*
* *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 pns_args.
+ * the start node. This output is tagged as pn_Start_T_args.
*
* *bad The bad node is an auxiliary node. It is needed only once,
* so there is this globally reachable node.
*
* *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 switch_block(block).
+ * 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
* *link A pointer to an ir_node. With this pointer all Phi nodes
* are attached to a Block, i.e., a Block points to it's
* first Phi node, this node points to the second Phi node
- * in the Block and so fourth. Used in mature_block
+ * in the Block and so fourth. Used in mature_immBlock
* to find all Phi nodes to be matured. It's also used to
* annotate a node with a better, optimized version of it.
*
* (new_<Node> constructurs and a set of additional routines.)
* * A less comfortable interface where all predecessors except the block
* an operation belongs to need to be specified. SSA must be constructed
- * by hand. (new_<Node> constructors and switch_block()). This interface
+ * by hand. (new_<Node> constructors and set_cur_block()). This interface
* is called "block oriented". It automatically calles the local optimizations
* for each new node.
* * An even less comfortable interface where the block needs to be specified
*
* A global variable holds the current basic block. All (non block) nodes
* generated are added to this block. The current block can be set with
- * switch_block(block). If several blocks are constructed in parallel block
+ * set_cur_block(block). If several blocks are constructed in parallel block
* switches need to be performed constantly.
*
* To generate a Block node (with the comfortable interface) it's predecessor
* control flow nodes need not be known. In case of cyclic control flow these
- * can not be known when the block is constructed. With add_in_edge(block,
+ * can not be known when the block is constructed. With add_immBlock_pred(block,
* cfnode) predecessors can be added to the block. If all predecessors are
- * added to the block mature_block(b) needs to be called. Calling mature_block
+ * added to the block mature_immBlock(b) needs to be called. Calling mature_immBlock
* early improves the efficiency of the Phi node construction algorithm.
- * But if several blocks are constructed at once, mature_block must only
+ * But if several blocks are constructed at once, mature_immBlock must only
* be called after performing all set_values and set_stores in the block!
* (See documentation of new_immBlock constructor.)
*
* ir_node *this_block, *cf_pred1, *cf_pred2, *a_val, *mem, *div, *res, *cf_op;
*
* this_block = new_immBlock();
- * add_in_edge(this_block, cf_pred1);
- * add_in_edge(this_block, cf_pred2);
- * mature_block(this_block);
+ * add_immBlock_pred(this_block, cf_pred1);
+ * add_immBlock_pred(this_block, cf_pred2);
+ * mature_immBlock(this_block);
* a_val = get_value(42, mode_Iu);
* mem = get_store();
* div = new_Div(mem, a_val, a_val);
* ir_node *new_Free (ir_node *store, ir_node *ptr, ir_node *size,
* type *free_type);
* ir_node *new_Proj (ir_node *arg, ir_mode *mode, long proj);
-=======
- * ir_node *new_simpleSel(ir_node *store, ir_node *objptr, entity *ent);
- * ir_node *new_Sel (ir_node *store, ir_node *objptr, int arity,
- * ir_node **in, entity *ent);
- * ir_node *new_Call (ir_node *store, ir_node *callee, int arity,
- * ir_node **in, type_method *type);
- * ir_node *new_Add (ir_node *op1, ir_node *op2, ir_mode *mode);
- * ir_node *new_Sub (ir_node *op1, ir_node *op2, ir_mode *mode);
- * ir_node *new_Minus (ir_node *op, ir_mode *mode);
- * ir_node *new_Mul (ir_node *op1, ir_node *op2, ir_mode *mode);
- * ir_node *new_Quot (ir_node *memop, ir_node *op1, ir_node *op2);
- * ir_node *new_DivMod (ir_node *memop, ir_node *op1, ir_node *op2);
