-/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
-** All rights reserved.
-**
-** Authors: Martin Trapp, Christian Schaefer, Goetz Lindenmaier
-**
-*/
-
-/* $Id$ */
+/*
+ * Project: libFIRM
+ * File name: ir/ir/irnode.c
+ * Purpose: Representation of an intermediate operation.
+ * Author: Martin Trapp, Christian Schaefer
+ * Modified by: Goetz Lindenmaier
+ * Created:
+ * CVS-ID: $Id$
+ * Copyright: (c) 1998-2003 Universität Karlsruhe
+ * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
+ */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <string.h>
+#include "ident.h"
#include "irnode_t.h"
#include "irgraph_t.h"
-#include "ident_t.h"
#include "irmode_t.h"
-#include "typegmod_t.h"
+#include "typegmod.h"
#include "array.h"
#include "irbackedge_t.h"
#include "irdump.h"
+#include "irflag.h"
#ifdef DEBUG_libfirm
#include "irprog_t.h"
#define END_KEEPALIVE_OFFSET 0
/* Declarations for inlineing */
-INLINE ir_node ** get_irn_in (ir_node *node);
-INLINE ir_mode *get_irn_mode (ir_node *node);
-INLINE ir_op *get_irn_op (ir_node *node);
-INLINE opcode get_irn_opcode (ir_node *node);
-INLINE ident *get_irn_opident (ir_node *node);
+INLINE ir_node ** get_irn_in (const ir_node *node);
+INLINE ir_mode *get_irn_mode (const ir_node *node);
+INLINE ir_op *get_irn_op (const ir_node *node);
+INLINE opcode get_irn_opcode (const ir_node *node);
+INLINE ident *get_irn_opident (const ir_node *node);
INLINE type *get_SymConst_type (ir_node *node);
INLINE ir_node *skip_nop (ir_node *node);
-INLINE ir_node *skip_nop (ir_node *node);
-INLINE int is_Proj (ir_node *node);
+INLINE int is_Proj (const ir_node *node);
-static char *pnc_name_arr [] = {"False", "Eq", "Lt", "Le",
- "Gt", "Ge", "Lg", "Leg", "Uo",
- "Ue", "Ul", "Ule", "Ug", "Uge",
- "Ne", "True" };
+static const char *pnc_name_arr [] = {
+ "False", "Eq", "Lt", "Le",
+ "Gt", "Ge", "Lg", "Leg", "Uo",
+ "Ue", "Ul", "Ule", "Ug", "Uge",
+ "Ne", "True"
+};
-INLINE char *get_pnc_string(int pnc) {
+INLINE const char *get_pnc_string(int pnc) {
return pnc_name_arr[pnc];
}
return 99; /* to shut up gcc */
}
-static char *pns_name_arr [] = {"initial_exec", "global_store",
- "frame_base", "globals", "args"};
+const char *pns_name_arr [] = {
+ "initial_exec", "global_store",
+ "frame_base", "globals", "args"
+};
-static char *symconst_name_arr [] = {"type_tag", "size", "linkage_ptr_info"};
+const char *symconst_name_arr [] = {
+ "type_tag", "size", "linkage_ptr_info"
+};
void
init_irnode (void)
memcpy (&new->attr, &old->attr, get_op_attr_size(get_irn_op(old)));
}
-/* IR-Nodes with attributes */
+/** getting some parameters from ir_nodes **/
+
int
-ir_node_print (XP_PAR1, const xprintf_info *info ATTRIBUTE((unused)), XP_PARN)
-{
- int printed = 0;
- ir_node *np = XP_GETARG (ir_node *, 0);
+is_ir_node (void *thing) {
+ assert(thing);
+ if (get_kind(thing) == k_ir_node)
+ return 1;
+ else
+ return 0;
+}
- if (!np) {
- XPS ("<null ir_node>");
- return printed;
- }
+/* returns the number of predecessors without the block predecessor. */
+INLINE int
+get_irn_intra_arity (const ir_node *node) {
+ assert(node);
+ return ARR_LEN(node->in) - 1;
+}
- XPF1 ("%I", get_irn_opident(np));
-
- switch (get_irn_opcode (np)) { /* node label */
- case iro_Const:
- XPF1 ("%I", get_irn_mode(np)->name);
- XPS (" : ");
