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llvm / llvm-archive / 48649d2c83b557841c9e5c978d9ab5af13cb52e5 / . / llvm-gcc-4.0 / gcc / tree.h
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/* Front-end tree definitions for GNU compiler.
Copyright (C) 1989, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
#ifndef GCC_TREE_H
#define GCC_TREE_H
#include "machmode.h"
#include "input.h"
#include "statistics.h"
#include "vec.h"
/* Codes of tree nodes */
#define DEFTREECODE(SYM, STRING, TYPE, NARGS) SYM,
enum tree_code {
#include "tree.def"
LAST_AND_UNUSED_TREE_CODE /* A convenient way to get a value for
NUM_TREE_CODES. */
};
#undef DEFTREECODE
/* Number of language-independent tree codes. */
#define NUM_TREE_CODES ((int) LAST_AND_UNUSED_TREE_CODE)
/* Tree code classes. */
/* Each tree_code has an associated code class represented by a
TREE_CODE_CLASS. */
enum tree_code_class {
tcc_exceptional, /* An exceptional code (fits no category). */
tcc_constant, /* A constant. */
/* Order of tcc_type and tcc_declaration is important. */
tcc_type, /* A type object code. */
tcc_declaration, /* A declaration (also serving as variable refs). */
tcc_reference, /* A reference to storage. */
tcc_comparison, /* A comparison expression. */
tcc_unary, /* A unary arithmetic expression. */
tcc_binary, /* A binary arithmetic expression. */
tcc_statement, /* A statement expression, which have side effects
but usually no interesting value. */
tcc_expression /* Any other expression. */
};
/* Each tree code class has an associated string representation.
These must correspond to the tree_code_class entries. */
extern const char *const tree_code_class_strings[];
/* Returns the string representing CLASS. */
#define TREE_CODE_CLASS_STRING(CLASS)\
tree_code_class_strings[(int) (CLASS)]
#define MAX_TREE_CODES 256
extern const enum tree_code_class tree_code_type[];
#define TREE_CODE_CLASS(CODE) tree_code_type[(int) (CODE)]
/* Nonzero if CODE represents an exceptional code. */
#define EXCEPTIONAL_CLASS_P(CODE)\
(TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_exceptional)
/* Nonzero if CODE represents a constant. */
#define CONSTANT_CLASS_P(CODE)\
(TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_constant)
/* Nonzero if CODE represents a type. */
#define TYPE_P(CODE)\
(TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_type)
/* Nonzero if CODE represents a declaration. */
#define DECL_P(CODE)\
(TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_declaration)
/* APPLE LOCAL begin mainline 4.2 2006-05-09 */
/* Nonzero if DECL represents a VAR_DECL or FUNCTION_DECL. */
#define VAR_OR_FUNCTION_DECL_P(DECL)\
(TREE_CODE (DECL) == VAR_DECL || TREE_CODE (DECL) == FUNCTION_DECL)
/* APPLE LOCAL end mainline 4.2 2006-05-09 */
/* Nonzero if CODE represents a INDIRECT_REF. Keep these checks in
ascending code order. */
#define INDIRECT_REF_P(CODE)\
(TREE_CODE (CODE) == INDIRECT_REF \
|| TREE_CODE (CODE) == ALIGN_INDIRECT_REF \
|| TREE_CODE (CODE) == MISALIGNED_INDIRECT_REF)
/* Nonzero if CODE represents a reference. */
#define REFERENCE_CLASS_P(CODE)\
(TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_reference)
/* Nonzero if CODE represents a comparison. */
#define COMPARISON_CLASS_P(CODE)\
(TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_comparison)
/* Nonzero if CODE represents a unary arithmetic expression. */
#define UNARY_CLASS_P(CODE)\
(TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_unary)
/* Nonzero if CODE represents a binary arithmetic expression. */
#define BINARY_CLASS_P(CODE)\
(TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_binary)
/* Nonzero if CODE represents a statement expression. */
#define STATEMENT_CLASS_P(CODE)\
(TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_statement)
/* Nonzero if CODE represents any other expression. */
#define EXPRESSION_CLASS_P(CODE)\
(TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_expression)
/* Returns nonzero iff CLASS is not the tree code of a type. */
#define IS_NON_TYPE_CODE_CLASS(CLASS) ((CLASS) != tcc_type)
/* Returns nonzero iff CODE represents a type or declaration. */
#define IS_TYPE_OR_DECL_P(CODE)\
(TYPE_P (CODE) || DECL_P (CODE))
/* Returns nonzero iff CLASS is the tree-code class of an
expression. */
#define IS_EXPR_CODE_CLASS(CLASS)\
((CLASS) >= tcc_reference && (CLASS) <= tcc_expression)
/* Returns nonzero iff NODE is an expression of some kind. */
#define EXPR_P(NODE) IS_EXPR_CODE_CLASS (TREE_CODE_CLASS (TREE_CODE (NODE)))
/* Number of argument-words in each kind of tree-node. */
extern const unsigned char tree_code_length[];
#define TREE_CODE_LENGTH(CODE) tree_code_length[(int) (CODE)]
/* Names of tree components. */
extern const char *const tree_code_name[];
/* A garbage collected vector of trees. */
DEF_VEC_GC_P(tree);
/* Classify which part of the compiler has defined a given builtin function.
