X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firnode_t.h;h=016e93f2e2860926624d2f5c64d2e621c1dca710;hb=74da44dca7d085718b7990fe107f00a793e917b0;hp=9730a58ee60dc16c1e845997894008aac2efdb97;hpb=b297748ddfe8317ff24c5cbac3b40375acd93ad1;p=libfirm diff --git a/ir/ir/irnode_t.h b/ir/ir/irnode_t.h index 9730a58ee..016e93f2e 100644 --- a/ir/ir/irnode_t.h +++ b/ir/ir/irnode_t.h @@ -3,7 +3,7 @@ * File name: ir/ir/irnode_t.h * Purpose: Representation of an intermediate operation -- private header. * Author: Martin Trapp, Christian Schaefer - * Modified by: Goetz Lindenmaier + * Modified by: Goetz Lindenmaier, Michael Beck * Created: * CVS-ID: $Id$ * Copyright: (c) 1998-2003 Universität Karlsruhe @@ -17,9 +17,8 @@ * * @author Martin Trapp, Christian Schaefer */ - -# ifndef _IRNODE_T_H_ -# define _IRNODE_T_H_ +#ifndef _IRNODE_T_H_ +#define _IRNODE_T_H_ #include "firm_config.h" #include "irnode.h" @@ -40,7 +39,7 @@ #include "irextbb_t.h" -/** ir node attributes **/ +/** IR node attributes **/ /** Block attributes */ typedef struct { @@ -71,73 +70,65 @@ typedef struct { } block_attr; -/** Start attributes */ -typedef struct { - char dummy; - /* ir_graph *irg; @@@ now in block */ -} start_attr; - -/** Cond attributes */ +/** 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. */ } cond_attr; -/** Const attributes */ +/** Const attributes. */ typedef struct { tarval *tv; /**< the target value */ ir_type *tp; /**< the source type, for analyses. default: type_unknown. */ } const_attr; +/** SymConst attributes. */ typedef struct { symconst_symbol sym; // old tori symconst_kind num; ir_type *tp; /**< the source type, for analyses. default: type_unknown. */ } symconst_attr; -/** Sel attributes */ +/** Sel attributes. */ typedef struct { entity *ent; /**< entity to select */ } sel_attr; -/** Exception attributes */ +/** Exception attributes. */ 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 */ +/** Call attributes. */ typedef struct { except_attr exc; /**< the exception attribute. MUST be the first one. */ ir_type *cld_tp; /**< type of called procedure */ entity ** callee_arr; /**< result of callee analysis */ } call_attr; -/** Alloc attributes */ +/** Alloc attributes. */ typedef struct { except_attr exc; /**< the exception attribute. MUST be the first one. */ ir_type *type; /**< Type of the allocated object. */ where_alloc where; /**< stack, heap or other managed part of memory */ } alloc_attr; -/** Free attributes */ +/** Free attributes. */ typedef struct { ir_type *type; /**< Type of the allocated object. */ where_alloc where; /**< stack, heap or other managed part of memory */ } free_attr; -/** InstOf attributes */ +/** InstOf attributes. */ typedef struct { except_attr exc; /**< the exception attribute. MUST be the first one. */ ir_type *type; /**< the type of which the object pointer must be */ } io_attr; -/** Filter attributes */ +/** Filter attributes. */ typedef struct { long proj; /**< contains the result position to project (Proj) */ ir_node ** in_cg; /**< array with interprocedural predecessors (Phi) */ @@ -145,29 +136,29 @@ typedef struct { @todo Ev. replace by bitfield! */ } filter_attr; -/** EndReg/EndExcept attributes */ +/** EndReg/EndExcept attributes. */ typedef struct { char dummy; } end_attr; -/** CallBegin attributes */ +/** CallBegin attributes. */ typedef struct { ir_node * call; /**< Associated Call-operation. */ } callbegin_attr; -/** Cast attributes */ +/** Cast attributes. */ typedef struct { ir_type *totype; /**< Type of the casted node. */ } cast_attr; -/** Load attributes */ +/** 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. */ } load_attr; -/** Store attributes */ +/** Store attributes. */ typedef struct { except_attr exc; /**< the exception attribute. MUST be the first one. */ ent_volatility volatility; /**< the volatility of a Store operation */ @@ -175,17 +166,22 @@ typedef struct { typedef pn_Cmp confirm_attr; /**< Attribute to hold compare operation */ -/** CopyB attribute */ +/** CopyB attribute. */ typedef struct { except_attr exc; /**< The exception attribute. MUST be the first one. */ ir_type *data_type; /**< Type of the copied entity. */ } copyb_attr; -/** Bound attribute */ +/** Bound attribute. */ typedef struct { except_attr