- XPF1 ("%v", get_irn_const_attr);
- break;
- case iro_Proj:
- if (get_irn_mode (np) == mode_b) {
- XPC (" ");
- XP (pnc_name_arr[get_irn_proj_attr(np)]);
- } else if (get_irn_opcode (get_irn_in (np)[1]) == iro_Start) {
- XPC (" ");
- XP (pns_name_arr[get_irn_proj_attr(np)]);
- } else {
- XPF1 ("%I", get_irn_mode(np)->name);
- XPC (" ");
- XPF1 ("%d", get_irn_proj_attr(np));
- }
- break;
- case iro_SymConst:
- XPF1 ("%I", get_irn_mode(np)->name);
- XPC (" ");
- XP (symconst_name_arr[get_irn_symconst_attr(np).num]);
- XPF1 (" %#N", get_type_ident(get_SymConst_type(np)));
- break;
- case iro_Start: /* don't dump mode of these */
- case iro_Cond:
- case iro_Block:
- case iro_Call:
- case iro_Jmp:
- case iro_Return:
- case iro_End:
- case iro_Break:
- case iro_EndReg:
- case iro_EndExcept:
- case iro_CallBegin:
- break;
- default:
- XPF1 ("%I", get_irn_mode(np)->name);
+/* returns the number of predecessors without the block predecessor. */
+INLINE int
+get_irn_inter_arity (const ir_node *node) {
+ assert(node);
+ if (get_irn_opcode(node) == iro_Filter) {
+ assert(node->attr.filter.in_cg);
+ return ARR_LEN(node->attr.filter.in_cg) - 1;
+ } else if (get_irn_opcode(node) == iro_Block && node->attr.block.in_cg) {
+ return ARR_LEN(node->attr.block.in_cg) - 1;
}
-
- return printed;
+ return get_irn_intra_arity(node);
}
-/** getting some parameters from ir_nodes **/
-
/* returns the number of predecessors without the block predecessor. */
INLINE int
-get_irn_arity (ir_node *node) {
+get_irn_arity (const ir_node *node) {
assert(node);
- if (interprocedural_view) { /* handle Filter and Block specially */
- if (get_irn_opcode(node) == iro_Filter) {
- assert(node->attr.filter.in_cg);
- return ARR_LEN(node->attr.filter.in_cg) - 1;
- } else if (get_irn_opcode(node) == iro_Block && node->attr.block.in_cg) {
- return ARR_LEN(node->attr.block.in_cg) - 1;
- }
- /* else fall through */
- }
- return ARR_LEN(node->in) - 1;
+ if (interprocedural_view) return get_irn_inter_arity(node);
+ return get_irn_intra_arity(node);
}
/* Returns the array with ins. This array is shifted with respect to the
lists of operands as predecessors of Block or arguments of a Call are
consecutive. */
INLINE ir_node **
-get_irn_in (ir_node *node) {
+get_irn_in (const ir_node *node) {
assert(node);
if (interprocedural_view) { /* handle Filter and Block specially */
if (get_irn_opcode(node) == iro_Filter) {
*arr = NEW_ARR_D(ir_node *, current_ir_graph->obst, arity + 1);
(*arr)[0] = block;
}
+ fix_backedges(current_ir_graph->obst, node);
memcpy((*arr) + 1, in, sizeof(ir_node *) * arity);
}
+INLINE ir_node *
+get_irn_intra_n (ir_node *node, int n) {
+ return (node->in[n + 1] = skip_nop(node->in[n + 1]));
+}
+
+INLINE ir_node*
+get_irn_inter_n (ir_node *node, int n) {
+ /* handle Filter and Block specially */
+ if (get_irn_opcode(node) == iro_Filter) {
+ assert(node->attr.filter.in_cg);
+ return (node->attr.filter.in_cg[n + 1] = skip_nop(node->attr.filter.in_cg[n + 1]));
+ } else if (get_irn_opcode(node) == iro_Block && node->attr.block.in_cg) {
+ return (node->attr.block.in_cg[n + 1] = skip_nop(node->attr.block.in_cg[n + 1]));
+ }
+
+ return get_irn_intra_n (node, n);
+}
+
/* to iterate through the predecessors without touching the array */
/* To iterate over the operands iterate from 0 to i < get_irn_arity(),
