#include "firm_types.h"
#include "irop.h"
+#include "iropt.h"
#include "irextbb.h"
#include "type.h"
/**
* @page ir_graph The struct ir_graph
*
- * This struct contains all information about a procedure.
- * It's allocated directly to memory.
+ * This struct contains all information about a procedure.
+ * It's allocated directly to memory.
*
- * The fields of ir_graph:
+ * The fields of ir_graph:
*
- * *ent The entity describing this procedure.
+ * - ent The entity describing this procedure.
*
- * The beginning and end of a graph:
+ * The beginning and end of a graph:
*
- * *start_block This ir_node is the block that contains the unique
- * start node of the procedure. With it it contains
- * the Proj's on starts results.
- * Further all Const nodes are placed in the start block.
- * *start This ir_node is the unique start node of the procedure.
+ * - start_block This ir_node is the block that contains the unique
+ * start node of the procedure. With it it contains
+ * the Proj's on starts results.
+ * Further all Const nodes are placed in the start block.
+ * - start This ir_node is the unique start node of the procedure.
*
- * *end_block This ir_node is the block that contains the unique
- * end node of the procedure. This block contains no
- * further nodes.
- * *end This ir_node is the unique end node of the procedure.
+ * - end_block This ir_node is the block that contains the unique
+ * end node of the procedure. This block contains no
+ * further nodes.
+ * - end This ir_node is the unique end node of the procedure.
*
- * The following nodes are Projs from the start node, held in ir_graph for
- * simple access:
+ * The following nodes are Projs from the Start node, held in ir_graph for
+ * simple access:
*
- * *frame The ir_node producing the pointer to the stack frame of
- * the procedure as output. This is the Proj node on the
- * third output of the start node. This output of the start
- * node is tagged as pns_frame_base. In FIRM most local
- * variables are modeled as data flow edges. Static
- * allocated arrays can not be represented as data flow
- * edges. Therefore FIRM has to represent them in the stack
- * frame.
+ * - frame The ir_node producing the pointer to the stack frame of
+ * the procedure as output. This is the Proj node on the
+ * third output of the start node. This output of the start
+ * node is tagged as pns_frame_base. In FIRM most local
+ * variables are modeled as data flow edges. Static
+ * allocated arrays can not be represented as data flow
+ * edges. Therefore FIRM has to represent them in the stack
+ * frame.
*
- * *globals This models a pointer to a space in the memory where
- * _all_ global things are held. Select from this pointer
- * with a Sel node the pointer to a global variable /
- * procedure / compiler known function... .
+ * - globals This models a pointer to a space in the memory where
+ * _all_ global things are held. Select from this pointer
+ * with a Sel node the pointer to a global variable /
+ * procedure / compiler known function... .
*
- * *tls This models a pointer to a space in the memory where
- * thread local things are held. Select from this pointer
- * with a Sel node the pointer to a thread local variable.
+ * - tls This models a pointer to a space in the memory where
+ * thread local things are held. Select from this pointer
+ * with a Sel node the pointer to a thread local variable.
*
- * *args The ir_node that produces the arguments of the method as
- * it's result. This is a Proj node on the fourth output of
- * the start node. This output is tagged as pn_Start_T_args.
+ * - args The ir_node that produces the arguments of the method as
+ * it's result. This is a Proj node on the fourth output of
+ * the start node. This output is tagged as pn_Start_T_args.
*
- * *proj_args The proj nodes of the args node.
+ * - proj_args The proj nodes of the args node.
*
- * *bad The Bad node is an auxiliary node. It is needed only once,
- * so there is this globally reachable node.
+ * - bad The Bad node is an auxiliary node. It is needed only once,
+ * so there is this globally reachable node.
*
- * *no_mem The NoMem node is an auxiliary node. It is needed only once,
- * so there is this globally reachable node.
+ * - no_mem The NoMem node is an auxiliary node. It is needed only once,
+ * so there is this globally reachable node.
*
- * Data structures that are private to a graph:
+ * Data structures that are private to a graph:
*
- * *obst An obstack that contains all nodes.
+ * - obst An obstack that contains all nodes.
