X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firtypes.h;h=0df6d12062793f9bf660805c82f6ec99ef4f8da3;hb=1140301fc5c11fef75f583bc4d94082cfd450fbc;hp=11c5471b9c81b508ae0ab89916e2a5884e20bf5f;hpb=afc76013cf2d86ece32611ba055c4c5149be9dbc;p=libfirm diff --git a/ir/ir/irtypes.h b/ir/ir/irtypes.h index 11c5471b9..0df6d1206 100644 --- a/ir/ir/irtypes.h +++ b/ir/ir/irtypes.h @@ -27,25 +27,34 @@ #define FIRM_IR_IRDEFS_H #include "firm_types.h" -#include "firm_common_t.h" #include "irdom_t.h" #include "irmode.h" #include "irnode.h" #include "irgraph.h" #include "iredgekinds.h" #include "irtypeinfo.h" +#include "irextbb.h" #include "execution_frequency.h" #include "irmemory.h" #include "callgraph.h" +#include "irprog.h" #include "field_temperature.h" -#include "irphases_t.h" +#include "irphase.h" #include "pset.h" #include "set.h" #include "list.h" #include "obst.h" +#include "vrp.h" -struct ir_phase; +/** + * List of phases. (We will add a register/unregister interface if managing + * this gets too tedious) + */ +typedef enum ir_phase_id { + PHASE_VRP, + PHASE_LAST = PHASE_VRP +} ir_phase_id; /** The type of an ir_op. */ struct ir_op { @@ -70,9 +79,8 @@ struct ir_op { * and comparisons of values of a such described mode. * * ATTRIBUTES: - * - modecode code: An unambiguous int (enum) for the mode * - ident *name: Name of this mode. Two modes are different if the name is different. - * - mode_sort sort: sort of mode specifying possible usage categories + * - ir_mode_sort sort: sort of mode specifying possible usage categories * - int size: size of the mode in Bits. * - unsigned sign:1: signedness of this mode * - ... more to come @@ -85,15 +93,16 @@ struct ir_op { */ struct ir_mode { firm_kind kind; /**< distinguishes this node from others */ - modecode code; /**< unambiguous identifier of a mode */ ident *name; /**< Name ident of this mode */ + ir_type *type; /**< corresponding primitive type */ /* ----------------------------------------------------------------------- */ /* On changing this struct you have to evaluate the mode_are_equal function!*/ - mode_sort sort; /**< coarse classification of this mode: + ir_mode_sort sort; /**< coarse classification of this mode: int, float, reference ... (see irmode.h) */ - mode_arithmetic arithmetic; /**< different arithmetic operations possible with a mode */ + ir_mode_arithmetic + arithmetic; /**< different arithmetic operations possible with a mode */ unsigned size; /**< size of the mode in Bits. */ unsigned sign:1; /**< signedness of this mode */ unsigned int modulo_shift; /**< number of bits a values of this mode will be shifted */ @@ -114,18 +123,22 @@ struct ir_mode { const void *tv_priv; /**< tarval module will save private data here */ }; -/** ir node attributes **/ +/* ir node attributes */ + +/** first attribute of Bad and Block nodes */ +typedef struct { + ir_graph *irg; /**< The graph this block like node belongs to. */ +} irg_attr; /** Block attributes */ typedef struct { /* General attributes */ - ir_graph *irg; /**< The graph this block belongs to. */ - unsigned long block_visited; /**< For the walker that walks over all blocks. */ + irg_attr irg; /**< The graph this block belongs to. */ + ir_visited_t block_visited; /**< For the walker that walks over all blocks. */ /* Attributes private to construction: */ unsigned is_matured:1; /**< If set, all in-nodes of the block are fixed. */ unsigned is_dead:1; /**< If set, the block is dead (and could be replace by a Bad. */ unsigned is_mb_head:1; /**< Set if this block is a macroblock head. */ - unsigned has_label:1; /**< Set if this block has a label assigned. */ unsigned marked:1; /**< Can be set/unset to temporary mark a block. */ ir_node **graph_arr; /**< An array to store all parameters. */ /* Attributes holding analyses information */ @@ -143,7 +156,7 @@ typedef struct { ir_extblk *extblk; /**< The extended basic block this block belongs to. */ ir_region *region; /**< The immediate structural region this block