- * ir_node *new_Div (ir_node *memop, ir_node *op1, ir_node *op2);
- * ir_node *new_Mod (ir_node *memop, ir_node *op1, ir_node *op2);
- * ir_node *new_Abs (ir_node *op, ir_mode *mode);
- * ir_node *new_And (ir_node *op1, ir_node *op2, ir_mode *mode);
- * ir_node *new_Or (ir_node *op1, ir_node *op2, ir_mode *mode);
- * ir_node *new_Eor (ir_node *op1, ir_node *op2, ir_mode *mode);
- * ir_node *new_Not (ir_node *op, ir_mode *mode);
- * ir_node *new_Shl (ir_node *op, ir_node *k, ir_mode *mode);
- * ir_node *new_Shr (ir_node *op, ir_node *k, ir_mode *mode);
- * ir_node *new_Shrs (ir_node *op, ir_node *k, ir_mode *mode);
- * ir_node *new_Rot (ir_node *op, ir_node *k, ir_mode *mode);
- * ir_node *new_Cmp (ir_node *op1, ir_node *op2);
- * ir_node *new_Conv (ir_node *op, ir_mode *mode);
- * ir_node *new_Cast (ir_node *op, type *to_tp);
- * ir_node *new_Load (ir_node *store, ir_node *addr);
- * ir_node *new_Store (ir_node *store, ir_node *addr, ir_node *val);
- * ir_node *new_Alloc (ir_node *store, ir_node *size, type *alloc_type,
- * where_alloc where);
- * ir_node *new_Free (ir_node *store, ir_node *ptr, ir_node *size,
- * type *free_type);
- * ir_node *new_Proj (ir_node *arg, ir_mode *mode, long proj);
* ir_node *new_FuncCall (ir_node *store, ir_node *callee, int arity,
* ir_node **in, type_method *type);
*
- * void add_in_edge (ir_node *block, ir_node *jmp);
- * void mature_block (ir_node *block);
- * void switch_block (ir_node *target);
+ * void add_immBlock_pred (ir_node *block, ir_node *jmp);
+ * void mature_immBlock (ir_node *block);
+ * void set_cur_block (ir_node *target);
* ir_node *get_value (int pos, ir_mode *mode);
* void set_value (int pos, ir_node *value);
* ir_node *get_store (void);
* Creates a new block. Sets current_block to itself. When a new block is
* created it cannot be known how many predecessors this block will have in the
* control flow graph. Therefore the list of inputs can not be fixed at
- * creation. Predecessors can be added with add_in_edge (block, control flow
+ * creation. Predecessors can be added with add_immBlock_pred (block, control flow
* operation). With every added predecessor the number of inputs to Phi nodes
* also changes.
*
- * The block can be completed by mature_block(block) if all predecessors are
- * known. If several blocks are built at once, mature_block can only be called
+ * The block can be completed by mature_immBlock(block) if all predecessors are
+ * known. If several blocks are built at once, mature_immBlock can only be called
* after set_value has been called for all values that are life at the end
- * of the block. This is necessary so that Phi nodes created by mature_block
- * get the right predecessors in case of cyclic dependencies. If all set_values
+ * of the block. This is necessary so that Phi nodes created mature_immBlock * get the right predecessors in case of cyclic dependencies. If all set_values
* of this block are called after maturing it and before calling get_value
* in some block that is control flow dependent on this block, the construction
* is correct.
*
* block_before_loop = new_block();
* set_value(x);
- * mature_block(block_before_loop);
+ * mature_immBlock(block_before_loop);
* before2header = new_Jmp;
*
* loop_header = new_block ();
* loop_body = new_block ();
* body2header = new_Jmp();
*
- * add_in_edge(loop_header, before2header);
- * add_in_edge(loop_header, body2header);
- * add_in_edge(loop_body, header2body);
+ * add_immBlock_pred(loop_header, before2header);
+ * add_immBlock_pred(loop_header, body2header);
+ * add_immBlock_pred(loop_body, header2body);
*
- * mature_block(loop_header);
- * mature_block(loop_body);
+ * mature_immBlock(loop_header);
+ * mature_immBlock(loop_body);
*
* get_value(loop_body, x); // gets the Phi in loop_header
* set_value(loop_header, x); // sets the value the above get_value should
* // have returned!!!
