X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firnode_t.h;h=bfa4710c440133195c5cd47ca17b33a895da2ba0;hb=23ea16875f38dc0c067cce24f64b5c70f3acc496;hp=cad918e8a35cde15fb8d52fadc0d27c73f2f5d53;hpb=0df8740ce31993f0e0994e2ecf6da2125775ffbb;p=libfirm diff --git a/ir/ir/irnode_t.h b/ir/ir/irnode_t.h index cad918e8a..bfa4710c4 100644 --- a/ir/ir/irnode_t.h +++ b/ir/ir/irnode_t.h @@ -48,59 +48,55 @@ typedef struct { ir_graph *irg; unsigned long block_visited; /**< for the walker that walks over all blocks. */ /* Attributes private to construction: */ - int matured:1; /**< if set, all in-nodes of the block are fixed */ - int dead:1; /**< if set, the block is dead (and could be replace by a Bad */ - struct ir_node **graph_arr; /**< array to store all parameters */ + unsigned matured:1; /**< if set, all in-nodes of the block are fixed */ + unsigned dead:1; /**< if set, the block is dead (and could be replace by a Bad */ + ir_node **graph_arr; /**< array to store all parameters */ /* Attributes holding analyses information */ - struct dom_info dom; /**< Datastructure that holds information about dominators. - @@@ @todo - Eventually overlay with graph_arr as only valid - in different phases. Eventually inline the whole - datastructure. */ - /* exc_t exc; */ /**< role of this block for exception handling */ - /* ir_node *handler_entry; */ /**< handler entry block iff this block is part of a region */ + dom_info dom; /**< Datastructure that holds information about dominators. + @@@ @todo + Eventually overlay with graph_arr as only valid + in different phases. Eventually inline the whole + datastructure. */ + dom_info pdom; /**< Datastructure that holds information about post-dominators. */ ir_node ** in_cg; /**< array with predecessors in - * interprocedural_view, if they differ - * from intraprocedural predecessors */ + * interprocedural_view, if they differ + * from intraprocedural predecessors */ int *backedge; /**< Field n set to true if pred n is backedge. - @@@ @todo Ev. replace by bitfield! */ + @@@ @todo Ev. replace by bit field! */ int *cg_backedge; /**< Field n set to true if pred n is interprocedural backedge. - @@@ @todo Ev. replace by bitfield! */ + @@@ @todo Ev. replace by bit field! */ ir_extblk *extblk; /**< the extended basic block this block belongs to */ -} block_attr; + struct list_head succ_head; /**< A list head for all successor edges of a block. */ -/** Start attributes */ -typedef struct { - char dummy; - /* ir_graph *irg; @@@ now in block */ -} start_attr; +} block_attr; -/** Cond attributes */ +/** Cond attributes. */ typedef struct { - cond_kind kind; /**< flavor of Cond */ - long default_proj; /**< for optimization: biggest Proj number, i.e. the one - used for default. */ + cond_kind kind; /**< flavor of Cond */ + long default_proj; /**< only for non-binary Conds: biggest Proj number, i.e. the one used for default. */ + cond_jmp_predicate pred; /**< only for binary Conds: The jump predication. */ } cond_attr; -/** Const attributes */ +/** Const attributes. */ typedef struct { - tarval *tv; /**< the target value */ - type *tp; /**< the source type, for analyses. default: type_unknown. */ + tarval *tv; /**< the target value */ + ir_type *tp; /**< the source type, for analyses. default: type_unknown. */ } const_attr; +/** SymConst attributes. */ typedef struct { symconst_symbol sym; // old tori symconst_kind num; - type *tp; /**< the source type, for analyses. default: type_unknown. */ + ir_type *tp; /**< the source type, for analyses. default: type_unknown. */ } symconst_attr; -/** Sel attributes */ +/** Sel attributes. */ typedef struct { entity *ent; /**< entity to select */ } sel_attr; -/** Exception attributes */ +/** Exception attributes. */ typedef struct { op_pin_state pin_state; /**< the pin state for operations that might generate a exception: If it's know that