X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firnode_t.h;h=41d3ec0db97001f56bdd227d0da6442d7ce42eec;hb=76a6c3b40390427bc516a943316642bb57daa465;hp=133c38fb9f64ad58ccb8f2324d34c8e7f58267d4;hpb=3a54957505decc179c0951298bce7e0361a79462;p=libfirm diff --git a/ir/ir/irnode_t.h b/ir/ir/irnode_t.h index 133c38fb9..41d3ec0db 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 +18,26 @@ * @author Martin Trapp, Christian Schaefer */ - # ifndef _IRNODE_T_H_ # define _IRNODE_T_H_ -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif +#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 "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 "set.h" +#include "list.h" +#include "entity_t.h" +#include "type_t.h" +#include "tv_t.h" -# include "exc.h" /** ir node attributes **/ @@ -46,7 +47,8 @@ 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 */ + 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 */ /* Attributes holding analyses information */ struct dom_info dom; /**< Datastructure that holds information about dominators. @@ -75,7 +77,7 @@ typedef struct { typedef struct { cond_kind kind; /**< flavor of Cond */ long default_proj; /**< for optimization: biggest Proj number, i.e. the one - used for default. */ + used for default. */ } cond_attr; /** Const attributes */ @@ -84,16 +86,10 @@ typedef struct { 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; + type *tp; /**< the source type, for analyses. default: type_unknown. */ } symconst_attr; /** Sel attributes */ @@ -101,23 +97,35 @@ 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; + +typedef struct { + except_attr exc; /**< the exception attribute. MUST be the first one. */ + 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. */ + type *type; /**< Type of the allocated object. */ + where_alloc where; /**< stack, heap or other managed part of memory */ } alloc_attr; +/** Free attributes */ +typedef struct { + type *type; /**< Type of the allocated object. */ + where_alloc where; /**< stack, heap or other managed part of memory */ +} free_attr; + /** InstOf attributes */ typedef struct { @@ -136,16 +144,10 @@ 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 */ } callbegin_attr; @@ -154,7 +156,29 @@ typedef struct { type *totype; } 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 */ + +/** + * 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 have more. Their name is 'irnodename_attr' */ @@ -167,16 +191,18 @@ 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. */ + alloc_attr a; /**< For Alloc. */ + free_attr f; /**< For Free. */ io_attr io; /**< For InstOf */ - type *f; /**< For Free. */ 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 - predecessors. If this attribute is set, the Phi - node takes the role of the obsolete Phi0 node, - therefore the name. */ + this Phi node. Needed when the Phi is completed + to call get_r_internal_value to find the + predecessors. If this attribute is set, the Phi + 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! */ @@ -184,10 +210,7 @@ typedef union { 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 + except_attr except; /**< For Phi node construction in case of exceptions */ } attr; @@ -205,25 +228,28 @@ struct ir_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 out_valid; int node_nr; /**< a unique node number for each node to make output - readable. */ + 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 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. */ }; -/** 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. */ @@ -231,31 +257,80 @@ 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); +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); type *get_irn_call_attr (ir_node *node); 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; + +/** Set the get_type operation of an ir_op. */ +ir_op *firm_set_default_get_type(ir_op *op); + /*-------------------------------------------------------------------*/ /* 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; +} + +/** 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->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. * 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; } @@ -265,101 +340,302 @@ intern_get_irn_intra_arity (const ir_node *node) { * 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_opcode(node) == iro_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_opcode(node) == iro_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. * Intern version for libFirm. */ -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); -} +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) { + assert(node); assert(-1 <= n && n < _get_irn_intra_arity(node)); + + return (node->in[n + 1] = skip_Id(node->in[n + 1])); } /** * 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_opcode(node) == iro_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_opcode(node) == iro_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); } /** * Access to the predecessors of a node. - * To iterate over the operands iterate from 0 to i < intern_get_irn_arity(), + * 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. */ -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); -} +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; } /** - * Gets the op of a 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); + node->mode = mode; +} + +/** + * Gets the visited counter of a node. * Intern version for libFirm. */ -static INLINE ir_op * -intern_get_irn_op (const ir_node *node) +static INLINE unsigned long +_get_irn_visited (const ir_node *node) { assert (node); - return node->op; + return node->visited; } /** - * Gets the opcode of a node. + * Sets the visited counter of a node. * Intern version for libFirm. */ -static INLINE opcode -intern_get_irn_opcode (const ir_node *node) +static INLINE void +_set_irn_visited (ir_node *node, unsigned long visited) { - assert (k_ir_node == get_kind(node)); - assert (node -> op); - return node->op->code; + 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(current_ir_graph) != 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 the pinned state of a node. + * 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)); + 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 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_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 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 type *_get_irn_type(ir_node *node) { + return _get_irn_op(node)->get_type(node); +} +/* 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 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 is_unop(node) _is_unop(node) +#define is_binop(node) _is_binop(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_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 get_irn_type(node) _get_irn_type(node) # endif /* _IRNODE_T_H_ */