belongs to. */ unsigned mb_depth; /**< The macroblock depth: A distance from the macroblock header */ - ir_label_t label; /**< The block label if assigned. */ + ir_entity *entity; /**< entitiy representing this block */ ir_node *phis; /**< The list of Phi nodes in this block. */ struct list_head succ_head; /**< A list head for all successor edges of a block. */ @@ -151,15 +164,14 @@ typedef struct { /** Cond attributes. */ typedef struct { - 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. */ + long default_proj; /**< only for non-binary Conds: biggest Proj number, i.e. the one used for default. */ + cond_jmp_predicate jmp_pred; /**< only for binary Conds: The jump predication. */ } cond_attr; /** Const attributes. */ typedef struct { - tarval *tv; /**< the target value */ - ir_type *tp; /**< the source type, for analyses. default: type_unknown. */ + tarval *tarval; /**< the target value */ + ir_type *tp; /**< the source type, for analyses. default: type_unknown. */ } const_attr; /** SymConst attributes. */ @@ -171,7 +183,7 @@ typedef struct { /** Sel attributes. */ typedef struct { - ir_entity *ent; /**< entity to select */ + ir_entity *entity; /**< entity to select */ } sel_attr; /** Exception attributes. */ @@ -179,18 +191,24 @@ 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 op_pin_state_floats. */ -#if PRECISE_EXC_CONTEXT struct ir_node **frag_arr; /**< For Phi node construction in case of exception */ -#endif } 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 */ - ir_entity ** callee_arr; /**< result of callee analysis */ + except_attr exc; /**< the exception attribute. MUST be the first one. */ + ir_type *type; /**< type of called procedure */ + ir_entity **callee_arr; /**< result of callee analysis */ + unsigned tail_call:1; /**< if set, can be a tail call */ } call_attr; +/** Builtin attributes. */ +typedef struct { + except_attr exc; /**< the exception attribute. MUST be the first one. */ + ir_builtin_kind kind; /**< kind of the called builtin procedure */ + ir_type *type; /**< type of called builtin procedure */ +} builtin_attr; + /** Alloc attributes. */ typedef struct { except_attr exc; /**< the exception attribute. MUST be the first one. */ @@ -224,7 +242,7 @@ typedef struct { /** Cast attributes. */ typedef struct { - ir_type *totype; /**< Type of the casted node. */ + ir_type *type; /**< Type of the casted node. */ } cast_attr; /** Load attributes. */ @@ -232,7 +250,7 @@ typedef struct { except_attr exc; /**< The exception attribute. MUST be the first one. */ unsigned volatility:1; /**< The volatility of this Load operation. */ unsigned aligned:1; /**< The align attribute of this Load operation. */ - ir_mode *load_mode; /**< The mode of this Load operation. */ + ir_mode *mode; /**< The mode of this Load operation. */ } load_attr; /** Store attributes. */ @@ -264,7 +282,7 @@ typedef struct { /** CopyB attribute. */ typedef struct { except_attr exc; /**< The exception attribute. MUST be the first one. */ - ir_type *data_type; /**< Type of the copied entity. */ + ir_type *type; /**< Type of the copied entity. */ } copyb_attr; /** Bound attribute. */ @@ -280,29 +298,31 @@ typedef struct { /** Div/Mod/DivMod/Quot attribute. */ typedef struct { except_attr exc; /**< The exception attribute. MUST be the first one. */ - ir_mode *res_mode; /**< Result mode for the division. */ + ir_mode *resmode; /**< Result mode for the division. */ char no_remainder; /**< Set, if known that a division can be done without a remainder. */ } divmod_attr; /** Inline Assembler support attribute. */ typedef struct { /* BEWARE: pin state MUST be the first attribute */ - op_pin_state pin_state; /**< the pin state for operations that might generate a exception */ - ident *asm_text; /**< The inline assembler text. */ - ir_asm_constraint *inputs; /**< Input constraints. */ - ir_asm_constraint *outputs; /**< Output constraints. */ - ident **clobber; /**< List of clobbered registers. */ + op_pin_state pin_state; /**< the