X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firnode_t.h;h=f7b80ba5d3f9c1308b368d45580c0b0cc9804844;hb=5706bc91053a2c8e2d56966c4f3e5bb260590103;hp=5d4e6ee63c978d34e49e407c0f88fd863fffffb9;hpb=493a2be714558086f03e0e2d17285e039c83a011;p=libfirm diff --git a/ir/ir/irnode_t.h b/ir/ir/irnode_t.h index 5d4e6ee63..f7b80ba5d 100644 --- a/ir/ir/irnode_t.h +++ b/ir/ir/irnode_t.h @@ -10,7 +10,6 @@ * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE. */ - /** * @file irnode_t.h * @@ -19,24 +18,27 @@ * @author Martin Trapp, Christian Schaefer */ - # ifndef _IRNODE_T_H_ # define _IRNODE_T_H_ -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -# include "irnode.h" -# include "irop_t.h" -# include "irflag_t.h" -# include "firm_common_t.h" -# include "irdom_t.h" /* For size of struct dom_info. */ -# include "dbginfo.h" -# include "irloop.h" -# include "array.h" +#include "firm_config.h" +#include "irnode.h" +#include "irop_t.h" +#include "irgraph_t.h" +#include "irflag_t.h" +#include "firm_common_t.h" +#include "irdom_t.h" /* For size of struct dom_info. */ +#include "dbginfo.h" +#include "irloop.h" +#include "array.h" + +#include "set.h" +#include "list.h" +#include "entity_t.h" +#include "type_t.h" +#include "tv_t.h" +#include "irextbb_t.h" -# include "exc.h" /** ir node attributes **/ @@ -46,23 +48,27 @@ typedef struct { ir_graph *irg; unsigned long block_visited; /**< for the walker that walks over all blocks. */ /* Attributes private to construction: */ - bool matured; /**< if set, all in-nodes of the block are fixed */ - 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 */ + + struct list_head succ_head; /**< A list head for all successor edges of a block. */ + } block_attr; /** Start attributes */ @@ -73,27 +79,21 @@ typedef struct { /** 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 */ 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 - This union contains the symbolic information represented by the node */ -typedef union type_or_id { - type *typ; - ident *ptrinfo; -} type_or_id; - typedef struct { - type_or_id tori; + symconst_symbol sym; // old tori symconst_kind num; + ir_type *tp; /**< the source type, for analyses. default: type_unknown. */ } symconst_attr; /** Sel attributes */ @@ -101,28 +101,40 @@ typedef struct { entity *ent; /**< entity to select */ } sel_attr; +/** Exception attributes */ typedef struct { - type *cld_tp; /**< type of called procedure */ + 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 + op_pin_state_floats. */ #if PRECISE_EXC_CONTEXT - struct ir_node **frag_arr; /**< For Phi node construction in case of exceptions */ + struct ir_node **frag_arr; /**< For Phi node construction in case of exception */ #endif - entity ** callee_arr; /**< result of callee analysis */ +} except_attr; + +/** Call attributes */ +typedef struct { + except_attr exc; /**< the exception attribute. MUST be the first one. */ + ir_type *cld_tp; /**< type of called procedure */ + entity ** callee_arr; /**< result of callee analysis */ } call_attr; /** Alloc attributes */ typedef struct { - type *type; /**< Type of the allocated object. */ - where_alloc where; /**< stack, heap or other managed part of memory */ -#if PRECISE_EXC_CONTEXT - struct ir_node **frag_arr; /**< For Phi node construction in case of exceptions */ -#endif + except_attr exc; /**< the exception attribute. MUST be the first one. */ + ir_type *type; /**< Type of the allocated object. */ + where_alloc where; /**< stack, heap or other managed part of memory */ } alloc_attr; +/** Free attributes */ +typedef struct { + 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; +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 */ @@ -136,27 +148,54 @@ typedef struct { /** EndReg/EndExcept attributes */ typedef struct { char dummy; - /* ir_graph * irg; */ /**< ir_graph this node belongs to (for */ - /* * navigating in interprocedural graphs) */ - /* @@@ now in block */ } end_attr; /** CallBegin attributes */ typedef struct { - /* ir_graph * irg; */ /**< ir_graph this node belongs to (for */ - /* * navigating in interprocedural graphs) */ - /* @@@ now in block */ - ir_node * call; /**< associated Call-operation */ + ir_node * call; /**< Associated Call-operation. */ } callbegin_attr; /** Cast attributes */ typedef struct { - type *totype; + ir_type *totype; /**< Type