/*
- * Project: libFIRM
- * File name: ir/ir/irgraph.c
- * Purpose: Entry point to the representation of procedure code -- internal header.
- * Author: Martin Trapp, Christian Schaefer
- * Modified by: Goetz Lindenmaier
- * Created:
- * CVS-ID: $Id$
- * Copyright: (c) 1998-2003 Universität Karlsruhe
- * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
- */
-
-/**
- * @file irgraph_t.h
+ * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
*
- * ir graph construction.
+ * This file is part of libFirm.
*
- * @author Martin Trapp, Christian Schaefer
+ * 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.
*/
-
-#ifndef _IRGRAPH_T_H_
-#define _IRGRAPH_T_H_
+/**
+ * @file
+ * @brief Entry point to the representation of procedure code -- internal header.
+ * @author Martin Trapp, Christian Schaefer, Goetz Lindenmaier, Michael Beck
+ * @version $Id$
+ */
+#ifndef FIRM_IR_IRGRAPH_T_H
+#define FIRM_IR_IRGRAPH_T_H
#include "firm_types.h"
#include "irgraph.h"
#include "entity_t.h"
#include "typegmod.h"
#include "tr_inheritance.h"
+#include "iredgekinds.h"
+#include "irmemory.h"
#include "irloop.h"
#include "execution_frequency.h"
#include "pset.h"
#include "set.h"
+/** Prefix that is added to every frame type. */
#define FRAME_TP_SUFFIX "frame_tp"
/**
* Edge info to put into an irg.
*/
typedef struct _irg_edge_info_t {
- set *edges;
- unsigned activated : 1;
+ set *edges; /**< a set containing all edges of a graph. */
+ unsigned activated : 1; /**< set if edges are activated for the graph. */
} irg_edge_info_t;
+typedef irg_edge_info_t irg_edges_info_t[EDGE_KIND_LAST];
+
/**
* Index constants for nodes that can be accessed through the graph itself.
*/
enum irg_anchors {
- anchor_start_block = 0, /**< block the start node will belong to */
- anchor_start, /**< start node of this ir_graph */
- anchor_end_block, /**< block the end node will belong to */
- anchor_end, /**< end node of this ir_graph */
- anchor_end_reg, /**< end node of this ir_graph */
- anchor_end_except, /**< end node of this ir_graph */
- anchor_frame, /**< method's frame */
- anchor_globals, /**< pointer to the data segment containing all
- globals as well as global procedures. */
- anchor_initial_mem, /**< initial memory of this graph */
- anchor_args, /**< methods arguments */
- anchor_bad, /**< bad node of this ir_graph, the one and
- only in this graph */
- anchor_no_mem, /**< NoMem node of this ir_graph, the one and only in this graph */
+ anchor_start_block = 0, /**< block the start node will belong to */
+ anchor_start, /**< start node of this ir_graph */
+ anchor_end_block, /**< block the end node will belong to */
+ anchor_end, /**< end node of this ir_graph */
+ anchor_end_reg, /**< end node of this ir_graph */
+ anchor_end_except, /**< end node of this ir_graph */
+ anchor_frame, /**< method's frame */
+ anchor_globals, /**< pointer to the data segment containing all
+ globals as well as global procedures. */
+ anchor_tls, /**< pointer to the thread local storage containing all
+ thread local data. */
+ anchor_initial_mem, /**< initial memory of this graph */
+ anchor_args, /**< methods arguments */
+ anchor_value_param_base, /**< method value param base */
+ anchor_bad, /**< bad node of this ir_graph, the one and
+ only in this graph */
+ anchor_no_mem, /**< NoMem node of this ir_graph, the one and only in this graph */
anchor_max
};
-/** ir_graph holds all information for a procedure */
+/** A callgraph entry for callees. */
+typedef struct cg_callee_entry {
+ ir_graph *irg; /**< The called irg. */
+ ir_node **call_list; /**< The list of all calls to the irg. */
+ int max_depth; /**< Maximum depth of all Call nodes to irg. */
+} cg_callee_entry;
+
+/**
+ * An ir_graph holds all information for a procedure.
