-/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
-* All rights reserved.
-*/
+/*
+ * Project: libFIRM
+ * File name: ir/ir/irnode_t.h
+ * Purpose: Representation of an intermediate operation -- private 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 irnode_t.h
* @author Martin Trapp, Christian Schaefer
*/
-/* $Id$ */
# ifndef _IRNODE_T_H_
# define _IRNODE_T_H_
#endif
# include "irnode.h"
-# include "xprintf.h"
# include "irop_t.h"
+# include "irgraph_t.h"
+# include "irflag_t.h"
# include "firm_common_t.h"
# include "irdom_t.h" /* For size of struct dom_info. */
# include "dbginfo.h"
+# include "irloop.h"
+# include "array.h"
-# include "exc.h"
+#include "set.h"
+#include "entity_t.h"
+#include "type_t.h"
/** ir node attributes **/
/** Block attributes */
typedef struct {
+ /* General attributes */
+ ir_graph *irg;
unsigned long block_visited; /**< for the walker that walks over all blocks. */
/* Attributes private to construction: */
bool matured; /**< if set, all in-nodes of the block are fixed */
struct ir_node **graph_arr; /**< array to store all parameters */
+ /* Attributes holding analyses information */
struct dom_info dom; /**< Datastructure that holds information about dominators.
- @todo
- Eventually overlay with graph_arr as only valid
- in different phases. Eventually inline the whole
- datastructure. */
- exc_t exc; /**< role of this block for exception handling */
- ir_node *handler_entry; /**< handler entry block iff this block is part of a region */
+ @@@ @todo
+ Eventually overlay with graph_arr as only valid
+ in different phases. Eventually inline the whole
+ datastructure. */
+ /* exc_t exc; */ /**< role of this block for exception handling */
+ /* ir_node *handler_entry; */ /**< handler entry block iff this block is part of a region */
ir_node ** in_cg; /**< array with predecessors in
- * interprocedural_view, if they differ
- * from intraprocedural predecessors */
+ * interprocedural_view, if they differ
+ * from intraprocedural predecessors */
int *backedge; /**< Field n set to true if pred n is backedge.
- @todo Ev. replace by bitfield! */
+ @@@ @todo Ev. replace by bitfield! */
int *cg_backedge; /**< Field n set to true if pred n is interprocedural backedge.
- @todo Ev. replace by bitfield! */
+ @@@ @todo Ev. replace by bitfield! */
} block_attr;
+/** Start attributes */
+typedef struct {
+ char dummy;
+ /* ir_graph *irg; @@@ now in block */
+} start_attr;
+
/** Cond attributes */
typedef struct {
cond_kind kind; /**< flavor of Cond */
long default_proj; /**< for optimization: biggest Proj number, i.e. the one
- used for default. */
+ used for default. */
} cond_attr;
-/** SymConst attributes
- This union contains the symbolic information represented by the node */
-typedef union type_or_id {
- type *typ;
- ident *ptrinfo;
-} type_or_id;
+/** Const attributes */
+typedef struct {
+ tarval *tv; /**< the target value */
+ type *tp; /**< the source type, for analyses. default: type_unknown. */
+} const_attr;
typedef struct {
- type_or_id tori;
+ symconst_symbol sym; // old tori
symconst_kind num;
+ type *tp; /**< the source type, for analyses. default: type_unknown. */
} symconst_attr;
/** Sel attributes */
entity *ent; /**< entity to select */
} sel_attr;
+/** Exception attributes */
typedef struct {
- type *cld_tp; /**< type of called procedure */
+ op_pin_state pin_state; /**< the pin state for operations that might generate a exception:
+ If it's know that no exception will be generated, could be set to
+ op_pin_state_floats. */
#if PRECISE_EXC_CONTEXT
- struct ir_node **frag_arr; /**< For Phi node construction in case of exceptions */
+ struct ir_node **frag_arr; /**< For Phi node construction in case of exception */
#endif
- entity ** callee_arr; /**< result of callee analysis */
+} except_attr;
+
+typedef struct {
+ except_attr exc; /**< the exception attribute. MUST be the first one. */
+ type *cld_tp; /**< type of called procedure */
+ entity ** callee_arr; /**< result of callee analysis */
} call_attr;
/** Alloc attributes */
typedef struct {
- type *type; /**< Type of the allocated object. */
- where_alloc where; /**< stack, heap or other managed part of memory */
-#if PRECISE_EXC_CONTEXT
- struct ir_node **frag_arr; /**< For Phi node construction in case of exceptions */
-#endif
+ except_attr exc; /**< the exception attribute. MUST be the first one. */
+ type *type; /**< Type of the allocated object. */
+ where_alloc where; /**< stack, heap or other managed part of memory */
} alloc_attr;
/** InstOf attributes */
long proj; /**< contains the result position to project (Proj) */
ir_node ** in_cg; /**< array with interprocedural predecessors (Phi) */
int *backedge; /**< Field n set to true if pred n is backedge.