of the casted node. */ } cast_attr; -typedef pn_Cmp confirm_attr; /** Attribute to hold compare operation */ +/** 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. */ +} load_attr; + +/** Store attributes */ +typedef struct { + except_attr exc; /**< the exception attribute. MUST be the first one. */ + 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; + +/** + * 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. */ +} 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 */ @@ -167,10 +206,12 @@ typedef union { sel_attr s; /**< 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. */ - io_attr io; /**< For InstOf */ - type *f; /**< For Free. */ + 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. */ + 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 to call get_r_internal_value to find the @@ -178,16 +219,15 @@ typedef union { node takes the role of the obsolete Phi0 node, therefore the name. */ 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 */ + 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 */ confirm_attr confirm_cmp; /**< For Confirm: compare operation */ - filter_attr filter; /**< For Filter */ - end_attr end; /**< For EndReg, EndExcept */ -#if PRECISE_EXC_CONTEXT - struct ir_node **frag_arr; /**< For Phi node construction in case of exceptions - for nodes Store, Load, Div, Mod, Quot, DivMod. */ -#endif + 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 */ } attr; @@ -198,138 +238,623 @@ 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; /**< array of out edges */ + 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 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; /**< the abstract value of this node */ + struct section *sec; +#endif + irn_edge_info_t edge_info; /**< everlasting out edges */ /* ------- Opcode depending fields -------- */ attr attr; /**< attribute of this node. Depends on opcode. Must be last field of struct ir_node. */ }; -/** Copies all attributes stored in the old node to the new node. - Assumes both have the same opcode and sufficient size. */ -void -copy_attrs(const ir_node *old_node, ir_node *new_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); -/*@{*/ +/** @{ */ /** access attributes directly */ -INLINE const_attr get_irn_const_attr (ir_node *node); -INLINE long get_irn_proj_attr (ir_node *node); -INLINE alloc_attr get_irn_alloc_attr (ir_node *node); -INLINE type *get_irn_free_attr (ir_node *node); -INLINE 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); +const_attr get_irn_const_attr (ir_node *node); +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); +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); -/*@}*/ +block_attr get_irn_block_attr (ir_node *node); +load_attr get_irn_load_attr (ir_node *node); +store_attr get_irn_store_attr (ir_node *node); +except_attr get_irn_except_attr (ir_node *node); +/** @} */ + +/** + * The amount of additional space for custom data to be allocated upon creating a new node. + */ +extern unsigned firm_add_node_size; + +/** + * 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 */ /* functions so they can be inlined. */ -/*********************************************************************/ +/*-------------------------------------------------------------------*/ +/** + * Checks whether a pointer points to a ir node. + * Intern version for libFirm. + */ +static INLINE int +_is_ir_node (const void *thing) { + return (get_kind(thing) == k_ir_node); +} +/** + * Gets the op of a node. + * Intern version for libFirm. + */ +static INLINE ir_op * +_get_irn_op (const ir_node *node) { + assert (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 +copy_node_attr(const ir_node *old_node, ir_node *new_node) { + ir_op *op = _get_irn_op(old_node); + + /* must always exist */ + op->ops.copy_attr(old_node, new_node); +} + +/** + * Gets the opcode of a node. + * Intern version for libFirm. + */ +static INLINE opcode +_get_irn_opcode (const ir_node *node) { + assert (k_ir_node == get_kind(node)); + assert (node->op); + return node->op->code; +} -/* returns the number of predecessors without the block predecessor. */ +/** + * Returns the number of predecessors without the block predecessor. + * Intern version for libFirm. + */ static INLINE int -intern_get_irn_intra_arity (const ir_node *node) { +_get_irn_intra_arity (const ir_node *node) { assert(node); return ARR_LEN(node->in) - 1; } -/* returns the number of predecessors without the block predecessor. */ +/** + * Returns the number of predecessors without the block predecessor. + * Intern version for libFirm. + */ static INLINE int -intern_get_irn_inter_arity (const ir_node *node) { +_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 intern_get_irn_intra_arity(node); + return _get_irn_intra_arity(node); } -/* returns the number of predecessors without the block predecessor. */ -static INLINE int -intern_get_irn_arity (const ir_node *node) { - assert(node); - if (interprocedural_view) return intern_get_irn_inter_arity(node); - return intern_get_irn_intra_arity(node); -} +/** + * Returns the number of predecessors without the block predecessor. + * Intern version for libFirm. + */ +extern int (*_get_irn_arity)(const ir_node *node); +/** + * Intern version for libFirm. + */ static INLINE ir_node * -intern_get_irn_intra_n (ir_node *node, int n) { - return (node->in[n + 1] = skip_nop(node->in[n + 1])); +_get_irn_intra_n (const ir_node *node, int n) { + ir_node *nn; + + assert(node); assert(-1 <= n && n < _get_irn_intra_arity(node)); + + nn = node->in[n + 1]; + if (!nn || (nn->op != op_Id)) return nn; + + return (node->in[n + 1] = skip_Id(nn)); } +/** + * Intern version for libFirm. + */ static INLINE ir_node* -intern_get_irn_inter_n (ir_node *node, int n) { +_get_irn_inter_n (const ir_node *node, int n) { + assert(node); assert(-1 <= n && n < _get_irn_inter_arity(node)); + /* handle Filter and Block specially */ - if (get_irn_opcode(node) == iro_Filter) { + if (_get_irn_op(node) == op_Filter) { assert(node->attr.filter.in_cg); - return (node->attr.filter.in_cg[n + 1] = skip_nop(node->attr.filter.in_cg[n + 1])); - } else if (get_irn_opcode(node) == iro_Block && node->attr.block.in_cg) { - return (node->attr.block.in_cg[n + 1] = skip_nop(node->attr.block.in_cg[n + 1])); + return (node->attr.filter.in_cg[n + 1] = skip_Id(node->attr.filter.in_cg[n + 1])); + } else if (_get_irn_op(node) == op_Block && node->attr.block.in_cg) { + return (node->attr.block.in_cg[n + 1] = skip_Id(node->attr.block.in_cg[n + 1])); } - return get_irn_intra_n (node, n); + return _get_irn_intra_n (node, n); } -/* to iterate through the predecessors without touching the array */ -/* To iterate over the operands iterate from 0 to i < get_irn_arity(), - to iterate including the Block predecessor iterate from i = -1 to - i < get_irn_arity. - If it is a block, the entry -1 is NULL. */ -static INLINE ir_node * -intern_get_irn_n (ir_node *node, int n) { - assert(node); assert(-1 <= n && n < intern_get_irn_arity(node)); - if (interprocedural_view) return get_irn_inter_n (node, n); - return get_irn_intra_n (node, n); -} +/** + * Access to the predecessors of a node. + * To iterate over the operands iterate from 0 to i < get_irn_arity(), + * to iterate including the Block predecessor iterate from i = -1 to + * i < get_irn_arity. + * If it is a block, the entry -1 is NULL. + * Intern version for libFirm. + */ +extern ir_node *(*_get_irn_n)(const ir_node *node, int n); +/** + * Gets the mode of a node. + * Intern version for libFirm. + */ static INLINE ir_mode * -intern_get_irn_mode (const ir_node *node) +_get_irn_mode (const ir_node *node) { assert (node); return node->mode; } -static INLINE ir_op * -intern_get_irn_op (const ir_node *node) +/** + * Sets the mode of a node. + * Intern version of libFirm. + */ +static INLINE void +_set_irn_mode (ir_node *node, ir_mode *mode) { assert (node); - return node->op; + node->mode = mode; } -static INLINE opcode -intern_get_irn_opcode (const ir_node *node) +/** + * Gets the visited counter of a node. + * Intern version for libFirm. + */ +static INLINE unsigned long +_get_irn_visited (const ir_node *node) { - assert (k_ir_node == get_kind(node)); - assert (node -> op); - return node->op->code; + assert (node); + return node->visited; +} + +/** + * Sets the visited counter of a node. + * Intern version for libFirm. + */ +static INLINE void +_set_irn_visited (ir_node *node, unsigned long visited) +{ + assert (node); + node->visited = visited; } +/** + * Mark a node as visited in a graph. + * Intern version for libFirm. + */ +static INLINE void +_mark_irn_visited (ir_node *node) { + assert (node); + node->visited = current_ir_graph->visited; +} + +/** + * Returns non-zero if a node of was visited. + * Intern version for libFirm. + */ +static INLINE int +_irn_visited(const ir_node *node) { + assert (node); + return (node->visited >= current_ir_graph->visited); +} + +/** + * Returns non-zero if a node of was NOT visited. + * Intern version for libFirm. + */ +static INLINE int +_irn_not_visited(const ir_node *node) { + assert (node); + return (node->visited < current_ir_graph->visited); +} + +/** + * Sets the link of a node. + * Intern version of libFirm. + */ +static INLINE void +_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(get_irn_irg(node)) != phase_building); + + node->link = link; +} + +/** + * Returns the link of a node. + * Intern version of libFirm. + */ +static INLINE void * +_get_irn_link(const ir_node *node) { + assert (node && _is_ir_node(node)); + return node->link; +} + +/** + * 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)); + /* 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)); + return (node->op->opar == oparity_unary); +} + +static INLINE int +_is_binop(const ir_node *node) { + assert(node && _is_ir_node(node)); + return (node->op->opar == oparity_binary); +} + +static INLINE int +_is_Bad(const ir_node *node) { + assert(node); + return (node && _get_irn_op(node) == op_Bad); +} + +static INLINE int +_is_Const(const ir_node *node) { + assert(node); + return (node && _get_irn_op(node) == op_Const); +} + +static INLINE int +_is_Unknown (const ir_node *node) { + assert(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_no_Block(const ir_node *node) { + assert(node && _is_ir_node(node)); + return (_get_irn_op(node) != op_Block); +} + +static INLINE int +_is_Block(const ir_node *node) { + assert(node && _is_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); + return node->attr.block.block_visited; +} + +static INLINE void +_set_Block_block_visited (ir_node *node, unsigned long visit) { + assert (node->op == op_Block); + node->attr.block.block_visited = visit; +} + +/* For this current_ir_graph must be set. */ +static INLINE void +_mark_Block_block_visited (ir_node *node) { + assert (node->op == op_Block); + node->attr.block.block_visited = get_irg_block_visited(current_ir_graph); +} + +static INLINE int +_Block_not_block_visited(ir_node *node) { + assert (node->op == op_Block); + return (node->attr.block.block_visited < get_irg_block_visited(current_ir_graph)); +} + +static INLINE ir_node * +_set_Block_dead(ir_node *block) { + assert(_get_irn_op(block) == op_Block); + block->attr.block.dead = 1; + return block; +} + +static INLINE int +_is_Block_dead(const ir_node *block) { + ir_op * op = _get_irn_op(block); + + if (op == op_Bad) + return 1; + else { + assert(op == op_Block); + return block->attr.block.dead; + } +} + +static INLINE tarval *_get_Const_tarval (ir_node *node) { + assert (_get_irn_op(node) == op_Const); + return node->attr.con.tv; +} + +static INLINE cnst_classify_t _classify_Const(ir_node *node) { + ir_op *op; + assert(_is_ir_node(node)); + + op = _get_irn_op(node); + + if(op == op_Const) + return classify_tarval(_get_Const_tarval(node)); + else if(op == op_SymConst) + return CNST_SYMCONST; + + return CNST_NO_CONST; +} + +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.c.pred; +} + +static INLINE void _set_Cond_jmp_pred(ir_node *node, cond_jmp_predicate pred) { + assert (_get_irn_op(node) == op_Cond); + node->attr.c.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 */ +#define is_ir_node(thing) _is_ir_node(thing) +#define get_irn_intra_arity(node) _get_irn_intra_arity(node) +#define get_irn_inter_arity(node) _get_irn_inter_arity(node) +#define get_irn_arity(node) _get_irn_arity(node) +#define get_irn_intra_n(node, n) _get_irn_intra_n(node, n) +#define get_irn_inter_n(node, n) _get_irn_inter_n(node, n) +#define get_irn_n(node, n) _get_irn_n(node, n) +#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) +#define mark_irn_visited(node) _mark_irn_visited(node) +#define irn_visited(node) _irn_visited(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_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) +#define Block_not_block_visited(node) _Block_not_block_visited(node) +#define set_Block_dead(block) _set_Block_dead(block) +#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_ */