# include "ident.h"
-/** the opcodes */
+/** The opcodes of the libFirm predefined operations. */
typedef enum {
iro_Block,
iro_Start, iro_End, iro_Jmp, iro_Cond, iro_Return, iro_Raise,
iro_Load, iro_Store, iro_Alloc, iro_Free, iro_Sync,
iro_Proj, iro_Tuple, iro_Id, iro_Bad, iro_Confirm,
iro_Unknown, iro_Filter, iro_Break, iro_CallBegin, iro_EndReg, iro_EndExcept,
- iro_FuncCall,
+ iro_NoMem, iro_Mux,
+ iro_MaxOpcode
} opcode;
typedef struct ir_op ir_op;
extern ir_op *op_EndReg; ir_op *get_op_EndReg (void);
extern ir_op *op_EndExcept; ir_op *get_op_EndExcept (void);
-extern ir_op *op_FuncCall; ir_op *get_op_FuncCall (void);
+extern ir_op *op_NoMem; ir_op *get_op_NoMem (void);
+extern ir_op *op_Mux; ir_op *get_op_Mux (void);
/** Returns the ident for the opcode name */
-ident *get_op_ident(ir_op *op);
+ident *get_op_ident(const ir_op *op);
/** Returns the string for the opcode. */
const char *get_op_name(const ir_op *op);
/** Returns the enum for the opcode */
opcode get_op_code(const ir_op *op);
-/** pinned states */
+/** op_pin_state_pinned states */
typedef enum {
- floats = 0, /**< Nodes of this opcode can be placed in any basic block. */
- pinned /**< Nodes must remain in this basic block. */
-} op_pinned;
+ op_pin_state_floats = 0, /**< Nodes of this opcode can be placed in any basic block. */
+ op_pin_state_pinned, /**< Nodes must remain in this basic block. */
+ op_pin_state_exc_pinned, /**< Node must be remain in this basic block if it can throw an
+ exception, else can float. Used internally. */
+ op_pin_state_mem_pinned /**< Node must be remain in this basic block if it can throw an
+ exception or uses memory, else can float. Used internally. */
+} op_pin_state;
+
+const char *get_op_pin_state_name(op_pin_state s);
/** gets pinned state of an opcode */
-op_pinned get_op_pinned(const ir_op *op);
+op_pin_state get_op_pinned(const ir_op *op);
/** Sets pinned in the opcode. Setting it to floating has no effect
for Block, Phi and control flow nodes. */
-void set_op_pinned(ir_op *op, op_pinned pinned);
-
-/** Returns true if op is one of Start, End, Jmp, Cond, Return, Raise or Bad. */
-int is_cfopcode(const ir_op *op);
-
-/** Returns true if the operation manipulates interprocedural control flow:
- CallBegin, EndReg, EndExcept */
-int is_ip_cfopcode(const ir_op *op);
+void set_op_pinned(ir_op *op, op_pin_state pinned);
-/** Returns the attribute size of nodes of this opcode.
- @note Use not encouraged, internal feature. */
-int get_op_attr_size (const ir_op *op);
+/** Returns the next free IR opcode number, allows to register user ops */
+unsigned get_next_ir_opcode(void);
# endif /* _IROP_H_ */