Added support for Mul/Div with constant detection

[libfirm] / ir / stat / firmstat.h

diff --git a/ir/stat/firmstat.h b/ir/stat/firmstat.h
index bb9ef03..cb38f81 100644 (file)
--- a/ir/stat/firmstat.h
+++ b/ir/stat/firmstat.h
@@ -1,6 +1,6 @@
 /*
  * Project:     libFIRM
- * File name:   ir/ir/firmstat.h
+ * File name:   ir/stat/firmstat.h
  * Purpose:     Statistics for Firm.
  * Author:      Michael Beck
  * Created:
@@ -8,38 +8,59 @@
  * Copyright:   (c) 2004 Universität Karlsruhe
  * Licence:     This file protected by GPL -  GNU GENERAL PUBLIC LICENSE.
  */
+#ifndef _FIRMSTAT_H_
+#define _FIRMSTAT_H_
 
+/**
+ * @file firmstat.h
+ */
+#include "irop.h"
+#include "irnode.h"
+#include "irgraph.h"
+
+/**
+ * Statistic options, can be or'ed.
+ */
+enum firmstat_options_t {
+  FIRMSTAT_ENABLED         = 0x00000001,       /**< enable statistics */
+  FIRMSTAT_PATTERN_ENABLED = 0x00000002,       /**< enable pattern calculation */
+  FIRMSTAT_COUNT_STRONG_OP = 0x00000004,       /**< if set, count Mul/Div/Mod/DivMod by constant */
+};
 
-# ifndef _FIRMSTAT_H_
-# define _FIRMSTAT_H_
+/**
+ * Finish the statistics.
+ * Never called from libFirm should be called from user.
+ *
+ * @param name   basename of the statistic output file
+ */
+void stat_finish(const char *name);
 
 #ifdef FIRM_STATISTICS
 
 typedef enum {
-  STAT_OPT_STG        = 0,             /**< straightening optimization */
-  STAT_OPT_IFSIM      = 1,             /**< if simplification */
-  STAT_OPT_ALGSIM     = 2,             /**< algebraic simplification */
-  STAT_OPT_PHI        = 3,             /**< Phi optmization */
-  STAT_OPT_WAW        = 4,             /**< Write-After-Write optimization */
-  STAT_OPT_WAR        = 5,             /**< Write-After-Read optimization */
-  STAT_OPT_TUPLE      = 6,             /**< Tuple optimization */
-  STAT_OPT_ID         = 7,             /**< ID optimization */
-  STAT_OPT_CONST_EVAL = 8,             /**< constant evaluation */
-  STAT_LOWERED        = 9,             /**< lowered */
-
-  STAT_OPT_MAX        = 10
-}
-stat_opt_kind;
+  STAT_OPT_STG,                        /**< straightening optimization */
+  STAT_OPT_IFSIM,              /**< if simplification */
+  STAT_OPT_ALGSIM,             /**< algebraic simplification */
+  STAT_OPT_PHI,                        /**< Phi optmization */
+  STAT_OPT_WAW,                        /**< Write-After-Write optimization */
+  STAT_OPT_WAR,                        /**< Write-After-Read optimization */
+  STAT_OPT_RAW,                        /**< Read-After-Write optimization */
+  STAT_OPT_RAR,                        /**< Read-After-Read optimization */
+  STAT_OPT_TUPLE,              /**< Tuple optimization */
+  STAT_OPT_ID,                 /**< ID optimization */
+  STAT_OPT_CONST_EVAL,         /**< constant evaluation */
+  STAT_OPT_STRENGTH_RED,       /**< strenght reduction */
+  STAT_LOWERED,                        /**< lowered */
+
+  STAT_OPT_MAX
+} stat_opt_kind;
 
 /**
  * initialize the statistics module.
+ *
+ * @param enable_options  Bitmask containing the statistic options
  */
-void stat_init(void);
-
-/**
- * Finish the statistics .
- */
-void stat_finish(void);
+void init_stat(unsigned enable_options);
 
 /**
  * A new IR op is registered.
@@ -54,12 +75,12 @@ void stat_free_ir_op(const ir_op *op);
 /**
  * A new node is created.
  */
-void stat_new_node(const ir_node *node);
+void stat_new_node(ir_node *node);
 
 /**
  * A node is changed into a Id node
  */
-void stat_turn_into_id(const ir_node *node);
+void stat_turn_into_id(ir_node *node);
 
 /**
  * A new graph was created
@@ -76,6 +97,11 @@ void stat_free_graph(ir_graph *irg);
  */
 void stat_irg_walk(ir_graph *irg, void *pre, void *post);
 
+/**
+ * A walk over a graph in block-wise order is initiated
+ */
+void stat_irg_walk_blkwise(ir_graph *irg, void *pre, void *post);
+
 /**
  * A walk over the graph's blocks is initiated
  */
@@ -99,6 +125,16 @@ void stat_lower(ir_node *node);
  */
 void stat_inline(ir_node *call, ir_graph *irg);
 
+/**
+ * A graph with tail-recursions was optimized.
+ */
+void stat_tail_rec(ir_graph *irg);
+
+/**
+ * Strength reduction was performed on an iteration variable.
+ */
+void stat_strength_red(ir_graph *irg, ir_node *strong, ir_node *cmp);
+
 /**
  * Start the dead node elimination.
  */
@@ -109,10 +145,19 @@ void stat_dead_node_elim_start(ir_graph *irg);
  */
 void stat_dead_node_elim_stop(ir_graph *irg);
 
+/**
+ * helper: get an ir_op from an opcode
+ *
+ * @param code  the opcode
+ *
+ * @return  The associated ir_op or NULL if the opcode could not be found.
+ */
+ir_op *stat_get_op_from_opcode(opcode code);
+
 #else
 
-#define stat_init()
-#define stat_finish()
+#define init_stat(enable_options)
+#define stat_finish(name)
 #define stat_new_ir_op(op)
 #define stat_free_ir_op(op)
 #define stat_new_node(node)
@@ -120,12 +165,15 @@ void stat_dead_node_elim_stop(ir_graph *irg);
 #define stat_new_graph(irg, ent)
 #define stat_free_graph(irg)
 #define stat_irg_walk(irg, pre, post)
+#define stat_irg_walk_blkwise(irg, pre, post)
 #define stat_irg_block_walk(irg, node, pre, post)
 #define stat_merge_nodes(new_node_array, new_num_entries, old_node_array, old_num_entries, opt)
 #define stat_lower(node)
 #define stat_inline(call, irg)
+#define stat_tail_rec(irg)
+#define stat_strength_red(irg, strong, cmp)
 #define stat_dead_node_elim_start(irg)
-#define stat_dead_node_elim_start(irg)
+#define stat_dead_node_elim_stop(irg)
 
 #endif