*
- * Mature_block also fixes the number of inputs to the Phi nodes. Mature_block
+ * Mature_immBlock also fixes the number of inputs to the Phi nodes. Mature_immBlock
* should be called as early as possible, as afterwards the generation of Phi
* nodes is more efficient.
*
* No inputs except the block it belogns to.
* Output:
* A tuple of 4 (5, 6) distinct values. These are labeled by the following
- * projection numbers (pns_number):
- * * pns_initial_exec
- * mode X, points to the first block to be executed.
- * * pns_global_store
- * mode M, the global store
- * * pns_frame_base mode P, a pointer to the base of the procedures
- * stack frame.
- * * pns_globals mode P, a pointer to the part of the memory containing
- * _all_ global things.
- * * pns_args mode T, a tuple containing all arguments of the procedure.
+ * projection numbers (pn_Start):
+ * * pn_Start_X_initial_exec mode X, points to the first block to be exe * cuted.
+ * * pn_Start_M mode M, the global store
+ * * pn_Start_P_frame_base mode P, a pointer to the base of the proce * dures stack frame.
+ * * pn_Start_P_globals mode P, a pointer to the part of the memory * containing_all_ global things.
+ * * pn_Start_T_args mode T, a tuple containing all arguments of * the procedure.
*
*
* ir_node *new_End (void)
* @param value A type, entity or a ident depending on the SymConst kind.
* @param tp The source type of the constant.
*/
-ir_node *
-new_rd_SymConst_type (dbg_info* db, ir_graph *irg, ir_node *block, union symconst_symbol value,
- symconst_kind symkind, type *tp);
+ir_node *new_rd_SymConst_type (dbg_info* db, ir_graph *irg, ir_node *block, union symconst_symbol value,
+ symconst_kind symkind, type *tp);
/** Constructor for a SymConst node.
*
* @param *ent The entity to select.
*/
ir_node *new_rd_Sel (dbg_info *db, ir_graph *irg, ir_node *block, ir_node *store,
- ir_node *objptr, int n_index, ir_node *index[], entity *ent);
+ ir_node *objptr, int n_index, ir_node *index[], entity *ent);
/** Constructor for a InstOf node.
*
* @param *objptr
* @param *ent
*/
-ir_node *new_rd_InstOf (dbg_info *db, ir_graph *irg, ir_node *block, ir_node *store, ir_node *objptr, type *ent);
+ir_node *new_rd_InstOf (dbg_info *db, ir_graph *irg, ir_node *block, ir_node *store,
+ ir_node *objptr, type *ent);
/** Constructor for a Call node.
*
* @param *tp Type information of the procedure called.
*/
ir_node *new_rd_FuncCall (dbg_info *db, ir_graph *irg, ir_node *block,
- ir_node *callee, int arity, ir_node *in[],
- type *tp);
+ ir_node *callee, int arity, ir_node *in[],
+ type *tp);
/** Constructor for a Add node.
*
* @param *mode The mode of the operands and the result.
*/
ir_node *new_rd_Add (dbg_info *db, ir_graph *irg, ir_node *block,
- ir_node *op1, ir_node *op2, ir_mode *mode);
+ ir_node *op1, ir_node *op2, ir_mode *mode);
/** Constructor for a Sub node.
*
* @param *mode The mode of the operands and the result.
*/
ir_node *new_rd_Sub (dbg_info *db, ir_graph *irg, ir_node *block,
- ir_node *op1, ir_node *op2, ir_mode *mode);
+ ir_node *op1, ir_node *op2, ir_mode *mode);
/** Constructor for a Minus node.
*
* @param *mode The mode of the operand and the result.