no exception will be generated, could be set to @@ -110,33 +106,33 @@ typedef struct { #endif } except_attr; +/** Call attributes. */ typedef struct { except_attr exc; /**< the exception attribute. MUST be the first one. */ - type *cld_tp; /**< type of called procedure */ + ir_type *cld_tp; /**< type of called procedure */ entity ** callee_arr; /**< result of callee analysis */ } call_attr; -/** Alloc attributes */ +/** Alloc attributes. */ typedef struct { except_attr exc; /**< the exception attribute. MUST be the first one. */ - type *type; /**< Type of the allocated object. */ + ir_type *type; /**< Type of the allocated object. */ where_alloc where; /**< stack, heap or other managed part of memory */ } alloc_attr; -/** Free attributes */ +/** Free attributes. */ typedef struct { - type *type; /**< Type of the allocated object. */ + ir_type *type; /**< Type of the allocated object. */ where_alloc where; /**< stack, heap or other managed part of memory */ } free_attr; -/** InstOf attributes */ -typedef struct -{ - type *ent; - int dfn; +/** InstOf attributes. */ +typedef struct { + except_attr exc; /**< the exception attribute. MUST be the first one. */ + ir_type *type; /**< the type of which the object pointer must be */ } io_attr; -/** Filter attributes */ +/** Filter attributes. */ typedef struct { long proj; /**< contains the result position to project (Proj) */ ir_node ** in_cg; /**< array with interprocedural predecessors (Phi) */ @@ -144,61 +140,76 @@ typedef struct { @todo Ev. replace by bitfield! */ } filter_attr; -/** EndReg/EndExcept attributes */ +/** EndReg/EndExcept attributes. */ typedef struct { char dummy; } end_attr; -/** CallBegin attributes */ +/** CallBegin attributes. */ typedef struct { - ir_node * call; /**< associated Call-operation */ + ir_node * call; /**< Associated Call-operation. */ } callbegin_attr; -/** Cast attributes */ +/** Cast attributes. */ typedef struct { - type *totype; + ir_type *totype; /**< Type of the casted node. */ } cast_attr; -/** Load attributes */ +/** Load attributes. */ typedef struct { - except_attr exc; /**< the exception attribute. MUST be the first one. */ - ir_mode *load_mode; /**< the mode of this Load operation */ - ent_volatility volatility; /**< the volatility of a Load/Store operation */ + except_attr exc; /**< The exception attribute. MUST be the first one. */ + ir_mode *load_mode; /**< The mode of this Load operation. */ + ent_volatility volatility; /**< The volatility of a Load/Store operation. */ } load_attr; -/** Store attributes */ +/** Store attributes. */ typedef struct { except_attr exc; /**< the exception attribute. MUST be the first one. */ - ent_volatility volatility; /**< the volatility of a Store operation */ + ent_volatility volatility; /**< the volatility of a Store operation */ } store_attr; typedef pn_Cmp confirm_attr; /**< Attribute to hold compare operation */ +/** CopyB attribute. */ +typedef struct { + except_attr exc; /**< The exception attribute. MUST be the first one. */ + ir_type *data_type; /**< Type of the copied entity. */ +} copyb_attr; + +/** Bound attribute. */ +typedef struct { + except_attr exc; /**< The exception attribute. MUST be the first one. */ +} bound_attr; + +/** Conv attribute. */ +typedef struct { + char strict; /**< If set, this is a strict Conv that cannot be removed. */ +} conv_attr; + /** * Edge info to put into an irn. */ typedef struct _irn_edge_info_t { - struct list_head outs_head; /**< The list of all outs */ - int out_count; /**< number of outs in the list */ + struct list_head outs_head; /**< The list of all outs. */ + int out_count; /**< Number of outs in the list. */ } irn_edge_info_t; -/** Some irnodes just have one attribute, these are stored here, +/** Some IR-nodes just have one attribute, these are stored here, some have more. Their name is 'irnodename_attr' */ typedef