CSE'ed constant's itself */
+ if (status->stat_options & FIRMSTAT_COUNT_CONSTS) {
+ int i;
+
+ for (i = get_irn_arity(node) - 1; i >= 0; --i) {
+ ir_node *pred = get_irn_n(node, i);
+
+ if (is_Const(pred)) {
+ /* check properties of constants */
+ stat_update_const(status, pred, graph);
+ } /* if */
+ } /* for */
+ } /* if */
+} /* update_node_stat */
- if (p) {
- *p = *dumper;
-
- p->next = status->dumper;
- p->status = status;
- status->dumper = p;
- }
+/**
+ * Walker for reachable nodes count for graphs on the wait_q.
+ */
+static void update_node_stat_2(ir_node *node, void *env) {
+ graph_entry_t *graph = env;
- /* FIXME: memory leak */
-}
+ /* check for properties that depends on calls like recursion/leaf/indirect call */
+ if (is_Call(node))
+ stat_update_call_2(node, graph);
+} /* update_node_stat_2 */
/**
- * dumps an irg
+ * Get the current address mark.
*/
-static void stat_dump_graph(graph_entry_t *entry)
-{
- dumper_t *dumper;
+static unsigned get_adr_mark(graph_entry_t *graph, ir_node *node) {
+ address_mark_entry_t *value = set_find(graph->address_mark, &node, sizeof(*value), HASH_PTR(node));
- for (dumper = status->dumper; dumper; dumper = dumper->next) {
- if (dumper->dump_graph)
- dumper->dump_graph(dumper, entry);
- }
-}
+ return value ? value->mark : 0;
+} /* get_adr_mark */
/**
- * initialise the dumper
+ * Set the current address mark.
*/
-static void stat_dump_init(const char *name)
-{
- dumper_t *dumper;
+static void set_adr_mark(graph_entry_t *graph, ir_node *node, unsigned val) {
+ address_mark_entry_t *value = set_insert(graph->address_mark, &node, sizeof(*value), HASH_PTR(node));
- for (dumper = status->dumper; dumper; dumper = dumper->next) {
- if (dumper->init)
- dumper->init(dumper, name);
- }
-}
+ value->mark = val;
+} /* set_adr_mark */
+
+#undef DUMP_ADR_MODE
+#ifdef DUMP_ADR_MODE
/**
- * finish the dumper
+ * a vcg attribute hook: Color a node with a different color if
+ * it's identified as a part of an address expression or at least referenced
+ * by an address expression.
*/
-static void stat_dump_finish(void)
+static int stat_adr_mark_hook(FILE *F, ir_node *node, ir_node *local)
{
- dumper_t *dumper;
+ ir_node *n = local ? local : node;
+ ir_graph *irg = get_irn_irg(n);
+ graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
+ unsigned mark = get_adr_mark(graph, n);
+
+ if (mark & MARK_ADDRESS_CALC)
+ fprintf(F, "color: purple");
+ else if ((mark & (MARK_REF_ADR | MARK_REF_NON_ADR)) == MARK_REF_ADR)
+ fprintf(F, "color: pink");
+ else if ((mark & (MARK_REF_ADR | MARK_REF_NON_ADR)) == (MARK_REF_ADR|MARK_REF_NON_ADR))
+ fprintf(F, "color: lightblue");
+ else
+ return 0;
+
+ /* I know the color! */
+ return 1;
+} /* stat_adr_mark_hook */
+#endif /* DUMP_ADR_MODE */
- for (dumper = status->dumper; dumper; dumper = dumper->next) {
- if (dumper->finish)
- dumper->finish(dumper);
- }
-}
+/**
+ * Return the "operational" mode of a Firm node.
+ */
+static ir_mode *get_irn_op_mode(ir_node *node) {
+ switch (get_irn_opcode(node)) {
+ case iro_Load:
+ return get_Load_mode(node);
+ case iro_Store:
+ return get_irn_mode(get_Store_value(node));
+ case iro_DivMod:
+ return get_irn_mode(get_DivMod_left(node));
+ case iro_Div:
+ return get_irn_mode(get_Div_left(node));
+ case iro_Mod:
+ return get_irn_mode(get_Mod_left(node));
+ case iro_Cmp:
+ /* Cmp is no address calculation, or is it? */
+ default:
+ return get_irn_mode(node);
+ } /* switch */
+} /* get_irn_op_mode */
-/* ---------------------------------------------------------------------- */
+/**
+ * Post-walker that marks every node that is an address calculation.
+ *
+ * Users of a node must be visited first. We ensure this by
+ * calling it in the post of an outs walk. This should work even in cycles,
+ * while the normal pre-walk will not.
+ */
+static void mark_address_calc(ir_node *node, void *env) {
+ graph_entry_t *graph = env;
+ ir_mode *mode = get_irn_op_mode(node);
+ int i, n;
+ unsigned mark_preds = MARK_REF_NON_ADR;
+
+ if (! mode_is_data(mode))
+ return;
+
+ if (mode_is_reference(mode)) {
+ /* a reference is calculated here, we are sure */
+ set_adr_mark(graph, node, MARK_ADDRESS_CALC);
+
+ mark_preds = MARK_REF_ADR;
+ } else {
+ unsigned mark = get_adr_mark(graph, node);
+
+ if ((mark & (MARK_REF_ADR | MARK_REF_NON_ADR)) == MARK_REF_ADR) {
+ /*
+ * this node has no reference mode, but is only
+ * referenced by address calculations
+ */
+ mark_preds = MARK_REF_ADR;
+ } /* if */
+ } /* if */
+
+ /* mark all predecessors */
+ for (i = 0, n = get_irn_arity(node); i < n; ++i) {
+ ir_node *pred = get_irn_n(node, i);
+
+ mode = get_irn_op_mode(pred);
+ if (! mode_is_data(mode))
+ continue;
+
+ set_adr_mark(graph, pred, get_adr_mark(graph, pred) | mark_preds);
+ } /* for */
+} /* mark_address_calc */
-/*
- * helper: get an ir_op from an opcode
+/**
+ * Post-walker that marks every node that is an address calculation.
+ *
+ * Users of a node must be visited first. We ensure this by
+ * calling it in the post of an outs walk. This should work even in cycles,
+ * while the normal pre-walk will not.
*/
-ir_op *stat_get_op_from_opcode(opcode code)
-{
- return opcode_find_entry(code, status->ir_op_hash);
-}
+static void count_adr_ops(ir_node *node, void *env) {
+ graph_entry_t *graph = env;
+ unsigned mark = get_adr_mark(graph, node);
+
+ if (mark & MARK_ADDRESS_CALC)
+ cnt_inc(&graph->cnt[gcnt_pure_adr_ops]);
+ else if ((mark & (MARK_REF_ADR | MARK_REF_NON_ADR)) == MARK_REF_ADR)
+ cnt_inc(&graph->cnt[gcnt_pure_adr_ops]);
+ else if ((mark & (MARK_REF_ADR | MARK_REF_NON_ADR)) == (MARK_REF_ADR|MARK_REF_NON_ADR))
+ cnt_inc(&graph->cnt[gcnt_all_adr_ops]);
+} /* count_adr_ops */
-/* initialize the statistics module. */
-void init_stat(unsigned enable_options)
+/**
+ * Called for every graph when the graph is either deleted or stat_dump_snapshot()
+ * is called, must recalculate all statistic info.
