-/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
-** All rights reserved.
-**
-** Authors: Martin Trapp, Christian Schaefer
-**
-** irgraph.h: ir graph construction
-*/
-
-/* $Id$ */
-
-# ifndef _IRGRAPH_T_H_
-# define _IRGRAPH_T_H_
-# include "obst.h"
-# include "pset.h"
-# include "irgraph.h"
-# include "common_t.h"
+/*
+ * 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
+ *
+ * ir graph construction.
+ *
+ * @author Martin Trapp, Christian Schaefer
+ */
+
+
+#ifndef _IRGRAPH_T_H_
+#define _IRGRAPH_T_H_
+
+#include "irgraph.h"
+
+#include "firm_common_t.h"
+#include "irtypeinfo.h"
+#include "irprog.h"
+
+#include "irloop.h"
+
+#include "obst.h"
+#include "pset.h"
+#include "type_t.h"
#define FRAME_TP_SUFFIX "frame_tp"
-/* ir_graph holds all information for a procedure */
+/** ir_graph holds all information for a procedure */
struct ir_graph {
- /** Basics of the representation **/
- struct entity *ent; /* The entity of this procedure, i.e.,
- the type of the procedure and the
- class it belongs to. */
- struct type *frame_type; /* A class type representing the stack frame.
- Can include "inner" methods. */
- struct ir_node *start_block; /* block the start node will belong to */
- struct ir_node *start; /* start node of this ir_graph */
- struct ir_node *end_block; /* block the end node will belong to */
- struct ir_node *end; /* end node of this ir_graph */
- struct ir_node *cstore; /* constant store -- no more needed!! */
- struct ir_node *frame; /* method's frame */
- struct ir_node *globals; /* pointer to the data segment containing all
- globals as well as global procedures. */
- struct ir_node *args; /* methods arguments */
- struct ir_node *bad; /* bad node of this ir_graph, the one and
- only in this graph */
- struct ir_node *unknown; /* unknown node of this ir_graph */
- struct obstack *obst; /* obstack where all of the ir_nodes live */
- struct ir_node *current_block; /* block for newly gen_*()-erated
- ir_nodes */
-
- /** Fields indicating different states of irgraph **/
- irg_phase_state phase_state; /* compiler phase */
- op_pinned pinned; /* Flag for status of nodes */
- irg_outs_state outs_state; /* Out edges. */
- irg_dom_state dom_state; /* Dominator information */
-
- /** Fields for construction **/
+ firm_kind kind; /**< always set to k_ir_graph*/
+ /* -- Basics of the representation -- */
+ struct entity *ent; /**< The entity of this procedure, i.e.,
+ the type of the procedure and the
+ class it belongs to. */
+ struct type *frame_type; /**< A class type representing the stack frame.
+ Can include "inner" methods. */
+ struct ir_node *start_block; /**< block the start node will belong to */
+ struct ir_node *start; /**< start node of this ir_graph */
+ struct ir_node *end_block; /**< block the end node will belong to */
+ struct ir_node *end; /**< end node of this ir_graph */
+ struct ir_node *end_reg; /**< end node of this ir_graph */
+ struct ir_node *end_except; /**< end node of this ir_graph */
+ struct ir_node *cstore; /**< constant store -- no more needed!! */
+ struct ir_node *frame; /**< method's frame */
+ struct ir_node *globals; /**< pointer to the data segment containing all
+ globals as well as global procedures. */
+ struct ir_node *initial_mem; /**< initial memory of this graph */
+ struct ir_node *args; /**< methods arguments */
+ struct ir_node *bad; /**< bad node of this ir_graph, the one and
+ only in this graph */
+ /* GL removed: we need unknown with mode for analyses. */
+ /* struct ir_node *unknown;*/ /**< unknown node of this ir_graph */
+ struct obstack *obst; /**< obstack where all of the ir_nodes live */
+ struct ir_node *current_block; /**< block for newly gen_*()-erated
+ ir_nodes */
+
+ /* -- Fields indicating different states of irgraph -- */
+ irg_phase_state phase_state; /**< compiler phase */
+ op_pin_state op_pin_state_pinned; /**< Flag for status of nodes */