pin state for operations that might generate a exception */ + ident *text; /**< The inline assembler text. */ + ir_asm_constraint *input_constraints; /**< Input constraints. */ + ir_asm_constraint *output_constraints; /**< Output constraints. */ + ident **clobbers; /**< List of clobbered registers. */ } asm_attr; /** Some IR-nodes just have one attribute, these are stored here, some have more. Their name is 'irnodename_attr' */ typedef union { + irg_attr irg; /**< For Blocks and Bad: its belonging irg */ 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 */ + call_attr call; /**< For Call. */ + builtin_attr builtin; /**< For Builtin. */ callbegin_attr callbegin; /**< For CallBegin. */ alloc_attr alloc; /**< For Alloc. */ free_attr free; /**< For Free. */ @@ -327,11 +347,20 @@ typedef union { */ typedef struct _irn_edge_kind_info_t { struct list_head outs_head; /**< The list of all outs. */ - int out_count; /**< Number of outs in the list. */ + unsigned edges_built : 1; /**< Set edges where built for this node. */ + unsigned out_count : 31; /**< Number of outs in the list. */ } irn_edge_info_t; typedef irn_edge_info_t irn_edges_info_t[EDGE_KIND_LAST]; +/** + * A Def-Use edge. + */ +typedef struct _ir_def_use_edge { + ir_node *use; /** The use node of that edge. */ + int pos; /** The position of this edge in use's input array. */ +} ir_def_use_edge; + /** * The common structure of an irnode. * If the node has some attributes, they are stored in the attr field. @@ -339,33 +368,29 @@ typedef irn_edge_info_t irn_edges_info_t[EDGE_KIND_LAST]; struct ir_node { /* ------- Basics of the representation ------- */ firm_kind kind; /**< Distinguishes this node from others. */ - unsigned node_idx; /**< The node index of this node in its graph. */ + unsigned node_idx; /**< The node index of this node in its graph. */ ir_op *op; /**< The Opcode of this node. */ ir_mode *mode; /**< The Mode of this node. */ struct ir_node **in; /**< The array of predecessors / operands. */ - unsigned long visited; /**< The visited counter for walks of the graph. */ + ir_visited_t visited; /**< The visited counter for walks of the 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 + used during optimization to link to nodes that shall replace a node. */ + long node_nr; /**< A globally unique node number for each node. */ /* ------- Fields for optimizations / analysis information ------- */ - struct ir_node **out; /**< @deprecated array of out edges. */ + ir_def_use_edge *out; /**< array of def-use edges. */ struct dbg_info *dbi; /**< A pointer to information for debug support. */ /* ------- For debugging ------- */ #ifdef DEBUG_libfirm unsigned out_valid : 1; unsigned flags : 31; - 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; /**< Heapanalysis: The abstract value of this node. */ - struct section *sec; /**< Heapanalysis: The section of this node. */ -#endif struct ir_node **deps; /**< Additional dependencies induced by state. */ + void *backend_info; irn_edges_info_t edge_info; /**< Everlasting out edges. */ + /* ------- Opcode depending fields -------- */ attr attr; /**< The set of attributes of this node. Depends on opcode. Must be last field of struct ir_node. */ @@ -377,10 +402,11 @@ struct ir_node { * Edge info to put into an irg. */ typedef struct _irg_edge_info_t { - ir_edgeset_t edges; - struct obstack edges_obst; - unsigned allocated : 1; - unsigned activated : 1; /**< set if edges are activated for the graph. */ + ir_edgeset_t edges; /**< A set containing all edges of the current graph. */ + struct list_head free_edges; /**< list of all free edges. */ + struct obstack edges_obst; /**< Obstack, where edges are allocated on. */ + unsigned allocated : 1; /**< Set if edges are allocated on the obstack. */ + unsigned activated : 1; /**< Set if edges are activated for the graph. */ } irg_edge_info_t; typedef irg_edge_info_t irg_edges_info_t[EDGE_KIND_LAST]; @@ -401,7 +427,6 @@ enum irg_anchors { thread local data. */ anchor_initial_mem, /**< initial memory of this graph */ anchor_args, /**< methods arguments */ - anchor_value_param_base, /**< method value param base */ anchor_bad, /**< bad node of this ir_graph, the one and only in this graph */ anchor_no_mem, /**< NoMem node of this ir_graph, the one and only in this graph */ @@ -437,25 +462,23 @@ struct ir_graph { unsigned additional_properties; /**< Additional graph properties. */ /* -- Fields indicating different states of irgraph -- */ - irg_phase_state phase_state; /**< Compiler phase. */ - op_pin_state irg_pinned_state; /**< Flag for status of nodes. */ - irg_outs_state outs_state; /**< Out edges. */ - irg_dom_state dom_state; /**< Dominator state information. */ - irg_dom_state pdom_state; /**< Post Dominator state information. */ - ir_typeinfo_state typeinfo_state; /**< Validity of type information. */ + ir_graph_state_t state; + irg_phase_state phase_state; /**< Compiler phase. */ + op_pin_state irg_pinned_state; /**< Flag for status of nodes. */ + irg_outs_state outs_state; /**< Out edges. */ + irg_dom_state dom_state; /**< Dominator state information. */ + irg_dom_state pdom_state; /**< Post Dominator state information. */ + ir_typeinfo_state typeinfo_state; /**< Validity of type information. */ irg_callee_info_state callee_info_state; /**< Validity of callee information. */ - irg_loopinfo_state loopinfo_state; /**< State of loop information. */ - ir_class_cast_state class_cast_state; /**< Kind of cast operations in code. */ + irg_loopinfo_state loopinfo_state; /**< State of loop information. */ + ir_class_cast_state class_cast_state; /**< Kind of cast operations in code. */ irg_extblk_info_state extblk_state; /**< State of extended basic block info. */ - exec_freq_state execfreq_state; /**< Execution frequency state. */ - ir_address_taken_computed_state adr_taken_state; /**< Address taken state. */ + exec_freq_state execfreq_state; /**< Execution frequency state. */ + ir_entity_usage_computed_state entity_usage_state; unsigned mem_disambig_opt; /**< Options for the memory disambiguator. */ unsigned fp_model; /**< floating point model of the graph. */ /* -- Fields for construction -- */ -#if USE_EXPLICIT_PHI_IN_STACK - struct Phi_in_stack *Phi_in_stack; /**< Needed for automatic Phi construction. */ -#endif int n_loc; /**< Number of local variables in this procedure including procedure parameters. */ void **loc_descriptions; /**< Storage for local variable descriptions. */ @@ -463,7 +486,7 @@ struct ir_graph { /* -- Fields for optimizations / analysis information -- */ pset *value_table; /**< Hash table for global value numbering (cse) for optimizing use in iropt.c */ - ir_node **outs; /**< Space for the out arrays. */ + ir_def_use_edge *outs; /**< Space for the Def-Use arrays. */ ir_loop *loop; /**< The outermost loop for this graph. */ void *link; /**< A void* field to link any information to @@ -473,18 +496,20 @@ struct ir_graph { unsigned *caller_isbe; /**< For callgraph analysis: raw bitset if backedge info calculated. */ cg_callee_entry **callees; /**< For callgraph analysis: list of callee calls */ unsigned *callee_isbe; /**< For callgraph analysis: raw bitset if backedge info calculated. */ + ir_loop *l; /**< For callgraph analysis. */ int callgraph_loop_depth; /**< For callgraph analysis */ int callgraph_recursion_depth; /**< For callgraph analysis */ double method_execution_frequency; /**< For callgraph analysis */ - ir_loop *l; /**< For callgraph analysis. */ /* -- Fields for Walking the graph -- */ - unsigned long visited; /**< this flag is an identifier for + ir_visited_t visited; /**< this flag is an identifier for ir walk. it will be incremented every time someone walks through the graph */ - unsigned long block_visited; /**< same as visited, for a complete block */ + ir_visited_t block_visited; /**< same as visited, for a complete block */ + + ir_visited_t self_visited; /**< visited flag of the irg */ unsigned estimated_node_count; /**< estimated number