* Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
*/
-
/**
* @file irnode_t.h
*
* @author Martin Trapp, Christian Schaefer
*/
-
# ifndef _IRNODE_T_H_
# define _IRNODE_T_H_
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+#include "firm_config.h"
+#include "irnode.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 "irnode.h"
-# include "irop_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 "set.h"
+#include "list.h"
+#include "entity_t.h"
+#include "type_t.h"
+#include "tv_t.h"
-# include "exc.h"
/** ir node 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 */
+ int matured:1; /**< if set, all in-nodes of the block are fixed */
+ int dead:1; /**< if set, the block is dead (and could be replace by a Bad */
struct ir_node **graph_arr; /**< array to store all parameters */
/* Attributes holding analyses information */
struct dom_info dom; /**< Datastructure that holds information about dominators.
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;
/** Const attributes */
type *tp; /**< the source type, for analyses. default: type_unknown. */
} const_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;
-
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;
+/** Free attributes */
+typedef struct {
+ type *type; /**< Type of the allocated object. */
+ where_alloc where; /**< stack, heap or other managed part of memory */
+} free_attr;
+
/** InstOf attributes */
typedef struct
{
/** EndReg/EndExcept attributes */
typedef struct {
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) */
- /* @@@ now in block */
ir_node * call; /**< associated Call-operation */
} callbegin_attr;
type *totype;
} cast_attr;
-typedef pn_Cmp confirm_attr; /** Attribute to hold compare operation */
+/** 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 */
+
+/**
+ * Edge info to put into an irn.
+ */
+typedef struct _irn_edge_info_t {
+ struct list_head outs_head; /**< The list of all outs */
+ int out_count; /**< number of outs in the list */
+} irn_edge_info_t;
+
/** Some irnodes just have one attribute, these are stored here,
some have more. Their name is 'irnodename_attr' */
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 */
- type *f; /**< For Free. */
+ alloc_attr a; /**< For Alloc. */
+ free_attr f; /**< For Free. */
+ io_attr io; /**< For InstOf */
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
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 ir_node **in; /**< array with predecessors / operands */
void *link; /**< to attach additional information to the node, e.g.
used while construction to link Phi0 nodes and
- during optimization to link to nodes that
- shall replace a node. */
+ during optimization to link to nodes that
+ shall replace a node. */
/* ------- Fields for optimizations / analysis information ------- */
- struct ir_node **out; /**< array of out edges */
+ struct ir_node **out; /**< @deprecated array of out edges. */
struct dbg_info* dbi; /**< A pointer to information for debug support. */
/* ------- For debugging ------- */
#ifdef DEBUG_libfirm
+ int out_valid;
int node_nr; /**< a unique node number for each node to make output
- readable. */
+ 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
+#if FIRM_EDGES_INPLACE
+ irn_edge_info_t edge_info; /**< everlasting out edges */
+#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(const ir_node *old_node, ir_node *new_node);
-
/** Returns the array with the ins. The content of the array may not be
changed. */
ir_node **get_irn_in (const ir_node *node);
-/*@{*/
+/** @{ */
/** access attributes directly */
-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);
+const_attr get_irn_const_attr (ir_node *node);
+long get_irn_proj_attr (ir_node *node);
+alloc_attr get_irn_alloc_attr (ir_node *node);
+free_attr get_irn_free_attr (ir_node *node);
+symconst_attr get_irn_symconst_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);
-/*@}*/
+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);
+/** @} */
-/*********************************************************************/
+/**
+ * The amount of additional space for custom data to be allocated upon creating a new node.
+ */
+extern unsigned firm_add_node_size;
+
+/** Set the get_type operation of an ir_op. */
+ir_op *firm_set_default_get_type(ir_op *op);
+
+/*-------------------------------------------------------------------*/
/* 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;
+}
+/** Copies all attributes stored in the old node to the new node.
+ Assumes both have the same opcode and sufficient size. */
+static INLINE void
+copy_node_attr(const ir_node *old_node, ir_node *new_node) {
+ ir_op *op = _get_irn_op(old_node);
+
+ /* must always exist */
+ op->copy_attr(old_node, new_node);
+}
+/**
+ * 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. */
+/**
+ * Returns the number of predecessors without the block predecessor.
+ * Intern version for libFirm.
+ */
static INLINE int
-intern_get_irn_intra_arity (const ir_node *node) {
+_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. */
+/**
+ * Returns the number of predecessors without the block predecessor.
+ * Intern version for libFirm.
+ */
static INLINE int
-intern_get_irn_inter_arity (const ir_node *node) {
+_get_irn_inter_arity (const ir_node *node) {
assert(node);
- if (get_irn_opcode(node) == iro_Filter) {
+ 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) {
+ } else if (_get_irn_opcode(node) == iro_Block && node->attr.block.in_cg) {
return ARR_LEN(node->attr.block.in_cg) - 1;
}
- return intern_get_irn_intra_arity(node);
+ return _get_irn_intra_arity(node);
}
-/* returns the number of predecessors without the block predecessor. */
-static INLINE int
-intern_get_irn_arity (const ir_node *node) {
- assert(node);
- if (interprocedural_view) return intern_get_irn_inter_arity(node);
- return intern_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 *
-intern_get_irn_intra_n (ir_node *node, int n) {
- return (node->in[n + 1] = skip_nop(node->in[n + 1]));
+_get_irn_intra_n (const ir_node *node, int n) {
+ assert(node); assert(-1 <= n && n < _get_irn_intra_arity(node));
+
+ return (node->in[n + 1] = skip_Id(node->in[n + 1]));
}
+/**
+ * Intern version for libFirm.
