Dummy node

A placeholder value. More...

Functions
ir_node *	new_rd_Dummy (dbg_info *dbgi, ir_graph *irg, ir_mode *mode)
	Construct a Dummy node.
ir_node *	new_r_Dummy (ir_graph *irg, ir_mode *mode)
	Construct a Dummy node.
ir_node *	new_d_Dummy (dbg_info *dbgi, ir_mode *mode)
	Construct a Dummy node.
ir_node *	new_Dummy (ir_mode *mode)
	Construct a Dummy node.
int	is_Dummy (const ir_node *node)
	Test if node is a Dummy.
ir_op *	get_op_Dummy (void)
	Returns opcode for Dummy nodes.
Variables
ir_op *	op_Dummy
	Dummy opcode.

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Detailed Description

A placeholder value.

This is used when constructing cyclic graphs where you have cases where not all predecessors of a phi-node are known. Dummy nodes are used for the unknown predecessors and replaced later.

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Function Documentation

ir_op* get_op_Dummy

(

void

)

Returns opcode for Dummy nodes.

int is_Dummy

(

const ir_node *

node

)

Test if node is a Dummy.

Returns:

1 if the node is a Dummy node, 0 otherwise

ir_node* new_d_Dummy	(	dbg_info *	dbgi,
		ir_mode *	mode
	)

Construct a Dummy node.

Parameters:

dbgi	A pointer to debug information.
mode	mode of the operations result

ir_node* new_Dummy

(

ir_mode *

mode

)

Construct a Dummy node.

Parameters:

mode	mode of the operations result

ir_node* new_r_Dummy	(	ir_graph *	irg,
		ir_mode *	mode
	)

Construct a Dummy node.

Parameters:

irg	The IR graph the node belongs to.
mode	mode of the operations result

ir_node* new_rd_Dummy	(	dbg_info *	dbgi,
		ir_graph *	irg,
		ir_mode *	mode
	)

Construct a Dummy node.

Parameters:

dbgi	A pointer to debug information.
irg	The IR graph the node belongs to.
mode	mode of the operations result

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Variable Documentation

ir_op* op_Dummy

Dummy opcode.

Definition at line 199 of file opcodes.h.