Alloc node

Allocates a block of memory on the stack. More...

Enumerations
enum	n_Alloc { n_Alloc_mem, n_Alloc_size, n_Alloc_max = n_Alloc_size }
	Input numbers for Alloc node. More...
enum	pn_Alloc { pn_Alloc_M, pn_Alloc_res, pn_Alloc_max = pn_Alloc_res }
	Projection numbers for result of Alloc node (use for Proj nodes) More...

Functions
ir_node *	new_rd_Alloc (dbg_info *dbgi, ir_node *block, ir_node *irn_mem, ir_node *irn_size, unsigned alignment)
	Construct an Alloc node. More...
ir_node *	new_r_Alloc (ir_node *block, ir_node *irn_mem, ir_node *irn_size, unsigned alignment)
	Construct an Alloc node. More...
ir_node *	new_d_Alloc (dbg_info *dbgi, ir_node *irn_mem, ir_node *irn_size, unsigned alignment)
	Construct an Alloc node. More...
ir_node *	new_Alloc (ir_node *irn_mem, ir_node *irn_size, unsigned alignment)
	Construct an Alloc node. More...
int	is_Alloc (const ir_node *node)
	Test if node is a Alloc. More...
ir_node *	get_Alloc_mem (const ir_node *node)
	Returns mem input of an Alloc node. More...
void	set_Alloc_mem (ir_node *node, ir_node *mem)
	Sets mem input of an Alloc node. More...
ir_node *	get_Alloc_size (const ir_node *node)
	Returns size input of an Alloc node. More...
void	set_Alloc_size (ir_node *node, ir_node *size)
	Sets size input of an Alloc node. More...
unsigned	get_Alloc_alignment (const ir_node *node)
	Returns alignment attribute of an Alloc node. More...
void	set_Alloc_alignment (ir_node *node, unsigned alignment)
	Sets alignment attribute of an Alloc node. More...
ir_op *	get_op_Alloc (void)
	Returns opcode for Alloc nodes. More...

Variables
ir_op *	op_Alloc
	Alloc opcode. More...

Detailed Description

Allocates a block of memory on the stack.

Enumeration Type Documentation

enum n_Alloc

Input numbers for Alloc node.

Enumerator
n_Alloc_mem	memory dependency
n_Alloc_size	size of the block in bytes
n_Alloc_max

Definition at line 374 of file nodes.h.

enum pn_Alloc

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

Enumerator
pn_Alloc_M	memory result
pn_Alloc_res	pointer to newly allocated memory
pn_Alloc_max

Definition at line 383 of file nodes.h.

Function Documentation

unsigned get_Alloc_alignment

(

const ir_node *

node

)

Returns alignment attribute of an Alloc node.

Definition at line 2975 of file gen_irnode.c.

ir_node* get_Alloc_mem

(

const ir_node *

node

)

Returns mem input of an Alloc node.

Definition at line 217 of file gen_irnode.c.

ir_node* get_Alloc_size

(

const ir_node *

node

)

Returns size input of an Alloc node.

Definition at line 227 of file gen_irnode.c.

ir_op* get_op_Alloc

(

void

)

Returns opcode for Alloc nodes.

Definition at line 237 of file gen_irnode.c.

References op_Alloc.

int is_Alloc

(

const ir_node *

node

)

Test if node is a Alloc.

Returns

1 if the node is a Alloc node, 0 otherwise

Definition at line 2970 of file gen_irnode.c.

ir_node* new_Alloc	(	ir_node *	irn_mem,
		ir_node *	irn_size,
		unsigned	alignment
	)

Construct an Alloc node.

Parameters

irn_mem	mem
irn_size	size
alignment	alignment of the memory block (must be a power of 2)

Definition at line 212 of file gen_irnode.c.

References new_d_Alloc().

ir_node* new_d_Alloc	(	dbg_info *	dbgi,
		ir_node *	irn_mem,
		ir_node *	irn_size,
		unsigned	alignment
	)

Construct an Alloc node.

Parameters

dbgi	A pointer to debug information.
irn_mem	mem
irn_size	size
alignment	alignment of the memory block (must be a power of 2)

Definition at line 205 of file gen_irnode.c.

References current_ir_graph, get_cur_block(), IR_GRAPH_CONSTRAINT_CONSTRUCTION, irg_is_constrained(), and new_rd_Alloc().

Referenced by new_Alloc().

ir_node* new_r_Alloc	(	ir_node *	block,
		ir_node *	irn_mem,
		ir_node *	irn_size,
		unsigned	alignment
	)

Construct an Alloc node.

Parameters

block	The IR block the node belongs to.
irn_mem	mem
irn_size	size
alignment	alignment of the memory block (must be a power of 2)

Definition at line 200 of file gen_irnode.c.

References new_rd_Alloc().

ir_node* new_rd_Alloc	(	dbg_info *	dbgi,
		ir_node *	block,
		ir_node *	irn_mem,
		ir_node *	irn_size,
		unsigned	alignment
	)

Construct an Alloc node.

Parameters

dbgi	A pointer to debug information.
block	The IR block the node belongs to.
irn_mem	mem
irn_size	size
alignment	alignment of the memory block (must be a power of 2)

Definition at line 183 of file gen_irnode.c.

References get_irn_irg(), mode_T, new_ir_node(), op_Alloc, optimize_node(), and verify_new_node().

Referenced by new_d_Alloc(), and new_r_Alloc().

void set_Alloc_alignment	(	ir_node *	node,
		unsigned	alignment
	)

Sets alignment attribute of an Alloc node.

Definition at line 2980 of file gen_irnode.c.

void set_Alloc_mem	(	ir_node *	node,
		ir_node *	mem
	)

Sets mem input of an Alloc node.

Definition at line 222 of file gen_irnode.c.

void set_Alloc_size	(	ir_node *	node,
		ir_node *	size
	)

Sets size input of an Alloc node.

Definition at line 232 of file gen_irnode.c.

Variable Documentation

ir_op* op_Alloc

Alloc opcode.

Definition at line 449 of file nodes.h.

Referenced by get_op_Alloc(), and new_rd_Alloc().