- @todo Ev. replace by bitfield! */
+ @todo Ev. replace by bitfield! */
} filter_attr;
/** EndReg/EndExcept attributes */
typedef struct {
- ir_graph * irg; /**< ir_graph this node belongs to (for
- * navigating in interprocedural graphs) */
+ char dummy;
+ /* ir_graph * irg; */ /**< ir_graph this node belongs to (for */
+ /* * navigating in interprocedural graphs) */
+ /* @@@ now in block */
} end_attr;
/** CallBegin attributes */
typedef struct {
- ir_graph * irg; /**< ir_graph this node belongs to (for
- * navigating in interprocedural graphs) */
+ /* ir_graph * irg; */ /**< ir_graph this node belongs to (for */
+ /* * navigating in interprocedural graphs) */
+ /* @@@ now in block */
ir_node * call; /**< associated Call-operation */
} callbegin_attr;
+/** Cast attributes */
+typedef struct {
+ type *totype;
+} cast_attr;
+
+/** Load attributes */
+typedef struct {
+ except_attr exc; /**< the exception attribute. MUST be the first one. */
+ ir_mode *load_mode; /**< the mode of this Load operation */
+ ent_volatility volatility; /**< the volatility of a Load/Store operation */
+} load_attr;
+
+/** Store attributes */
+typedef struct {
+ except_attr exc; /**< the exception attribute. MUST be the first one. */
+ ent_volatility volatility; /**< the volatility of a Store operation */
+} store_attr;
+
+typedef pn_Cmp confirm_attr; /** Attribute to hold compare operation */
+
/** Some irnodes just have one attribute, these are stored here,
some have more. Their name is 'irnodename_attr' */
typedef union {
+ start_attr start; /**< For Start */
block_attr block; /**< For Block: Fields needed to construct it */
cond_attr c; /**< For Cond. */
- struct tarval *con; /**< For Const: contains the value of the constant */
+ const_attr con; /**< For Const: contains the value of the constant and a type */
symconst_attr i; /**< For SymConst. */
sel_attr s; /**< For Sel. */
call_attr call; /**< For Call: pointer to the type of the method to call */
callbegin_attr callbegin; /**< For CallBegin */
alloc_attr a; /**< For Alloc. */
- io_attr io; /**< For InstOf */
+ io_attr io; /**< For InstOf */
type *f; /**< For Free. */
+ cast_attr cast; /**< For Cast. */
+ load_attr load; /**< For Load. */
+ store_attr store; /**< For Store. */
int phi0_pos; /**< For Phi. Used to remember the value defined by
- this Phi node. Needed when the Phi is completed
- to call get_r_internal_value to find the
- predecessors. If this attribute is set, the Phi
- node takes the role of the obsolete Phi0 node,
- therefore the name. */
+ this Phi node. Needed when the Phi is completed
+ to call get_r_internal_value to find the
+ predecessors. If this attribute is set, the Phi
+ node takes the role of the obsolete Phi0 node,
+ therefore the name. */
int *phi_backedge; /**< For Phi after construction.
- Field n set to true if pred n is backedge.
- @todo Ev. replace by bitfield! */
+ Field n set to true if pred n is backedge.
+ @todo Ev. replace by bitfield! */
long proj; /**< For Proj: contains the result position to project */
+ confirm_attr confirm_cmp; /**< For Confirm: compare operation */
filter_attr filter; /**< For Filter */
end_attr end; /**< For EndReg, EndExcept */
-#if PRECISE_EXC_CONTEXT
- struct ir_node **frag_arr; /**< For Phi node construction in case of exceptions
- for nodes Store, Load, Div, Mod, Quot, DivMod. */
-#endif
+ except_attr except; /**< For Phi node construction in case of exceptions */
} attr;
struct dbg_info* dbi; /**< A pointer to information for debug support. */
/* ------- For debugging ------- */
#ifdef DEBUG_libfirm
+ int out_valid; /** < indicate that out edges are valid */
int node_nr; /**< a unique node number for each node to make output
readable. */
#endif
+ /* ------- For analyses -------- */
+ ir_loop *loop; /**< the loop the node is in. Access routines in irloop.h */
+#ifdef DO_HEAPANALYSIS
+ struct abstval *av;
+ struct section *sec;
+#endif
+ /* ------- Opcode depending fields -------- */
attr attr; /**< attribute of this node. Depends on opcode.
Must be last field of struct ir_node. */
};
+
/** Copies all attributes stored in the old node to the new node.