exc; /**< The exception attribute. MUST be the first one. */ } bound_attr; +/** Conv attribute. */ +typedef struct { + char strict; /**< If set, this is a strict Conv that cannot be removed. */ +} conv_attr; + /** * Edge info to put into an irn. */ @@ -198,19 +194,18 @@ typedef struct _irn_edge_info_t { /** 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 */ - block_attr block; /**< For Block: Fields needed to construct it */ - cond_attr c; /**< For Cond. */ - const_attr con; /**< For Const: contains the value of the constant and a type */ - symconst_attr i; /**< For SymConst. */ - sel_attr s; /**< For Sel. */ - call_attr call; /**< For Call: pointer to the type of the method to call */ + 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 */ callbegin_attr callbegin; /**< For CallBegin */ - alloc_attr a; /**< For Alloc. */ - free_attr f; /**< For Free. */ - io_attr io; /**< For InstOf */ - cast_attr cast; /**< For Cast. */ - load_attr load; /**< For Load. */ + alloc_attr alloc; /**< For Alloc. */ + free_attr free; /**< For Free. */ + io_attr instof; /**< For InstOf */ + cast_attr cast; /**< For Cast. */ + load_attr load; /**< For Load. */ store_attr store; /**< For Store. */ int phi0_pos; /**< For Phi. Used to remember the value defined by this Phi node. Needed when the Phi is completed @@ -228,6 +223,7 @@ typedef union { except_attr except; /**< For Phi node construction in case of exceptions */ copyb_attr copyb; /**< For CopyB operation */ bound_attr bound; /**< For Bound operation */ + conv_attr conv; /**< For Conv operation */ } attr; @@ -238,10 +234,11 @@ struct ir_node { firm_kind kind; /**< distinguishes this node from others */ ir_op *op; /**< Opcode of this node. */ ir_mode *mode; /**< Mode of this node. */ - struct ir_node **in; /**< array with predecessors / operands */ - unsigned long visited; /**< visited counter for walks of the graph */ - unsigned node_idx; /**< the node index of this node in its graph */ - void *link; /**< to attach additional information to the node, e.g. + struct ir_node **in; /**< The array of predecessors / operands. */ + unsigned long visited; /**< Visited counter for walks of the graph. */ + unsigned node_idx; /**< The node index of this node in its graph. */ + unsigned pinned : 1; /**< A node is either pinned or not. */ + 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 shall replace a node. */ @@ -251,12 +248,12 @@ struct ir_node { /* ------- For debugging ------- */ #ifdef DEBUG_libfirm int out_valid; - long node_nr; /**< a unique node number for each node to make output - readable. */ + 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 +#ifdef DO_HEAPANALYSIS struct abstval *av; /**< the abstract value of this node */ struct section *sec; #endif @@ -340,7 +337,7 @@ ir_op_ops *firm_set_default_get_entity_attr(opcode code, ir_op_ops *ops); * Intern version for libFirm. */ static INLINE int -_is_ir_node (const void *thing) { +_is_ir_node(const void *thing) { return (get_kind(thing) == k_ir_node); } @@ -349,14 +346,14 @@ _is_ir_node (const void *thing) { * Intern version for libFirm. */ static INLINE ir_op * -_get_irn_op (const ir_node *node) { - assert (node); +_get_irn_op(const ir_node *node) { + assert(node); return node->op; } static INLINE void -_set_irn_op (ir_node *node, ir_op *op) { - assert (node); +_set_irn_op(ir_node *node, ir_op *op) { + assert(node); node->op = op; } @@ -375,9 +372,9 @@ copy_node_attr(const ir_node *old_node, ir_node *new_node) { * Intern version for libFirm. */ static INLINE opcode -_get_irn_opcode (const ir_node *node) { - assert (k_ir_node == get_kind(node)); - assert (node->op); +_get_irn_opcode(const ir_node *node) { + assert(k_ir_node == get_kind(node)); + assert(node->op); return node->op->code; } @@ -386,7 +383,7 @@ _get_irn_opcode (const ir_node *node) { * Intern version for libFirm. */ static INLINE int -_get_irn_intra_arity (const ir_node *node) { +_get_irn_intra_arity(const ir_node *node) { assert(node); return ARR_LEN(node->in) - 1; } @@ -396,7 +393,7 @@ _get_irn_intra_arity (const ir_node *node) { * Intern version for libFirm. */ static INLINE int -_get_irn_inter_arity (const ir_node *node) { +_get_irn_inter_arity(const ir_node *node) { assert(node); if (_get_irn_op(node) == op_Filter) { assert(node->attr.filter.in_cg); @@ -417,7 +414,7 @@ extern int (*_get_irn_arity)(const ir_node *node); * Intern version for libFirm. */ static INLINE ir_node * -_get_irn_intra_n (const ir_node *node, int n) { +_get_irn_intra_n(const ir_node *node, int n) { ir_node *nn; assert(node); assert(-1 <= n && n < _get_irn_intra_arity(node)); @@ -432,7 +429,7 @@ _get_irn_intra_n (const ir_node *node, int n) { * Intern version for libFirm. */ static INLINE ir_node* -_get_irn_inter_n (const ir_node *node, int n) { +_get_irn_inter_n(const ir_node *node, int n) { assert(node); assert(-1 <= n && n < _get_irn_inter_arity(node)); /* handle Filter and Block specially */ @@ -443,7 +440,7 @@ _get_irn_inter_n (const ir_node *node, int n) { return (node->attr.block.in_cg[n + 1] = skip_Id(node->attr.block.in_cg[n + 1])); } - return _get_irn_intra_n (node, n); + return _get_irn_intra_n(node, n); } /** @@ -461,9 +458,8 @@ extern ir_node *(*_get_irn_n)(const ir_node *node, int n); * Intern version for libFirm. */ static INLINE ir_mode * -_get_irn_mode (const ir_node *node) -{ - assert (node); +_get_irn_mode(const ir_node *node) { + assert(node); return node->mode; } @@ -472,9 +468,8 @@ _get_irn_mode (const ir_node *node) * Intern version of libFirm. */ static INLINE void -_set_irn_mode (ir_node *node, ir_mode *mode) -{ - assert (node); +_set_irn_mode(ir_node *node, ir_mode *mode) { + assert(node); node->mode = mode; } @@ -483,9 +478,8 @@ _set_irn_mode (ir_node *node, ir_mode *mode) * Intern version for libFirm. */ static INLINE unsigned long -_get_irn_visited (const ir_node *node) -{ - assert (node); +_get_irn_visited(const ir_node *node) { + assert(node); return node->visited; } @@ -494,9 +488,8 @@ _get_irn_visited (const ir_node *node) * Intern version for libFirm. */ static INLINE void -_set_irn_visited (ir_node *node, unsigned long visited) -{ - assert (node); +_set_irn_visited(ir_node *node, unsigned long visited) { + assert(node); node->visited = visited; } @@ -505,8 +498,8 @@ _set_irn_visited (ir_node *node, unsigned long visited) * Intern version for libFirm. */ static INLINE void -_mark_irn_visited (ir_node *node) { - assert (node); +_mark_irn_visited(ir_node *node) { + assert(node); node->visited = current_ir_graph->visited; } @@ -516,7 +509,7 @@ _mark_irn_visited (ir_node *node) { */ static INLINE int _irn_visited(const ir_node *node) { - assert (node); + assert(node); return (node->visited >= current_ir_graph->visited); } @@ -526,7 +519,7 @@ _irn_visited(const ir_node *node) { */ static INLINE int _irn_not_visited(const ir_node *node) { - assert (node); + assert(node); return (node->visited < current_ir_graph->visited); } @@ -536,7 +529,7 @@ _irn_not_visited(const ir_node *node) { */ static INLINE void _set_irn_link(ir_node *node, void *link) { - assert (node); + assert(node); /* Link field is used for Phi construction and various optimizations in iropt. */ assert(get_irg_phase_state(get_irn_irg(node)) != phase_building); @@ -550,7 +543,7 @@ _set_irn_link(ir_node *node, void *link) { */ static INLINE void * _get_irn_link(const ir_node *node) { - assert (node && _is_ir_node(node)); + assert(node && _is_ir_node(node)); return node->link; } @@ -568,14 +561,14 @@ _get_irn_pinned(const ir_node *node) { 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; + return get_opt_fragile_ops() ? (op_pin_state)node->pinned : op_pin_state_pinned; + return (op_pin_state)node->pinned; } 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); + if (_get_irg_pinned(get_irn_irg(node)) == op_pin_state_floats) + return _get_irn_pinned(node); return op_pin_state_pinned; } @@ -594,41 +587,41 @@ _is_binop(const ir_node *node) { static INLINE int _is_Bad(const ir_node *node) { assert(node); - return (node && _get_irn_op(node) == op_Bad); + return (_get_irn_op(node) == op_Bad); } static INLINE int _is_Const(const ir_node *node) { assert(node); - return (node && _get_irn_op(node) == op_Const); + return (_get_irn_op(node) == op_Const); } static INLINE int -_is_Unknown (const ir_node *node) { +_is_Unknown(const ir_node *node) { assert(node); - return (node && _get_irn_op(node) == op_Unknown); + return (_get_irn_op(node) == op_Unknown); } static INLINE int -_is_Return (const ir_node *node) { +_is_Return(const