Note that we assume below that this is no more than two bits. */
enum built_in_class
{
NOT_BUILT_IN = 0,
BUILT_IN_FRONTEND,
BUILT_IN_MD,
BUILT_IN_NORMAL
};
/* Names for the above. */
extern const char *const built_in_class_names[4];
/* Codes that identify the various built in functions
so that expand_call can identify them quickly. */
#define DEF_BUILTIN(ENUM, N, C, T, LT, B, F, NA, AT, IM, COND) ENUM,
enum built_in_function
{
#include "builtins.def"
/* Complex division routines in libgcc. These are done via builtins
because emit_library_call_value can't handle complex values. */
BUILT_IN_COMPLEX_MUL_MIN,
BUILT_IN_COMPLEX_MUL_MAX
= BUILT_IN_COMPLEX_MUL_MIN
+ MAX_MODE_COMPLEX_FLOAT
- MIN_MODE_COMPLEX_FLOAT,
BUILT_IN_COMPLEX_DIV_MIN,
BUILT_IN_COMPLEX_DIV_MAX
= BUILT_IN_COMPLEX_DIV_MIN
+ MAX_MODE_COMPLEX_FLOAT
- MIN_MODE_COMPLEX_FLOAT,
/* Upper bound on non-language-specific builtins. */
END_BUILTINS
};
#undef DEF_BUILTIN
/* Names for the above. */
extern const char * built_in_names[(int) END_BUILTINS];
/* Helper macros for math builtins. */
#define BUILTIN_EXP10_P(FN) \
((FN) == BUILT_IN_EXP10 || (FN) == BUILT_IN_EXP10F || (FN) == BUILT_IN_EXP10L \
|| (FN) == BUILT_IN_POW10 || (FN) == BUILT_IN_POW10F || (FN) == BUILT_IN_POW10L)
#define BUILTIN_EXPONENT_P(FN) (BUILTIN_EXP10_P (FN) \
|| (FN) == BUILT_IN_EXP || (FN) == BUILT_IN_EXPF || (FN) == BUILT_IN_EXPL \
|| (FN) == BUILT_IN_EXP2 || (FN) == BUILT_IN_EXP2F || (FN) == BUILT_IN_EXP2L)
#define BUILTIN_SQRT_P(FN) \
((FN) == BUILT_IN_SQRT || (FN) == BUILT_IN_SQRTF || (FN) == BUILT_IN_SQRTL)
#define BUILTIN_CBRT_P(FN) \
((FN) == BUILT_IN_CBRT || (FN) == BUILT_IN_CBRTF || (FN) == BUILT_IN_CBRTL)
#define BUILTIN_ROOT_P(FN) (BUILTIN_SQRT_P (FN) || BUILTIN_CBRT_P (FN))
/* An array of _DECL trees for the above. */
extern GTY(()) tree built_in_decls[(int) END_BUILTINS];
extern GTY(()) tree implicit_built_in_decls[(int) END_BUILTINS];
/* The definition of tree nodes fills the next several pages. */
/* A tree node can represent a data type, a variable, an expression
or a statement. Each node has a TREE_CODE which says what kind of
thing it represents. Some common codes are:
INTEGER_TYPE -- represents a type of integers.
ARRAY_TYPE -- represents a type of pointer.
VAR_DECL -- represents a declared variable.
INTEGER_CST -- represents a constant integer value.
PLUS_EXPR -- represents a sum (an expression).
As for the contents of a tree node: there are some fields
that all nodes share. Each TREE_CODE has various special-purpose
fields as well. The fields of a node are never accessed directly,
always through accessor macros. */
/* Every kind of tree node starts with this structure,
so all nodes have these fields.
See the accessor macros, defined below, for documentation of the
fields. */
union tree_ann_d;
struct tree_common GTY(())
{
tree chain;
tree type;
union tree_ann_d *ann;
ENUM_BITFIELD(tree_code) code : 8;
unsigned side_effects_flag : 1;
unsigned constant_flag : 1;
unsigned addressable_flag : 1;
unsigned volatile_flag : 1;
unsigned readonly_flag : 1;
unsigned unsigned_flag : 1;
unsigned asm_written_flag: 1;
unsigned nowarning_flag : 1;
unsigned used_flag : 1;
unsigned nothrow_flag : 1;
unsigned static_flag : 1;
unsigned public_flag : 1;
unsigned private_flag : 1;
unsigned protected_flag : 1;
unsigned deprecated_flag : 1;
unsigned invariant_flag : 1;
unsigned lang_flag_0 : 1;
unsigned lang_flag_1 : 1;
unsigned lang_flag_2 : 1;
unsigned lang_flag_3 : 1;
unsigned lang_flag_4 : 1;
unsigned lang_flag_5 : 1;
unsigned lang_flag_6 : 1;
unsigned visited : 1;
/* APPLE LOCAL "unavailable" attribute (Radar 2809697) --ilr */
unsigned unavailable_flag : 1;
};
/* The following table lists the uses of each of the above flags and
for which types of nodes they are defined. Note that expressions
include decls.
addressable_flag:
TREE_ADDRESSABLE in
VAR_DECL, FUNCTION_DECL, FIELD_DECL, CONSTRUCTOR, LABEL_DECL,
..._TYPE, IDENTIFIER_NODE.
In a STMT_EXPR, it means we want the result of the enclosed
expression.
CALL_EXPR_TAILCALL in CALL_EXPR
static_flag:
TREE_STATIC in
VAR_DECL, FUNCTION_DECL, CONSTRUCTOR, ADDR_EXPR
BINFO_VIRTUAL_P in
TREE_BINFO
TREE_CONSTANT_OVERFLOW in
INTEGER_CST, REAL_CST, COMPLEX_CST, VECTOR_CST
TREE_SYMBOL_REFERENCED in
IDENTIFIER_NODE
CLEANUP_EH_ONLY in
TARGET_EXPR, WITH_CLEANUP_EXPR
ASM_INPUT_P in
ASM_EXPR
EH_FILTER_MUST_NOT_THROW in EH_FILTER_EXPR
TYPE_REF_CAN_ALIAS_ALL in
POINTER_TYPE, REFERENCE_TYPE
public_flag:
TREE_OVERFLOW in
INTEGER_CST, REAL_CST, COMPLEX_CST, VECTOR_CST
??? and other expressions?
TREE_PUBLIC in
VAR_DECL or FUNCTION_DECL or IDENTIFIER_NODE
ASM_VOLATILE_P in
ASM_EXPR
TYPE_CACHED_VALUES_P in
..._TYPE
SAVE_EXPR_RESOLVED_P in
SAVE_EXPR
private_flag:
TREE_PRIVATE in
..._DECL
CALL_EXPR_HAS_RETURN_SLOT_ADDR in
CALL_EXPR
DECL_BY_REFERENCE in
PARM_DECL, RESULT_DECL
protected_flag:
TREE_PROTECTED in
BLOCK
..._DECL
CALL_FROM_THUNK_P in
CALL_EXPR
side_effects_flag:
TREE_SIDE_EFFECTS in
all expressions
all decls
all constants
FORCED_LABEL in
LABEL_DECL
volatile_flag:
TREE_THIS_VOLATILE in
all expressions
TYPE_VOLATILE in
..._TYPE
readonly_flag:
TREE_READONLY in
all expressions
TYPE_READONLY in
..._TYPE
constant_flag:
TREE_CONSTANT in
all expressions
all decls
all constants
TYPE_SIZES_GIMPLIFIED
..._TYPE
unsigned_flag:
TYPE_UNSIGNED in
all types
DECL_UNSIGNED in
all decls
BIT_FIELD_REF_UNSIGNED in
BIT_FIELD_REF
asm_written_flag:
TREE_ASM_WRITTEN in
VAR_DECL, FUNCTION_DECL, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE
BLOCK, SSA_NAME
used_flag:
TREE_USED in
expressions, IDENTIFIER_NODE
nothrow_flag:
TREE_NOTHROW in
CALL_EXPR, FUNCTION_DECL
TYPE_ALIGN_OK in
..._TYPE
TREE_THIS_NOTRAP in
(ALIGN/MISALIGNED_)INDIRECT_REF, ARRAY_REF, ARRAY_RANGE_REF
deprecated_flag:
TREE_DEPRECATED in
..._DECL
APPLE LOCAL C* property (Radar 4436866)
CALL_EXPR
APPLE LOCAL begin "unavailable" attribute (Radar 2809697)
unavailable_flag:
TREE_UNAVAILABLE in
..._DECL
APPLE LOCAL end "unavailable" attribute (Radar 2809697)
visited:
Used in tree traversals to mark visited nodes.