+ *
+ * @param global The global entry
+ * @param graph The current entry
+ */
+static void update_graph_stat(graph_entry_t *global, graph_entry_t *graph)
{
-#define X(a) a, sizeof(a)-1
+ node_entry_t *entry;
+ int i;
- /* enable statistics */
- status->enable = enable_options & FIRMSTAT_ENABLED;
+ /* clear first the alive counter in the graph */
+ foreach_pset(graph->opcode_hash, entry) {
+ cnt_clr(&entry->cnt_alive);
+ } /* foreach_pset */
- if (! status->enable)
- return;
+ /* set pessimistic values */
+ graph->is_leaf = 1;
+ graph->is_leaf_call = LCS_UNKNOWN;
+ graph->is_recursive = 0;
+ graph->is_chain_call = 1;
+ graph->is_strict = 1;
- obstack_init(&status->cnts);
+ /* create new block counter */
+ graph->block_hash = new_pset(block_cmp, 5);
- /* create the hash-tables */
- status->irg_hash = new_pset(graph_cmp, 8);
- status->ir_op_hash = new_pset(opcode_cmp_2, 1);
+ /* we need dominator info */
+ if (graph->irg != get_const_code_irg()) {
+ assure_doms(graph->irg);
- status->op_Phi0 = &_op_Phi0;
- status->op_PhiM = &_op_PhiM;
+ if (status->stat_options & FIRMSTAT_COUNT_EXTBB) {
+ /* we need extended basic blocks */
+ compute_extbb(graph->irg);
- if (enable_options & FIRMSTAT_COUNT_STRONG_OP) {
- /* build the pseudo-ops */
- _op_Phi0.code = get_next_ir_opcode();
- _op_Phi0.name = new_id_from_chars(X("Phi0"));
+ /* create new extbb counter */
+ graph->extbb_hash = new_pset(block_cmp, 5);
+ } /* if */
+ } /* if */
- _op_PhiM.code = get_next_ir_opcode();
- _op_PhiM.name = new_id_from_chars(X("PhiM"));
+ /* count the nodes in the graph */
+ irg_walk_graph(graph->irg, update_node_stat, NULL, graph);
- _op_MulC.code = get_next_ir_opcode();
- _op_MulC.name = new_id_from_chars(X("MulC"));
+#if 0
+ /* Uncomment this code if chain-call means call exact one. */
+ entry = opcode_get_entry(op_Call, graph->opcode_hash);
- _op_DivC.code = get_next_ir_opcode();
- _op_DivC.name = new_id_from_chars(X("DivC"));
+ /* check if we have more than 1 call */
+ if (cnt_gt(entry->cnt_alive, 1))
+ graph->is_chain_call = 0;
+#endif
- _op_ModC.code = get_next_ir_opcode();
- _op_ModC.name = new_id_from_chars(X("ModC"));
+ /* recursive functions are never chain calls, leafs don't have calls */
+ if (graph->is_recursive || graph->is_leaf)
+ graph->is_chain_call = 0;
- _op_DivModC.code = get_next_ir_opcode();
- _op_DivModC.name = new_id_from_chars(X("DivModC"));
+ /* assume we walk every graph only ONCE, we could sum here the global count */
+ foreach_pset(graph->opcode_hash, entry) {
+ node_entry_t *g_entry = opcode_get_entry(entry->op, global->opcode_hash);
- status->op_MulC = &_op_MulC;
- status->op_DivC = &_op_DivC;
- status->op_ModC = &_op_ModC;
- status->op_DivModC = &_op_DivModC;
- }
- else {
- status->op_MulC = NULL;
- status->op_DivC = NULL;
- status->op_ModC = NULL;
- status->op_DivModC = NULL;
- }
+ /* update the node counter */
+ cnt_add(&g_entry->cnt_alive, &entry->cnt_alive);
+ } /* foreach_pset */
- /* register the dumper */
- stat_register_dumper(&simple_dumper);
+ /* count the number of address calculation */
+ if (graph->irg != get_const_code_irg()) {
+ ir_graph *rem = current_ir_graph;
- if (enable_options & FIRMSTAT_CSV_OUTPUT)
- stat_register_dumper(&csv_dumper);
+ assure_irg_outs(graph->irg);
- /* initialize the pattern hash */
- stat_init_pattern_history(enable_options & FIRMSTAT_PATTERN_ENABLED);
+ /* Must be done an the outs graph */
+ current_ir_graph = graph->irg;
+ irg_out_walk(get_irg_start(graph->irg), NULL, mark_address_calc, graph);
+ current_ir_graph = rem;
- status->dag_options = enable_options & FIRMSTAT_COUNT_DAG;
-#undef X
-}
+#ifdef DUMP_ADR_MODE
+ /* register the vcg hook and dump the graph for test */
+ set_dump_node_vcgattr_hook(stat_adr_mark_hook);
+ dump_ir_block_graph(graph->irg, "-adr");
+ set_dump_node_vcgattr_hook(NULL);
+#endif /* DUMP_ADR_MODE */
-/* A new IR op is registered. */
-void stat_new_ir_op(const ir_op *op)
-{
- if (! status->enable)
- return;
+ irg_walk_graph(graph->irg, NULL, count_adr_ops, graph);
+ } /* if */
- STAT_ENTER;
- {
- graph_entry_t *graph = graph_get_entry(NULL, status->irg_hash);
+ /* count the DAG's */
+ if (status->stat_options & FIRMSTAT_COUNT_DAG)
+ count_dags_in_graph(global, graph);
- /* execute for side effect :-) */
- opcode_get_entry(op, graph->opcode_hash);
+ /* calculate the patterns of this graph */
+ stat_calc_pattern_history(graph->irg);
- pset_insert(status->ir_op_hash, op, op->code);
- }
- STAT_LEAVE;
-}
+ /* leaf function did not call others */
+ if (graph->is_leaf)
+ graph->is_leaf_call = LCS_NON_LEAF_CALL;
+ else if (graph->is_leaf_call == LCS_UNKNOWN) {
+ /* we still don't know if this graph calls leaf-functions, so enqueue */
+ pdeq_putl(status->wait_q, graph);
+ } /* if */
-/* An IR op is freed. */
-void stat_free_ir_op(const ir_op *op)
-{
- if (! status->enable)
- return;
+ /* we have analyzed this graph */
+ graph->is_analyzed = 1;
- STAT_ENTER;
- {
- }
- STAT_LEAVE;
-}
+ /* accumulate all counter's */
+ for (i = 0; i < _gcnt_last; ++i)
+ cnt_add(&global->cnt[i], &graph->cnt[i]);
+} /* update_graph_stat */
-/* A new node is created. */
-void stat_new_node(ir_node *node)
+/**
+ * Called for every graph that was on the wait_q in stat_dump_snapshot()
+ * must finish all statistic info calculations.