*/
ir_node *new_rd_Minus (dbg_info *db, ir_graph *irg, ir_node *block,
- ir_node *op, ir_mode *mode);
+ ir_node *op, ir_mode *mode);
/** Constructor for a Mul node.
*
* @param *adr A pointer to the variable to be read in this memory.
* @param *val The value to write to this variable.
*/
-
ir_node *new_r_Store (ir_graph *irg, ir_node *block,
- ir_node *store, ir_node *adr, ir_node *val);
+ ir_node *store, ir_node *adr, ir_node *val);
+
/** Constructor for a Alloc node.
*
* The Alloc node extends the memory by space for an entity of type alloc_type.
* @param where Where to allocate the variable, either heap_alloc or stack_alloc.
*
*/
-
ir_node *new_r_Alloc (ir_graph *irg, ir_node *block, ir_node *store,
ir_node *size, type *alloc_type, where_alloc where);
/*-----------------------------------------------------------------------*/
/** Sets the current block in which the following constructors place the
- nodes they construct. */
-void switch_block (ir_node *target);
+ * nodes they construct.
+ *
+ * @param target The new current block.
+ */
+void set_cur_block (ir_node *target);
+
+/** Returns the current block of the current graph. */
+ir_node *get_cur_block(void);
+
+/** Returns the fixed nodes of the current graph. */
+#define get_cur_end_block() get_irg_end_block(current_ir_graph)
+#define get_cur_end() get_irg_end(current_ir_graph)
+#define get_cur_start_block() get_irg_start_block(current_ir_graph)
+#define get_cur_start() get_irg_start(current_ir_graph)
/** Constructor for a Block node.
*
- * Adds the block to the graph in current_ir_graph.
+ * Adds the block to the graph in current_ir_graph. Constructs a Block
+ * with a fixed number of predecessors. Does set current_block. Can
+ * be used with automatic Phi node construction.
*
* @param *db A Pointer for debugginfomation.
* @param arity The number of control predecessors.
*
* @param *db A pointer for debug information.
* @param *mode The mode of the operands and redults.
- * @param *con Points to an entry in the constant table. This pointer is added to the attributes of the node (self->attr.con).
+ * @param *con Points to an entry in the constant table. This pointer is
+ added to the attributes of the node.
* @param *tp The type of the constante.
*
*/
*
* @param *db A pointer for debug information.
* @param *mode The mode of the operands and redults.
- * @param *con Points to an entry in the constant table. This pointer is added to the attributes of the node (self->attr.con).
+ * @param *con Points to an entry in the constant table. This pointer is added
+ * to the attributes of the node.
*
*/
ir_node *new_d_Const (dbg_info* db, ir_mode *mode, tarval *con);
/** Constructor for a simpleSel node.
*
- * Adds the node to the block in current_ir_block.
+ * This is a shortcut for the new_d_Sel() constructor. To be used for
+ * Sel nodes that do not select from an array, i.e., have no index
+ * inputs. It adds the two parameters 0, NULL.
*
* @param *db A pointer for debug information.
- * @param *store The memory in which the object the entity should be selected from is allocated.
- * @param *objptr The object from that the Sel operation selects a single attribute out.
+ * @param *store The memory in which the object the entity should be
+ * selected from is allocated.
+ * @param *objptr The object from that the Sel operation selects a
+ * single attribute out.
* @param *ent The entity to select.
*
*/
* Dynamically the node may select entities that overwrite the given
* entity. If the selected entity is an array element entity the Sel
* node takes the required array indicees as inputs.
+ * Adds the node to the block in current_ir_block.
*
* @param *db A pointer for debug information.
* @param *store The memory in which the object the entity should be selected
*/
ir_node *new_d_Store (dbg_info* db, ir_node *store, ir_node *addr, ir_node *val);
-/**Constructor for a Alloc node.
+/** Constructor for a Alloc node.
*
* The Alloc node extends the memory by space for an entity of type alloc_type.
