Unknown node

Returns an unknown (at compile- and runtime) value. More...

Functions
ir_node *	new_rd_Unknown (dbg_info *dbgi, ir_graph *irg, ir_mode *mode)
	Construct an Unknown node.
ir_node *	new_r_Unknown (ir_graph *irg, ir_mode *mode)
	Construct an Unknown node.
ir_node *	new_d_Unknown (dbg_info *dbgi, ir_mode *mode)
	Construct an Unknown node.
ir_node *	new_Unknown (ir_mode *mode)
	Construct an Unknown node.
int	is_Unknown (const ir_node *node)
	Test if node is a Unknown.
ir_op *	get_op_Unknown (void)
	Returns opcode for Unknown nodes.
Variables
ir_op *	op_Unknown
	Unknown opcode.

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Detailed Description

Returns an unknown (at compile- and runtime) value.

It is a valid optimisation to replace an Unknown by any other constant value.

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Function Documentation

ir_op* get_op_Unknown

(

void

)

Returns opcode for Unknown nodes.

int is_Unknown

(

const ir_node *

node

)

Test if node is a Unknown.

Returns:

1 if the node is a Unknown node, 0 otherwise

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

Construct an Unknown node.

Parameters:

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

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

Construct an Unknown node.

Parameters:

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

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

Construct an Unknown node.

Parameters:

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

ir_node* new_Unknown

(

ir_mode *

mode

)

Construct an Unknown node.

Parameters:

mode	mode of the operations result

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Variable Documentation

ir_op* op_Unknown

Unknown opcode.

Definition at line 369 of file opcodes.h.