to iterate includind the Block predecessor iterate from i = -1 to
if (-1 > n || get_irn_arity(node) <= n) {
printf("pos: %d, arity: %d ", n, get_irn_arity(node));
DDMN(node);
- }
+ } /**/
assert(node); assert(-1 <= n && n < get_irn_arity(node));
- if (interprocedural_view) { /* handle Filter and Block specially */
- if (get_irn_opcode(node) == iro_Filter) {
- assert(node->attr.filter.in_cg);
- return (node->attr.filter.in_cg[n + 1] = skip_nop(node->attr.filter.in_cg[n + 1]));
- } else if (get_irn_opcode(node) == iro_Block && node->attr.block.in_cg) {
- return (node->attr.block.in_cg[n + 1] = skip_nop(node->attr.block.in_cg[n + 1]));
- }
- /* else fall through */
- }
- return (node->in[n + 1] = skip_nop(node->in[n + 1]));
+ if (interprocedural_view) return get_irn_inter_n (node, n);
+ return get_irn_intra_n (node, n);
}
+
INLINE void
set_irn_n (ir_node *node, int n, ir_node *in) {
assert(node && -1 <= n && n < get_irn_arity(node));
}
INLINE ir_mode *
-get_irn_mode (ir_node *node)
+get_irn_mode (const ir_node *node)
{
assert (node);
return node->mode;
}
+INLINE void
+set_irn_mode (ir_node *node, ir_mode *mode)
+{
+ assert (node);
+ node->mode=mode;
+ return;
+}
+
INLINE modecode
-get_irn_modecode (ir_node *node)
+get_irn_modecode (const ir_node *node)
{
assert (node);
return node->mode->code;
}
+/** Gets the string representation of the mode .*/
+INLINE const char *
+get_irn_modename (const ir_node *node)
+{
+ assert(node);
+ return get_mode_name(node->mode);
+}
INLINE ident *
-get_irn_modeident (ir_node *node)
+get_irn_modeident (const ir_node *node)
{
assert(node);
- return node->mode->name;
+ return get_mode_ident(node->mode);
}
INLINE ir_op *
-get_irn_op (ir_node *node)
+get_irn_op (const ir_node *node)
{
assert (node);
return node->op;
}
INLINE opcode
-get_irn_opcode (ir_node *node)
+get_irn_opcode (const ir_node *node)
{
assert (node);
+ assert (k_ir_node == get_kind(node));
+ assert (node -> op);
return node->op->code;
}
INLINE const char *
-get_irn_opname (ir_node *node)
+get_irn_opname (const ir_node *node)
{
assert(node);
- return id_to_str(node->op->name);
+ return get_id_str(node->op->name);
}
INLINE ident *
-get_irn_opident (ir_node *node)
+get_irn_opident (const ir_node *node)
{
assert(node);
return node->op->name;
}
INLINE unsigned long
-get_irn_visited (ir_node *node)
+get_irn_visited (const ir_node *node)
{
assert (node);
return node->visited;
}
INLINE int
-irn_not_visited (ir_node *node) {
+irn_not_visited (const ir_node *node) {
assert (node);
return (node->visited < current_ir_graph->visited);
}
INLINE int
-irn_visited (ir_node *node) {
+irn_visited (const ir_node *node) {
assert (node);
return (node->visited >= current_ir_graph->visited);
}
INLINE void
set_irn_link (ir_node *node, void *link) {
assert (node);
+ /* Link field is used for Phi construction and various optimizations
+ in iropt. */
+ assert(get_irg_phase_state(current_ir_graph) != phase_building);
+
node->link = link;
}
INLINE void *
-get_irn_link (ir_node *node) {
+get_irn_link (const ir_node *node) {
assert (node);
return node->link;
}
/* Outputs a unique number for this node */
INLINE long
-get_irn_node_nr(ir_node *node) {
+get_irn_node_nr(const ir_node *node) {
assert(node);
#ifdef DEBUG_libfirm
return node->node_nr;