+ *
+ * @param global The global entry
+ * @param graph The current entry
+ */
+static void update_graph_stat_2(graph_entry_t *global, graph_entry_t *graph)
{
- if (! status->enable)
- return;
-
- /* do NOT count during dead node elimination */
- if (status->in_dead_node_elim > 0)
- return;
-
- STAT_ENTER;
- {
- node_entry_t *entry;
- graph_entry_t *graph;
- ir_op *op = stat_get_irn_op(node);
-
- /* increase global value */
- graph = graph_get_entry(NULL, status->irg_hash);
- entry = opcode_get_entry(op, graph->opcode_hash);
- cnt_inc(&entry->new_node);
-
- /* increase local value */
- graph = graph_get_entry(current_ir_graph, status->irg_hash);
- entry = opcode_get_entry(op, graph->opcode_hash);
- cnt_inc(&entry->new_node);
- }
- STAT_LEAVE;
-}
+ (void) global;
+ if (graph->is_deleted) {
+ /* deleted, ignore */
+ return;
+ }
-/* A node is changed into a Id node */
-void stat_turn_into_id(ir_node *node)
-{
- if (! status->enable)
- return;
-
- STAT_ENTER;
- {
- node_entry_t *entry;
- graph_entry_t *graph;
- ir_op *op = stat_get_irn_op(node);
-
- /* increase global value */
- graph = graph_get_entry(NULL, status->irg_hash);
- entry = opcode_get_entry(op, graph->opcode_hash);
- cnt_inc(&entry->into_Id);
-
- /* increase local value */
- graph = graph_get_entry(current_ir_graph, status->irg_hash);
- entry = opcode_get_entry(op, graph->opcode_hash);
- cnt_inc(&entry->into_Id);
- }
- STAT_LEAVE;
-}
+ if (graph->irg) {
+ /* count the nodes in the graph */
+ irg_walk_graph(graph->irg, update_node_stat_2, NULL, graph);
-/* A new graph was created */
-void stat_new_graph(ir_graph *irg, entity *ent)
-{
- if (! status->enable)
- return;
-
- STAT_ENTER;
- {
- /* execute for side effect :-) */
- graph_entry_t * graph = graph_get_entry(irg, status->irg_hash);
-
- graph->ent = ent;
- graph->is_deleted = 0;
- graph->is_leaf = 0;
- graph->is_recursive = 0;
- graph->is_chain_call = 0;
- }
- STAT_LEAVE;
-}
+ if (graph->is_leaf_call == LCS_UNKNOWN)
+ graph->is_leaf_call = LCS_LEAF_CALL;
+ } /* if */
+} /* update_graph_stat_2 */
-/*
- * A graph will be deleted
+/**
+ * Register a dumper.
*/
-void stat_free_graph(ir_graph *irg)
-{
- if (! status->enable)
- return;
+static void stat_register_dumper(const dumper_t *dumper) {
+ dumper_t *p = XMALLOC(dumper_t);
- STAT_ENTER;
- {
- graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
- graph_entry_t *global = graph_get_entry(NULL, status->irg_hash);
+ memcpy(p, dumper, sizeof(*p));
- graph->is_deleted = 1;
+ p->next = status->dumper;
+ p->status = status;
+ status->dumper = p;
- /* count the nodes of the graph yet, it will be destroyed later */
- update_graph_stat(global, graph);
+ /* FIXME: memory leak */
+} /* stat_register_dumper */
- /* count the DAG's */
- if (status->dag_options & FIRMSTAT_COUNT_DAG)
- count_dags_in_graph(global, graph);
+/**
+ * Dumps the statistics of an IR graph.
+ */
+static void stat_dump_graph(graph_entry_t *entry) {
+ dumper_t *dumper;
- /* calculate the pattern */
- stat_calc_pattern_history(irg);
- }
- STAT_LEAVE;
-}
+ for (dumper = status->dumper; dumper; dumper = dumper->next) {
+ if (dumper->dump_graph)
+ dumper->dump_graph(dumper, entry);
+ } /* for */
+} /* stat_dump_graph */
-/*
- * A walk over a graph is initiated. Do not count walks from statistic code.
+/**
+ * Calls all registered dumper functions.
*/
-void stat_irg_walk(ir_graph *irg, void *pre, void *post)
-{
- if (! status->enable)
- return;
+static void stat_dump_registered(graph_entry_t *entry) {
+ dumper_t *dumper;
- STAT_ENTER_SINGLE;
- {
- graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
+ for (dumper = status->dumper; dumper; dumper = dumper->next) {
+ if (dumper->func_map) {
+ dump_graph_FUNC func;
- cnt_inc(&graph->cnt_walked);
- }
- STAT_LEAVE;
-}
+ foreach_pset(dumper->func_map, func)
+ func(dumper, entry);
+ } /* if */
+ } /* for */
+} /* stat_dump_registered */
-/*
- * A walk over a graph in block-wise order is initiated. Do not count walks from statistic code.
+/**
+ * Dumps a constant table.
*/
-void stat_irg_walk_blkwise(ir_graph *irg, void *pre, void *post)
-{
- /* for now, do NOT differentiate between blockwise and normal */
- stat_irg_walk(irg, pre, post);
-}
+static void stat_dump_consts(const constant_info_t *tbl) {
+ dumper_t *dumper;
-/*
- * A walk over the graph's blocks is initiated. Do not count walks from statistic code.
- */
-void stat_irg_block_walk(ir_graph *irg, const ir_node *node, void *pre, void *post)
-{
- if (! status->enable)
- return;
+ for (dumper = status->dumper; dumper; dumper = dumper->next) {
+ if (dumper->dump_const_tbl)
+ dumper->dump_const_tbl(dumper, tbl);
+ } /* for */
+} /* stat_dump_consts */
- STAT_ENTER_SINGLE;
- {
- graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
+/**
+ * Dumps the parameter distribution
+ */
+static void stat_dump_param_tbl(const distrib_tbl_t *tbl, graph_entry_t *global) {
+ dumper_t *dumper;
- cnt_inc(&graph->cnt_walked_blocks);
- }
- STAT_LEAVE;
-}
+ for (dumper = status->dumper; dumper; dumper = dumper->next) {
+ if (dumper->dump_param_tbl)
+ dumper->dump_param_tbl(dumper, tbl, global);
+ } /* for */
+} /* stat_dump_param_tbl */
/**
- * called for every node that is removed due to an optimization
+ * Dumps the optimization counter
*/
-static void removed_due_opt(ir_node *n, pset *set)
-{
- ir_op *op = stat_get_irn_op(n);
- opt_entry_t *entry = opt_get_entry(op, set);
+static void stat_dump_opt_cnt(const counter_t *tbl, unsigned len) {
+ dumper_t *dumper;
- /* increase global value */
- cnt_inc(&entry->count);
-}
+ for (dumper = status->dumper; dumper; dumper = dumper->next) {
+ if (dumper->dump_opt_cnt)
+ dumper->dump_opt_cnt(dumper, tbl, len);
+ } /* for */
+} /* stat_dump_opt_cnt */
-/*
- * Some nodes were optimized into some others due to an optimization
+/**
+ * Initialize the dumper.
