bitset_t *backedge; /**< Bitfield n set to true if pred n is backedge.*/
ir_entity *entity; /**< entitiy representing this block */
ir_node *phis; /**< The list of Phi nodes in this block. */
+ double execfreq; /**< block execution frequency */
} block_attr;
/** Cond attributes. */
except_attr exc; /**< The exception attribute. MUST be the first one. */
} bound_attr;
-/** Conv attribute. */
-typedef struct conv_attr {
- char strict; /**< If set, this is a strict Conv that cannot be removed. */
-} conv_attr;
-
/** Div attribute. */
typedef struct div_attr {
except_attr exc; /**< The exception attribute. MUST be the first one. */
except_attr except; /**< For Phi node construction in case of exceptions */
copyb_attr copyb; /**< For CopyB operation */
bound_attr bound; /**< For Bound operation */
- conv_attr conv; /**< For Conv operation */
div_attr div; /**< For Div operation */
mod_attr mod; /**< For Mod operation */
asm_attr assem; /**< For ASM operation. */
int pos; /** The position of this edge in use's input array. */
} ir_def_use_edge;
+typedef struct ir_def_use_edges {
+ unsigned n_edges;
+ ir_def_use_edge edges[];
+} ir_def_use_edges;
+
/**
* The common structure of an irnode.
* If the node has some attributes, they are stored in the attr field.
shall replace a node. */
long node_nr; /**< A globally unique node number for each node. */
/* ------- Fields for optimizations / analysis information ------- */
- ir_def_use_edge *out; /**< array of def-use edges. */
- struct dbg_info *dbi; /**< A pointer to information for debug support. */
- /* ------- For debugging ------- */
-#ifdef DEBUG_libfirm
- unsigned out_valid : 1;
- unsigned flags : 31;
-#endif
+ union {
+ ir_def_use_edges *out; /**< array of def-use edges. */
+ unsigned n_outs; /**< number of def-use edges (temporarily used
+ during construction of datastructure ) */
+ } o;
+ struct dbg_info *dbi; /**< A pointer to information for debug support. */
/* ------- For analyses -------- */
ir_loop *loop; /**< the loop the node is in. Access routines in irloop.h */
struct ir_node **deps; /**< Additional dependencies induced by state. */
struct obstack *obst; /**< The obstack where all of the ir_nodes live. */
ir_node *current_block; /**< Current block for newly gen_*()-erated ir_nodes. */
- /* -- Fields for graph properties -- */
- irg_inline_property inline_property; /**< How to handle inlineing. */
- mtp_additional_properties additional_properties; /**< Additional graph properties. */
-
/* -- Fields indicating different states of irgraph -- */
ir_graph_properties_t properties;
ir_graph_constraints_t constraints;
- irg_phase_state phase_state; /**< Compiler phase. */
op_pin_state irg_pinned_state; /**< Flag for status of nodes. */
ir_typeinfo_state typeinfo_state; /**< Validity of type information. */
irg_callee_info_state callee_info_state; /**< Validity of callee information. */
/* -- Fields for optimizations / analysis information -- */
pset *value_table; /**< Hash table for global value numbering (cse)
for optimizing use in iropt.c */
- ir_def_use_edge *outs; /**< Space for the Def-Use arrays. */
+ struct obstack out_obst; /**< Space for the Def-Use arrays. */
+ bool out_obst_allocated;
ir_vrp_info vrp; /**< vrp info */
ir_loop *loop; /**< The outermost loop for this graph. */
ir_visited_t self_visited; /**< visited flag of the irg */
- unsigned estimated_node_count; /**< estimated number of nodes in this graph,
- updated after every walk */
irg_edges_info_t edge_info; /**< edge info for automatic outs */
ir_node **idx_irn_map; /**< Array mapping node indexes to nodes. */
unsigned dump_nr; /**< number of graph dumps */
#ifdef DEBUG_libfirm
- int n_outs; /**< Size wasted for outs */
long graph_nr; /**< a unique graph number for each
graph to make output readable. */
#endif
ident **global_asms; /**< An array of global ASM insertions. */
/* -- states of and access to generated information -- */
- irg_phase_state phase_state; /**< The state of construction. */
-
ir_node **ip_outedges; /**< A huge Array that contains all out edges
in interprocedural view. */