X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firgraph.h;h=3b2f52acf366b292aa90659b65c3deb646f735fc;hb=68cc2e78ca8ad2e8ab0d473ac7cebdad14f64bd1;hp=932ccd8897985edfd7fc7b9f2b893e9b50e52dfc;hpb=5d996303e8e99fb95b22eacef941d97ea041d71c;p=libfirm diff --git a/ir/ir/irgraph.h b/ir/ir/irgraph.h index 932ccd889..3b2f52acf 100644 --- a/ir/ir/irgraph.h +++ b/ir/ir/irgraph.h @@ -17,102 +17,95 @@ * * @author Martin Trapp, Christian Schaefer */ +#ifndef _FIRM_IR_IRGRAPH_H_ +#define _FIRM_IR_IRGRAPH_H_ #include +#include "firm_types.h" #include "irop.h" +#include "iropt.h" #include "irextbb.h" - -# ifndef _IRGRAPH_H_ -# define _IRGRAPH_H_ -# include "entity.h" - -/* to resolve recursion between irnode.h and irgraph.h */ -#ifndef _IR_NODE_TYPEDEF_ -#define _IR_NODE_TYPEDEF_ -typedef struct ir_node ir_node; -#endif - -/* to resolve recursion between entity.h and irgraph.h */ -#ifndef _IR_GRAPH_TYPEDEF_ -#define _IR_GRAPH_TYPEDEF_ -typedef struct ir_graph ir_graph; -#endif +#include "type.h" /** * @page ir_graph The struct ir_graph * - * This struct contains all information about a procedure. - * It's allocated directly to memory. + * This struct contains all information about a procedure. + * It's allocated directly to memory. * - * The fields of ir_graph: + * The fields of ir_graph: * - * *ent The entity describing this procedure. + * - ent The entity describing this procedure. * - * The beginning and end of a graph: + * The beginning and end of a graph: * - * *start_block This ir_node is the block that contains the unique - * start node of the procedure. With it it contains - * the Proj's on starts results. - * Further all Const nodes are placed in the start block. - * *start This ir_node is the unique start node of the procedure. + * - start_block This ir_node is the block that contains the unique + * start node of the procedure. With it it contains + * the Proj's on starts results. + * Further all Const nodes are placed in the start block. + * - start This ir_node is the unique start node of the procedure. * - * *end_block This ir_node is the block that contains the unique - * end node of the procedure. This block contains no - * further nodes. - * *end This ir_node is the unique end node of the procedure. + * - end_block This ir_node is the block that contains the unique + * end node of the procedure. This block contains no + * further nodes. + * - end This ir_node is the unique end node of the procedure. * - * The following nodes are Projs from the start node, held in ir_graph for - * simple access: + * The following nodes are Projs from the Start node, held in ir_graph for + * simple access: * - * *frame The ir_node producing the pointer to the stack frame of - * the procedure as output. This is the Proj node on the - * third output of the start node. This output of the start - * node is tagged as pns_frame_base. In FIRM most local - * variables are modeled as data flow edges. Static - * allocated arrays can not be represented as data flow - * edges. Therefore FIRM has to represent them in the stack - * frame. + * - frame The ir_node producing the pointer to the stack frame of + * the procedure as output. This is the Proj node on the + * third output of the start node. This output of the start + * node is tagged as pns_frame_base. In FIRM most local + * variables are modeled as data flow edges. Static + * allocated arrays can not be represented as data flow + * edges. Therefore FIRM has to represent them in the stack + * frame. * - * *globals This models a pointer to a space in the memory where - * _all_ global things are held. Select from this pointer - * with a Sel node the pointer to a global variable / - * procedure / compiler known function... . + * - globals This models a pointer to a space in the memory where + * _all_ global things are held. Select from this pointer + * with a Sel node the pointer to a global variable / + * procedure / compiler known function... . * - * *args The ir_node that produces the arguments of the method as - * it's result. This is a Proj node on the fourth