*/
-void stat_merge_nodes(
- ir_node **new_node_array, int new_num_entries,
- ir_node **old_node_array, int old_num_entries,
- stat_opt_kind opt)
-{
- if (! status->enable)
- return;
-
- STAT_ENTER;
- {
- 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])
- break;
-
- /* 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]);
- }
- }
- }
- STAT_LEAVE;
-}
+static void stat_dump_init(const char *name) {
+ dumper_t *dumper;
-/*
- * reassociation started/stopped.
+ for (dumper = status->dumper; dumper; dumper = dumper->next) {
+ if (dumper->init)
+ dumper->init(dumper, name);
+ } /* for */
+} /* stat_dump_init */
+
+/**
+ * Finish the dumper.
*/
-void stat_reassociate(int flag)
-{
- if (! status->enable)
- return;
-
- STAT_ENTER;
- {
- status->reassoc_run = flag;
- }
- STAT_LEAVE;
-}
+static void stat_dump_finish(void) {
+ dumper_t *dumper;
-/*
- * A node was lowered into other nodes
+ for (dumper = status->dumper; dumper; dumper = dumper->next) {
+ if (dumper->finish)
+ dumper->finish(dumper);
+ } /* for */
+} /* stat_dump_finish */
+
+/**
+ * Register an additional function for all dumper.
*/
-void stat_lower(ir_node *node)
-{
- if (! status->enable)
- return;
+void stat_register_dumper_func(dump_graph_FUNC func) {
+ dumper_t *dumper;
- STAT_ENTER;
- {
- graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash);
+ for (dumper = status->dumper; dumper; dumper = dumper->next) {
+ if (! dumper->func_map)
+ dumper->func_map = pset_new_ptr(3);
+ pset_insert_ptr(dumper->func_map, func);
+ } /* for */
+} /* stat_register_dumper_func */
- removed_due_opt(node, graph->opt_hash[STAT_LOWERED]);
- }
- STAT_LEAVE;
-}
+/* ---------------------------------------------------------------------- */
/*
- * A graph was inlined
+ * Helper: get an ir_op from an opcode.
*/
-void stat_inline(ir_node *call, ir_graph *called_irg)
-{
- if (! status->enable)
- return;
-
- STAT_ENTER;
- {
- ir_graph *irg = get_irn_irg(call);
- graph_entry_t *i_graph = graph_get_entry(called_irg, status->irg_hash);
- graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
-
- cnt_inc(&graph->cnt_got_inlined);
- cnt_inc(&i_graph->cnt_was_inlined);
- }
- STAT_LEAVE;
-}
+ir_op *stat_get_op_from_opcode(ir_opcode code) {
+ return opcode_find_entry(code, status->ir_op_hash);
+} /* stat_get_op_from_opcode */
-/*
- * A graph with tail-recursions was optimized.
+/**
+ * Hook: A new IR op is registered.
+ *
+ * @param ctx the hook context
+ * @param op the new IR opcode that was created.
*/
-void stat_tail_rec(ir_graph *irg)
-{
- if (! status->enable)
- return;
+static void stat_new_ir_op(void *ctx, ir_op *op) {
+ (void) ctx;
+ if (! status->stat_options)
+ return;
- STAT_ENTER;
- {
- }
- STAT_LEAVE;
-}
+ STAT_ENTER;
+ {
+ graph_entry_t *graph = graph_get_entry(NULL, status->irg_hash);
-/*
- * Strength reduction was performed on an iteration variable.
+ /* execute for side effect :-) */
+ (void)opcode_get_entry(op, graph->opcode_hash);
+
+ pset_insert(status->ir_op_hash, op, op->code);
+ }
+ STAT_LEAVE;
+} /* stat_new_ir_op */
+
+/**
+ * Hook: An IR op is freed.
+ *
+ * @param ctx the hook context
+ * @param op the IR opcode that is freed
*/
-void stat_strength_red(ir_graph *irg, ir_node *strong, ir_node *cmp)
-{
- if (! status->enable)
- return;
+static void stat_free_ir_op(void *ctx, ir_op *op) {
+ (void) ctx;
+ (void) op;
+ if (! status->stat_options)
+ return;
+
+ STAT_ENTER;
+ {
+ }
+ STAT_LEAVE;
+} /* stat_free_ir_op */
- STAT_ENTER;
- {
- graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
- cnt_inc(&graph->cnt_strength_red);
+/**
+ * Hook: A new node is created.
+ *
+ * @param ctx the hook context
+ * @param irg the IR graph on which the node is created
+ * @param node the new IR node that was created
+ */
+static void stat_new_node(void *ctx, ir_graph *irg, ir_node *node) {
+ (void) ctx;
+ (void) irg;
+ if (! status->stat_options)
+ return;
+
+ /* do NOT count during dead node elimination */
+ if (status->in_dead_node_elim)
+ return;
+
+ STAT_ENTER;
+ {
+ node_entry_t *entry;
+ graph_entry_t *graph;
+ ir_op *op = stat_get_irn_op(node);
+
+ /* increase global value */
+ graph = graph_get_entry(NULL, status->irg_hash);
+ entry = opcode_get_entry(op, graph->opcode_hash);
+ cnt_inc(&entry->new_node);
+
+ /* increase local value */
+ graph = graph_get_entry(current_ir_graph, status->irg_hash);
+ entry = opcode_get_entry(op, graph->opcode_hash);
+ cnt_inc(&entry->new_node);
+ }
+ STAT_LEAVE;
+} /* stat_new_node */
- removed_due_opt(strong, graph->opt_hash[STAT_OPT_STRENGTH_RED]);
- }
- STAT_LEAVE;
-}
+/**
+ * Hook: A node is changed into a Id node
+ *
+ * @param ctx the hook context
+ * @param node the IR node that will be turned into an ID
+ */
+static void stat_turn_into_id(void *ctx, ir_node *node) {
+ (void) ctx;
+ if (! status->stat_options)
+ return;
+
+ STAT_ENTER;
+ {
+ node_entry_t *entry;
+ graph_entry_t *graph;
+ ir_op *op = stat_get_irn_op(node);
+
+ /* increase global value */
+ graph = graph_get_entry(NULL, status->irg_hash);
+ entry = opcode_get_entry(op, graph->opcode_hash);
+ cnt_inc(&entry->into_Id);
+
+ /* increase local value */
+ graph = graph_get_entry(current_ir_graph, status->irg_hash);
+ entry = opcode_get_entry(op, graph->opcode_hash);
+ cnt_inc(&entry->into_Id);
+ }
+ STAT_LEAVE;
+} /* stat_turn_into_id */
-/*
- * Start the dead node elimination.