union { - start_attr start; /**< For Start */ - block_attr block; /**< For Block: Fields needed to construct it */ - cond_attr c; /**< For Cond. */ - const_attr con; /**< For Const: contains the value of the constant and a type */ - symconst_attr i; /**< For SymConst. */ - sel_attr s; /**< For Sel. */ - call_attr call; /**< For Call: pointer to the type of the method to call */ + block_attr block; /**< For Block: Fields needed to construct it */ + cond_attr cond; /**< For Cond. */ + const_attr con; /**< For Const: contains the value of the constant and a type */ + symconst_attr symc; /**< For SymConst. */ + sel_attr sel; /**< For Sel. */ + call_attr call; /**< For Call: pointer to the type of the method to call */ callbegin_attr callbegin; /**< For CallBegin */ - alloc_attr a; /**< For Alloc. */ - free_attr f; /**< For Free. */ - io_attr io; /**< For InstOf */ - cast_attr cast; /**< For Cast. */ - load_attr load; /**< For Load. */ + alloc_attr alloc; /**< For Alloc. */ + free_attr free; /**< For Free. */ + io_attr instof; /**< For InstOf */ + cast_attr cast; /**< For Cast. */ + load_attr load; /**< For Load. */ store_attr store; /**< For Store. */ int phi0_pos; /**< For Phi. Used to remember the value defined by this Phi node. Needed when the Phi is completed @@ -209,11 +220,14 @@ typedef union { int *phi_backedge; /**< For Phi after construction. Field n set to true if pred n is backedge. @todo Ev. replace by bitfield! */ - long proj; /**< For Proj: contains the result position to project */ + long proj; /**< For Proj: contains the result position to project */ confirm_attr confirm_cmp; /**< For Confirm: compare operation */ - filter_attr filter; /**< For Filter */ - end_attr end; /**< For EndReg, EndExcept */ - except_attr except; /**< For Phi node construction in case of exceptions */ + filter_attr filter; /**< For Filter */ + end_attr end; /**< For EndReg, EndExcept */ + except_attr except; /**< For Phi node construction in case of exceptions */ + copyb_attr copyb; /**< For CopyB operation */ + bound_attr bound; /**< For Bound operation */ + conv_attr conv; /**< For Conv operation */ } attr; @@ -224,38 +238,41 @@ struct ir_node { firm_kind kind; /**< distinguishes this node from others */ ir_op *op; /**< Opcode of this node. */ ir_mode *mode; /**< Mode of this node. */ - unsigned long visited; /**< visited counter for walks of the graph */ struct ir_node **in; /**< array with predecessors / operands */ + unsigned long visited; /**< visited counter for walks of the graph */ + unsigned node_idx; /**< the node index of this node in its graph */ void *link; /**< to attach additional information to the node, e.g. used while construction to link Phi0 nodes and - during optimization to link to nodes that - shall replace a node. */ + during optimization to link to nodes that + shall replace a node. */ /* ------- Fields for optimizations / analysis information ------- */ struct ir_node **out; /**< @deprecated array of out edges. */ struct dbg_info* dbi; /**< A pointer to information for debug support. */ /* ------- For debugging ------- */ #ifdef DEBUG_libfirm - int out_valid; - int node_nr; /**< a unique node number for each node to make output - readable. */ + int out_valid; + long node_nr; /**< a unique node number for each node to make output + readable. */ #endif /* ------- For analyses -------- */ ir_loop *loop; /**< the loop the node is in. Access routines in irloop.h */ #ifdef DO_HEAPANALYSIS - struct abstval *av; + struct abstval *av; /**< the abstract value of this node */ struct section *sec; #endif -#if FIRM_EDGES_INPLACE irn_edge_info_t edge_info; /**< everlasting out edges */ -#endif /* ------- Opcode depending fields -------- */ attr attr; /**< attribute of this node. Depends on opcode. Must be last field of struct ir_node. */ }; -/** Returns the array with the ins. The content