* Adds the node to the block in current_ir_block.
ir_node *new_d_Alloc (dbg_info* db, ir_node *store, ir_node *size, type *alloc_type,
where_alloc where);
-/**Constructor for a Free node.
+ /** Constructor for a Free node.
*
* Frees the memory occupied by the entity pointed to by the pointer
* arg. Type indicates the type of the entity the argument points to.
ir_node *new_d_Free (dbg_info* db, ir_node *store, ir_node *ptr, ir_node *size,
type *free_type);
-/**Constructor for a Sync node.
+/** Constructor for a Sync node.
*
* Merges several memory values. The node assumes that a variable
* either occurs only in one of the memories, or it contains the same
ir_node *new_d_Sync (dbg_info* db, int arity, ir_node *in[]);
-/**Constructor for a Proj node.
+/** Constructor for a Proj node.
*
* Projects a single value out of a tuple. The parameter proj gives the
* position of the value within the tuple.
ir_node *new_d_Proj (dbg_info* db, ir_node *arg, ir_mode *mode, long proj);
-/**Constructor for a defaultProj node.
+/** Constructor for a defaultProj node.
*
* Represents the default control flow of a Switch-Cond node.
* Adds the node to the block in current_ir_block.
*/
ir_node *new_d_defaultProj (dbg_info* db, ir_node *arg, long max_proj);
-/**Constructor for a Tuple node.
+/** Constructor for a Tuple node.
*
* This is an auxiliary node to replace a node that returns a tuple
* without changing the corresponding Proj nodes.
ir_node *new_d_Tuple (dbg_info* db, int arity, ir_node *in[]);
-/**Constructor for a Id node.
+/** Constructor for a Id node.
*
* This is an auxiliary node to replace a node that returns a single
* value. Adds the node to the block in current_ir_block.
*/
ir_node *new_d_Id (dbg_info* db, ir_node *val, ir_mode *mode);
-/**Costructor for a Bad node.
+/** Costructor for a Bad node.
*
* Returns the unique Bad node of the graph. The same as
* get_irg_bad().
ir_node *new_d_Confirm (dbg_info* db, ir_node *val, ir_node *bound, pn_Cmp cmp);
-/** Constructor for a Unknown node.
+/** Constructor for an Unknown node.
*
* Represents an arbtrary valus. Places the node in
* the start block.
*/
ir_node *new_d_CallBegin(dbg_info *db, ir_node *callee);
-/** Constructor for a EndReg node.
+/** Constructor for an EndReg node.
*
*Adds the node to the block in current_ir_block.
*
*/
ir_node *new_d_EndReg (dbg_info *db);
-/**Constructor for a Endexcept node.
+/** Constructor for an Endexcept node.
*
* Used to represent regular procedure end in interprocedual view.
* Adds the node to the block in current_ir_block.
*/
ir_node *new_d_EndExcept(dbg_info *db);
-/**Constructor for a Breake node.
+/** Constructor for a Break node.
*
* Used to represent exceptional procedure end in interprocedural view.
* Adds the node to the block in current_ir_block.
/*-----------------------------------------------------------------------*/
/* Needed from the interfase with debug support:
-void switch_block (ir_node *target); */
-
-/* Constructs a Block with a fixed number of predecessors.
- Does set current_block. Can be used with automatic Phi
- node construction. */
+void set_cur_block (ir_node *target); */
/** Constructor for a Block node.
*
* Constructor for a Block node. Adds the block to the graph in
- * current_ir_graph .
+ * current_ir_graph. Constructs a Block with a fixed number of
+ * predecessors. Does set current_block. Can be used with automatic
+ * Phi node construction.
*
* @param arity The number of control predecessors.
* @param in An array of control predecessors. The length of
*/
ir_node *new_Start (void);
-/** Constructor for a End node.
+/** Constructor for an End node.
*
* Adds the node to the block in current_ir_block.
*
*/
ir_node *new_End (void);
-/** Constructor for a EndReg node.