invariant_flag:
TREE_INVARIANT in
all expressions.
nowarning_flag:
TREE_NO_WARNING in
... any expr or decl node
*/
/* Define accessors for the fields that all tree nodes have
(though some fields are not used for all kinds of nodes). */
/* The tree-code says what kind of node it is.
Codes are defined in tree.def. */
#define TREE_CODE(NODE) ((enum tree_code) (NODE)->common.code)
#define TREE_SET_CODE(NODE, VALUE) ((NODE)->common.code = (VALUE))
/* When checking is enabled, errors will be generated if a tree node
is accessed incorrectly. The macros abort with a fatal error. */
#if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
#define TREE_CHECK(T, CODE) __extension__ \
({ const tree __t = (T); \
if (TREE_CODE (__t) != (CODE)) \
tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
(CODE), 0); \
__t; })
#define TREE_NOT_CHECK(T, CODE) __extension__ \
({ const tree __t = (T); \
if (TREE_CODE (__t) == (CODE)) \
tree_not_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
(CODE), 0); \
__t; })
#define TREE_CHECK2(T, CODE1, CODE2) __extension__ \
({ const tree __t = (T); \
if (TREE_CODE (__t) != (CODE1) \
&& TREE_CODE (__t) != (CODE2)) \
tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
(CODE1), (CODE2), 0); \
__t; })
#define TREE_NOT_CHECK2(T, CODE1, CODE2) __extension__ \
({ const tree __t = (T); \
if (TREE_CODE (__t) == (CODE1) \
|| TREE_CODE (__t) == (CODE2)) \
tree_not_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
(CODE1), (CODE2), 0); \
__t; })
#define TREE_CHECK3(T, CODE1, CODE2, CODE3) __extension__ \
({ const tree __t = (T); \
if (TREE_CODE (__t) != (CODE1) \
&& TREE_CODE (__t) != (CODE2) \
&& TREE_CODE (__t) != (CODE3)) \
tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
(CODE1), (CODE2), (CODE3), 0); \
__t; })
#define TREE_NOT_CHECK3(T, CODE1, CODE2, CODE3) __extension__ \
({ const tree __t = (T); \
if (TREE_CODE (__t) == (CODE1) \
|| TREE_CODE (__t) == (CODE2) \
|| TREE_CODE (__t) == (CODE3)) \
tree_not_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
(CODE1), (CODE2), (CODE3), 0); \
__t; })
#define TREE_CHECK4(T, CODE1, CODE2, CODE3, CODE4) __extension__ \
({ const tree __t = (T); \
if (TREE_CODE (__t) != (CODE1) \
&& TREE_CODE (__t) != (CODE2) \
&& TREE_CODE (__t) != (CODE3) \
&& TREE_CODE (__t) != (CODE4)) \
tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
(CODE1), (CODE2), (CODE3), (CODE4), 0); \
__t; })
#define NON_TREE_CHECK4(T, CODE1, CODE2, CODE3, CODE4) __extension__ \
({ const tree __t = (T); \
if (TREE_CODE (__t) == (CODE1) \
|| TREE_CODE (__t) == (CODE2) \
|| TREE_CODE (__t) == (CODE3) \
|| TREE_CODE (__t) == (CODE4)) \
tree_not_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
(CODE1), (CODE2), (CODE3), (CODE4), 0); \
__t; })
#define TREE_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) __extension__ \
({ const tree __t = (T); \
if (TREE_CODE (__t) != (CODE1) \
&& TREE_CODE (__t) != (CODE2) \
&& TREE_CODE (__t) != (CODE3) \
&& TREE_CODE (__t) != (CODE4) \
&& TREE_CODE (__t) != (CODE5)) \
tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
(CODE1), (CODE2), (CODE3), (CODE4), (CODE5), 0);\
__t; })
#define TREE_NOT_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) __extension__ \
({ const tree __t = (T); \
if (TREE_CODE (__t) == (CODE1) \
|| TREE_CODE (__t) == (CODE2) \
|| TREE_CODE (__t) == (CODE3) \
|| TREE_CODE (__t) == (CODE4) \
|| TREE_CODE (__t) == (CODE5)) \
tree_not_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
(CODE1), (CODE2), (CODE3), (CODE4), (CODE5), 0);\
__t; })
#define TREE_CLASS_CHECK(T, CLASS) __extension__ \
({ const tree __t = (T); \
if (TREE_CODE_CLASS (TREE_CODE(__t)) != (CLASS)) \
tree_class_check_failed (__t, (CLASS), __FILE__, __LINE__, \
__FUNCTION__); \
__t; })
/* These checks have to be special cased. */
#define EXPR_CHECK(T) __extension__ \
({ const tree __t = (T); \
char const __c = TREE_CODE_CLASS (TREE_CODE (__t)); \
if (!IS_EXPR_CODE_CLASS (__c)) \
tree_class_check_failed (__t, tcc_expression, __FILE__, __LINE__, \
__FUNCTION__); \
__t; })
/* These checks have to be special cased. */
#define NON_TYPE_CHECK(T) __extension__ \
({ const tree __t = (T); \
char const __c = TREE_CODE_CLASS (TREE_CODE (__t)); \
if (!IS_NON_TYPE_CODE_CLASS (__c)) \
tree_class_check_failed (__t, tcc_type, __FILE__, __LINE__, \
__FUNCTION__); \
__t; })
#define TREE_VEC_ELT_CHECK(T, I) __extension__ \
(*({const tree __t = (T); \
const int __i = (I); \
if (TREE_CODE (__t) != TREE_VEC) \
tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
TREE_VEC, 0); \
if (__i < 0 || __i >= __t->vec.length) \
tree_vec_elt_check_failed (__i, __t->vec.length, \
__FILE__, __LINE__, __FUNCTION__); \
&__t->vec.a[__i]; }))
#define PHI_NODE_ELT_CHECK(t, i) __extension__ \
