X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firgraph.h;h=145fb599b3407f00989a56f7b4d00541e87a5711;hb=4a66f0a15aad79ea64bdf6e742dc7097f04428ed;hp=a817cd397bfdaab99b6a008350ac20934e7ca47e;hpb=0b12a59c80ad82ed918c732c7d265a5436c0c994;p=libfirm diff --git a/ir/ir/irgraph.h b/ir/ir/irgraph.h index a817cd397..145fb599b 100644 --- a/ir/ir/irgraph.h +++ b/ir/ir/irgraph.h @@ -17,14 +17,15 @@ * * @author Martin Trapp, Christian Schaefer */ -#ifndef _IRGRAPH_H_ -#define _IRGRAPH_H_ +#ifndef _FIRM_IR_IRGRAPH_H_ +#define _FIRM_IR_IRGRAPH_H_ #include #include "firm_types.h" #include "irop.h" #include "irextbb.h" +#include "type.h" /** * @page ir_graph The struct ir_graph @@ -55,22 +56,26 @@ * *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 + * 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... . + * _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. + * + * *proj_args The proj nodes of the args node. * * *bad The Bad node is an auxiliary node. It is needed only once, * so there is this globally reachable node. @@ -88,14 +93,14 @@ * Only needed for ir construction. * * params/n_loc An int giving the number of local variables in this - * procedure. This is needed for ir construction. Name will - * be changed. + * procedure. This is needed for ir construction. Name will + * be changed. * * *value_table This hash table (pset) is used for global value numbering - * for optimizing use in iropt.c. + * for optimizing use in iropt.c. * * *Phi_in_stack; a stack needed for automatic Phi construction, needed only - * during ir construction. + * during ir construction. * * visited A int used as flag to traverse the ir_graph. * @@ -136,7 +141,7 @@ 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.) @@ -185,8 +190,8 @@ int is_ir_graph(const void *thing); entity *get_irg_entity (const ir_graph *irg); void set_irg_entity (ir_graph *irg, entity *ent); -type *get_irg_frame_type (ir_graph *irg); -void set_irg_frame_type (ir_graph *irg, 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); @@ -209,12 +214,6 @@ 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. */ @@ -225,6 +224,11 @@ 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. */ @@ -235,6 +239,11 @@ 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. */ @@ -269,12 +278,12 @@ 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 stadard Firm nodes are * allowed. * * To get the irgraph into phase_low all Sel nodes must be removed and @@ -282,18 +291,23 @@ 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 probally 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. @@ -316,8 +330,17 @@ 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 */ @@ -325,11 +348,14 @@ 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 @@ -403,10 +429,12 @@ 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. */ @@ -414,85 +442,19 @@ 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); -/** additional graph flags: - * Tell about special properties of a graph. Some - * of these may be discovered by analyses. +/** + * 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(). */ -typedef enum { - irg_const_function = 0x00000001, /**< This graph did not access memory and calculates - its return values solely from its parameters. - GCC: __attribute__((const)). */ - irg_pure_function = 0x00000002, /**< This graph did NOT write to memory and calculates - its return values solely form its parameters and - the memory they points to (or global vars). - GCC: __attribute__((pure)). */ - irg_noreturn_function = 0x00000004, /**< This graph did not return due to an aborting system - call. - GCC: __attribute__((noreturn)). */ - irg_nothrow_function = 0x00000008, /**< This graph cannot throw an exception. - GCC: __attribute__((nothrow)). */ - irg_naked_function = 0x00000010, /**< This graph is naked. - GCC: __attribute__((naked)). */ - irg_malloc_function = 0x00000020 /**< This graph returns newly allocate memory. - GCC: __attribute__((malloc)). */ -} irg_additional_property; - -/** Returns the mask of the additional graph properties. */ 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, irg_additional_property flag); - -/** - * calling conventions - */ -typedef enum { - irg_cc_reg_param = 0x00000001, /**< Transmit parameters in registers, else the stack is used. - This flag may be set as default on some architectures. */ - irg_cc_last_on_top = 0x00000002, /**< The last non-register parameter is transmitted on top of - the stack. This is equivalent to the stdcall or pascal - calling convention. If this flag is not set, the first - non-register parameter is used (cdecl calling convention) */ - irg_cc_callee_clear_stk = 0x00000004, /**< The callee clears the stack. This forbids variadic - function calls (stdcall). */ - irg_cc_this_call = 0x00000008 /**< The first parameter is a this pointer and is transmitted - in a special way. */ -} irg_calling_convention; - -/** Returns the calling convention of a graph. */ -unsigned get_irg_calling_convention(const ir_graph *irg); - -/** Sets the calling convention of a graph. */ -void set_irg_calling_convention(ir_graph *irg, unsigned cc_mask); - -/** Gets the default calling convention for new constructed graphs. */ -unsigned get_firm_default_calling_convention(void); - -/** Sets the default calling convention for new constructed graphs. */ -void set_firm_default_calling_convention(unsigned cc_mask); - -/** - * check for the CDECL calling convention - */ -#define IS_CDECL(cc_mask) (((cc_mask) & (irg_cc_callee_clear_stk|irg_cc_last_on_top)) == 0) - -/** - * check for the STDCALL calling convention - */ -#define IS_STDCALL(cc_mask) (((cc_mask) & (irg_cc_callee_clear_stk|irg_cc_last_on_top)) == irg_cc_callee_clear_stk) - -/** - * add the CDECL convention bits - */ -#define SET_CDECL(cc_mask) ((cc_mask) & ~(irg_cc_callee_clear_stk|irg_cc_last_on_top)) - -/** - * add the STDCALL convention bits - */ -#define SET_STDCALL(cc_mask) (((cc_mask) & ~irg_cc_last_on_top) | irg_cc_callee_clear_stk) +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); @@ -524,6 +486,14 @@ 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); + /** * Access custom graph data. * The data must have been registered with @@ -554,4 +524,4 @@ 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_ */