/*
- * 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
/** 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;
/**
* global status
*/
-static const int status_disable = 0;
+static const unsigned status_disable = 0;
static stat_info_t *status = (stat_info_t *)&status_disable;
/**
const block_entry_t *e1 = elt;
const block_entry_t *e2 = key;
+ /* it's enough to compare the block number */
return e1->block_nr != e2->block_nr;
} /* block_cmp */
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;
static void graph_clear_entry(graph_entry_t *elem, int all) {
int i;
- /* clear accumulated / non-acumulated counter */
+ /* clear accumulated / non-accumulated counter */
for (i = all ? 0 : _gcnt_non_acc; i < _gcnt_last; ++i) {
cnt_clr(&elem->cnt[i]);
} /* for */
{
graph_entry_t key;
graph_entry_t *elem;
- int i;
+ size_t i;
key.irg = irg;
return pset_insert(hmap, elem, HASH_PTR(perm));
} /* perm_stat_get_entry */
+/**
+ * Clear optimizations counter,
+ */
+static void clear_optimization_counter(void) {
+ int i;
+ for (i = 0; i < FS_OPT_MAX; ++i)
+ cnt_clr(&status->num_opts[i]);
+}
+
/**
* Returns the ir_op for an IR-node,
* handles special cases and return pseudo op codes.
} /* if */
break;
case iro_Mul:
- if (get_irn_op(get_Mul_left(node)) == op_Const || get_irn_op(get_Mul_right(node)) == op_Const) {
+ 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 (get_irn_op(get_Div_right(node)) == op_Const) {
+ 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 (get_irn_op(get_Mod_right(node)) == op_Const) {
+ 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 (get_irn_op(get_DivMod_right(node)) == op_Const) {
+ 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 (get_irn_op(get_Sel_ptr(node)) == op_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 (get_irn_op(get_Sel_ptr(get_Sel_ptr(node))) == op_Sel) {
+ 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 (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) {
cnt_inc(&b_entry->cnt[bcnt_nodes]);
/* don't count keep-alive edges */
- if (get_irn_op(node) == op_End)
+ if (is_End(node))
return;
arity = get_irn_arity(node);
cnt_inc(&eb_entry->cnt[bcnt_nodes]);
/* don't count keep-alive edges */
- if (get_irn_op(node) == op_End)
+ if (is_End(node))
return;
arity = get_irn_arity(node);
/* found a call, this function is not a leaf */
graph->is_leaf = 0;
- if (get_irn_op(ptr) == op_SymConst) {
+ if (is_SymConst(ptr)) {
if (get_SymConst_kind(ptr) == symconst_addr_ent) {
/* ok, we seems to know the entity */
ent = get_SymConst_entity(ptr);
/* 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 */
} /* if */
/* check, if it's a chain-call: Then, the call-block
- * must dominate the end block. */
+ * must dominate the end block. */
{
ir_node *curr = get_irg_end_block(graph->irg);
int depth = get_Block_dom_depth(block);
if (is_Bad(block))
return;
- if (get_irn_op(ptr) == op_SymConst) {
+ if (is_SymConst(ptr)) {
if (get_SymConst_kind(ptr) == symconst_addr_ent) {
/* ok, we seems to know the entity */
ent = get_SymConst_entity(ptr);
node_entry_t *entry;
ir_op *op = stat_get_irn_op(node);
- int arity = get_irn_arity(node);
+ int i, arity = get_irn_arity(node);
entry = opcode_get_entry(op, graph->opcode_hash);
/* handle statistics for special node types */
switch (op->code) {
- case iro_Const:
- if (status->stat_options & FIRMSTAT_COUNT_CONSTS) {
- /* check properties of constants */
- stat_update_const(status, node, graph);
- } /* if */
- break;
case iro_Call:
/* check for properties that depends on calls like recursion/leaf/indirect call */
stat_update_call(node, graph);
/* 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 */
/**
int i, n;
unsigned mark_preds = MARK_REF_NON_ADR;
- if (! mode_is_numP(mode))
+ if (! mode_is_data(mode))
return;
if (mode_is_reference(mode)) {
ir_node *pred = get_irn_n(node, i);
mode = get_irn_op_mode(pred);
- if (! mode_is_numP(mode))
+ if (! mode_is_data(mode))
continue;
set_adr_mark(graph, pred, get_adr_mark(graph, pred) | mark_preds);
graph->is_leaf_call = LCS_UNKNOWN;
graph->is_recursive = 0;
graph->is_chain_call = 1;
+ graph->is_strict = 1;
/* create new block counter */
graph->block_hash = new_pset(block_cmp, 5);
*/
static void update_graph_stat_2(graph_entry_t *global, graph_entry_t *graph)
{
+ (void) global;
if (graph->is_deleted) {
/* deleted, ignore */
return;
* Register a dumper.