(*({const tree __t = t; \
const int __i = (i); \
if (TREE_CODE (__t) != PHI_NODE) \
tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
PHI_NODE, 0); \
if (__i < 0 || __i >= __t->phi.capacity) \
phi_node_elt_check_failed (__i, __t->phi.num_args, \
__FILE__, __LINE__, __FUNCTION__); \
&__t->phi.a[__i]; }))
/* Special checks for TREE_OPERANDs. */
#define TREE_OPERAND_CHECK(T, I) __extension__ \
(*({const tree __t = EXPR_CHECK (T); \
const int __i = (I); \
if (__i < 0 || __i >= TREE_CODE_LENGTH (TREE_CODE (__t))) \
tree_operand_check_failed (__i, TREE_CODE (__t), \
__FILE__, __LINE__, __FUNCTION__); \
&__t->exp.operands[__i]; }))
#define TREE_OPERAND_CHECK_CODE(T, CODE, I) __extension__ \
(*({const tree __t = (T); \
const int __i = (I); \
if (TREE_CODE (__t) != CODE) \
tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, (CODE), 0);\
if (__i < 0 || __i >= TREE_CODE_LENGTH (CODE)) \
tree_operand_check_failed (__i, (CODE), \
__FILE__, __LINE__, __FUNCTION__); \
&__t->exp.operands[__i]; }))
#define TREE_RTL_OPERAND_CHECK(T, CODE, I) __extension__ \
(*(rtx *) \
({const tree __t = (T); \
const int __i = (I); \
if (TREE_CODE (__t) != (CODE)) \
tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, (CODE), 0); \
if (__i < 0 || __i >= TREE_CODE_LENGTH ((CODE))) \
tree_operand_check_failed (__i, (CODE), \
__FILE__, __LINE__, __FUNCTION__); \
&__t->exp.operands[__i]; }))
extern void tree_check_failed (const tree, const char *, int, const char *,
...) ATTRIBUTE_NORETURN;
extern void tree_not_check_failed (const tree, const char *, int, const char *,
...) ATTRIBUTE_NORETURN;
extern void tree_class_check_failed (const tree, const enum tree_code_class,
const char *, int, const char *)
ATTRIBUTE_NORETURN;
extern void tree_vec_elt_check_failed (int, int, const char *,
int, const char *)
ATTRIBUTE_NORETURN;
extern void phi_node_elt_check_failed (int, int, const char *,
int, const char *)
ATTRIBUTE_NORETURN;
extern void tree_operand_check_failed (int, enum tree_code,
const char *, int, const char *)
ATTRIBUTE_NORETURN;
#else /* not ENABLE_TREE_CHECKING, or not gcc */
#define TREE_CHECK(T, CODE) (T)
#define TREE_NOT_CHECK(T, CODE) (T)
#define TREE_CHECK2(T, CODE1, CODE2) (T)
#define TREE_NOT_CHECK2(T, CODE1, CODE2) (T)
#define TREE_CHECK3(T, CODE1, CODE2, CODE3) (T)
#define TREE_NOT_CHECK3(T, CODE1, CODE2, CODE3) (T)
#define TREE_CHECK4(T, CODE1, CODE2, CODE3, CODE4) (T)
#define TREE_NOT_CHECK4(T, CODE1, CODE2, CODE3, CODE4) (T)
#define TREE_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) (T)
#define TREE_NOT_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) (T)
#define TREE_CLASS_CHECK(T, CODE) (T)
#define EXPR_CHECK(T) (T)
#define NON_TYPE_CHECK(T) (T)
#define TREE_VEC_ELT_CHECK(T, I) ((T)->vec.a[I])
#define TREE_OPERAND_CHECK(T, I) ((T)->exp.operands[I])
#define TREE_OPERAND_CHECK_CODE(T, CODE, I) ((T)->exp.operands[I])
#define TREE_RTL_OPERAND_CHECK(T, CODE, I) (*(rtx *) &((T)->exp.operands[I]))
#define PHI_NODE_ELT_CHECK(T, i) ((T)->phi.a[i])
#endif
#define TREE_BLOCK(NODE) ((NODE)->exp.block)
#include "tree-check.h"
#define TYPE_CHECK(T) TREE_CLASS_CHECK (T, tcc_type)
#define DECL_CHECK(T) TREE_CLASS_CHECK (T, tcc_declaration)
#define CST_CHECK(T) TREE_CLASS_CHECK (T, tcc_constant)
#define STMT_CHECK(T) TREE_CLASS_CHECK (T, tcc_statement)
#define FUNC_OR_METHOD_CHECK(T) TREE_CHECK2 (T, FUNCTION_TYPE, METHOD_TYPE)
#define PTR_OR_REF_CHECK(T) TREE_CHECK2 (T, POINTER_TYPE, REFERENCE_TYPE)
#define RECORD_OR_UNION_CHECK(T) \
TREE_CHECK3 (T, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE)
#define NOT_RECORD_OR_UNION_CHECK(T) \
TREE_NOT_CHECK3 (T, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE)
#define NUMERICAL_TYPE_CHECK(T) \
TREE_CHECK5 (T, INTEGER_TYPE, ENUMERAL_TYPE, BOOLEAN_TYPE, \
CHAR_TYPE, REAL_TYPE)
/* In all nodes that are expressions, this is the data type of the expression.
In POINTER_TYPE nodes, this is the type that the pointer points to.
In ARRAY_TYPE nodes, this is the type of the elements.
In VECTOR_TYPE nodes, this is the type of the elements. */
#define TREE_TYPE(NODE) ((NODE)->common.type)
/* Here is how primitive or already-canonicalized types' hash codes
are made. */
#define TYPE_HASH(TYPE) (TYPE_UID (TYPE))
/* A simple hash function for an arbitrary tree node. This must not be
used in hash tables which are saved to a PCH. */
#define TREE_HASH(NODE) ((size_t) (NODE) & 0777777)
/* Nodes are chained together for many purposes.
Types are chained together to record them for being output to the debugger
(see the function `chain_type').
Decls in the same scope are chained together to record the contents
of the scope.
Statement nodes for successive statements used to be chained together.