+/**
+ * Hook: A new graph was created
+ *
+ * @param ctx the hook context
+ * @param irg the new IR graph that was created
+ * @param ent the entity of this graph
*/
-void stat_dead_node_elim_start(ir_graph *irg)
-{
- if (! status->enable)
- return;
+static void stat_new_graph(void *ctx, ir_graph *irg, ir_entity *ent) {
+ (void) ctx;
+ if (! status->stat_options)
+ return;
+
+ STAT_ENTER;
+ {
+ /* execute for side effect :-) */
+ graph_entry_t * graph = graph_get_entry(irg, status->irg_hash);
+
+ graph->ent = ent;
+ graph->is_deleted = 0;
+ graph->is_leaf = 0;
+ graph->is_leaf_call = 0;
+ graph->is_recursive = 0;
+ graph->is_chain_call = 0;
+ graph->is_strict = 1;
+ graph->is_analyzed = 0;
+ }
+ STAT_LEAVE;
+} /* stat_new_graph */
- ++status->in_dead_node_elim;
-}
+/**
+ * Hook: A graph will be deleted
+ *
+ * @param ctx the hook context
+ * @param irg the IR graph that will be deleted
+ *
+ * Note that we still hold the information for this graph
+ * in our hash maps, only a flag is set which prevents this
+ * information from being changed, it's "frozen" from now.
+ */
+static void stat_free_graph(void *ctx, ir_graph *irg) {
+ (void) ctx;
+ if (! status->stat_options)
+ return;
+
+ STAT_ENTER;
+ {
+ graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
+ graph_entry_t *global = graph_get_entry(NULL, status->irg_hash);
+
+ graph->is_deleted = 1;
+
+ if (status->stat_options & FIRMSTAT_COUNT_DELETED) {
+ /* count the nodes of the graph yet, it will be destroyed later */
+ update_graph_stat(global, graph);
+ } /* if */
+ }
+ STAT_LEAVE;
+} /* stat_free_graph */
-/*
- * Stops the dead node elimination.
+/**
+ * Hook: A walk over a graph is initiated. Do not count walks from statistic code.
+ *
+ * @param ctx the hook context
+ * @param irg the IR graph that will be walked
+ * @param pre the pre walker
+ * @param post the post walker
*/
-void stat_dead_node_elim_stop(ir_graph *irg)
+static void stat_irg_walk(void *ctx, ir_graph *irg, generic_func *pre, generic_func *post)
{
- if (! status->enable)
- return;
+ (void) ctx;
+ (void) pre;
+ (void) post;
+ if (! status->stat_options)
+ return;
- --status->in_dead_node_elim;
-}
+ STAT_ENTER_SINGLE;
+ {
+ graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
-/*
- * A multiply was replaced by a series of Shifts/Adds/Subs
+ cnt_inc(&graph->cnt[gcnt_acc_walked]);
+ }
+ STAT_LEAVE;
+} /* stat_irg_walk */
+
+/**
+ * Hook: A walk over a graph in block-wise order is initiated. Do not count walks from statistic code.
+ *
+ * @param ctx the hook context
+ * @param irg the IR graph that will be walked
+ * @param pre the pre walker
+ * @param post the post walker
*/
-void stat_arch_dep_replace_mul_with_shifts(ir_node *mul)
+static void stat_irg_walk_blkwise(void *ctx, ir_graph *irg, generic_func *pre, generic_func *post)
{
- 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;
-}
+ /* for now, do NOT differentiate between blockwise and normal */
+ stat_irg_walk(ctx, irg, pre, post);
+} /* stat_irg_walk_blkwise */
/**
- * A division was replaced by a series of Shifts/Muls
+ * Hook: A walk over the graph's blocks is initiated. Do not count walks from statistic code.
+ *
+ * @param ctx the hook context
+ * @param irg the IR graph that will be walked
+ * @param node the IR node
+ * @param pre the pre walker
+ * @param post the post walker
*/
-void stat_arch_dep_replace_div_by_const(ir_node *div)
+static void stat_irg_block_walk(void *ctx, ir_graph *irg, ir_node *node, generic_func *pre, generic_func *post)
{
- 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;
-}
+ (void) ctx;
+ (void) node;
+ (void) pre;
+ (void) post;
+ if (! status->stat_options)
+ return;
+
+ STAT_ENTER_SINGLE;
+ {
+ graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
+
+ cnt_inc(&graph->cnt[gcnt_acc_walked_blocks]);
+ }
+ STAT_LEAVE;
+} /* stat_irg_block_walk */
/**
- * A modulo was replaced by a series of Shifts/Muls
+ * Called for every node that is removed due to an optimization.
+ *
+ * @param n the IR node that will be removed
+ * @param hmap the hash map containing ir_op* -> opt_entry_t*
+ * @param kind the optimization kind
*/
-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;
-}
+static void removed_due_opt(ir_node *n, hmap_opt_entry_t *hmap, hook_opt_kind kind) {
+ opt_entry_t *entry;
+ ir_op *op = stat_get_irn_op(n);
+
+ /* ignore CSE for Constants */
+ if (kind == HOOK_OPT_CSE && (is_Const(n) || is_SymConst(n)))
+ return;
+
+ /* increase global value */
+ entry = opt_get_entry(op, hmap);
+ cnt_inc(&entry->count);
+} /* removed_due_opt */
/**
- * A DivMod was replaced by a series of Shifts/Muls
+ * Hook: Some nodes were optimized into some others due to an optimization.
+ *
+ * @param ctx the hook context
*/
-void stat_arch_dep_replace_DivMod_by_const(ir_node *divmod)
+static void stat_merge_nodes(
+ void *ctx,
+ ir_node **new_node_array, int new_num_entries,
+ ir_node **old_node_array, int old_num_entries,
+ hook_opt_kind opt)
{
- 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;
-}
+ (void) ctx;
+ if (! status->stat_options)
+ return;
+
+ STAT_ENTER;
+ {
+ int i, j;
+ graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash);
+
+ cnt_inc(&status->num_opts[opt]);
+ if (status->reassoc_run)
+ opt = HOOK_OPT_REASSOC;
+
+ for (i = 0; i < old_num_entries; ++i) {
+ /* nodes might be in new and old, so if we found a node
+ in both sets, this one is NOT removed */
+ for (j = 0; j < new_num_entries; ++j) {
+ if (old_node_array[i] == new_node_array[j])
+ break;
+ } /* for */
+ if (j >= new_num_entries) {
+ 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;
+ } /* if */
+
+ removed_due_opt(old_node_array[i], graph->opt_hash[xopt], xopt);
+ } /* if */
+ } /* for */
+ }
+ STAT_LEAVE;
+} /* stat_merge_nodes */
+
+/**
+ * Hook: Reassociation is started/stopped.