of nodes in this graph, updated after every walk */ @@ -492,7 +517,10 @@ struct ir_graph { ir_node **idx_irn_map; /**< Array mapping node indexes to nodes. */ int index; /**< a unique number for each graph */ - ir_phase *phases[PHASE_LAST]; /**< Phase information. */ + ir_phase *phases[PHASE_LAST+1]; /**< Phase information. */ + void *be_data; /**< backend can put in private data here */ + + unsigned dump_nr; /**< number of graph dumps */ #ifdef DEBUG_libfirm int n_outs; /**< Size wasted for outs */ long graph_nr; /**< a unique graph number for each @@ -500,34 +528,40 @@ struct ir_graph { #endif #ifndef NDEBUG - unsigned using_irn_visited : 1; /**< set to 1 if we are currently using the visited flag */ - unsigned using_block_visited : 1; /**< set to 1 if we are currently using the block_visited flag */ - unsigned using_irn_link : 1; /**< set to 1 if we are currently using the irn_link fields */ - unsigned using_block_mark : 1; /**< set to 1 if we are currently using the block mark flags */ + ir_resources_t reserved_resources; /**< Bitset for tracking used local resources. */ #endif }; -/** ir_prog */ +/** + * Data structure that holds central information about a program + * or a module. + * One irp is created by libFirm on construction, so irp should never be NULL. + * + * - main_irg: The ir graph that is the entry point to the program. + * (Anything not reachable from here may be optimized away + * if this irp represents a whole program. + * - irg: List of all ir graphs in the program or module. + * - type: A list containing all types known to the translated program. + * Some types can have several entries in this list (as a result of + * using exchange_types()). + * - glob_type: The unique global type that is owner of all global entities + * of this module. + */ struct ir_prog { firm_kind kind; /**< must be k_ir_prog */ ident *name; /**< A file name or the like. */ ir_graph *main_irg; /**< The entry point to the compiled program or NULL if no point exists. */ ir_graph **graphs; /**< A list of all graphs in the ir. */ - ir_graph **pseudo_graphs; /**< A list of all pseudo graphs in the ir. See pseudo_irg.c */ ir_graph *const_code_irg; /**< This ir graph gives the proper environment to allocate nodes the represent values of constant entities. It is not meant as a procedure. */ - ir_type *glob_type; /**< The global type. Must be a class as it can - have fields and procedures. */ - ir_type *tls_type; /**< The thread local storage type. Must be a struct as it can - only have fields. */ - ir_type *constructors_type; /**< contains links to module constructor - functions. Must be a struct */ + ir_type *segment_types[IR_SEGMENT_LAST+1]; ir_type **types; /**< A list of all types in the ir. */ ir_mode **modes; /**< A list of all modes in the ir. */ ir_op **opcodes; /**< A list of all opcodes in the ir. */ + ident **global_asms; /**< An array of global ASM insertions. */ /* -- states of and access to generated information -- */ irg_phase_state phase_state; /**< The state of construction. */ @@ -555,13 +589,15 @@ struct ir_prog { exec_freq_state execfreq_state; /**< The state of execution frequency information */ loop_nesting_depth_state lnd_state; /**< The state of loop nesting depth information. */ ir_class_cast_state class_cast_state; /**< The state of cast operations in code. */ - ir_address_taken_computed_state globals_adr_taken_state; /**< Address taken state of the globals. */ + ir_entity_usage_computed_state globals_entity_usage_state; ir_exc_region_t last_region_nr; /**< The last exception region number that was assigned. */ ir_label_t last_label_nr; /**< The highest label number for generating unique labels. */ int max_irg_idx; /**< highest unused irg index */ -#ifdef DEBUG_libfirm long max_node_nr; /**< to generate unique numbers for nodes. */ + unsigned dump_nr; /**< number of program info dumps */ +#ifndef NDEBUG + ir_resources_t reserved_resources; /**< Bitset for tracking used global resources. */ #endif };