of the array may not be - changed. */ +/** + * Returns the array with the ins. The content of the array may not be + * changed. + * Note that this function returns the whole in array including the + * block predecessor. So, it is NOT symmetric with set_irn_in(). + */ ir_node **get_irn_in (const ir_node *node); /** @{ */ @@ -265,8 +282,8 @@ long get_irn_proj_attr (ir_node *node); alloc_attr get_irn_alloc_attr (ir_node *node); free_attr get_irn_free_attr (ir_node *node); symconst_attr get_irn_symconst_attr (ir_node *node); -type *get_irn_call_attr (ir_node *node); -type *get_irn_funccall_attr (ir_node *node); +ir_type *get_irn_call_attr (ir_node *node); +ir_type *get_irn_funccall_attr (ir_node *node); sel_attr get_irn_sel_attr (ir_node *node); int get_irn_phi_attr (ir_node *node); block_attr get_irn_block_attr (ir_node *node); @@ -280,8 +297,38 @@ except_attr get_irn_except_attr (ir_node *node); */ extern unsigned firm_add_node_size; -/** Set the get_type operation of an ir_op. */ -ir_op *firm_set_default_get_type(ir_op *op); +/** + * Sets the get_type operation for an ir_op_ops. + * + * @param code the opcode for the default operation + * @param ops the operations initialized + * + * @return + * The operations. + */ +ir_op_ops *firm_set_default_get_type(opcode code, ir_op_ops *ops); + +/** + * Sets the get_type_attr operation for an ir_op_ops. + * + * @param code the opcode for the default operation + * @param ops the operations initialized + * + * @return + * The operations. + */ +ir_op_ops *firm_set_default_get_type_attr(opcode code, ir_op_ops *ops); + +/** + * Sets the get_entity_attr operation for an ir_op_ops. + * + * @param code the opcode for the default operation + * @param ops the operations initialized + * + * @return + * The operations. + */ +ir_op_ops *firm_set_default_get_entity_attr(opcode code, ir_op_ops *ops); /*-------------------------------------------------------------------*/ /* These function are most used in libfirm. Give them as static */ @@ -307,6 +354,12 @@ _get_irn_op (const ir_node *node) { return node->op; } +static INLINE void +_set_irn_op (ir_node *node, ir_op *op) { + assert (node); + node->op = op; +} + /** Copies all attributes stored in the old node to the new node. Assumes both have the same opcode and sufficient size. */ static INLINE void @@ -314,7 +367,7 @@ copy_node_attr(const ir_node *old_node, ir_node *new_node) { ir_op *op = _get_irn_op(old_node); /* must always exist */ - op->copy_attr(old_node, new_node); + op->ops.copy_attr(old_node, new_node); } /** @@ -345,10 +398,10 @@ _get_irn_intra_arity (const ir_node *node) { static INLINE int _get_irn_inter_arity (const ir_node *node) { assert(node); - if (_get_irn_opcode(node) == iro_Filter) { + if (_get_irn_op(node) == op_Filter) { assert(node->attr.filter.in_cg); return ARR_LEN(node->attr.filter.in_cg) - 1; - } else if (_get_irn_opcode(node) == iro_Block && node->attr.block.in_cg) { + } else if (_get_irn_op(node) == op_Block && node->attr.block.in_cg) { return ARR_LEN(node->attr.block.in_cg) - 1; } return _get_irn_intra_arity(node); @@ -365,9 +418,14 @@ extern int (*_get_irn_arity)(const ir_node *node); */ static INLINE ir_node * _get_irn_intra_n (const ir_node *node, int n) { + ir_node *nn; + assert(node); assert(-1 <= n && n < _get_irn_intra_arity(node)); - return (node->in[n + 1] = skip_Id(node->in[n + 1])); + nn = node->in[n + 1]; + if (!nn || (nn->op != op_Id)) return nn; + + return (node->in[n + 1] = skip_Id(nn)); } /** @@ -481,7 +539,7 @@ _set_irn_link(ir_node *node, void *link) { assert (node); /* Link field is used for Phi construction and various optimizations in iropt. */ - assert(get_irg_phase_state(current_ir_graph) != phase_building); + assert(get_irg_phase_state(get_irn_irg(node)) != phase_building); node->link = link; } @@ -497,19 +555,30 @@ _get_irn_link(const ir_node *node) { } /** - * Returns