X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firnode.h;h=fd1b3d6758da0e120be85163b9918338105c72d6;hb=cdd903d8e390c19bf09b67bb991b45dde115050e;hp=ded66c56d5c6089803f7685be708ed39973cccd7;hpb=ef2b291b6f9191c63684513962ea516cba8f94e5;p=libfirm diff --git a/ir/ir/irnode.h b/ir/ir/irnode.h index ded66c56d..fd1b3d675 100644 --- a/ir/ir/irnode.h +++ b/ir/ir/irnode.h @@ -9,8 +9,8 @@ * Copyright: (c) 1998-2003 Universität Karlsruhe * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE. */ -#ifndef _IRNODE_H_ -#define _IRNODE_H_ +#ifndef _FIRM_IR_IRNODE_H_ +#define _FIRM_IR_IRNODE_H_ #include @@ -105,9 +105,19 @@ void set_irn_in (ir_node *node, int arity, ir_node *in[]); /** * Get the n-th predecessor of a node. * This function removes Id predecessors. + * This function automatically handles intra- and interprocedural views. */ ir_node *get_irn_n (const ir_node *node, int n); + +/** + * Get the n-th predecessor of a node in intraprocedural view. + * Can be used always if it's know that node is not a split one. + */ ir_node *get_irn_intra_n (const ir_node *node, int n); + +/** + * Get the n-th predecessor of a node in interprocedural view. + */ ir_node *get_irn_inter_n (const ir_node *node, int n); /** Replace the n-th predecessor of a node with a new one. */ @@ -132,6 +142,8 @@ opcode get_irn_opcode (const ir_node *node); const char *get_irn_opname (const ir_node *node); /** Get the ident for a string representation of the opcode. */ ident *get_irn_opident (const ir_node *node); +/** If arg is an argument of the node, returns it's position, -1 otherwise */ +int get_irn_pred_pos (ir_node *node, ir_node *arg); /** Gets the visited counter of a node. */ unsigned long get_irn_visited (const ir_node *node); /** Sets the visited counter of a node. */ @@ -233,14 +245,16 @@ typedef enum { pn_Start_M, /**< Projection on the initial memory. */ pn_Start_P_frame_base, /**< Projection on the frame base pointer. */ pn_Start_P_globals, /**< Projection on the pointer to the data segment - containing _all_ global entities. */ + containing _all_ global entities. Use for + position independent data/code access. */ + pn_Start_P_tls, /**< Projection on the pointer to the thread local store + segment containing _all_thread local variables. */ pn_Start_T_args, /**< Projection on all arguments. */ pn_Start_P_value_arg_base, /**< Pointer to region of compound value arguments as defined by type of this method. */ pn_Start_max /**< number of projections from a Start */ } pn_Start; /* Projection numbers for Start. */ - /** Test whether arbitrary node is frame pointer. * * Test whether arbitrary node is frame pointer, i.e. Proj(pn_Start_P_frame_base) @@ -253,6 +267,12 @@ ir_type *is_frame_pointer(ir_node *n); * from Start. If so returns global type, else Null. */ ir_type *is_globals_pointer(ir_node *n); +/** Test whether arbitrary node is tls pointer. + * + * Test whether arbitrary node is tls pointer, i.e. Proj(pn_Start_P_tls) + * from Start. If so returns tls type, else Null. */ +ir_type *is_tls_pointer(ir_node *n); + /** Test whether arbitrary node is value arg base. * * Test whether arbitrary node is value arg base, i.e. Proj(pn_Start_P_value_arg_base) @@ -328,6 +348,9 @@ void add_End_keepalive (ir_node *end, ir_node *ka); /** Set the Keep alive node at position pos. */ void set_End_keepalive(ir_node *end, int pos, ir_node *ka); +/** Set new keep-alives */ +void set_End_keepalives(ir_node *end, int n, ir_node *in[]); + /** Some parts of the End node are allocated separately -- their memory is not recovered by dead_node_elimination if a End node is dead. free_End() frees these data structures. */ @@ -420,28 +443,36 @@ void set_Const_type (ir_node *node, ir_type *tp); this flag. */ typedef enum { symconst_type_tag, /**< The SymConst is a type tag for the given type. - Type_or_id_p is type *. */ - symconst_size, /**< The SymConst is the size of the given type. - Type_or_id_p is type *. */ + symconst_symbol is type *. */ + symconst_type_size, /**< The SymConst is the size of the given type. + symconst_symbol is type *. */ + symconst_type_align, /**< The SymConst is the alignment of the given type. + symconst_symbol is type *. */ symconst_addr_name, /**< The SymConst is a symbolic pointer to be filled in by the linker. The