+ *
+ * @param ctx the hook context
+ * @param flag if non-zero, reassociation is started else stopped
+ */
+static void stat_reassociate(void *ctx, int flag) {
+ (void) ctx;
+ if (! status->stat_options)
+ return;
+
+ STAT_ENTER;
+ {
+ status->reassoc_run = flag;
+ }
+ STAT_LEAVE;
+} /* stat_reassociate */
+
+/**
+ * Hook: A node was lowered into other nodes
+ *
+ * @param ctx the hook context
+ * @param node the IR node that will be lowered
+ */
+static void stat_lower(void *ctx, ir_node *node) {
+ (void) ctx;
+ if (! status->stat_options)
+ return;
+
+ STAT_ENTER;
+ {
+ graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash);
-/* Finish the statistics */
-void stat_finish(const char *name)
+ removed_due_opt(node, graph->opt_hash[HOOK_LOWERED], HOOK_LOWERED);
+ }
+ STAT_LEAVE;
+} /* stat_lower */
+
+/**
+ * Hook: A graph was inlined.
+ *
+ * @param ctx the hook context
+ * @param call the IR call that will re changed into the body of
+ * the called IR graph
+ * @param called_irg the IR graph representing the called routine
+ */
+static void stat_inline(void *ctx, ir_node *call, ir_graph *called_irg)
{
- if (! status->enable)
- return;
+ (void) ctx;
+ if (! status->stat_options)
+ return;
+
+ STAT_ENTER;
+ {
+ ir_graph *irg = get_irn_irg(call);
+ graph_entry_t *i_graph = graph_get_entry(called_irg, status->irg_hash);
+ graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
+
+ cnt_inc(&graph->cnt[gcnt_acc_got_inlined]);
+ cnt_inc(&i_graph->cnt[gcnt_acc_was_inlined]);
+ }
+ STAT_LEAVE;
+} /* stat_inline */
+
+/**
+ * Hook: A graph with tail-recursions was optimized.
+ *
+ * @param ctx the hook context
+ */
+static void stat_tail_rec(void *ctx, ir_graph *irg, int n_calls) {
+ (void) ctx;
+ if (! status->stat_options)
+ return;
- STAT_ENTER;
- {
- graph_entry_t *entry;
- graph_entry_t *global = graph_get_entry(NULL, status->irg_hash);
+ STAT_ENTER;
+ {
+ graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
- stat_dump_init(name);
+ graph->num_tail_recursion += n_calls;
+ }
+ STAT_LEAVE;
+} /* stat_tail_rec */
- /* dump per graph */
- for (entry = pset_first(status->irg_hash); entry; entry = pset_next(status->irg_hash)) {
+/**
+ * Strength reduction was performed on an iteration variable.
+ *
+ * @param ctx the hook context
+ */
+static void stat_strength_red(void *ctx, ir_graph *irg, ir_node *strong) {
+ (void) ctx;
+ if (! status->stat_options)
+ return;
+
+ STAT_ENTER;
+ {
+ graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
+ cnt_inc(&graph->cnt[gcnt_acc_strength_red]);
+
+ removed_due_opt(strong, graph->opt_hash[HOOK_OPT_STRENGTH_RED], HOOK_OPT_STRENGTH_RED);
+ }
+ STAT_LEAVE;
+} /* stat_strength_red */
+
+/**
+ * Hook: Start/Stop the dead node elimination.
+ *
+ * @param ctx the hook context
+ */
+static void stat_dead_node_elim(void *ctx, ir_graph *irg, int start) {
+ (void) ctx;
+ (void) irg;
+ if (! status->stat_options)
+ return;
- if (entry->irg == NULL) {
- /* special entry for the global count */
- continue;
- }
+ status->in_dead_node_elim = (start != 0);
+} /* stat_dead_node_elim */
- if (! entry->is_deleted) {
- /* the graph is still alive, count the nodes on it */
- update_graph_stat(global, entry);
+/**
+ * Hook: if-conversion was tried.
+ */
+static void stat_if_conversion(void *context, ir_graph *irg, ir_node *phi,
+ int pos, ir_node *mux, if_result_t reason)
+{
+ (void) context;
+ (void) phi;
+ (void) pos;
+ (void) mux;
+ if (! status->stat_options)
+ return;
+
+ STAT_ENTER;
+ {
+ graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
+
+ cnt_inc(&graph->cnt[gcnt_if_conv + reason]);
+ }
+ STAT_LEAVE;
+} /* stat_if_conversion */
- /* count the DAG's */
- if (status->dag_options & FIRMSTAT_COUNT_DAG)
- count_dags_in_graph(global, entry);
+/**
+ * Hook: real function call was optimized.
+ */
+static void stat_func_call(void *context, ir_graph *irg, ir_node *call)
+{
+ (void) context;
+ (void) call;
+ if (! status->stat_options)
+ return;
- /* calculate the pattern */
- stat_calc_pattern_history(entry->irg);
- }
+ STAT_ENTER;
+ {
+ graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
- stat_dump_graph(entry);
+ cnt_inc(&graph->cnt[gcnt_acc_real_func_call]);
+ }
+ STAT_LEAVE;
+} /* stat_func_call */
- /* clear the counter that are not accumulated */
- graph_clear_entry(entry, 0);
- }
+/**
+ * Hook: A multiply was replaced by a series of Shifts/Adds/Subs.
+ *
+ * @param ctx the hook context
+ */
+static void stat_arch_dep_replace_mul_with_shifts(void *ctx, ir_node *mul) {
+ (void) ctx;
+ if (! status->stat_options)
+ return;
+
+ STAT_ENTER;
+ {
+ graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash);
+ removed_due_opt(mul, graph->opt_hash[HOOK_OPT_ARCH_DEP], HOOK_OPT_ARCH_DEP);
+ }
+ STAT_LEAVE;
+} /* stat_arch_dep_replace_mul_with_shifts */
- /* dump global */
- stat_dump_graph(global);
- stat_dump_finish();
+/**
+ * Hook: A division by const was replaced.
+ *
+ * @param ctx the hook context
+ * @param node the division node that will be optimized
+ */
+static void stat_arch_dep_replace_division_by_const(void *ctx, ir_node *node) {
+ (void) ctx;
+ if (! status->stat_options)
+ return;
+
+ STAT_ENTER;
+ {
+ graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash);
+ removed_due_opt(node, graph->opt_hash[HOOK_OPT_ARCH_DEP], HOOK_OPT_ARCH_DEP);
+ }
+ STAT_LEAVE;
+} /* stat_arch_dep_replace_division_by_const */
- stat_finish_pattern_history();
+/*
+ * Update the register pressure of a block.