+ */
struct ir_graph {
- firm_kind kind; /**< always set to k_ir_graph*/
+ firm_kind kind; /**< Always set to k_ir_graph. */
/* -- Basics of the representation -- */
- entity *ent; /**< The entity of this procedure, i.e.,
- the type of the procedure and the
- class it belongs to. */
+ ir_entity *ent; /**< The entity of this procedure, i.e.,
+ the type of the procedure and the
+ class it belongs to. */
ir_type *frame_type; /**< A class type representing the stack frame.
Can include "inner" methods. */
- ir_node *anchors[anchor_max]; /**< anchor nodes */
- ir_node **proj_args; /**< projs of the methods arguments */
- struct obstack *obst; /**< obstack where all of the ir_nodes live */
- ir_node *current_block; /**< block for newly gen_*()-erated ir_nodes */
- struct obstack *extbb_obst; /**< obstack for extended basic block info */
+ ir_node *anchors[anchor_max]; /**< List of anchor nodes. */
+ ir_node **proj_args; /**< Projs of the methods arguments. */
+ struct obstack *obst; /**< The obstack where all of the ir_nodes live. */
+ ir_node *current_block; /**< Current block for newly gen_*()-erated ir_nodes. */
+ struct obstack *extbb_obst; /**< The obstack for extended basic block info. */
- unsigned last_node_idx; /**< last IR node index for this graph */
+ unsigned last_node_idx; /**< The last IR node index for this graph. */
/* -- Fields for graph properties -- */
irg_inline_property inline_property; /**< How to handle inlineing. */
- unsigned additional_properties; /**< additional graph properties. */
+ unsigned additional_properties; /**< Additional graph properties. */
/* -- Fields indicating different states of irgraph -- */
- irg_phase_state phase_state; /**< compiler phase */
- op_pin_state irg_pinned_state; /**< Flag for status of nodes */
+ irg_phase_state phase_state; /**< Compiler phase. */
+ op_pin_state irg_pinned_state; /**< Flag for status of nodes. */
irg_outs_state outs_state; /**< Out edges. */
- irg_dom_state dom_state; /**< Dominator state information */
- irg_dom_state pdom_state; /**< Post Dominator state information */
- ir_typeinfo_state typeinfo_state; /**< Validity of type information */
- irg_callee_info_state callee_info_state; /**< Validity of callee information */
- irg_loopinfo_state loopinfo_state; /**< state of loop information */
- exec_freq_state execfreq_state; /**< state of execution frequency information */
- ir_class_cast_state class_cast_state; /**< kind of cast operations in code. */
- irg_extblk_info_state extblk_state; /**< state of extended basic block info */
+ irg_dom_state dom_state; /**< Dominator state information. */
+ irg_dom_state pdom_state; /**< Post Dominator state information. */
+ ir_typeinfo_state typeinfo_state; /**< Validity of type information. */
+ irg_callee_info_state callee_info_state; /**< Validity of callee information. */
+ irg_loopinfo_state loopinfo_state; /**< State of loop information. */
+ ir_class_cast_state class_cast_state; /**< Kind of cast operations in code. */
+ irg_extblk_info_state extblk_state; /**< State of extended basic block info. */
+ exec_freq_state execfreq_state; /**< Execution frequency state. */
+ ir_address_taken_computed_state adr_taken_state; /**< Address taken state. */
+ unsigned mem_disambig_opt; /**< Options for the memory disambiguator. */
+ unsigned fp_model; /**< floating point model of the graph. */
/* -- Fields for construction -- */
#if USE_EXPLICIT_PHI_IN_STACK
- struct Phi_in_stack *Phi_in_stack; /**< needed for automatic Phi construction */
+ struct Phi_in_stack *Phi_in_stack; /**< Needed for automatic Phi construction. */
#endif
- int n_loc; /**< number of local variable in this
+ int n_loc; /**< Number of local variables in this
procedure including procedure parameters. */
- void **loc_descriptions; /**< storage for local variable desriptions */
+ void **loc_descriptions; /**< Storage for local variable descriptions. */
/* -- Fields for optimizations / analysis information -- */