Often lists of things are represented by TREE_LIST nodes that
are chained together. */
#define TREE_CHAIN(NODE) ((NODE)->common.chain)
/* Given an expression as a tree, strip any NON_LVALUE_EXPRs and NOP_EXPRs
that don't change the machine mode. */
#define STRIP_NOPS(EXP) \
while ((TREE_CODE (EXP) == NOP_EXPR \
|| TREE_CODE (EXP) == CONVERT_EXPR \
|| TREE_CODE (EXP) == NON_LVALUE_EXPR) \
&& TREE_OPERAND (EXP, 0) != error_mark_node \
&& (TYPE_MODE (TREE_TYPE (EXP)) \
== TYPE_MODE (TREE_TYPE (TREE_OPERAND (EXP, 0))))) \
(EXP) = TREE_OPERAND (EXP, 0)
/* Like STRIP_NOPS, but don't let the signedness change either. */
#define STRIP_SIGN_NOPS(EXP) \
while ((TREE_CODE (EXP) == NOP_EXPR \
|| TREE_CODE (EXP) == CONVERT_EXPR \
|| TREE_CODE (EXP) == NON_LVALUE_EXPR) \
&& TREE_OPERAND (EXP, 0) != error_mark_node \
&& (TYPE_MODE (TREE_TYPE (EXP)) \
== TYPE_MODE (TREE_TYPE (TREE_OPERAND (EXP, 0)))) \
&& (TYPE_UNSIGNED (TREE_TYPE (EXP)) \
== TYPE_UNSIGNED (TREE_TYPE (TREE_OPERAND (EXP, 0))))) \
(EXP) = TREE_OPERAND (EXP, 0)
/* Like STRIP_NOPS, but don't alter the TREE_TYPE main variant either. */
#define STRIP_MAIN_TYPE_NOPS(EXP) \
while ((TREE_CODE (EXP) == NOP_EXPR \
|| TREE_CODE (EXP) == CONVERT_EXPR \
|| TREE_CODE (EXP) == NON_LVALUE_EXPR) \
&& TREE_OPERAND (EXP, 0) != error_mark_node \
&& (TYPE_MAIN_VARIANT (TREE_TYPE (EXP)) \
== TYPE_MAIN_VARIANT (TREE_TYPE (TREE_OPERAND (EXP, 0))))) \
(EXP) = TREE_OPERAND (EXP, 0)
/* Like STRIP_NOPS, but don't alter the TREE_TYPE either. */
#define STRIP_TYPE_NOPS(EXP) \
while ((TREE_CODE (EXP) == NOP_EXPR \
|| TREE_CODE (EXP) == CONVERT_EXPR \
|| TREE_CODE (EXP) == NON_LVALUE_EXPR) \
&& TREE_OPERAND (EXP, 0) != error_mark_node \
&& (TREE_TYPE (EXP) \
== TREE_TYPE (TREE_OPERAND (EXP, 0)))) \
(EXP) = TREE_OPERAND (EXP, 0)
/* Remove unnecessary type conversions according to
tree_ssa_useless_type_conversion. */
#define STRIP_USELESS_TYPE_CONVERSION(EXP) \
while (tree_ssa_useless_type_conversion (EXP)) \
EXP = TREE_OPERAND (EXP, 0)
/* Nonzero if TYPE represents an integral type. Note that we do not
include COMPLEX types here. Keep these checks in ascending code
order. */
#define INTEGRAL_TYPE_P(TYPE) \
(TREE_CODE (TYPE) == ENUMERAL_TYPE \
|| TREE_CODE (TYPE) == BOOLEAN_TYPE \
|| TREE_CODE (TYPE) == CHAR_TYPE \
|| TREE_CODE (TYPE) == INTEGER_TYPE)
/* Nonzero if TYPE represents a scalar floating-point type. */
#define SCALAR_FLOAT_TYPE_P(TYPE) (TREE_CODE (TYPE) == REAL_TYPE)
/* Nonzero if TYPE represents a complex floating-point type. */
#define COMPLEX_FLOAT_TYPE_P(TYPE) \
(TREE_CODE (TYPE) == COMPLEX_TYPE \
&& TREE_CODE (TREE_TYPE (TYPE)) == REAL_TYPE)
/* Nonzero if TYPE represents a vector floating-point type. */
#define VECTOR_FLOAT_TYPE_P(TYPE) \
(TREE_CODE (TYPE) == VECTOR_TYPE \
&& TREE_CODE (TREE_TYPE (TYPE)) == REAL_TYPE)
/* Nonzero if TYPE represents a floating-point type, including complex
and vector floating-point types. The vector and complex check does
not use the previous two macros to enable early folding. */
#define FLOAT_TYPE_P(TYPE) \
(SCALAR_FLOAT_TYPE_P (TYPE) \
|| ((TREE_CODE (TYPE) == COMPLEX_TYPE \
|| TREE_CODE (TYPE) == VECTOR_TYPE) \
&& SCALAR_FLOAT_TYPE_P (TREE_TYPE (TYPE))))
/* Nonzero if TYPE represents an aggregate (multi-component) type.
Keep these checks in ascending code order. */
#define AGGREGATE_TYPE_P(TYPE) \
(TREE_CODE (TYPE) == ARRAY_TYPE || TREE_CODE (TYPE) == RECORD_TYPE \
|| TREE_CODE (TYPE) == UNION_TYPE || TREE_CODE (TYPE) == QUAL_UNION_TYPE)
/* Nonzero if TYPE represents a pointer or reference type.
(It should be renamed to INDIRECT_TYPE_P.) Keep these checks in
ascending code order. */
#define POINTER_TYPE_P(TYPE) \
(TREE_CODE (TYPE) == POINTER_TYPE || TREE_CODE (TYPE) == REFERENCE_TYPE)
/* Nonzero if this type is a complete type. */
#define COMPLETE_TYPE_P(NODE) (TYPE_SIZE (NODE) != NULL_TREE)
/* Nonzero if this type is the (possibly qualified) void type. */
#define VOID_TYPE_P(NODE) (TREE_CODE (NODE) == VOID_TYPE)
/* Nonzero if this type is complete or is cv void. */
#define COMPLETE_OR_VOID_TYPE_P(NODE) \
(COMPLETE_TYPE_P (NODE) || VOID_TYPE_P (NODE))
/* Nonzero if this type is complete or is an array with unspecified bound. */
#define COMPLETE_OR_UNBOUND_ARRAY_TYPE_P(NODE) \
(COMPLETE_TYPE_P (TREE_CODE (NODE) == ARRAY_TYPE ? TREE_TYPE (NODE) : (NODE)))
/* Define many boolean fields that all tree nodes have. */
/* In VAR_DECL nodes, nonzero means address of this is needed.