ir_node *node) { assert(node); - return (node && _get_irn_op(node) == op_Return); + return (_get_irn_op(node) == op_Return); } static INLINE int -_is_Call (const ir_node *node) { +_is_Call(const ir_node *node) { assert(node); - return (node && _get_irn_op(node) == op_Call); + return (_get_irn_op(node) == op_Call); } static INLINE int -_is_Sel (const ir_node *node) { +_is_Sel(const ir_node *node) { assert(node); - return (node && _get_irn_op(node) == op_Sel); + return (_get_irn_op(node) == op_Sel); } static INLINE int -_is_Mux (const ir_node *node) { +_is_Mux(const ir_node *node) { assert(node); if (node) { ir_op *op = _get_irn_op(node); @@ -638,21 +631,21 @@ _is_Mux (const ir_node *node) { } static INLINE int -_is_Load (const ir_node *node) { +_is_Load(const ir_node *node) { assert(node); - return (node && _get_irn_op(node) == op_Load); + return (_get_irn_op(node) == op_Load); } static INLINE int -_is_Sync (const ir_node *node) { +_is_Sync(const ir_node *node) { assert(node); - return (node && _get_irn_op(node) == op_Sync); + return (_get_irn_op(node) == op_Sync); } static INLINE int -_is_Confirm (const ir_node *node) { +_is_Confirm(const ir_node *node) { assert(node); - return (node && _get_irn_op(node) == op_Confirm); + return (_get_irn_op(node) == op_Confirm); } static INLINE int @@ -668,13 +661,13 @@ _is_Block(const ir_node *node) { } static INLINE int -_get_Block_n_cfgpreds (ir_node *node) { +_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) { +_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); @@ -700,27 +693,27 @@ _get_Block_cfgpred_block(ir_node *node, int pos) { } static INLINE unsigned long -_get_Block_block_visited (ir_node *node) { - assert (node->op == op_Block); +_get_Block_block_visited(ir_node *node) { + assert(node->op == op_Block); return node->attr.block.block_visited; } static INLINE void -_set_Block_block_visited (ir_node *node, unsigned long visit) { - assert (node->op == op_Block); +_set_Block_block_visited(ir_node *node, unsigned long visit) { + assert(node->op == op_Block); node->attr.block.block_visited = visit; } /* For this current_ir_graph must be set. */ static INLINE void -_mark_Block_block_visited (ir_node *node) { - assert (node->op == op_Block); +_mark_Block_block_visited(ir_node *node) { + assert(node->op == op_Block); node->attr.block.block_visited = get_irg_block_visited(current_ir_graph); } static INLINE int _Block_not_block_visited(ir_node *node) { - assert (node->op == op_Block); + assert(node->op == op_Block); return (node->attr.block.block_visited < get_irg_block_visited(current_ir_graph)); } @@ -733,7 +726,7 @@ _set_Block_dead(ir_node *block) { static INLINE int _is_Block_dead(const ir_node *block) { - ir_op * op = _get_irn_op(block); + ir_op *op = _get_irn_op(block); if (op == op_Bad) return 1; @@ -754,7 +747,7 @@ static INLINE cnst_classify_t _classify_Const(ir_node *node) { op = _get_irn_op(node); - if(op == op_Const) + if (op == op_Const) return classify_tarval(_get_Const_tarval(node)); else if(op == op_SymConst) return CNST_SYMCONST; @@ -782,6 +775,10 @@ static INLINE int _is_irn_constlike(const ir_node *node) { return is_op_constlike(_get_irn_op(node)); } +static INLINE int _is_irn_always_opt(const ir_node *node) { + return is_op_always_opt(_get_irn_op(node)); +} + static INLINE int _is_irn_keep(const ir_node *node) { return is_op_keep(_get_irn_op(node)); } @@ -800,12 +797,12 @@ static INLINE int _is_irn_machine_user(const ir_node *node, unsigned n) { static INLINE cond_jmp_predicate _get_Cond_jmp_pred(ir_node *node) { assert (_get_irn_op(node) == op_Cond); - return node->attr.c.pred; + return node->attr.cond.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; + node->attr.cond.pred = pred; } static INLINE int _get_Psi_n_conds(ir_node *node) { @@ -869,6 +866,7 @@ static INLINE unsigned _get_irn_idx(const ir_node *node) { #define get_irn_type_attr(node) _get_irn_type_attr(node) #define get_irn_entity_attr(node) _get_irn_entity_attr(node) #define is_irn_constlike(node) _is_irn_constlike(node) +#define is_irn_always_opt(node) _is_irn_always_opt(node) #define is_irn_keep(node) _is_irn_keep(node) #define is_irn_machine_op(node) _is_irn_machine_op(node) #define is_irn_machine_operand(node) _is_irn_machine_operand(node)