pointer is represented by a string. - Type_or_id_p is ident *. */ + symconst_symbol is ident *. */ symconst_addr_ent /**< The SymConst is a symbolic pointer to be filled in by the linker. The pointer is represented by an entity. - Type_or_id_p is entity *. */ + symconst_symbol is entity *. */ } symconst_kind; +/** Returns non-zero if s symconst kind has a type attribute */ +#define SYMCONST_HAS_TYPE(kind) ((kind) <= symconst_type_align) + +/** Returns non-zero if s symconst kind has an ident attribute */ +#define SYMCONST_HAS_ID(kind) ((kind) == symconst_addr_name) + +/** Returns non-zero if s symconst kind has an entity attribute */ +#define SYMCONST_HAS_ENT(kind) ((kind) == symconst_addr_ent) + /** SymConst attribute. * * This union contains the symbolic information represented by the node. */ -union symconst_symbol { +typedef union symconst_symbol { ir_type *type_p; ident *ident_p; entity *entity_p; -}; - -typedef union symconst_symbol symconst_symbol; - +} symconst_symbol; /** Get the kind of the SymConst. */ symconst_kind get_SymConst_kind (const ir_node *node); @@ -877,6 +908,7 @@ ir_node **get_Sync_preds_arr (ir_node *node); int get_Sync_n_preds (ir_node *node); ir_node *get_Sync_pred (ir_node *node, int pos); void set_Sync_pred (ir_node *node, int pos, ir_node *pred); +void add_Sync_pred (ir_node *node, ir_node *pred); /** Returns the source language type of a Proj node. * Must be an atomic type. Mode of type must be mode of node. @@ -925,6 +957,7 @@ ir_node *get_Psi_val (ir_node *node, int pos); void set_Psi_val (ir_node *node, int pos, ir_node *val); ir_node *get_Psi_default(ir_node *node); void set_Psi_default(ir_node *node, ir_node *val); +int get_Psi_n_conds(ir_node *node); /** * Projection numbers for result of CopyB node: use for Proj nodes! @@ -986,14 +1019,11 @@ void set_Raise_exo_ptr (ir_node *node, ir_node *exoptr); * Projection numbers for result of Bound node: use for Proj nodes! */ typedef enum { - pn_Bound_M_regular = 0, /**< The memory result. */ + pn_Bound_M = 0, /**< The memory result. */ pn_Bound_X_except = 1, /**< The control flow result branching to the exception handler */ pn_Bound_res = 2, /**< The checked index. */ - pn_Bound_M_except = 3, /**< The memory result in case the runtime function terminated with - an exception */ - pn_Bound_max = 4 /**< number of projections from a Bound */ + pn_Bound_max = 3 /**< number of projections from a Bound */ } pn_Bound; -#define pn_Bound_M pn_Bound_M_regular /** Returns the memory input of a Bound operation. */ ir_node *get_Bound_mem(ir_node *bound); @@ -1050,6 +1080,12 @@ int is_Call (const ir_node *node); int is_Sel (const ir_node *node); /** returns true if node is a Mux node or a Psi with only one condition. */ int is_Mux (const ir_node *node); +/** returns true if node is a Load node. */ +int is_Load (const ir_node *node); +/** returns true if node is a Sync node. */ +int is_Sync (const ir_node *node); +/** returns true if node is a Confirm node. */ +int is_Confirm (const ir_node *node); /** returns true if node is a Proj node or a Filter node in * intraprocedural view */ int is_Proj (const ir_node *node); @@ -1092,6 +1128,21 @@ int is_irn_constlike(const ir_node *node); */ int is_irn_keep(const ir_node *node); +/** + * Returns non-zero for nodes that are machine operations. + */ +int is_irn_machine_op(const ir_node *node); + +/** + * Returns non-zero for nodes that are machine operands. + */ +int is_irn_machine_operand(const ir_node *node); + +/** + * Returns non-zero for nodes that have the n'th user machine flag set. + */ +int is_irn_machine_user(const ir_node *node, unsigned n); + /** * A type to express conditional jump predictions. */ @@ -1146,6 +1197,12 @@ unsigned register_additional_node_data(unsigned size); */ void *get_irn_generic_attr(ir_node *node); +/** + * Returns the unique node index for the node in its graph. + * This index is used to access phase information for this node. + */ +unsigned get_irn_idx(const ir_node *node); + /*-----------------------------------------------------------------*/ /** Debug aides **/ /*-----------------------------------------------------------------*/ @@ -1208,4 +1265,4 @@ int dump_node_opcode(FILE *F, ir_node *n); } #endif -#endif /* _IRNODE_H_ */ +#endif /* _FIRM_IR_IRNODE_H_ */