So it cannot be in a register.
In a FUNCTION_DECL, nonzero means its address is needed.
So it must be compiled even if it is an inline function.
In a FIELD_DECL node, it means that the programmer is permitted to
construct the address of this field. This is used for aliasing
purposes: see record_component_aliases.
In CONSTRUCTOR nodes, it means object constructed must be in memory.
In LABEL_DECL nodes, it means a goto for this label has been seen
from a place outside all binding contours that restore stack levels.
In ..._TYPE nodes, it means that objects of this type must
be fully addressable. This means that pieces of this
object cannot go into register parameters, for example.
In IDENTIFIER_NODEs, this means that some extern decl for this name
had its address taken. That matters for inline functions. */
#define TREE_ADDRESSABLE(NODE) ((NODE)->common.addressable_flag)
/* Set on a CALL_EXPR if the call is in a tail position, ie. just before the
exit of a function. Calls for which this is true are candidates for tail
call optimizations. */
#define CALL_EXPR_TAILCALL(NODE) (CALL_EXPR_CHECK(NODE)->common.addressable_flag)
/* APPLE LOCAL begin C* property (Radar 4436866) */
/* Set on a CALL_EXPR if it is for call to a getter function represented by an
objective-c property declaration. */
#define CALL_EXPR_OBJC_PROPERTY_GETTER(NODE) (CALL_EXPR_CHECK(NODE)->common.deprecated_flag)
/* APPLE LOCAL end C* property (Radar 4436866) */
/* In a VAR_DECL, nonzero means allocate static storage.
In a FUNCTION_DECL, nonzero if function has been defined.
In a CONSTRUCTOR, nonzero means allocate static storage.
??? This is also used in lots of other nodes in unclear ways which
should be cleaned up some day. */
#define TREE_STATIC(NODE) ((NODE)->common.static_flag)
/* In a TARGET_EXPR, WITH_CLEANUP_EXPR, means that the pertinent cleanup
should only be executed if an exception is thrown, not on normal exit
of its scope. */
#define CLEANUP_EH_ONLY(NODE) ((NODE)->common.static_flag)
/* In an expr node (usually a conversion) this means the node was made
implicitly and should not lead to any sort of warning. In a decl node,
warnings concerning the decl should be suppressed. This is used at
least for used-before-set warnings, and it set after one warning is
emitted. */
#define TREE_NO_WARNING(NODE) ((NODE)->common.nowarning_flag)
/* In an INTEGER_CST, REAL_CST, COMPLEX_CST, or VECTOR_CST this means
there was an overflow in folding. This is distinct from
TREE_OVERFLOW because ANSI C requires a diagnostic when overflows
occur in constant expressions. */
#define TREE_CONSTANT_OVERFLOW(NODE) (CST_CHECK (NODE)->common.static_flag)
/* In an IDENTIFIER_NODE, this means that assemble_name was called with
this string as an argument. */
#define TREE_SYMBOL_REFERENCED(NODE) \
(IDENTIFIER_NODE_CHECK (NODE)->common.static_flag)
/* Nonzero in a pointer or reference type means the data pointed to
by this type can alias anything. */
#define TYPE_REF_CAN_ALIAS_ALL(NODE) \
(PTR_OR_REF_CHECK (NODE)->common.static_flag)
/* In an INTEGER_CST, REAL_CST, COMPLEX_CST, or VECTOR_CST, this means
there was an overflow in folding, and no warning has been issued
for this subexpression. TREE_OVERFLOW implies TREE_CONSTANT_OVERFLOW,
but not vice versa.
??? Apparently, lots of code assumes this is defined in all
expressions. */
#define TREE_OVERFLOW(NODE) ((NODE)->common.public_flag)
/* In a VAR_DECL or FUNCTION_DECL,
nonzero means name is to be accessible from outside this module.
In an IDENTIFIER_NODE, nonzero means an external declaration
accessible from outside this module was previously seen
for this name in an inner scope. */
#define TREE_PUBLIC(NODE) ((NODE)->common.public_flag)
/* In a _TYPE, indicates whether TYPE_CACHED_VALUES contains a vector
of cached values, or is something else. */
#define TYPE_CACHED_VALUES_P(NODE) (TYPE_CHECK(NODE)->common.public_flag)
/* In a SAVE_EXPR, indicates that the original expression has already
been substituted with a VAR_DECL that contains the value. */
#define SAVE_EXPR_RESOLVED_P(NODE) \
(TREE_CHECK (NODE, SAVE_EXPR)->common.public_flag)
/* In any expression, decl, or constant, nonzero means it has side effects or
reevaluation of the whole expression could produce a different value.
This is set if any subexpression is a function call, a side effect or a
reference to a volatile variable. In a ..._DECL, this is set only if the
declaration said `volatile'. This will never be set for a constant. */
#define TREE_SIDE_EFFECTS(NODE) \
(NON_TYPE_CHECK (NODE)->common.side_effects_flag)
/* In a LABEL_DECL, nonzero means this label had its address taken
and therefore can never be deleted and is a jump target for
computed gotos. */
#define FORCED_LABEL(NODE) ((NODE)->common.side_effects_flag)
/* Nonzero means this expression is volatile in the C sense:
its address should be of type `volatile WHATEVER *'.
In other words, the declared item is volatile qualified.
This is used in _DECL nodes and _REF nodes.
In a ..._TYPE node, means this type is volatile-qualified.
But use TYPE_VOLATILE instead of this macro when the node is a type,
because eventually we may make that a different bit.
If this bit is set in an expression, so is TREE_SIDE_EFFECTS. */
#define TREE_THIS_VOLATILE(NODE) ((NODE)->common.volatile_flag)
/* Nonzero means this node will not trap. In an INDIRECT_REF, means
accessing the memory pointed to won't generate a trap. However,
this only applies to an object when used appropriately: it doesn't
mean that writing a READONLY mem won't trap. Similarly for
ALIGN_INDIRECT_REF and MISALIGNED_INDIRECT_REF.
In ARRAY_REF and ARRAY_RANGE_REF means that we know that the index
(or slice of the array) always belongs to the range of the array.
