X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firnode_t.h;h=4076898f2e512b3df4ab3251222e76d4d27c0807;hb=8f43129dd08cded96c0d7cd1813c29c5013dc75f;hp=f5050e934a5bfe4dc0122cfb86c42b4122b188a3;hpb=5f9192537e080476ed2e0a4cae5b0f0c984d6d92;p=libfirm diff --git a/ir/ir/irnode_t.h b/ir/ir/irnode_t.h index f5050e934..4076898f2 100644 --- a/ir/ir/irnode_t.h +++ b/ir/ir/irnode_t.h @@ -48,8 +48,8 @@ typedef struct { ir_graph *irg; unsigned long block_visited; /**< for the walker that walks over all blocks. */ /* Attributes private to construction: */ - 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 */ + unsigned matured:1; /**< if set, all in-nodes of the block are fixed */ + unsigned 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. @@ -68,6 +68,8 @@ typedef struct { @@@ @todo Ev. replace by bitfield! */ ir_extblk *extblk; /**< the extended basic block this block belongs to */ + struct list_head succ_head; /**< A list head for all successor edges of a block. */ + } block_attr; /** Start attributes */ @@ -78,9 +80,9 @@ typedef struct { /** Cond attributes */ typedef struct { - cond_kind kind; /**< flavor of Cond */ - long default_proj; /**< for optimization: biggest Proj number, i.e. the one - used for default. */ + 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. */ } cond_attr; /** Const attributes */ @@ -151,29 +153,34 @@ typedef struct { /** CallBegin attributes */ typedef struct { - ir_node * call; /**< associated Call-operation */ + ir_node * call; /**< associated Call-operation */ } callbegin_attr; /** Cast attributes */ typedef struct { - type *totype; + type *totype; /**< type of the casted node */ } cast_attr; /** 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 */ + 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 */ + ent_volatility volatility; /**< the volatility of a Store operation */ } store_attr; typedef pn_Cmp confirm_attr; /**< Attribute to hold compare operation */ +typedef struct { + except_attr exc; /**< the exception attribute. MUST be the first one. */ + type *data_type; /**< type of the copied entity */ +} copyb_attr; + /** * Edge info to put into an irn. */ @@ -183,7 +190,7 @@ typedef struct _irn_edge_info_t { } irn_edge_info_t; -/** Some irnodes just have one attribute, these are stored here, +/** Some IR-nodes just have one attribute, these are stored here, some have more. Their name is 'irnodename_attr' */ typedef union { start_attr start; /**< For Start */ @@ -209,11 +216,12 @@ typedef union { int *phi_backedge; /**< For Phi after construction. Field n set to true if pred n is backedge. @todo Ev. replace by bitfield! */ - long proj; /**< For Proj: contains the result position to project */ + long proj; /**< For Proj: contains the result position to project */ confirm_attr confirm_cmp; /**< For Confirm: compare operation */ - filter_attr filter; /**< For Filter */ - end_attr end; /**< For EndReg, EndExcept */ - except_attr except; /**< For Phi node construction in case of exceptions */ + filter_attr filter; /**< For Filter */ + end_attr end; /**< For EndReg, EndExcept */ + except_attr except; /**< For Phi node construction in case of exceptions */ + copyb_attr copyb; /**< For CopyB operation */ } attr; @@ -497,19 +505,30 @@ _get_irn_link(const ir_node *node) { } /** - * Returns the pinned state of a node. + * Returns whether the node _always_ must be pinned. + * I.e., the node is not floating after global cse. + * * 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)); + /* Check opcode */ 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 op_pin_state +_is_irn_pinned_in_irg(const ir_node *node) { + if (get_irg_pinned(get_irn_irg(node)) == op_pin_state_floats) + return get_irn_pinned(node); + return op_pin_state_pinned; +} + static INLINE int _is_unop(const ir_node *node) { assert(node && _is_ir_node(node)); @@ -552,6 +571,38 @@ _is_Block(const ir_node *node) { return (_get_irn_op(node) == op_Block); } +static INLINE int +_get_Block_n_cfgpreds (ir_node *node) { + assert(_is_Block(node)); + return _get_irn_arity(node); +} + +static INLINE ir_node * +_get_Block_cfgpred (ir_node *node, int pos) { + assert(0 <= pos && pos < get_irn_arity(node)); + assert(_is_Block(node)); + return _get_irn_n(node, pos); +} + +/* Get the predecessor block. + * + * Returns the block corresponding to the predecessor pos. + * + * There are several ambiguities we resolve with this function: + * - The direct predecessor can be a Proj, which is not pinned. + * We walk from the predecessor to the next pinned node + * (skip_Proj) and return the block that node is in. + * - If we encounter the Bad node, this function does not return + * Start, but the Bad node. + */ +static INLINE ir_node * +_get_Block_cfgpred_block(ir_node *node, int pos) { + ir_node *res = skip_Proj(get_Block_cfgpred(node, pos)); + if (!is_Bad(res)) + res = get_nodes_block(res); + return res; +} + static INLINE unsigned long _get_Block_block_visited (ir_node *node) { assert (node->op == op_Block); @@ -615,10 +666,28 @@ static INLINE cnst_classify_t _classify_Const(ir_node *node) { return CNST_NO_CONST; } +static INLINE int _is_irn_forking(const ir_node *node) { + return is_op_forking(_get_irn_op(node)); +} + static INLINE type *_get_irn_type(ir_node *node) { return _get_irn_op(node)->get_type(node); } +static INLINE int _is_irn_constlike(const ir_node *node) { + return is_op_constlike(_get_irn_op(node)); +} + +static INLINE cond_jmp_predicate _get_Cond_jmp_pred(ir_node *node) { + assert (_get_irn_op(node) == op_Cond); + return node->attr.c.pred; +} + +static INLINE void _set_Cond_jmp_pred(ir_node *node, cond_jmp_predicate pred) { + assert (_get_irn_op(node) == op_Cond); + node->attr.c.pred = pred; +} + /* 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) @@ -638,6 +707,8 @@ static INLINE type *_get_irn_type(ir_node *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 get_irn_pinned(node) _get_irn_pinned(node) +#define is_irn_pinned_in_irg(node) _is_irn_pinned_in_irg(node) #define is_unop(node) _is_unop(node) #define is_binop(node) _is_binop(node) #define is_Const(node) _is_Const(node) @@ -645,6 +716,9 @@ static INLINE type *_get_irn_type(ir_node *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_n_cfgpreds(node) _get_Block_n_cfgpreds(node) +#define get_Block_cfgpred(node, pos) _get_Block_cfgpred(node, pos) +#define get_Block_cfgpred_block(node, pos) _get_Block_cfgpred_block(node, pos) #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) @@ -653,6 +727,10 @@ static INLINE type *_get_irn_type(ir_node *node) { #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 is_irn_forking(node) _is_irn_forking(node) #define get_irn_type(node) _get_irn_type(node) +#define is_irn_constlike(node) _is_irn_constlike(node) +#define get_Cond_jmp_pred(node) _get_Cond_jmp_pred(node) +#define set_Cond_jmp_pred(node, pred) _set_Cond_jmp_pred(node, pred) # endif /* _IRNODE_T_H_ */