the pinned state of a node. + * Returns whether the node _always_ must be pinned. + * I.e., the node is not floating after global cse. + * * Intern version of libFirm. */ static INLINE op_pin_state _get_irn_pinned(const ir_node *node) { op_pin_state state; assert(node && _is_ir_node(node)); - state = __get_op_pinned(_get_irn_op(node)); + /* Check opcode */ + state = _get_op_pinned(_get_irn_op(node)); + if (state >= op_pin_state_exc_pinned) return get_opt_fragile_ops() ? node->attr.except.pin_state : op_pin_state_pinned; return state; } +static INLINE op_pin_state +_is_irn_pinned_in_irg(const ir_node *node) { + if (get_irg_pinned(get_irn_irg(node)) == op_pin_state_floats) + return get_irn_pinned(node); + return op_pin_state_pinned; +} + static INLINE int _is_unop(const ir_node *node) { assert(node && _is_ir_node(node)); @@ -540,6 +609,52 @@ _is_Unknown (const ir_node *node) { return (node && _get_irn_op(node) == op_Unknown); } +static INLINE int +_is_Return (const ir_node *node) { + assert(node); + return (node && _get_irn_op(node) == op_Return); +} + +static INLINE int +_is_Call (const ir_node *node) { + assert(node); + return (node && _get_irn_op(node) == op_Call); +} + +static INLINE int +_is_Sel (const ir_node *node) { + assert(node); + return (node && _get_irn_op(node) == op_Sel); +} + +static INLINE int +_is_Mux (const ir_node *node) { + assert(node); + if (node) { + ir_op *op = _get_irn_op(node); + return (op == op_Mux || ((op == op_Psi) && _get_irn_arity(node) == 3)); + } + return 0; +} + +static INLINE int +_is_Load (const ir_node *node) { + assert(node); + return (node && _get_irn_op(node) == op_Load); +} + +static INLINE int +_is_Sync (const ir_node *node) { + assert(node); + return (node && _get_irn_op(node) == op_Sync); +} + +static INLINE int +_is_Confirm (const ir_node *node) { + assert(node); + return (node && _get_irn_op(node) == op_Confirm); +} + static INLINE int _is_no_Block(const ir_node *node) { assert(node && _is_ir_node(node)); @@ -552,6 +667,38 @@ _is_Block(const ir_node *node) { return (_get_irn_op(node) == op_Block); } +static INLINE int +_get_Block_n_cfgpreds (ir_node *node) { + assert(_is_Block(node)); + return _get_irn_arity(node); +} + +static INLINE ir_node * +_get_Block_cfgpred (ir_node *node, int pos) { + assert(0 <= pos && pos < get_irn_arity(node)); + assert(_is_Block(node)); + return _get_irn_n(node, pos); +} + +/* Get the predecessor block. + * + * Returns the block corresponding to the predecessor pos. + * + * There are several ambiguities we resolve with this function: + * - The direct predecessor can be a Proj, which is not pinned. + * We walk from the predecessor to the next pinned node + * (skip_Proj) and return the block that node is in. + * - If we encounter the Bad node, this function does not return + * Start, but the Bad node. + */ +static INLINE ir_node * +_get_Block_cfgpred_block(ir_node *node, int pos) { + ir_node *res = skip_Proj(get_Block_cfgpred(node, pos)); + if (!is_Bad(res)) + res = get_nodes_block(res); + return res; +} + static INLINE unsigned long _get_Block_block_visited (ir_node *node) { assert (node->op == op_Block); @@ -615,8 +762,59 @@ static INLINE cnst_classify_t _classify_Const(ir_node *node) { return CNST_NO_CONST; } -static INLINE type *_get_irn_type(ir_node *node) { - return _get_irn_op(node)->get_type(node); +static INLINE int _is_irn_forking(const ir_node *node) { + return is_op_forking(_get_irn_op(node)); +} + +static INLINE ir_type *_get_irn_type(ir_node *node) { + return _get_irn_op(node)->ops.get_type(node); +} + +static INLINE ir_type *_get_irn_type_attr(ir_node *node) { + return _get_irn_op(node)->ops.get_type_attr(node); +} + +static INLINE entity *_get_irn_entity_attr(ir_node *node) { + return _get_irn_op(node)->ops.get_entity_attr(node); +} + +static INLINE int _is_irn_constlike(const ir_node *node) { + return is_op_constlike(_get_irn_op(node)); +} + +static INLINE int _is_irn_keep(const ir_node *node) { + return is_op_keep(_get_irn_op(node)); +} + +static INLINE int _is_irn_machine_op(const ir_node *node) { + return is_op_machine(_get_irn_op(node)); +} + +static INLINE int _is_irn_machine_operand(const ir_node *node) { + return is_op_machine_operand(_get_irn_op(node)); +} + +static INLINE int _is_irn_machine_user(const ir_node *node, unsigned n) { + return is_op_machine_user(_get_irn_op(node), n); +} + +static INLINE cond_jmp_predicate _get_Cond_jmp_pred(ir_node *node) { + assert (_get_irn_op(node) == op_Cond); + return node->attr.cond.pred; +} + +static INLINE void _set_Cond_jmp_pred(ir_node *node, cond_jmp_predicate pred) { + assert (_get_irn_op(node) == op_Cond); + node->attr.cond.pred = pred; +} + +static INLINE int _get_Psi_n_conds(ir_node *node) { + assert(_get_irn_op(node) == op_Psi); + return _get_irn_arity(node) >> 1; +} + +static INLINE unsigned _get_irn_idx(const ir_node *node) { + return node->node_idx; } /* this section MUST contain all inline functions */ @@ -630,6 +828,7 @@ static INLINE type *_get_irn_type(ir_node *node) { #define get_irn_mode(node) _get_irn_mode(node) #define set_irn_mode(node, mode) _set_irn_mode(node, mode) #define get_irn_op(node) _get_irn_op(node) +#define set_irn_op(node, op) _set_irn_op(node, op) #define get_irn_opcode(node) _get_irn_opcode(node) #define get_irn_visited(node) _get_irn_visited(node) #define set_irn_visited(node, v) _set_irn_visited(node, v) @@ -638,13 +837,25 @@ static INLINE type *_get_irn_type(ir_node *node) { #define irn_not_visited(node) _irn_not_visited(node) #define set_irn_link(node, link) _set_irn_link(node, link) #define get_irn_link(node) _get_irn_link(node) +#define get_irn_pinned(node) _get_irn_pinned(node) +#define is_irn_pinned_in_irg(node) _is_irn_pinned_in_irg(node) #define is_unop(node) _is_unop(node) #define is_binop(node) _is_binop(node) #define is_Const(node) _is_Const(node) #define is_Unknown(node) _is_Unknown(node) +#define is_Return(node) _is_Return(node) +#define is_Call(node) _is_Call(node) +#define is_Sel(node) _is_Sel(node) +#define is_Mux(node) _is_Mux(node) +#define is_Load(node) _is_Load(node) +#define is_Sync(node) _is_Sync(node) +#define is_Confirm(node) _is_Confirm(node) #define is_Bad(node) _is_Bad(node) #define is_no_Block(node) _is_no_Block(node) #define is_Block(node) _is_Block(node) +#define get_Block_n_cfgpreds(node) _get_Block_n_cfgpreds(node) +#define get_Block_cfgpred(node, pos) _get_Block_cfgpred(node, pos) +#define get_Block_cfgpred_block(node, pos) _get_Block_cfgpred_block(node, pos) #define get_Block_block_visited(node) _get_Block_block_visited(node) #define set_Block_block_visited(node, visit) _set_Block_block_visited(node, visit) #define mark_Block_block_visited(node) _mark_Block_block_visited(node) @@ -653,6 +864,18 @@ static INLINE type *_get_irn_type(ir_node *node) { #define is_Block_dead(block) _is_Block_dead(block) #define get_Const_tarval(node) _get_Const_tarval(node) #define classify_Const(node) _classify_Const(node) +#define is_irn_forking(node) _is_irn_forking(node) #define get_irn_type(node) _get_irn_type(node) +#define get_irn_type_attr(node) _get_irn_type_attr(node) +#define get_irn_entity_attr(node) _get_irn_entity_attr(node) +#define is_irn_constlike(node) _is_irn_constlike(node) +#define is_irn_keep(node) _is_irn_keep(node) +#define is_irn_machine_op(node) _is_irn_machine_op(node) +#define is_irn_machine_operand(node) _is_irn_machine_operand(node) +#define is_irn_machine_user(node, n) _is_irn_machine_user(node, n) +#define get_Cond_jmp_pred(node) _get_Cond_jmp_pred(node) +#define set_Cond_jmp_pred(node, pred) _set_Cond_jmp_pred(node, pred) +#define get_Psi_n_conds(node) _get_Psi_n_conds(node) +#define get_irn_idx(node) _get_irn_idx(node) # endif /* _IRNODE_T_H_ */