/*
- * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
*
* This file is part of libFirm.
*
#include "pset.h"
#include "set.h"
#include "list.h"
+#include "obst.h"
struct ir_phase;
int, float, reference ...
(see irmode.h) */
mode_arithmetic arithmetic; /**< different arithmetic operations possible with a mode */
- int size; /**< size of the mode in Bits. */
+ unsigned size; /**< size of the mode in Bits. */
unsigned sign:1; /**< signedness of this mode */
unsigned int modulo_shift; /**< number of bits a values of this mode will be shifted */
unsigned vector_elem; /**< if this is not equal 1, this is a vector mode with
ir_region *region; /**< The immediate structural region this block belongs to. */
unsigned mb_depth; /**< The macroblock depth: A distance from the macroblock header */
ir_label_t label; /**< The block label if assigned. */
+ ir_node *phis; /**< The list of Phi nodes in this block. */
struct list_head succ_head; /**< A list head for all successor edges of a block. */
} block_attr;
} store_attr;
typedef struct {
- int pos; /**< For Phi0. 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. */
-} phi0_attr;
+ ir_node *next; /**< Points to the next Phi in the Phi list of a block. */
+ union {
+ unsigned *backedge; /**< Raw Bitfield: bit n is set to true if pred n is backedge. */
+ int pos; /**< For Phi0. 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. */
+ } u;
+} phi_attr;
+
/**< Confirm attribute. */
typedef struct {
typedef struct {
except_attr exc; /**< The exception attribute. MUST be the first one. */
ir_mode *res_mode; /**< Result mode for the division. */
+ char no_remainder; /**< Set, if known that a division can be done without a remainder. */
} divmod_attr;
/** Inline Assembler support attribute. */
cast_attr cast; /**< For Cast. */
load_attr load; /**< For Load. */
store_attr store; /**< For Store. */
- phi0_attr phi0; /**< for Phi0 nodes. */
- unsigned *phi_backedge; /**< For Phi after construction.
- Raw Bitfield n set to true if pred n is backedge. */
+ phi_attr phi; /**< For Phi. */
long proj; /**< For Proj: contains the result position to project */
confirm_attr confirm; /**< For Confirm: compare operation and region. */
filter_attr filter; /**< For Filter */
Must be last field of struct ir_node. */
};
+#include "iredgeset.h"
+
/**
* Edge info to put into an irg.
*/
typedef struct _irg_edge_info_t {
+#if 0
set *edges; /**< a set containing all edges of a graph. */
- unsigned activated : 1; /**< set if edges are activated for the graph. */
+#else
+ ir_edgeset_t edges;
+ struct obstack edges_obst;
+ unsigned allocated : 1;
+#endif
+ 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];
#endif
#ifndef NDEBUG
- unsigned using_visited : 1; /**< set to 1 if we are currently using the visited flag */
+ unsigned using_irn_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