+ irg_outs_state outs_state; /**< Out edges. */
+ irg_dom_state dom_state; /**< Dominator information */
+ irg_typeinfo_state typeinfo_state; /**< Validity of type information */
+ irg_callee_info_state callee_info_state; /**< Validity of callee information */
+ irg_inline_property inline_property; /**< How to handle inlineing. */
+ irg_loopinfo_state loopinfo_state; /**< state of loop information */
+
+ /* -- 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 variable in this
procedure including procedure parameters. */
- /** Fields for optimizations / analysis information **/
- pset *value_table; /* hash table for global value numbering (cse)
+ /* -- Fields for optimizations / analysis information -- */
+ pset *value_table; /**< hash table for global value numbering (cse)
for optimizing use in iropt.c */
- struct ir_node **outs; /* Space for the out arrays. */
- struct ir_loop *loop; /* The outermost loop */
- void *link; /* A void* field to link any information to
- the node. */
+ struct ir_node **outs; /**< Space for the out arrays. */
- /** Fields for Walking the graph **/
- unsigned long visited; /* this flag is an identifier for
+#ifdef DEBUG_libfirm
+ int n_outs; /* < Size wasted for outs */
+#endif /* defined DEBUG_libfirm */
+ struct ir_loop *loop; /**< The outermost loop */
+ void *link; /**< A void* field to link any information to
+ the node. */
+
+ ir_graph **callers; /**< For callgraph analyses. */
+ int *caller_isbe; /**< For callgraph analyses: set if backedge. */
+ ir_graph **callees; /**< For callgraph analyses. */
+ int *callee_isbe; /**< For callgraph analyses: set if backedge. */
+ int callgraph_loop_depth;
+ int callgraph_recursion_depth;
+ ir_loop *l;
+
+ /* -- Fields for Walking the graph -- */
+ unsigned long visited; /**< this flag is an identifier for
ir walk. it will be incremented
every time someone walks through
the graph */
- unsigned long block_visited; /* same as visited, for a complete block */
+ unsigned long block_visited; /**< same as visited, for a complete block */
+#ifdef DEBUG_libfirm
+ int graph_nr; /**< a unique graph number for each graph to make output
+ readable. */
+#endif
};
-/* Make a rudimentary ir graph for the constant code.
+/**
+ * Initializes the graph construction module
+ */
+void init_irgraph(void);
+
+/** Make a rudimentary ir graph for the constant code.
Must look like a correct irg, spare everything else. */
-ir_graph *new_const_code_irg();
+ir_graph *new_const_code_irg(void);
+/**
+ * Set the op_pin_state_pinned state of a graph.
+ *
+ * @param irg the IR graph
+ * @param p new pin state
+ */
INLINE void
-set_irg_pinned (ir_graph *irg, op_pinned p);
+set_irg_pinned (ir_graph *irg, op_pin_state p);
+
+/** Returns the obstack associated with the graph. */
+struct obstack *get_irg_obstack(const ir_graph *irg);
+
+/**
+ * Returns true if the node n is allocated on the storage of graph irg.
+ *
+ * @param irg the IR graph
+ * @param n the IR node
+ */
+int node_is_in_irgs_storage(ir_graph *irg, ir_node *n);
+
+/*-------------------------------------------------------------------*/
+/* inline functions for graphs */
+/*-------------------------------------------------------------------*/
+
+extern int __interprocedural_view;
+
+static INLINE int
+__get_interprocedural_view(void) {
+ return __interprocedural_view;
+}
+
+static INLINE int
+__is_ir_graph(const void *thing) {
+ return (get_kind(thing) == k_ir_graph);
+}
+
+/** Returns the start block of a graph. */
+static INLINE ir_node *
+__get_irg_start_block(const ir_graph *irg) {
+ return irg->start_block;
+}
+
+static INLINE void
+__set_irg_start_block(ir_graph *irg, ir_node *node) {
+ irg->start_block = node;
+}
+
+static INLINE ir_node *
+__get_irg_start(const ir_graph *irg) {
+ return irg->start;
+}
+
+static INLINE void
+__set_irg_start(ir_graph *irg, ir_node *node) {