+ *
+ * @param irg the irg containing the block
+ * @param block the block for which the reg pressure should be set
+ * @param pressure the pressure
+ * @param class_name the name of the register class
+ */
+void stat_be_block_regpressure(ir_graph *irg, ir_node *block, int pressure, const char *class_name)
+{
+ if (! status->stat_options)
+ return;
- /* clear the global counter here */
- {
- node_entry_t *entry;
+ STAT_ENTER;
+ {
+ graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
+ be_block_entry_t *block_ent;
+ reg_pressure_entry_t *rp_ent;
- for (entry = pset_first(global->opcode_hash); entry; entry = pset_next(global->opcode_hash)) {
- opcode_clear_entry(entry);
- }
- /* clear all global counter */
- graph_clear_entry(global, 1);
- }
+ block_ent = be_block_get_entry(&status->be_data, get_irn_node_nr(block), graph->be_block_hash);
+ rp_ent = obstack_alloc(&status->be_data, sizeof(*rp_ent));
+ memset(rp_ent, 0, sizeof(*rp_ent));
- /* finished */
-// status->enable = 0;
- }
- STAT_LEAVE;
-}
+ rp_ent->class_name = class_name;
+ rp_ent->pressure = pressure;
-#else
+ pset_insert(block_ent->reg_pressure, rp_ent, HASH_PTR(class_name));
+ }
+ STAT_LEAVE;
+} /* stat_be_block_regpressure */
-/* need this for prototypes */
-#define FIRM_STATISTICS
-#include "firmstat.h"
+/**
+ * Update the distribution of ready nodes of a block
+ *
+ * @param irg the irg containing the block
+ * @param block the block for which the reg pressure should be set
+ * @param num_ready the number of ready nodes
+ */
+void stat_be_block_sched_ready(ir_graph *irg, ir_node *block, int num_ready)
+{
+ if (! status->stat_options)
+ return;
-void init_stat(unsigned enable_options) {}
+ STAT_ENTER;
+ {
+ graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
+ be_block_entry_t *block_ent;
-void stat_finish(const char *name) {}
+ block_ent = be_block_get_entry(&status->be_data, get_irn_node_nr(block), graph->be_block_hash);
-void stat_new_ir_op(const ir_op *op) {}
+ /* increase the counter of corresponding number of ready nodes */
+ stat_inc_int_distrib_tbl(block_ent->sched_ready, num_ready);
+ }
+ STAT_LEAVE;
+} /* stat_be_block_sched_ready */
-void stat_free_ir_op(const ir_op *op) {}
+/**
+ * Update the permutation statistic of a block.
+ *
+ * @param class_name the name of the register class
+ * @param n_regs number of registers in the register class
+ * @param perm the perm node
+ * @param block the block containing the perm
+ * @param size the size of the perm
+ * @param real_size number of pairs with different registers
+ */
+void stat_be_block_stat_perm(const char *class_name, int n_regs, ir_node *perm, ir_node *block,
+ int size, int real_size)
+{
+ if (! status->stat_options)
+ return;
-void stat_new_node(ir_node *node) {}
+ STAT_ENTER;
+ {
+ graph_entry_t *graph = graph_get_entry(get_irn_irg(block), status->irg_hash);
+ be_block_entry_t *block_ent;
+ perm_class_entry_t *pc_ent;
+ perm_stat_entry_t *ps_ent;
-void stat_turn_into_id(ir_node *node) {}
+ block_ent = be_block_get_entry(&status->be_data, get_irn_node_nr(block), graph->be_block_hash);
+ pc_ent = perm_class_get_entry(&status->be_data, class_name, block_ent->perm_class_stat);
+ ps_ent = perm_stat_get_entry(&status->be_data, perm, pc_ent->perm_stat);
-void stat_new_graph(ir_graph *irg, entity *ent) {}
+ pc_ent->n_regs = n_regs;
-void stat_free_graph(ir_graph *irg) {}
+ /* update information */
+ ps_ent->size = size;
+ ps_ent->real_size = real_size;
+ }
+ STAT_LEAVE;
+} /* stat_be_block_stat_perm */
-void stat_irg_walk(ir_graph *irg, void *pre, void *post) {}
+/**
+ * Update the permutation statistic of a single perm.
+ *
+ * @param class_name the name of the register class
+ * @param perm the perm node
+ * @param block the block containing the perm
+ * @param is_chain 1 if chain, 0 if cycle
+ * @param size length of the cycle/chain
+ * @param n_ops the number of ops representing this cycle/chain after lowering
+ */
+void stat_be_block_stat_permcycle(const char *class_name, ir_node *perm, ir_node *block,
+ int is_chain, int size, int n_ops)
+{
+ if (! status->stat_options)
+ return;
+
+ STAT_ENTER;
+ {
+ graph_entry_t *graph = graph_get_entry(get_irn_irg(block), status->irg_hash);
+ be_block_entry_t *block_ent;
+ perm_class_entry_t *pc_ent;
+ perm_stat_entry_t *ps_ent;
+
+ block_ent = be_block_get_entry(&status->be_data, get_irn_node_nr(block), graph->be_block_hash);
+ pc_ent = perm_class_get_entry(&status->be_data, class_name, block_ent->perm_class_stat);
+ ps_ent = perm_stat_get_entry(&status->be_data, perm, pc_ent->perm_stat);
+
+ if (is_chain) {
+ ps_ent->n_copies += n_ops;
+ stat_inc_int_distrib_tbl(ps_ent->chains, size);
+ } else {
+ ps_ent->n_exchg += n_ops;
+ stat_inc_int_distrib_tbl(ps_ent->cycles, size);
+ } /* if */
+ }
+ STAT_LEAVE;
+} /* stat_be_block_stat_permcycle */
+
+/* Dumps a statistics snapshot. */
+void stat_dump_snapshot(const char *name, const char *phase)
+{
+ char fname[2048];
+ const char *p;
+ int l;
+
+ if (! status->stat_options)
+ return;
+
+ STAT_ENTER;
+ {
+ graph_entry_t *entry;
+ graph_entry_t *global = graph_get_entry(NULL, status->irg_hash);
+
+ /*
+ * The constant counter is only global, so we clear it here.
