-/* 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 "irmode_t.h"
-#include "typegmod_t.h"
+#include "typegmod.h"
#include "array.h"
#include "irbackedge_t.h"
#include "irdump.h"
return 99; /* to shut up gcc */
}
-static const char *pns_name_arr [] = {
+const char *pns_name_arr [] = {
"initial_exec", "global_store",
"frame_base", "globals", "args"
};
-static const char *symconst_name_arr [] = {
+const char *symconst_name_arr [] = {
"type_tag", "size", "linkage_ptr_info"
};
/** getting some parameters from ir_nodes **/
+int
+is_ir_node (void *thing) {
+ assert(thing);
+ if (get_kind(thing) == k_ir_node)
+ return 1;
+ else
+ return 0;
+}
+
/* returns the number of predecessors without the block predecessor. */
INLINE int
get_irn_arity (const 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 *
#endif
}
-INLINE tarval *
+INLINE const_attr
get_irn_const_attr (ir_node *node)
{
assert (node->op == op_Const);
node->attr.block.in_cg = NULL;
}
+/* Start references the irg it is in. */
+INLINE ir_graph *
+get_Start_irg(ir_node *node) {
+ assert(node->op == op_Start);
+ return node->attr.start.irg;
+}
+
+INLINE void
+set_Start_irg(ir_node *node, ir_graph *irg) {
+ assert(node->op == op_Start);
+ assert(is_ir_graph(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 ... */
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 (const ir_node *node) {
assert (node->op == op_SymConst);
/* 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 */
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: ;
- }
+ }
}
} else if (get_irn_op(node) == op_EndReg ||
get_irn_op(node) == op_EndExcept) {
return node->attr.end.irg;
+ } else if (get_irn_op(node) == op_Start) {
+ return node->attr.start.irg;
} else {
assert(0 && "no irg attr");
+ return NULL;
}
}
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 !!! */
/* 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;
}
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