I.e. that the access will not trap, provided that the access to
the base to the array will not trap. */
#define TREE_THIS_NOTRAP(NODE) ((NODE)->common.nothrow_flag)
/* In a VAR_DECL, PARM_DECL or FIELD_DECL, or any kind of ..._REF node,
nonzero means it may not be the lhs of an assignment. */
#define TREE_READONLY(NODE) (NON_TYPE_CHECK (NODE)->common.readonly_flag)
/* Nonzero if NODE is a _DECL with TREE_READONLY set. */
#define TREE_READONLY_DECL_P(NODE)\
(DECL_P (NODE) && TREE_READONLY (NODE))
/* Value of expression is constant. Always on in all ..._CST nodes. May
also appear in an expression or decl where the value is constant. */
#define TREE_CONSTANT(NODE) (NON_TYPE_CHECK (NODE)->common.constant_flag)
/* Nonzero if NODE, a type, has had its sizes gimplified. */
#define TYPE_SIZES_GIMPLIFIED(NODE) (TYPE_CHECK (NODE)->common.constant_flag)
/* In a decl (most significantly a FIELD_DECL), means an unsigned field. */
#define DECL_UNSIGNED(NODE) (DECL_CHECK (NODE)->common.unsigned_flag)
/* In a BIT_FIELD_REF, means the bitfield is to be interpreted as unsigned. */
#define BIT_FIELD_REF_UNSIGNED(NODE) \
(BIT_FIELD_REF_CHECK (NODE)->common.unsigned_flag)
/* In integral and pointer types, means an unsigned type. */
#define TYPE_UNSIGNED(NODE) (TYPE_CHECK (NODE)->common.unsigned_flag)
#define TYPE_TRAP_SIGNED(NODE) \
(flag_trapv && ! TYPE_UNSIGNED (NODE))
/* Nonzero in a VAR_DECL means assembler code has been written.
Nonzero in a FUNCTION_DECL means that the function has been compiled.
This is interesting in an inline function, since it might not need
to be compiled separately.
Nonzero in a RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE or ENUMERAL_TYPE
if the sdb debugging info for the type has been written.
In a BLOCK node, nonzero if reorder_blocks has already seen this block.
In an SSA_NAME node, nonzero if the SSA_NAME occurs in an abnormal
PHI node. */
#define TREE_ASM_WRITTEN(NODE) ((NODE)->common.asm_written_flag)
/* Nonzero in a _DECL if the name is used in its scope.
Nonzero in an expr node means inhibit warning if value is unused.
In IDENTIFIER_NODEs, this means that some extern decl for this name
was used.
In a BLOCK, this means that the block contains variables that are used. */
#define TREE_USED(NODE) ((NODE)->common.used_flag)
/* In a FUNCTION_DECL, nonzero means a call to the function cannot throw
an exception. In a CALL_EXPR, nonzero means the call cannot throw. */
#define TREE_NOTHROW(NODE) ((NODE)->common.nothrow_flag)
/* In a CALL_EXPR, means that the address of the return slot is part of the
argument list. */
#define CALL_EXPR_HAS_RETURN_SLOT_ADDR(NODE) ((NODE)->common.private_flag)
/* In a RESULT_DECL or PARM_DECL, means that it is passed by invisible
reference (and the TREE_TYPE is a pointer to the true type). */
#define DECL_BY_REFERENCE(NODE) (DECL_CHECK (NODE)->common.private_flag)
/* In a CALL_EXPR, means that the call is the jump from a thunk to the
thunked-to function. */
#define CALL_FROM_THUNK_P(NODE) ((NODE)->common.protected_flag)
/* In a type, nonzero means that all objects of the type are guaranteed by the
language or front-end to be properly aligned, so we can indicate that a MEM
of this type is aligned at least to the alignment of the type, even if it
doesn't appear that it is. We see this, for example, in object-oriented
languages where a tag field may show this is an object of a more-aligned
variant of the more generic type.
In an SSA_NAME node, nonzero if the SSA_NAME node is on the SSA_NAME
freelist. */
#define TYPE_ALIGN_OK(NODE) (TYPE_CHECK (NODE)->common.nothrow_flag)
/* Used in classes in C++. */
#define TREE_PRIVATE(NODE) ((NODE)->common.private_flag)
/* Used in classes in C++.
In a BLOCK node, this is BLOCK_HANDLER_BLOCK. */
#define TREE_PROTECTED(NODE) ((NODE)->common.protected_flag)
/* Nonzero in an IDENTIFIER_NODE if the use of the name is defined as a
deprecated feature by __attribute__((deprecated)). */
#define TREE_DEPRECATED(NODE) ((NODE)->common.deprecated_flag)
/* APPLE LOCAL begin "unavailable" attribute (Radar 2809697) */
/* Nonzero in a IDENTIFIER_NODE if the use of the name is defined as a
unavailable feature by __attribute__((unavailable)). */
#define TREE_UNAVAILABLE(NODE) ((NODE)->common.unavailable_flag)
/* APPLE LOCAL end "unavailable" attribute (Radar 2809697) */
/* Value of expression is function invariant. A strict subset of
TREE_CONSTANT, such an expression is constant over any one function
invocation, though not across different invocations. May appear in
any expression node. */
#define TREE_INVARIANT(NODE) ((NODE)->common.invariant_flag)
/* These flags are available for each language front end to use internally. */
#define TREE_LANG_FLAG_0(NODE) ((NODE)->common.lang_flag_0)
#define TREE_LANG_FLAG_1(NODE) ((NODE)->common.lang_flag_1)
#define TREE_LANG_FLAG_2(NODE) ((NODE)->common.lang_flag_2)
#define TREE_LANG_FLAG_3(NODE) ((NODE)->common.lang_flag_3)
#define TREE_LANG_FLAG_4(NODE) ((NODE)->common.lang_flag_4)
#define TREE_LANG_FLAG_5(NODE) ((NODE)->common.lang_flag_5)
#define TREE_LANG_FLAG_6(NODE) ((NODE)->common.lang_flag_6)
/* Define additional fields and accessors for nodes representing constants. */
/* In an INTEGER_CST node. These two together make a 2-word integer.
If the data type is signed, the value is sign-extended to 2 words
even though not all of them may really be in use.