*
- * *current_block A pointer to the current block. Any node created with
- * one of the node constructors (new_<opcode>) are assigned
- * to this block. It can be set with set_cur_block(block).
- * Only needed for ir construction.
+ * - current_block A pointer to the current block. Any node created with
+ * one of the node constructors (new_<opcode>) are assigned
+ * to this block. It can be set with set_cur_block(block).
+ * Only needed for ir construction.
*
- * params/n_loc An int giving the number of local variables in this
- * procedure. This is needed for ir construction. Name will
- * be changed.
+ * - params/n_loc An int giving the number of local variables in this
+ * procedure. This is needed for ir construction. Name will
+ * be changed.
*
- * *value_table This hash table (pset) is used for global value numbering
- * for optimizing use in iropt.c.
+ * - value_table This hash table (pset) is used for global value numbering
+ * for optimizing use in iropt.c.
*
- * *Phi_in_stack; a stack needed for automatic Phi construction, needed only
- * during ir construction.
+ * - Phi_in_stack; a stack needed for automatic Phi construction, needed only
+ * during ir construction.
*
- * visited A int used as flag to traverse the ir_graph.
+ * - isited A int used as flag to traverse the ir_graph.
*
- * block_visited A int used as a flag to traverse block nodes in the graph.
+ * - block_visited A int used as a flag to traverse block nodes in the graph.
*/
/** Global variable holding the current ir graph.
*
* @see new_pseudo_ir_graph()
*/
-ir_graph *new_ir_graph (entity *ent, int n_loc);
+ir_graph *new_ir_graph (ir_entity *ent, int n_loc);
/** Frees the passed irgraph.
* Deallocates all nodes in this graph and the ir_graph structure.
/* #define get_irg_entity get_irg_ent */
/* #define set_irg_entity set_irg_ent */
-entity *get_irg_entity (const ir_graph *irg);
-void set_irg_entity (ir_graph *irg, entity *ent);
+ir_entity *get_irg_entity (const ir_graph *irg);
+void set_irg_entity (ir_graph *irg, ir_entity *ent);
ir_type *get_irg_frame_type (ir_graph *irg);
void set_irg_frame_type (ir_graph *irg, ir_type *ftp);
* The graph is in phase_building during construction of the irgraph.
* The construction is finished by a call to finalize_cons().
*
- * Finalize_cons() sets the state to phase_high. All stadard Firm nodes are
+ * Finalize_cons() sets the state to phase_high. All standard Firm nodes are
* allowed.
*
* To get the irgraph into phase_low all Sel nodes must be removed and
* memory allocated by Alloc must be explicit. @@@ More conditions?
*
* phase_backend is set if architecture specific machine nodes are inserted
- * (and probally most standard Firm are removed).
+ * (and probably most standard Firm are removed).
*/
typedef enum {
phase_building,
phase_high,
phase_low,
- phase_backend
+ phase_backend
} irg_phase_state;
/** returns the phase_state of an IR graph. */
unsigned long get_irg_block_visited (const ir_graph *irg);
void set_irg_block_visited (ir_graph *irg, unsigned long i);
+/** Flags indicating whether or not we are inside an irg/block walk. */
+void set_inside_block_walk(ir_graph *irg);
+void clear_inside_block_walk(ir_graph *irg);
+unsigned inside_block_walk(const ir_graph *irg);
+void set_inside_irg_walk(ir_graph *irg);
+void clear_inside_irg_walk(ir_graph *irg);
+unsigned inside_irg_walk(const ir_graph *irg);
+
/** move Proj nodes into the same block as its predecessors */
void normalize_proj_nodes(ir_graph *irg);
/** Returns the last irn index for this graph. */
unsigned get_irg_last_idx(const ir_graph *irg);
+/** Returns the floating point model of this graph. */
+unsigned get_irg_fp_model(const ir_graph *irg);
+
+/** Sets a floating point model for this graph. */
+void set_irg_fp_model(ir_graph *irg, unsigned model);
+
/**
* Access custom graph data.
* The data must have been registered with
projects / libfirm / blobdiff