+ */
static INLINE ir_node*
-intern_get_irn_inter_n (ir_node *node, int n) {
+_get_irn_inter_n (const ir_node *node, int n) {
+ assert(node); assert(-1 <= n && n < _get_irn_inter_arity(node));
+
/* handle Filter and Block specially */
- if (get_irn_opcode(node) == iro_Filter) {
+ if (_get_irn_opcode(node) == iro_Filter) {
assert(node->attr.filter.in_cg);
- return (node->attr.filter.in_cg[n + 1] = skip_nop(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_nop(node->attr.block.in_cg[n + 1]));
+ 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);
+ return _get_irn_intra_n (node, n);
}
-/* to iterate through the predecessors without touching the array */
-/* 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. */
-static INLINE ir_node *
-intern_get_irn_n (ir_node *node, int n) {
- assert(node); assert(-1 <= n && n < intern_get_irn_arity(node));
- if (interprocedural_view) return get_irn_inter_n (node, n);
- 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)(const ir_node *node, int n);
+/**
+ * Gets the mode of a node.
+ * Intern version for libFirm.
+ */
static INLINE ir_mode *
-intern_get_irn_mode (const ir_node *node)
+_get_irn_mode (const ir_node *node)
{
assert (node);
return node->mode;
}
-static INLINE ir_op *
-intern_get_irn_op (const ir_node *node)
+/**
+ * Sets the mode of a node.
+ * Intern version of libFirm.
+ */
+static INLINE void
+_set_irn_mode (ir_node *node, ir_mode *mode)
{
assert (node);
- return node->op;
+ node->mode = mode;
}
-static INLINE opcode
-intern_get_irn_opcode (const ir_node *node)
+/**
+ * Gets the visited counter of a node.
+ * Intern version for libFirm.
+ */
+static INLINE unsigned long
+_get_irn_visited (const ir_node *node)
{
- assert (k_ir_node == get_kind(node));
- assert (node -> op);
- return node->op->code;
+ 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 && _is_ir_node(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;
+ assert(node && _is_ir_node(node));
+ 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;
+}
+
+static INLINE int
+_is_unop(const ir_node *node) {
+ assert(node && _is_ir_node(node));
+ return (node->op->opar == oparity_unary);
+}
+
+static INLINE int
+_is_binop(const ir_node *node) {
+ assert(node && _is_ir_node(node));
+ return (node->op->opar == oparity_binary);
+}
+
+static INLINE int
+_is_Bad(const ir_node *node) {
+ assert(node);
+ return (node && _get_irn_op(node) == op_Bad);
+}
+
+static INLINE int
+_is_no_Block(const ir_node *node) {
+ assert(node && _is_ir_node(node));
+ return (_get_irn_op(node) != op_Block);
+}
+
+static INLINE int
+_is_Block(const ir_node *node) {
+ assert(node && _is_ir_node(node));
+ return (_get_irn_op(node) == op_Block);
+}
+
+static INLINE unsigned long
+_get_Block_block_visited (ir_node *node) {
+ assert (node->op == op_Block);
+ return node->attr.block.block_visited;
+}
+
+static INLINE void
+_set_Block_block_visited (ir_node *node, unsigned long visit) {
+ assert (node->op == op_Block);
+ node->attr.block.block_visited = visit;
+}
+
+/* For this current_ir_graph must be set. */
+static INLINE void
+_mark_Block_block_visited (ir_node *node) {
+ assert (node->op == op_Block);
+ node->attr.block.block_visited = get_irg_block_visited(current_ir_graph);
+}
+
+static INLINE int
+_Block_not_block_visited(ir_node *node) {
+ assert (node->op == op_Block);
+ return (node->attr.block.block_visited < get_irg_block_visited(current_ir_graph));
+}
+
+static INLINE ir_node *
+_set_Block_dead(ir_node *block) {
+ assert(_get_irn_op(block) == op_Block);
+ block->attr.block.dead = 1;
+ return block;
+}
+
+static INLINE int
+_is_Block_dead(const ir_node *block) {
+ ir_op * op = _get_irn_op(block);
+
+ if (op == op_Bad)
+ return 1;
+ else {
+ assert(op == op_Block);
+ return block->attr.block.dead;
+ }
+}
+
+static INLINE tarval *_get_Const_tarval (ir_node *node) {
+ assert (_get_irn_op(node) == op_Const);
+ return node->attr.con.tv;
+}
+
+static INLINE cnst_classify_t _classify_Const(ir_node *node) {
+ ir_op *op;
+ assert(_is_ir_node(node));
+
+ op = _get_irn_op(node);
+
+ if(op == op_Const)
+ return classify_tarval(_get_Const_tarval(node));
+ else if(op == op_SymConst)
+ return CNST_SYMCONST;
+
+ return CNST_NO_CONST;
+}
+
+static INLINE type *_get_irn_type(ir_node *node) {
+ return _get_irn_op(node)->get_type(node);
+}
+/* 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)
+#define is_unop(node) _is_unop(node)
+#define is_binop(node) _is_binop(node)
+#define is_Bad(node) _is_Bad(node)
+#define is_no_Block(node) _is_no_Block(node)
+#define is_Block(node) _is_Block(node)
+#define get_Block_block_visited(node) _get_Block_block_visited(node)
+#define set_Block_block_visited(node, visit) _set_Block_block_visited(node, visit)
+#define mark_Block_block_visited(node) _mark_Block_block_visited(node)
+#define Block_not_block_visited(node) _Block_not_block_visited(node)
+#define set_Block_dead(block) _set_Block_dead(block)
+#define is_Block_dead(block) _is_Block_dead(block)
+#define get_Const_tarval(node) _get_Const_tarval(node)
+#define classify_Const(node) _classify_Const(node)
+#define get_irn_type(node) _get_irn_type(node)
# endif /* _IRNODE_T_H_ */