Start node

The first node of a graph. More...

Enumerations
enum	pn_Start { pn_Start_M, pn_Start_P_frame_base, pn_Start_T_args, pn_Start_max = pn_Start_T_args }
	Projection numbers for result of Start node (use for Proj nodes) More...

Functions
ir_node *	new_rd_Start (dbg_info *dbgi, ir_graph *irg)
	Construct a Start node. More...
ir_node *	new_r_Start (ir_graph *irg)
	Construct a Start node. More...
ir_node *	new_d_Start (dbg_info *dbgi)
	Construct a Start node. More...
ir_node *	new_Start (void)
	Construct a Start node. More...
int	is_Start (const ir_node *node)
	Test if node is a Start. More...
ir_op *	get_op_Start (void)
	Returns opcode for Start nodes. More...

Variables
ir_op *	op_Start
	Start opcode. More...

Detailed Description

The first node of a graph.

Execution starts with this node.

Enumeration Type Documentation

enum pn_Start

Projection numbers for result of Start node (use for Proj nodes)

Enumerator
pn_Start_M	initial memory
pn_Start_P_frame_base	frame base pointer
pn_Start_T_args	function arguments
pn_Start_max

Definition at line 3755 of file nodes.h.

Function Documentation

ir_op* get_op_Start

(

void

)

Returns opcode for Start nodes.

Definition at line 2565 of file gen_irnode.c.

References op_Start.

int is_Start

(

const ir_node *

node

)

Test if node is a Start.

Returns

1 if the node is a Start node, 0 otherwise

Definition at line 3439 of file gen_irnode.c.

ir_node* new_d_Start

(

dbg_info *

dbgi

)

Construct a Start node.

Parameters

dbgi	A pointer to debug information.

Definition at line 2553 of file gen_irnode.c.

References current_ir_graph, IR_GRAPH_CONSTRAINT_CONSTRUCTION, irg_is_constrained(), and new_rd_Start().

Referenced by new_Start().

ir_node* new_r_Start

(

ir_graph *

irg

)

Construct a Start node.

Parameters

irg	The IR graph the node belongs to.

Definition at line 2548 of file gen_irnode.c.

References new_rd_Start().

ir_node* new_rd_Start	(	dbg_info *	dbgi,
		ir_graph *	irg
	)

Construct a Start node.

Parameters

dbgi	A pointer to debug information.
irg	The IR graph the node belongs to.

Definition at line 2535 of file gen_irnode.c.

References get_irg_start_block(), mode_T, new_ir_node(), op_Start, optimize_node(), and verify_new_node().

Referenced by new_d_Start(), and new_r_Start().

ir_node* new_Start

(

void

)

Construct a Start node.

Definition at line 2560 of file gen_irnode.c.

References new_d_Start().

Variable Documentation

ir_op* op_Start

Start opcode.

Definition at line 3797 of file nodes.h.

Referenced by get_op_Start(), and new_rd_Start().