#else
- return 0;
+ return (long)&node;
#endif
}
-INLINE tarval *
+INLINE const_attr
get_irn_const_attr (ir_node *node)
{
assert (node->op == op_Const);
set_irn_n(node, -1, block);
}
+/* Test whether arbitrary node is frame pointer, i.e. Proj(pn_Start_P_frame_base)
+ * from Start. If so returns frame type, else Null. */
+type *is_frame_pointer(ir_node *n) {
+ if ((get_irn_op(n) == op_Proj) &&
+ (get_Proj_proj(n) == pn_Start_P_frame_base)) {
+ ir_node *start = get_Proj_pred(n);
+ if (get_irn_op(start) == op_Start) {
+ return get_irg_frame_type(get_irn_irg(start));
+ }
+ }
+ return NULL;
+}
+
+/* Test whether arbitrary node is globals pointer, i.e. Proj(pn_Start_P_globals)
+ * from Start. If so returns global type, else Null. */
+type *is_globals_pointer(ir_node *n) {
+ if ((get_irn_op(n) == op_Proj) &&
+ (get_Proj_proj(n) == pn_Start_P_globals)) {
+ ir_node *start = get_Proj_pred(n);
+ if (get_irn_op(start) == op_Start) {
+ return get_glob_type();
+ }
+ }
+ return NULL;
+}
+
+/* Test whether arbitrary node is value arg base, i.e. Proj(pn_Start_P_value_arg_base)
+ * from Start. If so returns 1, else 0. */
+int is_value_arg_pointer(ir_node *n) {
+ if ((get_irn_op(n) == op_Proj) &&
+ (get_Proj_proj(n) == pn_Start_P_value_arg_base) &&
+ (get_irn_op(get_Proj_pred(n)) == op_Start))
+ return 1;
+ return 0;
+}
+
/* Returns an array with the predecessors of the Block. Depending on
the implementation of the graph datastructure this can be a copy of
the internal representation of predecessors as well as the internal
INLINE ir_node *
get_Block_cfgpred (ir_node *node, int pos) {
- /* debug @@@ */
assert (node->op == op_Block);
+ /* debug @@@
if (-1 > pos || get_irn_arity(node) <= pos) {
dump_ir_block_graph(current_ir_graph);
printf("pos: %d, arity: %d ", pos, get_irn_arity(node));
DDMN(node);
- }
+ } */
assert(node); assert(-1 <= pos && pos < get_irn_arity(node));
return get_irn_n(node, pos);
}
node->attr.block.graph_arr[pos+1] = value;
}
-/* handler handling for Blocks */
+/* handler handling for Blocks * /
void
set_Block_handler (ir_node *block, ir_node *handler) {
assert ((block->op == op_Block));
return (block->attr.block.handler_entry);
}
-/* handler handling for Nodes */
+/ * handler handling for Nodes * /
void
set_Node_handler (ir_node *node, ir_node *handler) {
set_Block_handler (get_nodes_Block (node), handler);
return (get_Block_handler (get_nodes_Block (node)));
}
-/* exc_t handling for Blocks */
+/ * exc_t handling for Blocks * /
void set_Block_exc (ir_node *block, exc_t exc) {
assert ((block->op == op_Block));
block->attr.block.exc = exc;
exc_t get_Block_exc (ir_node *block) {
assert ((block->op == op_Block));
-
return (block->attr.block.exc);
}
-/* exc_t handling for Nodes */
+/ * exc_t handling for Nodes * /
void set_Node_exc (ir_node *node, exc_t exc) {
set_Block_exc (get_nodes_Block (node), exc);
}
exc_t get_Node_exc (ir_node *node) {
return (get_Block_exc (get_nodes_Block (node)));
}
+*/
void set_Block_cg_cfgpred_arr(ir_node * node, int arity, ir_node ** in) {
assert(node->op == op_Block);
node->attr.block.in_cg = NEW_ARR_D(ir_node *, current_ir_graph->obst, arity + 1);
node->attr.block.in_cg[0] = NULL;
node->attr.block.cg_backedge = new_backedge_arr(current_ir_graph->obst, arity);
+ {
+ /* Fix backedge array. fix_backedges operates depending on