output of - * the start node. This output is tagged as pn_Start_T_args. + * - tls This models a pointer to a space in the memory where + * thread local things are held. Select from this pointer + * with a Sel node the pointer to a thread local variable. * - * *proj_args The proj nodes of the args node. + * - args The ir_node that produces the arguments of the method as + * it's result. This is a Proj node on the fourth output of + * the start node. This output is tagged as pn_Start_T_args. * - * *bad The Bad node is an auxiliary node. It is needed only once, - * so there is this globally reachable node. + * - proj_args The proj nodes of the args node. * - * *no_mem The NoMem node is an auxiliary node. It is needed only once, - * so there is this globally reachable node. + * - bad The Bad node is an auxiliary node. It is needed only once, + * so there is this globally reachable node. * - * Data structures that are private to a graph: + * - no_mem The NoMem node is an auxiliary node. It is needed only once, + * so there is this globally reachable node. * - * *obst An obstack that contains all nodes. + * Data structures that are private to a graph: * - * *current_block A pointer to the current block. Any node created with - * one of the node constructors (new_) are assigned - * to this block. It can be set with set_cur_block(block). - * Only needed for ir construction. + * - obst An obstack that contains all nodes. * - * params/n_loc An int giving the number of local variables in this - * procedure. This is needed for ir construction. Name will - * be changed. + * - current_block A pointer to the current block. Any node created with + * one of the node constructors (new_) are assigned + * to this block. It can be set with set_cur_block(block). + * Only needed for ir construction. * - * *value_table This hash table (pset) is used for global value numbering - * for optimizing use in iropt.c. + * - params/n_loc An int giving the number of local variables in this + * procedure. This is needed for ir construction. Name will + * be changed. * - * *Phi_in_stack; a stack needed for automatic Phi construction, needed only - * during ir construction. + * - value_table This hash table (pset) is used for global value numbering + * for optimizing use in iropt.c. * - * visited A int used as flag to traverse the ir_graph. + * - Phi_in_stack; a stack needed for automatic Phi construction, needed only + * during ir construction. * - * block_visited A int used as a flag to traverse block nodes in the graph. + * - isited A int used as flag to traverse the ir_graph. + * + * - block_visited A int used as a flag to traverse block nodes in the graph. */ /** Global variable holding the current ir graph. @@ -149,7 +142,7 @@ void set_interprocedural_view(int state); * procedure: * * - The start block containing a start node and Proj nodes for it's - * five results (X, M, P, P, T). + * seven results (X, M, P, P, P, T, P). * - The end block containing an end node. This block is not matured * after executing new_ir_graph() as predecessors need to be added to it. * (Maturing a block means fixing it's number of predecessors.) @@ -169,7 +162,7 @@ void set_interprocedural_view(int state); * * @see new_pseudo_ir_graph() */ -ir_graph *new_ir_graph (entity *ent, int n_loc); +ir_graph *new_ir_graph (ir_entity *ent, int n_loc); /** Frees the passed irgraph. * Deallocates all nodes in this graph and the ir_graph structure. @@ -195,13 +188,11 @@ int is_ir_graph(const void *thing); /* #define get_irg_entity get_irg_ent */ /* #define set_irg_entity set_irg_ent */ -entity *get_irg_entity (const ir_graph *irg); -void set_irg_entity (ir_graph *irg, entity *ent); +ir_entity *get_irg_entity (const ir_graph *irg); +void set_irg_entity (ir_graph *irg, ir_entity *ent); -type *get_irg_frame_type (const ir_graph *irg); -void set_irg_frame_type (ir_graph *irg, type *ftp); -/* To test for a frame type. O(#irgs) if ftp is class type. */ -int is_frame_type (const type *ftp); +ir_type *get_irg_frame_type (ir_graph *irg); +void set_irg_frame_type (ir_graph *irg, ir_type *ftp); ir_node *get_irg_start_block (const ir_graph *irg); void set_irg_start_block (ir_graph *irg, ir_node *node); @@ -224,12 +215,6 @@ void set_irg_end_reg (ir_graph *irg, ir_node *node); ir_node *get_irg_end_except (const ir_graph *irg); void set_irg_end_except (ir_graph *irg, ir_node *node); - -/* @@@ oblivious, no more supported. */ -ir_node *get_irg_cstore (const ir_graph *irg); -void set_irg_cstore (ir_graph *irg, ir_node *node); -/* end oblivious */ - /** Returns the node that represents the frame pointer. */ ir_node *get_irg_frame (const ir_graph *irg); /** Sets the node that represents the frame pointer. */ @@ -240,6 +225,11 @@ ir_node *get_irg_globals (const ir_graph *irg); /** Sets the node that represents the global pointer. */ void set_irg_globals (ir_graph *irg, ir_node *node); +/** Returns the node that represents the tls pointer. */ +ir_node *get_irg_tls (const ir_graph *irg); +/** Sets the node that represents the tls pointer. */ +void set_irg_tls (ir_graph *irg, ir_node *node); + /** Returns the node that represents the initial memory. */ ir_node *get_irg_initial_mem (const ir_graph *irg); /** Sets the node that represents the initial memory. */ @@ -250,6 +240,11 @@ ir_node *get_irg_args (const ir_graph *irg); /** Sets the node that represents the argument pointer. */ void set_irg_args (ir_graph *irg, ir_node *node); +/** Returns the node that represents the value parameter base pointer. */ +ir_node *get_irg_value_param_base (const ir_graph *irg); +/** Sets the node that represents the value parameter base pointer. */ +void set_irg_value_param_base (ir_graph *irg, ir_node *node); + /** Returns an array of the nodes of the argument pointer. */ ir_node **get_irg_proj_args (const ir_graph *irg); /** Sets the array of the nodes of the argument pointer. */ @@ -284,12 +279,12 @@ long get_irg_graph_nr(ir_graph *irg); /** The states of an ir graph. * - * state phase values: phase_building, phase_high, phase_low. + * state phase values: phase_building, phase_high, phase_low, phase_backend. * * The graph is in phase_building during construction of the irgraph. * The construction is finished by a call to finalize_cons(). * - * Finalize_cons() sets the state to phase_high. All Firm nodes are + * Finalize_cons() sets the state to phase_high. All standard Firm nodes are * allowed. * * To get the irgraph into phase_low all Sel nodes must be removed and @@ -297,18 +292,23 @@ long get_irg_graph_nr(ir_graph *irg); * type tag nodes must be removed (@@@ really?). Initialization of * memory allocated by Alloc must be explicit. @@@ More conditions? * + * phase_backend is set if architecture specific machine nodes are inserted + * (and probably most standard Firm are removed). */ typedef enum { phase_building, phase_high, - phase_low + phase_low, + phase_backend } irg_phase_state; /** returns the phase_state of an IR graph. */ irg_phase_state get_irg_phase_state (const ir_graph *irg); /** sets the phase state of an IR graph. */ -void set_irg_phase_low(ir_graph *irg); +void set_irg_phase_state(ir_graph *irg, irg_phase_state state); + +#define set_irg_phase_low(irg) set_irg_phase_state(irg, phase_low) /** state: op_pin_state_pinned The graph is "op_pin_state_pinned" if all nodes are associated with a basic block. @@ -331,8 +331,17 @@ typedef enum { irg_outs_state get_irg_outs_state(const ir_graph *irg); void set_irg_outs_inconsistent(ir_graph *irg); +/** state: extended basic block state. */ +typedef enum { + extblk_none = 0, /**< No extended basic block information is constructed. Default. */ + extblk_valid = 1, /**< Extended basic block information is valid. */ + extblk_invalid = 2 /**< Extended basic block information is constructed but invalid. */ +} irg_extblk_state; +irg_extblk_state get_irg_extblk_state(const ir_graph *irg); +void set_irg_extblk_inconsistent(ir_graph *irg); + /** state: dom_state - * Signals the state of the dominator information. + * Signals the state of the dominator / post dominator information. */ typedef enum { dom_none, /**< dominator are not