X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firgraph.h;h=bd32f8615a4bce0b42a81f64957b421bb335059f;hb=cb91bddc9cacdab7c28e4336847bd3dc248aa549;hp=835c7fd9d2a5317c50193f377d95c85f6b6e26d1;hpb=30b120caf1fbc6fcb13c6b3bef8f7132ebff72aa;p=libfirm diff --git a/ir/ir/irgraph.h b/ir/ir/irgraph.h index 835c7fd9d..bd32f8615 100644 --- a/ir/ir/irgraph.h +++ b/ir/ir/irgraph.h @@ -24,6 +24,7 @@ # ifndef _IRGRAPH_H_ # define _IRGRAPH_H_ # include "tv.h" +# include "entity.h" /* to resolve recursion between irnode.h and irgraph.h */ #ifndef _IR_NODE_TYPEDEF_ @@ -70,8 +71,8 @@ typedef struct ir_graph ir_graph; * datastructure is used to build the Phi nodes and removed after * completion of the graph. There is no path from end to start in the * graph after calling ir_graph. - * pinned set to "pinned" if no global cse was performed on the graph. - * set to "floats" if global cse was performed (and during construction: + * op_pin_state_pinned set to "op_pin_state_pinned" if no global cse was performed on the graph. + * set to "op_pin_state_floats" if global cse was performed (and during construction: * did actually change something). Code placement is necessary. */ @@ -99,7 +100,7 @@ void set_interprocedural_view(bool state); * n_loc is the number of local variables in this procedure including * the procedure parameters. * The constructor adds the new irgraph to the list in ir_prog. - * The state of the ir graph is: phase_building, pinned, no_outs. */ + * The state of the ir graph is: phase_building, op_pin_state_pinned, outs_none. */ ir_graph *new_ir_graph (entity *ent, int n_loc); /** Frees the passed irgraph. @@ -124,10 +125,10 @@ void free_ir_graph (ir_graph *irg); */ int is_ir_graph(void *thing); -#define get_irg_entity get_irg_ent -#define set_irg_entity set_irg_ent -entity *get_irg_ent (ir_graph *irg); -void set_irg_ent (ir_graph *irg, entity *ent); +/* #define get_irg_entity get_irg_ent */ +/* #define set_irg_entity set_irg_ent */ +entity *get_irg_entity (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); @@ -204,13 +205,22 @@ long get_irg_graph_nr(ir_graph *irg); information associated with the graph. Optimizations invalidate these states. */ -/** state: phase values: phase_building, phase_high, phase_low. - The irg is in phase_building during construction of the irgraph. It is in - phase_high after construction. All nodes are allowed. To get the irgraph - into phase_low all Sel nodes must be removed and replaced by explicit - address computations. SymConst size and typetag nodes must be removed (@@@ - really?). Initialization of memory allocated by Alloc must be explicit. - @@@ More conditions? */ +/** The states of an ir graph. + * + * state phase values: phase_building, phase_high, phase_low. + * + * 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 + * allowed. + * + * To get the irgraph into phase_low all Sel nodes must be removed and + * replaced by explicit address computations. SymConst size and + * typetag nodes must be removed (@@@ really?). Initialization of + * memory allocated by Alloc must be explicit. @@@ More conditions? + * + */ typedef enum { phase_building, phase_high, @@ -220,24 +230,24 @@ typedef enum { irg_phase_state get_irg_phase_state (ir_graph *irg); void set_irg_phase_low(ir_graph *irg); -/** state: pinned - The graph is "pinned" if all nodes are associated with a basic block. - It is in state "floats" if nodes are in arbitrary blocks. In state - "floats" the block predecessor is set in all nodes, but this can be an +/** state: op_pin_state_pinned + The graph is "op_pin_state_pinned" if all nodes are associated with a basic block. + It is in state "op_pin_state_floats" if nodes are in arbitrary blocks. In state + "op_pin_state_floats" the block predecessor is set in all nodes, but this can be an invalid block, i.e., the block is not a dominator of all the uses of the node. - The enum op_pinned is defined in irop.h. */ -op_pinned get_irg_pinned (ir_graph *irg); + The enum op_pin_state is defined in irop.h. */ +op_pin_state get_irg_pinned (ir_graph *irg); /** state: outs_state Outs are the back edges or def-use edges. - Values: no_outs, outs_consistent, outs_inconsistent - no_outs: outs are not computed, no memory is allocated. + Values: outs_none, outs_consistent, outs_inconsistent + outs_none: outs are not computed, no memory is allocated. outs_consistent: outs are computed and correct, outs_inconsistent: outs have been computed, memory is still allocated, but the graph has been changed since. */ typedef enum { - no_outs, + outs_none, outs_consistent, outs_inconsistent } irg_outs_state; @@ -246,52 +256,75 @@ void set_irg_outs_inconsistent(ir_graph *irg); /** state: dom_state Signals the state of the dominator infomation. - Values: no_dom, dom_consistent, dom_inconsistent - no_dom: doms are not computed, no memory is allocated. The access routines + Values: dom_none, dom_consistent, dom_inconsistent + dom_none: doms are not computed, no memory is allocated. The access routines may not be used. dom_consistent: dominator information is computed and correct, dom_inconsistent: dominator information is computed, memory is still allocated, but the graph has been changed since. Using the access routines is possible, obtained information may be incorrect. */ typedef enum { - no_dom, + dom_none, dom_consistent, dom_inconsistent } irg_dom_state; irg_dom_state get_irg_dom_state(ir_graph *irg); void set_irg_dom_inconsistent(ir_graph *irg); -/* state: loopinfo_state +/** state: loopinfo_state Loop information describes the loops within the control and data flow of the procedure. */ typedef enum { - loopinfo_none, /**< No loop information is constructed. Default. */ - loopinfo_consistent, /**< IntRAprocedural loop information constructed and valid. */ - loopinfo_inconsistent, /**< IntRAprocedural loop information constructed and invalid. */ - loopinfo_ip_consistent, /**< IntERprocedural loop information constructed and valid. */ - loopinfo_ip_inconsistent, /**< IntERprocedural loop information constructed and invalid. */ - loopinfo_cf_consistent, /**< IntRAprocedural control loop information constructed and valid. */ - loopinfo_cf_inconsistent, /**< IntRAprocedural control loop information constructed and invalid. */ - loopinfo_cf_ip_consistent, /**< IntERprocedural control loop information constructed and valid. */ - loopinfo_cf_ip_inconsistent /**< IntERprocedural control loop information constructed and invalid. */ + loopinfo_none = 0, /**< No loop information is constructed. Default. */ + loopinfo_constructed = 1, /**< Some kind of loop information is constructed. */ + loopinfo_valid = 2, /**< Loop information is valid. */ + loopinfo_cf = 4, /**< Loop information constructed for control flow only. */ + loopinfo_inter = 8, /**< Loop information for interprocedural view. */ + + loopinfo_for_firmjni = 16, /**< A hack for firmjni: all enums must differ as they + are used in a switch. */ + + /** IntRAprocedural loop information constructed and valid. */ + loopinfo_consistent = loopinfo_constructed | loopinfo_valid, + /** IntRAprocedural loop information constructed and invalid. */ + loopinfo_inconsistent = loopinfo_constructed | loopinfo_for_firmjni, + + /** IntERprocedural loop information constructed and valid. */ + loopinfo_ip_consistent = loopinfo_constructed | loopinfo_inter | loopinfo_valid, + /** IntERprocedural loop information constructed and invalid. */ + loopinfo_ip_inconsistent = loopinfo_constructed | loopinfo_inter, + + /** IntRAprocedural control loop information constructed and valid. */ + loopinfo_cf_consistent = loopinfo_constructed | loopinfo_cf | loopinfo_valid, + /** IntRAprocedural control loop information constructed and invalid. */ + loopinfo_cf_inconsistent = loopinfo_constructed | loopinfo_cf, + + /** IntERprocedural control loop information constructed and valid. */ + loopinfo_cf_ip_consistent = loopinfo_constructed | loopinfo_cf | loopinfo_inter | loopinfo_valid, + /** IntERprocedural control loop information constructed and invalid. */ + loopinfo_cf_ip_inconsistent = loopinfo_constructed | loopinfo_cf | loopinfo_inter } irg_loopinfo_state; + irg_loopinfo_state get_irg_loopinfo_state(ir_graph *irg); void set_irg_loopinfo_state(ir_graph *irg, irg_loopinfo_state s); /* Sets the loopinformation state to the appropriate inconsistent state. If state is 'none' does not change. */ void set_irg_loopinfo_inconsistent(ir_graph *irg); - /** state: callee_information_state * Call nodes contain a list of possible callees. This list must be - * computed by an anlyses. */ + * computed by an anlysis. + * + * It's strange that this state is administered on irg basis, as the + * information must be computed for the whole program, or not? + */ typedef enum { irg_callee_info_none, irg_callee_info_consistent, irg_callee_info_inconsistent } irg_callee_info_state; irg_callee_info_state get_irg_callee_info_state(ir_graph *irg); -void set_irg_callee_info_state(ir_graph *irg, irg_callee_info_state s); +void set_irg_callee_info_state(ir_graph *irg, irg_callee_info_state s); /** property: * Tells how to handle an ir graph in inlineing.