- pset *value_table; /**< hash table for global value numbering (cse)
- for optimizing use in iropt.c */
+ pset *value_table; /**< Hash table for global value numbering (cse)
+ for optimizing use in iropt.c */
ir_node **outs; /**< Space for the out arrays. */
-#ifdef DEBUG_libfirm
- int n_outs; /**< Size wasted for outs */
-#endif /* defined DEBUG_libfirm */
- ir_loop *loop; /**< The outermost loop */
+ ir_loop *loop; /**< The outermost loop for this graph. */
void *link; /**< A void* field to link any information to
- the node. */
+ the node. */
- ir_graph **callers; /**< For callgraph analysis. */
+ ir_graph **callers; /**< For callgraph analysis: list of caller graphs. */
unsigned char *caller_isbe; /**< For callgraph analysis: set if backedge. */
- ir_graph **callees; /**< For callgraph analysis. */
+ cg_callee_entry **callees; /**< For callgraph analysis: list of callee calls */
unsigned char *callee_isbe; /**< For callgraph analysis: set if backedge. */
int callgraph_loop_depth; /**< For callgraph analysis */
int callgraph_recursion_depth; /**< For callgraph analysis */
double method_execution_frequency; /**< For callgraph analysis */
- ir_loop *l;
+ ir_loop *l; /**< For callgraph analysis. */
/* -- Fields for Walking the graph -- */
unsigned long visited; /**< this flag is an identifier for
every time someone walks through
the graph */
unsigned long block_visited; /**< same as visited, for a complete block */
+
+#ifndef NDEBUG
+ unsigned using_visited : 1; /**< set to 1 if we are currently using the visited flag */
+ unsigned using_block_visited : 1; /**< set to 1 if we are currently using the block_visited flag */
+ unsigned using_irn_link : 1; /**< set to 1 if we are currently using the irn_link fields */
+#endif
+
unsigned estimated_node_count; /**< estimated number of nodes in this graph,
updated after every walk */
-#if FIRM_EDGES_INPLACE
- irg_edge_info_t edge_info; /**< edge info for automatic outs */
-#endif
+ irg_edges_info_t edge_info; /**< edge info for automatic outs */
+ ir_node **idx_irn_map; /**< Array mapping node indexes to nodes. */
+
#ifdef DEBUG_libfirm
- long graph_nr; /**< a unique graph number for each graph to make output
- readable. */
+ int n_outs; /**< Size wasted for outs */
+ long graph_nr; /**< a unique graph number for each graph to make output
+ readable. */
#endif
};
void firm_init_irgraph(void);
/* Internal constructor that does not add to irp_irgs or the like. */
-ir_graph *new_r_ir_graph (entity *ent, int n_loc);
+ir_graph *new_r_ir_graph (ir_entity *ent, int n_loc);
/** Make a rudimentary ir graph for the constant code.
Must look like a correct irg, spare everything else. */
irg->anchors[anchor_globals] = node;
}
+static INLINE ir_node *
+_get_irg_tls(const ir_graph *irg) {
+ return irg->anchors[anchor_tls];
+}
+
+static INLINE void
+_set_irg_tls(ir_graph *irg, ir_node *node) {
+ irg->anchors[anchor_tls] = node;
+}
+
static INLINE ir_node *
_get_irg_initial_mem(const ir_graph *irg) {
return irg->anchors[anchor_initial_mem];
irg->anchors[anchor_args] = node;
}
+static INLINE ir_node *
+_get_irg_value_param_base(const ir_graph *irg) {
+ return irg->anchors[anchor_value_param_base];
+}
+
+static INLINE void
+_set_irg_value_param_base(ir_graph *irg, ir_node *node) {
+ irg->anchors[anchor_value_param_base] = node;
+}
+
static INLINE ir_node **
_get_irg_proj_args(const ir_graph *irg) {
return irg->proj_args;
irg->current_block = node;
}
-static INLINE entity *
+static INLINE ir_entity *
_get_irg_entity(const ir_graph *irg) {
assert(irg && irg->ent);
return irg->ent;
}
static INLINE void
-_set_irg_entity(ir_graph *irg, entity *ent) {
+_set_irg_entity(ir_graph *irg, ir_entity *ent) {
irg->ent = ent;
}
return irg->estimated_node_count;
}
+/* Return the floating point model of this graph. */
+static INLINE unsigned
+_get_irg_fp_model(const ir_graph *irg) {
+ return irg->fp_model;
+}
+
/**
- * Returns the next IR node index for the given graph.