*/
static void stat_register_dumper(const dumper_t *dumper) {
- dumper_t *p = xmalloc(sizeof(*p));
+ dumper_t *p = XMALLOC(dumper_t);
- if (p) {
- memcpy(p, dumper, sizeof(*p));
+ memcpy(p, dumper, sizeof(*p));
- p->next = status->dumper;
- p->status = status;
- status->dumper = p;
- }
+ p->next = status->dumper;
+ p->status = status;
+ status->dumper = p;
/* FIXME: memory leak */
} /* stat_register_dumper */
dumper_t *dumper;
for (dumper = status->dumper; dumper; dumper = dumper->next) {
- if (dumper->dump_const_tbl)
+ if (dumper->dump_param_tbl)
dumper->dump_param_tbl(dumper, tbl, global);
} /* for */
-}
+} /* stat_dump_param_tbl */
+
+/**
+ * Dumps the optimization counter
+ */
+static void stat_dump_opt_cnt(const counter_t *tbl, unsigned len) {
+ dumper_t *dumper;
+
+ 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 */
/**
* Initialize the dumper.
* @param op the new IR opcode that was created.
*/
static void stat_new_ir_op(void *ctx, ir_op *op) {
+ (void) ctx;
if (! status->stat_options)
return;
* @param op the IR opcode that is freed
*/
static void stat_free_ir_op(void *ctx, ir_op *op) {
+ (void) ctx;
+ (void) op;
if (! status->stat_options)
return;
* @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;
* @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;
* @param ent the entity of this graph
*/
static void stat_new_graph(void *ctx, ir_graph *irg, ir_entity *ent) {
+ (void) ctx;
if (! status->stat_options)
return;
graph->is_leaf_call = 0;
graph->is_recursive = 0;
graph->is_chain_call = 0;
+ graph->is_strict = 1;
graph->is_analyzed = 0;
}
STAT_LEAVE;
* 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;
*/
static void stat_irg_walk(void *ctx, ir_graph *irg, generic_func *pre, generic_func *post)
{
+ (void) ctx;
+ (void) pre;
+ (void) post;
if (! status->stat_options)
return;
*/
static void stat_irg_block_walk(void *ctx, ir_graph *irg, ir_node *node, generic_func *pre, generic_func *post)
{
+ (void) ctx;
+ (void) node;
+ (void) pre;
+ (void) post;
if (! status->stat_options)
return;
*
* @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
*/
-static void removed_due_opt(ir_node *n, hmap_opt_entry_t *hmap) {
- ir_op *op = stat_get_irn_op(n);
- opt_entry_t *entry = opt_get_entry(op, hmap);
+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 */
ir_node **old_node_array, int old_num_entries,
hook_opt_kind opt)
{
+ (void) ctx;
if (! status->stat_options)
return;
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;
xopt = HOOK_OPT_CONFIRM_C;
} /* if */
- removed_due_opt(old_node_array[i], graph->opt_hash[xopt]);
+ removed_due_opt(old_node_array[i], graph->opt_hash[xopt], xopt);
} /* if */
} /* for */
}
* @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;
* @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;
{
graph_entry_t *graph = graph_get_entry(current_ir_graph, status->irg_hash);
- removed_due_opt(node, graph->opt_hash[HOOK_LOWERED]);
+ removed_due_opt(node, graph->opt_hash[HOOK_LOWERED], HOOK_LOWERED);
}
STAT_LEAVE;
} /* stat_lower */
*/
static void stat_inline(void *ctx, ir_node *call, ir_graph *called_irg)
{
+ (void) ctx;
if (! status->stat_options)
return;
* @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;
* @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;
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]);
+ removed_due_opt(strong, graph->opt_hash[HOOK_OPT_STRENGTH_RED], HOOK_OPT_STRENGTH_RED);
}
STAT_LEAVE;
} /* stat_strength_red */
* @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;
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;
*/
static void stat_func_call(void *context, ir_graph *irg, ir_node *call)
{
+ (void) context;
+ (void) call;
if (! status->stat_options)
return;
* @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]);
+ removed_due_opt(mul, graph->opt_hash[HOOK_OPT_ARCH_DEP], HOOK_OPT_ARCH_DEP);
}
STAT_LEAVE;
} /* stat_arch_dep_replace_mul_with_shifts */
* @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]);
+ removed_due_opt(node, graph->opt_hash[HOOK_OPT_ARCH_DEP], HOOK_OPT_ARCH_DEP);
}
STAT_LEAVE;
} /* stat_arch_dep_replace_division_by_const */
++p;
l = p - name;
- if (l > sizeof(fname) - 1)
+ if (l > (int) (sizeof(fname) - 1))
l = sizeof(fname) - 1;
memcpy(fname, name, l);
/* 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);
if (! (enable_options & FIRMSTAT_ENABLED))
return;
- status = xmalloc(sizeof(*status));
- memset(status, 0, sizeof(*status));
+ status = XMALLOCZ(stat_info_t);
/* enable statistics */
status->stat_options = enable_options & FIRMSTAT_ENABLED ? enable_options : 0;
_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_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_DivC = NULL;
status->op_ModC = NULL;
status->op_DivModC = NULL;
+ status->op_QuotC = NULL;
} /* if */
/* for Florian: count the Sel depth */
/* distribution table for parameter counts */
status->dist_param_cnt = stat_new_int_distrib_tbl();
+ clear_optimization_counter();
+
#undef HOOK
#undef X
} /* firm_init_stat */