libFirm 1.20
Cmp node

Compares its two operands and checks whether a specified relation (like less or equal) is fulfilled. More...

Enumerations

enum  n_Cmp { n_Cmp_left, n_Cmp_right, n_Cmp_max = n_Cmp_right }
 Input numbers for Cmp node. More...

Functions

ir_nodenew_rd_Cmp (dbg_info *dbgi, ir_node *block, ir_node *irn_left, ir_node *irn_right, ir_relation relation)
 Construct a Cmp node.
ir_nodenew_r_Cmp (ir_node *block, ir_node *irn_left, ir_node *irn_right, ir_relation relation)
 Construct a Cmp node.
ir_nodenew_d_Cmp (dbg_info *dbgi, ir_node *irn_left, ir_node *irn_right, ir_relation relation)
 Construct a Cmp node.
ir_nodenew_Cmp (ir_node *irn_left, ir_node *irn_right, ir_relation relation)
 Construct a Cmp node.
int is_Cmp (const ir_node *node)
 Test if node is a Cmp.
ir_nodeget_Cmp_left (const ir_node *node)
 Returns left input of a Cmp node.
void set_Cmp_left (ir_node *node, ir_node *left)
 Sets left input of a Cmp node.
ir_nodeget_Cmp_right (const ir_node *node)
 Returns right input of a Cmp node.
void set_Cmp_right (ir_node *node, ir_node *right)
 Sets right input of a Cmp node.
ir_relation get_Cmp_relation (const ir_node *node)
 Returns relation attribute of a Cmp node.
void set_Cmp_relation (ir_node *node, ir_relation relation)
 Sets relation attribute of a Cmp node.
ir_opget_op_Cmp (void)
 Returns opcode for Cmp nodes.

Variables

ir_opop_Cmp
 Cmp opcode.

Detailed Description

Compares its two operands and checks whether a specified relation (like less or equal) is fulfilled.


Enumeration Type Documentation

enum n_Cmp

Input numbers for Cmp node.

Definition at line 949 of file nodeops.h.


Function Documentation

ir_node* get_Cmp_left ( const ir_node node)

Returns left input of a Cmp node.

ir_relation get_Cmp_relation ( const ir_node node)

Returns relation attribute of a Cmp node.

ir_node* get_Cmp_right ( const ir_node node)

Returns right input of a Cmp node.

ir_op* get_op_Cmp ( void  )

Returns opcode for Cmp nodes.

int is_Cmp ( const ir_node node)

Test if node is a Cmp.

Returns:
1 if the node is a Cmp node, 0 otherwise
ir_node* new_Cmp ( ir_node irn_left,
ir_node irn_right,
ir_relation  relation 
)

Construct a Cmp node.

Parameters:
irn_leftfirst operand
irn_rightsecond operand
relationComparison relation
ir_node* new_d_Cmp ( dbg_info dbgi,
ir_node irn_left,
ir_node irn_right,
ir_relation  relation 
)

Construct a Cmp node.

Parameters:
dbgiA pointer to debug information.
irn_leftfirst operand
irn_rightsecond operand
relationComparison relation
ir_node* new_r_Cmp ( ir_node block,
ir_node irn_left,
ir_node irn_right,
ir_relation  relation 
)

Construct a Cmp node.

Parameters:
blockThe IR block the node belongs to.
irn_leftfirst operand
irn_rightsecond operand
relationComparison relation
ir_node* new_rd_Cmp ( dbg_info dbgi,
ir_node block,
ir_node irn_left,
ir_node irn_right,
ir_relation  relation 
)

Construct a Cmp node.

Parameters:
dbgiA pointer to debug information.
blockThe IR block the node belongs to.
irn_leftfirst operand
irn_rightsecond operand
relationComparison relation
void set_Cmp_left ( ir_node node,
ir_node left 
)

Sets left input of a Cmp node.

void set_Cmp_relation ( ir_node node,
ir_relation  relation 
)

Sets relation attribute of a Cmp node.

void set_Cmp_right ( ir_node node,
ir_node right 
)

Sets right input of a Cmp node.


Variable Documentation

Cmp opcode.

Definition at line 159 of file opcodes.h.