Assumes both have the same opcode and sufficient size. */
void
-copy_attrs (ir_node *old, ir_node *new);
-
+copy_attrs(const ir_node *old_node, ir_node *new_node);
-/** Print IR-Nodes with attributes
- @todo brauchen wir dienoch? dann fliegt ev. das xprint raus? */
-int ir_node_print (XP_PAR1, const xprintf_info *, XP_PARN);
/** Returns the array with the ins. The content of the array may not be
changed. */
-ir_node **get_irn_in (ir_node *node);
+ir_node **get_irn_in (const ir_node *node);
-/*@{*/
+/** @{ */
/** access attributes directly */
-INLINE tarval *get_irn_const_attr (ir_node *node);
+INLINE const_attr get_irn_const_attr (ir_node *node);
INLINE long get_irn_proj_attr (ir_node *node);
INLINE alloc_attr get_irn_alloc_attr (ir_node *node);
INLINE type *get_irn_free_attr (ir_node *node);
INLINE symconst_attr get_irn_symconst_attr (ir_node *node);
-type *get_irn_call_attr (ir_node *node);
-sel_attr get_irn_sel_attr (ir_node *node);
-int get_irn_phi_attr (ir_node *node);
-block_attr get_irn_block_attr (ir_node *node);
-/*@}*/
+type *get_irn_call_attr (ir_node *node);
+type *get_irn_funccall_attr (ir_node *node);
+sel_attr get_irn_sel_attr (ir_node *node);
+int get_irn_phi_attr (ir_node *node);
+block_attr get_irn_block_attr (ir_node *node);
+load_attr get_irn_load_attr (ir_node *node);
+store_attr get_irn_store_attr (ir_node *node);
+except_attr get_irn_except_attr (ir_node *node);
+/** @} */
+
+/*-------------------------------------------------------------------*/
+/* These function are most used in libfirm. Give them as static */
+/* functions so they can be inlined. */
+/*-------------------------------------------------------------------*/
+
+/**
+ * Checks whether a pointer points to a ir node.
+ * Intern version for libFirm.
+ */
+static INLINE int
+__is_ir_node (const void *thing) {
+ return (get_kind(thing) == k_ir_node);
+}
+
+/**
+ * Gets the op of a node.
+ * Intern version for libFirm.
+ */
+static INLINE ir_op *
+__get_irn_op (const ir_node *node)
+{
+ assert (node);
+ return node->op;
+}
+
+/**
+ * Gets the opcode of a node.
+ * Intern version for libFirm.
+ */
+static INLINE opcode
+__get_irn_opcode (const ir_node *node)
+{
+ assert (k_ir_node == get_kind(node));
+ assert (node -> op);
+ return node->op->code;
+}
+
+/**
+ * Returns the number of predecessors without the block predecessor.
+ * Intern version for libFirm.
+ */
+static INLINE int
+__get_irn_intra_arity (const ir_node *node) {
+ assert(node);
+ return ARR_LEN(node->in) - 1;
+}
+
+/**
+ * Returns the number of predecessors without the block predecessor.
+ * Intern version for libFirm.
+ */
+static INLINE int
+__get_irn_inter_arity (const ir_node *node) {
+ assert(node);
+ if (__get_irn_opcode(node) == iro_Filter) {
+ assert(node->attr.filter.in_cg);
+ return ARR_LEN(node->attr.filter.in_cg) - 1;
+ } else if (__get_irn_opcode(node) == iro_Block && node->attr.block.in_cg) {
+ return ARR_LEN(node->attr.block.in_cg) - 1;
+ }
+ return __get_irn_intra_arity(node);
+}
+
+/**
+ * Returns the number of predecessors without the block predecessor.
+ * Intern version for libFirm.
+ */
+extern int (*__get_irn_arity)(const ir_node *node);
+
+/**
+ * Intern version for libFirm.
+ */
+static INLINE ir_node *
+__get_irn_intra_n (ir_node *node, int n) {
+ assert(node); assert(-1 <= n && n < __get_irn_arity(node));
+
+ return (node->in[n + 1] = skip_Id(node->in[n + 1]));
+}
+
+/**
+ * Intern version for libFirm.
+ */
+static INLINE ir_node*
+__get_irn_inter_n (ir_node *node, int n) {
+ assert(node); assert(-1 <= n && n < __get_irn_arity(node));
+
+ /* handle Filter and Block specially */
+ if (__get_irn_opcode(node) == iro_Filter) {
+ assert(node->attr.filter.in_cg);
+ return (node->attr.filter.in_cg[n + 1] = skip_Id(node->attr.filter.in_cg[n + 1]));
+ } else if (__get_irn_opcode(node) == iro_Block && node->attr.block.in_cg) {
+ return (node->attr.block.in_cg[n + 1] = skip_Id(node->attr.block.in_cg[n + 1]));
+ }
+
+ return __get_irn_intra_n (node, n);
+}
+
+/**
+ * Access to the predecessors of a node.