+ * Allocates a new idx in the irg for the node and adds the irn to the idx -> irn map.
+ * @param irg The graph.
+ * @param irn The node.
+ * @return The index allocated for the node.
*/
static INLINE unsigned
-get_irg_next_node_idx(ir_graph *irg) {
- return irg->last_node_idx++;
+irg_register_node_idx(ir_graph *irg, ir_node *irn)
+{
+ unsigned idx = irg->last_node_idx++;
+ if(idx >= (unsigned) ARR_LEN(irg->idx_irn_map))
+ ARR_RESIZE(ir_node *, irg->idx_irn_map, idx + 1);
+
+ irg->idx_irn_map[idx] = irn;
+ return idx;
}
/**
*/
static INLINE void
irg_kill_node(ir_graph *irg, ir_node *n) {
- if (get_irn_idx(n) + 1 == irg->last_node_idx)
- --irg->last_node_idx;
- obstack_free(irg->obst, n);
+ unsigned idx = get_irn_idx(n);
+ if (idx + 1 == irg->last_node_idx)
+ --irg->last_node_idx;
+ irg->idx_irn_map[idx] = NULL;
+ obstack_free(irg->obst, n);
+}
+
+/**
+ * Get the node for an index.
+ * @param irg The graph.
+ * @param idx The index you want the node for.
+ * @return The node with that index or NULL, if there is no node with that index.
+ * @note The node you got might be dead.
+ */
+static INLINE ir_node *
+get_idx_irn(ir_graph *irg, unsigned idx) {
+ assert(idx < (unsigned) ARR_LEN(irg->idx_irn_map));
+ return irg->idx_irn_map[idx];
}
#define get_interprocedural_view() _get_interprocedural_view()
#define set_irg_frame(irg, node) _set_irg_frame(irg, node)
#define get_irg_globals(irg) _get_irg_globals(irg)
#define set_irg_globals(irg, node) _set_irg_globals(irg, node)
+#define get_irg_tls(irg) _get_irg_tls(irg)
+#define set_irg_tls(irg, node) _set_irg_tls(irg, node)
#define get_irg_initial_mem(irg) _get_irg_initial_mem(irg)
#define set_irg_initial_mem(irg, node) _set_irg_initial_mem(irg, node)
#define get_irg_args(irg) _get_irg_args(irg)
#define set_irg_args(irg, node) _set_irg_args(irg, node)
+#define get_irg_value_param_base(irg) _get_irg_value_param_base(irg)
+#define set_irg_value_param_base(irg, node) _set_irg_value_param_base(irg, node)
#define get_irg_bad(irg) _get_irg_bad(irg)
#define set_irg_bad(irg, node) _set_irg_bad(irg, node)
#define get_irg_no_mem(irg) _get_irg_no_mem(irg)
#define inc_irg_block_visited(irg) _inc_irg_block_visited(irg)
#define dec_irg_block_visited(irg) _dec_irg_block_visited(irg)
#define get_irg_estimated_node_cnt(irg) _get_irg_estimated_node_cnt(irg)
+#define get_irg_fp_model(irg) _get_irg_fp_model(irg)
-# endif /* _IRGRAPH_T_H_ */
+#endif
projects / libfirm / blobdiff