+ irg->start = node;
+}
+
+static INLINE ir_node *
+__get_irg_end_block(const ir_graph *irg) {
+ return irg->end_block;
+}
+
+static INLINE void
+__set_irg_end_block(ir_graph *irg, ir_node *node) {
+ irg->end_block = node;
+}
+
+static INLINE ir_node *
+__get_irg_end(const ir_graph *irg) {
+ return irg->end;
+}
+
+static INLINE void
+__set_irg_end(ir_graph *irg, ir_node *node) {
+ irg->end = node;
+}
+
+static INLINE ir_node *
+__get_irg_end_reg(const ir_graph *irg) {
+ return irg->end_reg;
+}
+
+static INLINE ir_node *
+__get_irg_end_except (const ir_graph *irg) {
+ return irg->end_except;
+}
+
+static INLINE ir_node *
+__get_irg_cstore(const ir_graph *irg) {
+ return irg->cstore;
+}
+
+static INLINE void
+__set_irg_cstore(ir_graph *irg, ir_node *node) {
+ irg->cstore = node;
+}
+
+static INLINE ir_node *
+__get_irg_frame(const ir_graph *irg) {
+ return irg->frame;
+}
+
+static INLINE void
+__set_irg_frame(ir_graph *irg, ir_node *node) {
+ irg->frame = node;
+}
+
+static INLINE ir_node *
+__get_irg_globals(const ir_graph *irg) {
+ return irg->globals;
+}
+
+static INLINE void
+__set_irg_globals(ir_graph *irg, ir_node *node) {
+ irg->globals = node;
+}
+
+static INLINE ir_node *
+__get_irg_initial_mem(const ir_graph *irg) {
+ return irg->initial_mem;
+}
+
+static INLINE void
+__set_irg_initial_mem(ir_graph *irg, ir_node *node) {
+ irg->initial_mem = node;
+}
+
+static INLINE ir_node *
+__get_irg_args(const ir_graph *irg) {
+ return irg->args;
+}
+
+static INLINE void
+__set_irg_args(ir_graph *irg, ir_node *node) {
+ irg->args = node;
+}
+
+static INLINE ir_node *
+__get_irg_bad(const ir_graph *irg) {
+ return irg->bad;
+}
+
+static INLINE void
+__set_irg_bad(ir_graph *irg, ir_node *node) {
+ irg->bad = node;
+}
+
+static INLINE ir_node *
+__get_irg_current_block(const ir_graph *irg) {
+ return irg->current_block;
+}
+
+static INLINE void
+__set_irg_current_block(ir_graph *irg, ir_node *node) {
+ irg->current_block = node;
+}
+
+static INLINE 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) {
+ irg->ent = ent;
+}
+
+static INLINE type *
+__get_irg_frame_type(const ir_graph *irg) {
+ assert(irg && irg->frame_type);
+ return irg->frame_type;
+}
+
+static INLINE void
+__set_irg_frame_type(ir_graph *irg, type *ftp) {
+ assert(is_class_type(ftp));
+ irg->frame_type = ftp;
+}
+
+static INLINE struct obstack *
+__get_irg_obstack(const ir_graph *irg) {
+ return irg->obst;
+}
+
+
+static INLINE irg_phase_state
+__get_irg_phase_state(const ir_graph *irg) {
+ return irg->phase_state;
+}
+
+static INLINE void
+__set_irg_phase_low(ir_graph *irg) {
+ irg->phase_state = phase_low;
+}
+
+static INLINE op_pin_state
+__get_irg_pinned(const ir_graph *irg) {
+ return irg->op_pin_state_pinned;
+}
+
+static INLINE irg_outs_state
+__get_irg_outs_state(const ir_graph *irg) {
+ return irg->outs_state;
+}
+
+static INLINE void
+__set_irg_outs_inconsistent(ir_graph *irg) {
+ irg->outs_state = outs_inconsistent;
+}
+
+static INLINE irg_dom_state
+__get_irg_dom_state(const ir_graph *irg) {
+ return irg->dom_state;
+}
+
+static INLINE void
+__set_irg_dom_inconsistent(ir_graph *irg) {
+ irg->dom_state = dom_inconsistent;
+}
+
+static INLINE irg_loopinfo_state
+__get_irg_loopinfo_state(const ir_graph *irg) {
+ return irg->loopinfo_state;
+}
+
+static INLINE void
+__set_irg_loopinfo_state(ir_graph *irg, irg_loopinfo_state s) {
+ irg->loopinfo_state = s;
+}
+
+static INLINE void
+__set_irg_pinned(ir_graph *irg, op_pin_state p) {
+ irg->op_pin_state_pinned = p;
+}
+
+static INLINE irg_callee_info_state
+__get_irg_callee_info_state(const ir_graph *irg) {
+ return irg->callee_info_state;
+}
+
+static INLINE void
+__set_irg_callee_info_state(ir_graph *irg, irg_callee_info_state s) {
+ irg_callee_info_state irp_state = get_irp_callee_info_state();
+
+ irg->callee_info_state = s;
+
+ /* I could compare ... but who knows? */