+ * 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);
+
+ /* 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 /* _WIN32 */
+ if (p) {
+ ++p;
+ l = p - name;
+
+ if (l > (int) (sizeof(fname) - 1))
+ l = sizeof(fname) - 1;
+
+ memcpy(fname, name, l);
+ fname[l] = '\0';
+ } else {
+ fname[0] = '\0';
+ p = name;
+ } /* if */
+ 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)) {
+ if (entry->irg == NULL) {
+ /* special entry for the global count */
+ continue;
+ } /* if */
+ if (! entry->is_deleted) {
+ /* the graph is still alive, count the nodes on it */
+ update_graph_stat(global, entry);
+ } /* if */
+ } /* for */
+
+ /* some calculations are dependent, we pushed them on the wait_q */
+ while (! pdeq_empty(status->wait_q)) {
+ entry = pdeq_getr(status->wait_q);
+
+ update_graph_stat_2(global, entry);
+ } /* while */
+
+ /* dump per graph */
+ for (entry = pset_first(status->irg_hash); entry; entry = pset_next(status->irg_hash)) {
+ if (entry->irg == NULL) {
+ /* special entry for the global count */
+ continue;
+ } /* if */
+
+ if (! entry->is_deleted || status->stat_options & FIRMSTAT_COUNT_DELETED) {
+ stat_dump_graph(entry);
+ stat_dump_registered(entry);
+ } /* if */
+
+ if (! entry->is_deleted) {
+ /* clear the counter that are not accumulated */
+ graph_clear_entry(entry, 0);
+ } /* if */
+ } /* for */
+
+ /* dump global */
+ stat_dump_graph(global);
+
+ /* dump the const info */
+ if (status->stat_options & FIRMSTAT_COUNT_CONSTS)
+ stat_dump_consts(&status->const_info);
+
+ /* dump the parameter distribution */
+ stat_dump_param_tbl(status->dist_param_cnt, global);
+
+ /* dump the optimization counter and clear them */
+ stat_dump_opt_cnt(status->num_opts, ARR_SIZE(status->num_opts));
+ clear_optimization_counter();
+
+ stat_dump_finish();
+
+ stat_finish_pattern_history(fname);
+
+ /* clear the global counter here */
+ {
+ node_entry_t *entry;
+
+ for (entry = pset_first(global->opcode_hash); entry; entry = pset_next(global->opcode_hash)) {
+ opcode_clear_entry(entry);
+ } /* for */
+ /* clear all global counter */
+ graph_clear_entry(global, 1);
+ }
+ }
+ STAT_LEAVE;
+} /* stat_dump_snapshot */
+
+/** the hook entries for the Firm statistics module */
+static hook_entry_t stat_hooks[hook_last];
-void stat_irg_block_walk(ir_graph *irg, const ir_node *node, void *pre, void *post) {}
+/* initialize the statistics module. */
+void firm_init_stat(unsigned enable_options)
+{
+#define X(a) a, sizeof(a)-1
+#define HOOK(h, fkt) \
+ stat_hooks[h].hook._##h = fkt; register_hook(h, &stat_hooks[h])
+ unsigned num = 0;
+
+ if (! (enable_options & FIRMSTAT_ENABLED))
+ return;
+
+ status = XMALLOCZ(stat_info_t);
+
+ /* enable statistics */
+ 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, 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);
+ obstack_init(&status->be_data);
+
+ /* create the hash-tables */
+ status->irg_hash = new_pset(graph_cmp, 8);
+ status->ir_op_hash = new_pset(opcode_cmp_2, 1);
+
+ /* create the wait queue */
+ status->wait_q = new_pdeq();
+
+ if (enable_options & FIRMSTAT_COUNT_STRONG_OP) {
+ /* build the pseudo-ops */
+
+ _op_Phi0.code = --num;
+ _op_Phi0.name = new_id_from_chars(X("Phi0"));
+
+ _op_PhiM.code = --num;
+ _op_PhiM.name = new_id_from_chars(X("PhiM"));
+
+ _op_ProjM.code = --num;
+ _op_ProjM.name = new_id_from_chars(X("ProjM"));
+
+ _op_MulC.code = --num;
+ _op_MulC.name = new_id_from_chars(X("MulC"));
+
+ _op_DivC.code = --num;
+ _op_DivC.name = new_id_from_chars(X("DivC"));
+
+ _op_ModC.code = --num;
+ _op_ModC.name = new_id_from_chars(X("ModC"));
+
+ _op_DivModC.code = --num;
+ _op_DivModC.name = new_id_from_chars(X("DivModC"));
+
+ _op_QuotC.code = --num;
+ _op_QuotC.name = new_id_from_chars(X("QuotC"));
+
+ status->op_Phi0 = &_op_Phi0;
+ status->op_PhiM = &_op_PhiM;
+ status->op_ProjM = &_op_ProjM;
+ status->op_MulC = &_op_MulC;
+ status->op_DivC = &_op_DivC;
+ status->op_ModC = &_op_ModC;
+ status->op_DivModC = &_op_DivModC;
+ status->op_QuotC = &_op_QuotC;
+ } else {
+ status->op_Phi0 = NULL;
+ status->op_PhiM = NULL;
+ status->op_ProjM = NULL;
+ status->op_MulC = NULL;
+ status->op_DivC = NULL;
+ status->op_ModC = NULL;
+ status->op_DivModC = NULL;
+ status->op_QuotC = NULL;
+ } /* if */
+
+ /* for Florian: count the Sel depth */
+ if (enable_options & FIRMSTAT_COUNT_SELS) {
+ _op_SelSel.code = --num;
+ _op_SelSel.name = new_id_from_chars(X("Sel(Sel)"));
+
+ _op_SelSelSel.code = --num;
+ _op_SelSelSel.name = new_id_from_chars(X("Sel(Sel(Sel))"));
+
+ status->op_SelSel = &_op_SelSel;
+ status->op_SelSelSel = &_op_SelSelSel;
+ } else {
+ status->op_SelSel = NULL;
+ status->op_SelSelSel = NULL;
+ } /* if */
+
+ /* register the dumper */
+ stat_register_dumper(&simple_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);
+
+ /* initialize the Const options */
+ if (enable_options & FIRMSTAT_COUNT_CONSTS)
+ stat_init_const_cnt(status);
+
+ /* distribution table for parameter counts */
+ status->dist_param_cnt = stat_new_int_distrib_tbl();
+
+ clear_optimization_counter();
+
+#undef HOOK
+#undef X
+} /* firm_init_stat */
-void stat_merge_nodes(
- ir_node **new_node_array, int new_num_entries,
- ir_node **old_node_array, int old_num_entries,
- stat_opt_kind opt) {}
+/**
+ * Frees all dumper structures.
+ */
+static void stat_term_dumper(void) {
+ dumper_t *dumper, *next_dumper;
-void stat_reassociate(int start) {}
+ for (dumper = status->dumper; dumper; /* iteration done in loop body */ ) {
+ if (dumper->func_map)
+ del_pset(dumper->func_map);
-void stat_lower(ir_node *node) {}
+ next_dumper = dumper->next;
+ free(dumper);
+ dumper = next_dumper;
+ } /* for */
+} /* stat_term_dumper */
-void stat_inline(ir_node *call, ir_graph *irg) {}
-void stat_tail_rec(ir_graph *irg) {}
+/* Terminates the statistics module, frees all memory. */
+void stat_term(void) {
+ if (status != (stat_info_t *)&status_disable) {
+ obstack_free(&status->be_data, NULL);
+ obstack_free(&status->cnts, NULL);
-void stat_strength_red(ir_graph *irg, ir_node *strong, ir_node *cmp) {}
+ stat_term_dumper();
-void stat_dead_node_elim_start(ir_graph *irg) {}
+ xfree(status);
+ status = (stat_info_t *)&status_disable;
+ }
+} /* stat_term */
-void stat_dead_node_elim_stop(ir_graph *irg) {}
+/* returns 1 if statistics were initialized, 0 otherwise */
+int stat_is_active(void) {
+ return status != (stat_info_t *)&status_disable;
+} /* stat_is_active */
-void stat_arch_dep_replace_mul_with_shifts(ir_node *mul) {}
+#else
-void stat_arch_dep_replace_div_by_const(ir_node *div) {}
+/* initialize the statistics module. */
+void firm_init_stat(unsigned enable_options) {}
-void stat_arch_dep_replace_mod_by_const(ir_node *mod) {}
+/* Dumps a statistics snapshot */
+void stat_dump_snapshot(const char *name, const char *phase) {}
-void stat_arch_dep_replace_DivMod_by_const(ir_node *divmod) {}
+/* terminates the statistics module, frees all memory */
+void stat_term(void);
-#endif
+#endif /* FIRM_STATISTICS */
projects / libfirm / blobdiff