+ interprocedural_view. */
+ bool ipv = interprocedural_view;
+ interprocedural_view = true;
+ fix_backedges(current_ir_graph->obst, node);
+ interprocedural_view = ipv;
+ }
}
memcpy(node->attr.block.in_cg + 1, in, sizeof(ir_node *) * arity);
}
}
int get_Block_cg_n_cfgpreds(ir_node * node) {
- assert(node->op == op_Block && node->attr.block.in_cg);
- return ARR_LEN(node->attr.block.in_cg) - 1;
+ assert(node->op == op_Block);
+ return node->attr.block.in_cg == NULL ? 0 : ARR_LEN(node->attr.block.in_cg) - 1;
}
ir_node * get_Block_cg_cfgpred(ir_node * node, int pos) {
node->attr.block.in_cg = NULL;
}
+/* Start references the irg it is in. */
+INLINE ir_graph *
+get_Start_irg(ir_node *node) {
+ return get_irn_irg(node);
+}
+
+INLINE void
+set_Start_irg(ir_node *node, ir_graph *irg) {
+ assert(node->op == op_Start);
+ assert(is_ir_graph(irg));
+ assert(0 && " Why set irg? ");
+ //node->attr.start.irg = irg;
+}
+
INLINE int
get_End_n_keepalives(ir_node *end) {
assert (end->op == op_End);
INLINE void
free_End (ir_node *end) {
assert (end->op == op_End);
+ end->kind = k_BAD;
/* DEL_ARR_F(end->in); GL @@@ tut nicht ! */
end->in = NULL; /* @@@ make sure we get an error if we use the
in array afterwards ... */
}
ir_graph *get_EndReg_irg (ir_node *end) {
- assert (end->op == op_EndReg);
- return end->attr.end.irg;
+ return get_irn_irg(end);
}
ir_graph *get_EndExcept_irg (ir_node *end) {
- assert (end->op == op_EndReg);
- return end->attr.end.irg;
+ return get_irn_irg(end);
}
/*
INLINE ir_node *
get_Raise_mem (ir_node *node) {
- assert (node->op == op_Return);
+ assert (node->op == op_Raise);
return get_irn_n(node, 0);
}
INLINE tarval *get_Const_tarval (ir_node *node) {
assert (node->op == op_Const);
- return get_irn_const_attr(node);
+ return node->attr.con.tv;
}
INLINE void
set_Const_tarval (ir_node *node, tarval *con) {
assert (node->op == op_Const);
- node->attr.con = con;
+ node->attr.con.tv = con;
+}
+
+
+/* The source language type. Must be an atomic type. Mode of type must
+ be mode of node. For tarvals from entities type must be pointer to
+ entity type. */
+INLINE type *
+get_Const_type (ir_node *node) {
+ assert (node->op == op_Const);
+ return node->attr.con.tp;
}
+INLINE void
+set_Const_type (ir_node *node, type *tp) {
+ assert (node->op == op_Const);
+ if (tp != unknown_type) {
+ assert (is_atomic_type(tp));
+ assert (get_type_mode(tp) == get_irn_mode(node));
+ assert (!tarval_is_entity(get_Const_tarval(node)) ||
+ (is_pointer_type(tp) &&
+ (get_pointer_points_to_type(tp) ==
+ get_entity_type(get_tarval_entity(get_Const_tarval(node))))));
+ }
+
+ node->attr.con.tp = tp;
+}
+
+
INLINE symconst_kind
-get_SymConst_kind (ir_node *node) {
+get_SymConst_kind (const ir_node *node) {
assert (node->op == op_SymConst);
return node->attr.i.num;
}
}
INLINE void
-set_SymConst_type (ir_node *node, type *type) {
+set_SymConst_type (ir_node *node, type *tp) {
assert ( (node->op == op_SymConst)
&& ( get_SymConst_kind(node) == type_tag
|| get_SymConst_kind(node) == size));
- node->attr.i.tori.typ = type;
+ node->attr.i.tori.typ = tp;
}
INLINE ident *
/* For unary and binary arithmetic operations the access to the
operands can be factored out. Left is the first, right the
second arithmetic value as listed in tech report 0999-33.