+/** Constructor for an EndReg node.
*
* Used to represent regular procedure end in interprocedual view.
* Adds the node to the block in current_ir_block.
*/
ir_node *new_Break (void);
-/**Constructor for a Cond node.
+/** Constructor for a Cond node.
*
* If c is mode_b represents a conditional branch (if/else). If c is
* mode_Is/mode_Iu (?) represents a switch. (Allocates dense Cond
* Adds the node to the block in current_ir_block.
*
* @param *mode The mode of the operands and redults.
- * @param *con Points to an entry in the constant table. This pointer is added to the attributes of the node (self->attr.con).
+ * @param *con Points to an entry in the constant table. This pointer is
+ * added to the attributes of the node.
*
*/
ir_node *new_Const (ir_mode *mode, tarval *con);
ir_node *new_SymConst (union symconst_symbol value, symconst_kind kind);
/** Constructor for a simpelSel node.
+ *
+ * This is a shortcut for the new_Sel() constructor. To be used for
+ * Sel nodes that do not select from an array, i.e., have no index
+ * inputs. It adds the two parameters 0, NULL.
*
* @param *store The memory in which the object the entity should be selected from is allocated.
* @param *objptr The object from that the Sel operation selects a single attribute out.
* Dynamically the node may select entities that overwrite the given
* entity. If the selected entity is an array element entity the Sel
* node takes the required array indicees as inputs.
+ * Adds the node to the block in current_ir_block.
*
* @param *store The memory in which the object the entity should be selected
* from is allocated.
ir_node *new_Sel (ir_node *store, ir_node *objptr, int arity, ir_node *in[],
entity *ent);
-/** Constructor for a InstOf node.
+/** Constructor for an InstOf node.
*
* Adds the node to the block in current_ir_block.
* For translating Java. Not supported as standard firm node.
*
*/
ir_node *new_Free (ir_node *store, ir_node *ptr, ir_node *size,
- type *free_type);
+ type *free_type);
-/**Constructor for a Sync node.
+/** Constructor for a Sync node.
*
* Merges several memory values. The node assumes that a variable
* either occurs only in one of the memories, or it contains the same
*/
ir_node *new_Sync (int arity, ir_node *in[]);
-/**Constructor for a Proj node.
+/** Constructor for a Proj node.
*
* Projects a single value out of a tuple. The parameter proj gives the
* position of the value within the tuple.
*/
ir_node *new_Proj (ir_node *arg, ir_mode *mode, long proj);
-/**Costructor for a Filter node.
+/** Costructor for a Filter node.
*
* Constructor for a Filter node. Adds the node to the block in current_ir_block.
* Filter is a node with two views used to construct the interprocedural view.
*/
ir_node *new_Filter (ir_node *arg, ir_mode *mode, long proj);
-/**Constructor for a defaultProj node.
+/** Constructor for a defaultProj node.
*
* Represents the default control flow of a Switch-Cond node.
* Adds the node to the block in current_ir_block.
*/
ir_node *new_defaultProj (ir_node *arg, long max_proj);
-/**Constructor for a Tuple node.
+/** Constructor for a Tuple node.
*
* This is an auxiliary node to replace a node that returns a tuple
* without changing the corresponding Proj nodes.
*/
ir_node *new_Tuple (int arity, ir_node *in[]);
-/**Constructor for a Id node.
+/** Constructor for an Id node.
*
* This is an auxiliary node to replace a node that returns a single
* value. Adds the node to the block in current_ir_block.
*/
ir_node *new_Id (ir_node *val, ir_mode *mode);
-/**Constructor for a Bad node.
+/** Constructor for a Bad node.
*
* Returns the unique Bad node of the graph. The same as
* get_irg_bad().
*/
ir_node *new_Confirm (ir_node *val, ir_node *bound, pn_Cmp cmp);
-/** Constructor for a Unknown node.