computed, no memory is allocated */ @@ -340,11 +349,14 @@ typedef enum { dom_inconsistent /**< dominator information is computed but the graph has been changed since */ } irg_dom_state; -/** returns the dom_state of an IR graph. */ +/** returns the dominator state of an IR graph. */ irg_dom_state get_irg_dom_state(const ir_graph *irg); -/** sets the dom_state of an IR graph. */ -void set_irg_dom_inconsistent(ir_graph *irg); +/** returns the post dominator state of an IR graph. */ +irg_dom_state get_irg_postdom_state(const ir_graph *irg); + +/** sets the dominator and post dominator state of an IR graph to inconsistent. */ +void set_irg_doms_inconsistent(ir_graph *irg); /** state: loopinfo_state * Loop information describes the loops within the control and @@ -418,10 +430,12 @@ void set_irg_callee_info_state(ir_graph *irg, irg_callee_info_s * Tells how to handle an ir graph in inlineing. */ typedef enum { - irg_inline_any, /**< No restriction on inlineing. Default. */ - irg_inline_forbidden, /**< The graph may not be inlined. */ - irg_inline_recomended, /**< The graph should be inlined. */ - irg_inline_forced /**< The graph must be inlined. */ + irg_inline_any, /**< No restriction on inlineing. Default. */ + irg_inline_forbidden, /**< The graph may not be inlined. */ + irg_inline_recomended, /**< The graph should be inlined. */ + irg_inline_forced, /**< The graph must be inlined. */ + irg_inline_forced_no_body /**< The graph must be inlined. No body is allowed + to be emitted. */ } irg_inline_property; /** Returns the inline property of a graph. */ @@ -429,6 +443,20 @@ irg_inline_property get_irg_inline_property(const ir_graph *irg); /** Sets the inline property of a graph. */ void set_irg_inline_property(ir_graph *irg, irg_inline_property s); +/** + * Returns the mask of the additional graph properties. + * The properties are automatically inherited from the method type + * if they were not set using set_irg_additional_properties() or + * set_irg_additional_property(). + */ +unsigned get_irg_additional_properties(const ir_graph *irg); + +/** Sets the mask of the additional graph properties. */ +void set_irg_additional_properties(ir_graph *irg, unsigned property_mask); + +/** Sets one additional graph property. */ +void set_irg_additional_property(ir_graph *irg, mtp_additional_property flag); + /** A void * field to link arbitrary information to the node. */ void set_irg_link (ir_graph *irg, void *thing); void *get_irg_link (const ir_graph *irg); @@ -450,6 +478,14 @@ void inc_irg_block_visited (ir_graph *irg); unsigned long get_irg_block_visited (const ir_graph *irg); void set_irg_block_visited (ir_graph *irg, unsigned long i); +/** Flags indicating whether or not we are inside an irg/block walk. */ +void set_inside_block_walk(ir_graph *irg); +void clear_inside_block_walk(ir_graph *irg); +unsigned inside_block_walk(const ir_graph *irg); +void set_inside_irg_walk(ir_graph *irg); +void clear_inside_irg_walk(ir_graph *irg); +unsigned inside_irg_walk(const ir_graph *irg); + /** move Proj nodes into the same block as its predecessors */ void normalize_proj_nodes(ir_graph *irg); @@ -459,6 +495,20 @@ void set_irg_loc_description(ir_graph *irg, int n, void *description); /** get the description for local value n */ void *get_irg_loc_description(ir_graph *irg, int n); +/** Returns a estimated node count of the irg. This count is updated + * after every irg_walk_graph(). + */ +unsigned get_irg_estimated_node_cnt(const ir_graph *irg); + +/** Returns the last irn index for this graph. */ +unsigned get_irg_last_idx(const ir_graph *irg); + +/** Returns the floating point model of this graph. */ +unsigned get_irg_fp_model(const ir_graph *irg); + +/** Sets a floating point model for this graph. */ +void set_irg_fp_model(ir_graph *irg, unsigned model); + /** * Access custom graph data. * The data must have been registered with @@ -489,4 +539,4 @@ void *get_irg_loc_description(ir_graph *irg, int n); */ size_t register_additional_graph_data(size_t size); -# endif /* _IRGRAPH_H_ */ +#endif /* _FIRM_IR_IRGRAPH_H_ */