- unops are: Minus, Abs, Not, Conv
+ unops are: Minus, Abs, Not, Conv, Cast
binops are: Add, Sub, Mul, Quot, DivMod, Div, Mod, And, Or, Eor, Shl,
Shr, Shrs, Rotate, Cmp */
}
INLINE void
-set_Call_type (ir_node *node, type *type) {
+set_Call_type (ir_node *node, type *tp) {
assert (node->op == op_Call);
- assert (is_method_type(type));
- node->attr.call.cld_tp = type;
+ assert (is_method_type(tp));
+ node->attr.call.cld_tp = tp;
+}
+
+int Call_has_callees(ir_node *node) {
+ return (node->attr.call.callee_arr != NULL);
}
int get_Call_n_callees(ir_node * node) {
set_irn_n(node, 0, ptr);
}
ir_graph * get_CallBegin_irg (ir_node *node) {
- assert(node->op == op_CallBegin);
- return node->attr.callbegin.irg;
+ return get_irn_irg(node);
}
ir_node * get_CallBegin_call (ir_node *node) {
assert(node->op == op_CallBegin);
set_irn_n(node, 0, op);
}
+INLINE ir_node *
+get_Cast_op (ir_node *node) {
+ assert (node->op == op_Cast);
+ return get_irn_n(node, 0);
+}
+INLINE void
+set_Cast_op (ir_node *node, ir_node *op) {
+ assert (node->op == op_Cast);
+ set_irn_n(node, 0, op);
+}
-int
+INLINE type *
+get_Cast_type (ir_node *node) {
+ assert (node->op == op_Cast);
+ return node->attr.cast.totype;
+}
+
+INLINE void
+set_Cast_type (ir_node *node, type *to_tp) {
+ assert (node->op == op_Cast);
+ node->attr.cast.totype = to_tp;
+}
+
+INLINE int
is_unop (ir_node *node) {
return ( node->op == op_Minus ||
node->op == op_Abs ||
node->op == op_Not ||
- node->op == op_Conv );
+ node->op == op_Conv ||
+ node->op == op_Cast );
}
INLINE ir_node *
get_unop_op (ir_node *node) {
- assert ( node->op == op_Minus ||
- node->op == op_Abs ||
- node->op == op_Not ||
- node->op == op_Conv );
+ assert (is_unop(node));
switch (get_irn_opcode (node)) {
case iro_Minus: return get_Minus_op(node); break;
case iro_Abs: return get_Abs_op(node); break;
case iro_Not: return get_Not_op(node); break;
case iro_Conv: return get_Conv_op(node); break;
+ case iro_Cast: return get_Cast_op(node); break;
default: return NULL;
}
}
INLINE void
set_unop_op (ir_node *node, ir_node *op) {
- assert (node->op == op_Minus ||
- node->op == op_Abs ||
- node->op == op_Not ||
- node->op == op_Conv );
- switch (get_irn_opcode (node)) {
+ assert (is_unop(node));
+ switch (get_irn_opcode (node)) {
case iro_Minus: set_Minus_op(node, op); break;
case iro_Abs: set_Abs_op(node, op); break;
case iro_Not: set_Not_op(node, op); break;
case iro_Conv: set_Conv_op(node, op); break;
+ case iro_Cast: set_Cast_op(node, op); break;
default: ;
- }
+ }
}
};
}
+INLINE int is_Phi (ir_node *n) {
+ assert(n);
+ return ((get_irn_op(n) == op_Phi) ||
+ (get_irn_op(n) == op_Filter && interprocedural_view));
+}
INLINE ir_node **
get_Phi_preds_arr (ir_node *node) {
INLINE int
get_Phi_n_preds (ir_node *node) {
- assert (node->op == op_Phi);
+ assert (is_Phi(node));
return (get_irn_arity(node));
}
INLINE ir_node *
get_Phi_pred (ir_node *node, int pos) {
- assert (node->op == op_Phi);
+ assert (is_Phi(node));
return get_irn_n(node, pos);
}
INLINE void
set_Phi_pred (ir_node *node, int pos, ir_node *pred) {
- assert (node->op == op_Phi);
+ assert (is_Phi(node));
set_irn_n(node, pos, pred);
}
}
INLINE void
-set_Alloc_type (ir_node *node, type *type) {
+set_Alloc_type (ir_node *node, type *tp) {
assert (node->op == op_Alloc);
- node->attr.a.type = type;
+ node->attr.a.type = tp;
}
INLINE where_alloc
}
INLINE void