+ if ((irp_state == irg_callee_info_consistent) ||
+ ((irp_state == irg_callee_info_inconsistent) && (s == irg_callee_info_none)))
+ set_irp_callee_info_state(s);
+}
+
+static INLINE irg_inline_property
+__get_irg_inline_property(const ir_graph *irg) {
+ return irg->inline_property;
+}
+
+static INLINE void
+__set_irg_inline_property(ir_graph *irg, irg_inline_property s) {
+ irg->inline_property = s;
+}
+
+static INLINE void
+__set_irg_link(ir_graph *irg, void *thing) {
+ irg->link = thing;
+}
+
+static INLINE void *
+__get_irg_link(const ir_graph *irg) {
+ return irg->link;
+}
+
+static INLINE unsigned long
+__get_irg_visited(const ir_graph *irg) {
+ return irg->visited;
+}
+
+static INLINE unsigned long
+__get_irg_block_visited(const ir_graph *irg) {
+ return irg->block_visited;
+}
+
+static INLINE void
+__set_irg_block_visited(ir_graph *irg, unsigned long visited) {
+ irg->block_visited = visited;
+}
+
+static INLINE void
+__inc_irg_block_visited(ir_graph *irg) {
+ ++irg->block_visited;
+}
+
+#define get_interprocedural_view() __get_interprocedural_view()
+#define is_ir_graph(thing) __is_ir_graph(thing)
+#define get_irg_start_block(irg) __get_irg_start_block(irg)
+#define set_irg_start_block(irg, node) __set_irg_start_block(irg, node)
+#define get_irg_start(irg) __get_irg_start(irg)
+#define set_irg_start(irg, node) __set_irg_start(irg, node)
+#define get_irg_end_block(irg) __get_irg_end_block(irg)
+#define set_irg_end_block(irg, node) __set_irg_end_block(irg, node)
+#define get_irg_end(irg) __get_irg_end(irg)
+#define set_irg_end(irg, node) __set_irg_end(irg, node)
+#define get_irg_end_reg(irg) __get_irg_end_reg(irg)
+#define get_irg_end_except(irg) __get_irg_end_except(irg)
+#define get_irg_cstore(irg) __get_irg_cstore(irg)
+#define set_irg_cstore(irg, node) __set_irg_cstore(irg, node)
+#define get_irg_frame(irg) __get_irg_frame(irg)
+#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_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_bad(irg) __get_irg_bad(irg)
+#define set_irg_bad(irg, node) __set_irg_bad(irg, node)
+#define get_irg_current_block(irg) __get_irg_current_block(irg)
+#define set_irg_current_block(irg, node) __set_irg_current_block(irg, node)
+#define get_irg_entity(irg) __get_irg_entity(irg)
+#define set_irg_entity(irg, ent) __set_irg_entity(irg, ent)
+#define get_irg_frame_type(irg) __get_irg_frame_type(irg)
+#define set_irg_frame_type(irg, ftp) __set_irg_frame_type(irg, ftp)
+#define get_irg_obstack(irg) __get_irg_obstack(irg)
+#define get_irg_phase_state(irg) __get_irg_phase_state(irg)
+#define set_irg_phase_low(irg) __set_irg_phase_low(irg)
+#define get_irg_pinned(irg) __get_irg_pinned(irg)
+#define get_irg_outs_state(irg) __get_irg_outs_state(irg)
+#define set_irg_outs_inconsistent(irg) __set_irg_outs_inconsistent(irg)
+#define get_irg_dom_state(irg) __get_irg_dom_state(irg)
+#define set_irg_dom_inconsistent(irg) __set_irg_dom_inconsistent(irg)
+#define get_irg_loopinfo_state(irg) __get_irg_loopinfo_state(irg)
+#define set_irg_loopinfo_state(irg, s) __set_irg_loopinfo_state(irg, s)
+#define set_irg_pinned(irg, p) __set_irg_pinned(irg, p)
+#define get_irg_callee_info_state(irg) __get_irg_callee_info_state(irg)
+#define set_irg_callee_info_state(irg, s) __set_irg_callee_info_state(irg, s)
+#define get_irg_inline_property(irg) __get_irg_inline_property(irg)
+#define set_irg_inline_property(irg, s) __set_irg_inline_property(irg, s)
+#define set_irg_link(irg, thing) __set_irg_link(irg, thing)
+#define get_irg_link(irg) __get_irg_link(irg)
+#define get_irg_visited(irg) __get_irg_visited(irg)
+#define get_irg_block_visited(irg) __get_irg_block_visited(irg)
+#define set_irg_block_visited(irg, v) __set_irg_block_visited(irg, v)
+#define inc_irg_block_visited(irg) __inc_irg_block_visited(irg)
# endif /* _IRGRAPH_T_H_ */
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