+ * To iterate over the operands iterate from 0 to i < get_irn_arity(),
+ * to iterate including the Block predecessor iterate from i = -1 to
+ * i < get_irn_arity.
+ * If it is a block, the entry -1 is NULL.
+ * Intern version for libFirm.
+ */
+extern ir_node *(*__get_irn_n)(ir_node *node, int n);
+
+/**
+ * Gets the mode of a node.
+ * Intern version for libFirm.
+ */
+static INLINE ir_mode *
+__get_irn_mode (const ir_node *node)
+{
+ assert (node);
+ return node->mode;
+}
+
+/**
+ * Sets the mode of a node.
+ * Intern version of libFirm.
+ */
+static INLINE void
+__set_irn_mode (ir_node *node, ir_mode *mode)
+{
+ assert (node);
+ node->mode = mode;
+}
+
+/**
+ * Gets the visited counter of a node.
+ * Intern version for libFirm.
+ */
+static INLINE unsigned long
+__get_irn_visited (const ir_node *node)
+{
+ assert (node);
+ return node->visited;
+}
+
+/**
+ * Sets the visited counter of a node.
+ * Intern version for libFirm.
+ */
+static INLINE void
+__set_irn_visited (ir_node *node, unsigned long visited)
+{
+ assert (node);
+ node->visited = visited;
+}
+
+/**
+ * Mark a node as visited in a graph.
+ * Intern version for libFirm.
+ */
+static INLINE void
+__mark_irn_visited (ir_node *node) {
+ assert (node);
+ node->visited = current_ir_graph->visited;
+}
+
+/**
+ * Returns non-zero if a node of was visited.
+ * Intern version for libFirm.
+ */
+static INLINE int
+__irn_visited(const ir_node *node) {
+ assert (node);
+ return (node->visited >= current_ir_graph->visited);
+}
+
+/**
+ * Returns non-zero if a node of was NOT visited.
+ * Intern version for libFirm.
+ */
+static INLINE int
+__irn_not_visited(const ir_node *node) {
+ assert (node);
+ return (node->visited < current_ir_graph->visited);
+}
+
+/**
+ * Sets the link of a node.
+ * Intern version of libFirm.
+ */
+static INLINE void
+__set_irn_link(ir_node *node, void *link) {
+ assert (node);
+ /* Link field is used for Phi construction and various optimizations
+ in iropt. */
+ assert(get_irg_phase_state(current_ir_graph) != phase_building);
+
+ node->link = link;
+}
+
+/**
+ * Returns the link of a node.
+ * Intern version of libFirm.
+ */
+static INLINE void *
+__get_irn_link(const ir_node *node) {
+ assert (node);
+ return node->link;
+}
+
+/**
+ * Returns the pinned state of a node.
+ * Intern version of libFirm.
+ */
+static INLINE op_pin_state
+__get_irn_pinned(const ir_node *node) {
+ op_pin_state state = __get_op_pinned(__get_irn_op(node));
+ if (state == op_pin_state_exc_pinned)
+ return get_opt_fragile_ops() ? node->attr.except.pin_state : op_pin_state_pinned;
+ return state;
+}
+
+/* this section MUST contain all inline functions */
+#define is_ir_node(thing) __is_ir_node(thing)
+#define get_irn_intra_arity(node) __get_irn_intra_arity(node)
+#define get_irn_inter_arity(node) __get_irn_inter_arity(node)
+#define get_irn_arity(node) __get_irn_arity(node)
+#define get_irn_intra_n(node, n) __get_irn_intra_n(node, n)
+#define get_irn_inter_n(node, n) __get_irn_inter_n(node, n)
+#define get_irn_n(node, n) __get_irn_n(node, n)
+#define get_irn_mode(node) __get_irn_mode(node)
+#define set_irn_mode(node, mode) __set_irn_mode(node, mode)
+#define get_irn_op(node) __get_irn_op(node)
+#define get_irn_opcode(node) __get_irn_opcode(node)
+#define get_irn_visited(node) __get_irn_visited(node)
+#define set_irn_visited(node, v) __set_irn_visited(node, v)
+#define mark_irn_visited(node) __mark_irn_visited(node)
+#define irn_visited(node) __irn_visited(node)
+#define irn_not_visited(node) __irn_not_visited(node)
+#define set_irn_link(node, link) __set_irn_link(node, link)
+#define get_irn_link(node) __get_irn_link(node)
# endif /* _IRNODE_T_H_ */
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