-set_Free_type (ir_node *node, type *type) {
+set_Free_type (ir_node *node, type *tp) {
assert (node->op == op_Free);
- node->attr.f = type;
+ node->attr.f = tp;
}
INLINE ir_node **
set_irn_n(node, 0, pred);
}
+INLINE ir_node *get_Confirm_value (ir_node *node) {
+ assert (node->op == op_Confirm);
+ return get_irn_n(node, 0);
+}
+INLINE void set_Confirm_value (ir_node *node, ir_node *value) {
+ assert (node->op == op_Confirm);
+ set_irn_n(node, 0, value);
+}
+INLINE ir_node *get_Confirm_bound (ir_node *node) {
+ assert (node->op == op_Confirm);
+ return get_irn_n(node, 1);
+}
+INLINE void set_Confirm_bound (ir_node *node, ir_node *bound) {
+ assert (node->op == op_Confirm);
+ set_irn_n(node, 0, bound);
+}
+INLINE pn_Cmp get_Confirm_cmp (ir_node *node) {
+ assert (node->op == op_Confirm);
+ return node->attr.confirm_cmp;
+}
+INLINE void set_Confirm_cmp (ir_node *node, pn_Cmp cmp) {
+ assert (node->op == op_Confirm);
+ node->attr.confirm_cmp = cmp;
+}
+
INLINE ir_node *
get_Filter_pred (ir_node *node) {
INLINE ir_graph *
get_irn_irg(ir_node *node) {
- if (get_irn_op(node) == op_CallBegin) {
- return node->attr.callbegin.irg;
- } else if (get_irn_op(node) == op_EndReg ||
- get_irn_op(node) == op_EndExcept) {
- return node->attr.end.irg;
- } else {
- assert(0 && "no irg attr");
- }
+ if (get_irn_op(node) != op_Block)
+ node = get_nodes_block(node);
+ assert(get_irn_op(node) == op_Block);
+ return node->attr.block.irg;
}
skip_Tuple (ir_node *node) {
ir_node *pred;
+ if (!get_opt_normalize()) return node;
+
node = skip_nop(node);
if (get_irn_op(node) == op_Proj) {
pred = skip_nop(get_Proj_pred(node));
return node;
}
+/* This should compact Id-cycles to self-cycles. It has the same (or less?) complexity
+ than any other approach, as Id chains are resolved and all point to the real node, or
+ all id's are self loops. */
INLINE ir_node *
skip_nop (ir_node *node) {
/* don't assert node !!! */
- if (node && (node->op == op_Id) && (node != get_Id_pred(node))) {
- /* Don't use get_Id_pred: We get into an endless loop for
- self-referencing Ids. */
+ if (!get_opt_normalize()) return node;
+
+ /* Don't use get_Id_pred: We get into an endless loop for
+ self-referencing Ids. */
+ if (node && (node->op == op_Id) && (node != node->in[0+1])) {
+ ir_node *rem_pred = node->in[0+1];
+ ir_node *res;
+
assert (get_irn_arity (node) > 0);
- return node->in[0+1];
+
+ node->in[0+1] = node;
+ res = skip_nop(rem_pred);
+ if (res->op == op_Id) /* self-loop */ return node;
+
+ node->in[0+1] = res;
+ return res;
} else {
return node;
}
}
INLINE int
-is_Proj (ir_node *node) {
+is_Block (ir_node *node) {
+ assert(node);
+ return (get_irn_opcode(node) == iro_Block);
+}
+
+/* returns true if node is a Unknown node. */
+INLINE int
+is_Unknown (ir_node *node) {
+ assert(node);
+ return (get_irn_opcode(node) == iro_Unknown);
+}
+
+INLINE int
+is_Proj (const ir_node *node) {
assert(node);
return node->op == op_Proj
|| (!interprocedural_view && node->op == op_Filter);
/* Returns true if the operation manipulates interprocedural control flow:
CallBegin, EndReg, EndExcept */
-int is_ip_cfop(ir_node *node) {
+INLINE int is_ip_cfop(ir_node *node) {
return is_ip_cfopcode(get_irn_op(node));
}
+ir_graph *get_ip_cfop_irg(ir_node *n) {
+ return get_irn_irg(n);
+}
+
/* Returns true if the operation can change the control flow because
of an exception. */
int
projects / libfirm / blobdiff