+/** Constructor for an Unknown node.
*
* Represents an arbitrary value. Places the node in
* the start block.
/* needed also. */
/*---------------------------------------------------------------------*/
-/* --- Block construction --- */
-/* immature Block without predecessors */
+/** Create an immature block.
+ *
+ * An immature block has an unknown number of predecessors. Predecessors
+ * can be added with add_immBlock_pred(). Once all predecessors are
+ * added the block must be matured.
+ *
+ * Adds the block to the graph in current_ir_graph. Does set
+ * current_block. Can be used with automatic Phi node construction.
+ * This constructor can only be used if the graph is in
+ * state_building.
+ */
ir_node *new_d_immBlock (dbg_info* db);
ir_node *new_immBlock (void);
/** Add a control flow edge to an immature block. */
-void add_in_edge (ir_node *immblock, ir_node *jmp);
+void add_immBlock_pred (ir_node *immblock, ir_node *jmp);
+
+/** Fix the number of predecessors of an immature block. */
+void mature_immBlock (ir_node *block);
+#define mature_cur_block() mature_immBlock(get_cur_block());
-/** fixes the number of predecessors of a block. */
-void mature_block (ir_node *block);
-/* --- Parameter administration --- */
-/* Read a value from the array with the local variables. Use this
- function to obtain the last definition of the value associated with
- pos. Pos may not exceed the value passed as n_loc to new_ir_graph. */
+/** Get the current value of a local variable.
+ *
+ * Use this function to obtain the last definition of the local variable
+ * associated with pos. Pos may not exceed the value passed as n_loc
+ * to new_ir_graph. This call automatically inserts Phi nodes.
+ *
+ * @param *db A pointer for debug information.
+ * @param pos The position/id of the local variable.
+ * @param *mode The mode of the value to get.
+ */
ir_node *get_d_value (dbg_info* db, int pos, ir_mode *mode);
ir_node *get_value (int pos, ir_mode *mode);
-/** Write a value in the array with the local variables. Use this function
- to remember a new definition of the value associated with pos. Pos may
- not exceed the value passed as n_loc to new_ir_graph. */
+/** Remark a new definition of a variable.
+ *
+ * Use this function to remember a new definition of the value
+ * associated with pos. Pos may not exceed the value passed as n_loc
+ * to new_ir_graph. This call is needed to automatically inserts Phi
+ * nodes.
+ *
+ * @param pos The position/id of the local variable.
+ * @param *value The new value written to the local variable.
+*/
void set_value (int pos, ir_node *value);
-/** Read a store.
- Use this function to get the most recent version of the store (type M).
- Internally it does the same as get_value. */
+/** Get the current memory state.
+ *
+ * Use this function to obtain the last definition of the memory
+ * state. This call automatically inserts Phi nodes for the memory
+ * state value.
+ *
+ */
ir_node *get_store (void);
-/** Write a store. */
+/** Remark a new definition of the memory state.
+ *
+ * Use this function to remember a new definition of the memory state.
+ * This call is needed to automatically inserts Phi nodes.
+ *
+ * @param *store The new memory state.
+*/
void set_store (ir_node *store);
-/** keep this node alive even if End is not control-reachable from it */
+/** keep this node alive even if End is not control-reachable from it
+ *
+ * @param ka The node to keep alive.
+ */
void keep_alive (ir_node *ka);
-/* --- Useful access routines --- */
-/** Returns the current block of the current graph. To set the current
- block use switch_block(). */
-ir_node *get_cur_block(void);
-
/** Returns the frame type of the current graph */
type *get_cur_frame_type(void);
*/
typedef ir_node *default_initialize_local_variable_func_t(ir_mode *mode, int pos);
-/**
- * Initializes the graph construction.
- *
- * @param func @see default_initialize_local_variable_func_t
- */
-void init_cons (default_initialize_local_variable_func_t *func);
# endif /* _IRCONS_H_ */
projects / libfirm / blobdiff