In an unsigned constant shorter than 2 words, the extra bits are 0. */
#define TREE_INT_CST(NODE) (INTEGER_CST_CHECK (NODE)->int_cst.int_cst)
#define TREE_INT_CST_LOW(NODE) (TREE_INT_CST (NODE).low)
#define TREE_INT_CST_HIGH(NODE) (TREE_INT_CST (NODE).high)
#define INT_CST_LT(A, B) \
(TREE_INT_CST_HIGH (A) < TREE_INT_CST_HIGH (B) \
|| (TREE_INT_CST_HIGH (A) == TREE_INT_CST_HIGH (B) \
&& TREE_INT_CST_LOW (A) < TREE_INT_CST_LOW (B)))
#define INT_CST_LT_UNSIGNED(A, B) \
(((unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (A) \
< (unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (B)) \
|| (((unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (A) \
== (unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (B)) \
&& TREE_INT_CST_LOW (A) < TREE_INT_CST_LOW (B)))
struct tree_int_cst GTY(())
{
struct tree_common common;
/* A sub-struct is necessary here because the function `const_hash'
wants to scan both words as a unit and taking the address of the
sub-struct yields the properly inclusive bounded pointer. */
struct tree_int_cst_lowhi {
unsigned HOST_WIDE_INT low;
HOST_WIDE_INT high;
} int_cst;
};
/* In a REAL_CST node. struct real_value is an opaque entity, with
manipulators defined in real.h. We don't want tree.h depending on
real.h and transitively on tm.h. */
struct real_value;
#define TREE_REAL_CST_PTR(NODE) (REAL_CST_CHECK (NODE)->real_cst.real_cst_ptr)
#define TREE_REAL_CST(NODE) (*TREE_REAL_CST_PTR (NODE))
struct tree_real_cst GTY(())
{
struct tree_common common;
struct real_value * real_cst_ptr;
};
/* In a STRING_CST */
#define TREE_STRING_LENGTH(NODE) (STRING_CST_CHECK (NODE)->string.length)
#define TREE_STRING_POINTER(NODE) \
((const char *)(STRING_CST_CHECK (NODE)->string.str))
struct tree_string GTY(())
{
struct tree_common common;
int length;
char str[1];
};
/* In a COMPLEX_CST node. */
#define TREE_REALPART(NODE) (COMPLEX_CST_CHECK (NODE)->complex.real)
#define TREE_IMAGPART(NODE) (COMPLEX_CST_CHECK (NODE)->complex.imag)
struct tree_complex GTY(())
{
struct tree_common common;
tree real;
tree imag;
};
/* In a VECTOR_CST node. */
#define TREE_VECTOR_CST_ELTS(NODE) (VECTOR_CST_CHECK (NODE)->vector.elements)
struct tree_vector GTY(())
{
struct tree_common common;
tree elements;
};
#include "symtab.h"
/* Define fields and accessors for some special-purpose tree nodes. */
#define IDENTIFIER_LENGTH(NODE) \
(IDENTIFIER_NODE_CHECK (NODE)->identifier.id.len)
#define IDENTIFIER_POINTER(NODE) \
((const char *) IDENTIFIER_NODE_CHECK (NODE)->identifier.id.str)
#define IDENTIFIER_HASH_VALUE(NODE) \
(IDENTIFIER_NODE_CHECK (NODE)->identifier.id.hash_value)
/* Translate a hash table identifier pointer to a tree_identifier
pointer, and vice versa. */
#define HT_IDENT_TO_GCC_IDENT(NODE) \
((tree) ((char *) (NODE) - sizeof (struct tree_common)))
#define GCC_IDENT_TO_HT_IDENT(NODE) (&((struct tree_identifier *) (NODE))->id)
struct tree_identifier GTY(())
{
struct tree_common common;
struct ht_identifier id;
};
/* In a TREE_LIST node. */
#define TREE_PURPOSE(NODE) (TREE_LIST_CHECK (NODE)->list.purpose)
#define TREE_VALUE(NODE) (TREE_LIST_CHECK (NODE)->list.value)
struct tree_list GTY(())
{
struct tree_common common;
tree purpose;
tree value;
};
/* In a TREE_VEC node. */
#define TREE_VEC_LENGTH(NODE) (TREE_VEC_CHECK (NODE)->vec.length)
#define TREE_VEC_END(NODE) \
((void) TREE_VEC_CHECK (NODE), &((NODE)->vec.a[(NODE)->vec.length]))
#define TREE_VEC_ELT(NODE,I) TREE_VEC_ELT_CHECK (NODE, I)
struct tree_vec GTY(())
{
struct tree_common common;
int length;
tree GTY ((length ("TREE_VEC_LENGTH ((tree)&%h)"))) a[1];
};
/* Define fields and accessors for some nodes that represent expressions. */
/* Nonzero if NODE is an empty statement (NOP_EXPR <0>). */
#define IS_EMPTY_STMT(NODE) (TREE_CODE (NODE) == NOP_EXPR \
&& VOID_TYPE_P (TREE_TYPE (NODE)) \
&& integer_zerop (TREE_OPERAND (NODE, 0)))
/* In a CONSTRUCTOR node. */
#define CONSTRUCTOR_ELTS(NODE) TREE_OPERAND_CHECK_CODE (NODE, CONSTRUCTOR, 0)
/* In ordinary expression nodes. */
#define TREE_OPERAND(NODE, I) TREE_OPERAND_CHECK (NODE, I)
#define TREE_COMPLEXITY(NODE) (EXPR_CHECK (NODE)->exp.complexity)
/* In INDIRECT_REF, ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF. */
#define REF_ORIGINAL(NODE) TREE_CHAIN (TREE_CHECK3 (NODE, \
INDIRECT_REF, ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF))
/* In a LOOP_EXPR node. */
#define LOOP_EXPR_BODY(NODE) TREE_OPERAND_CHECK_CODE (NODE, LOOP_EXPR, 0)
#ifdef USE_MAPPED_LOCATION
/* The source location of this expression. Non-tree_exp nodes such as
decls and constants can be shared among multiple locations, so
return nothing. */
#define EXPR_LOCATION(NODE) \
(EXPR_P (NODE) ? (NODE)->exp.locus : UNKNOWN_LOCATION)
#define SET_EXPR_LOCATION(NODE, FROM) \
(EXPR_CHECK (NODE)->exp.locus = (FROM))
#define EXPR_HAS_LOCATION(NODE) (EXPR_LOCATION (NODE) != UNKNOWN_LOCATION)
/* EXPR_LOCUS and SET_EXPR_LOCUS are deprecated. */
#define EXPR_LOCUS(NODE) \
(EXPR_P (NODE) ? &(NODE)->exp.locus : (location_t *)NULL)
#define SET_EXPR_LOCUS(NODE, FROM) \
do { source_location *loc_tmp = FROM; \
EXPR_CHECK (NODE)->exp.locus \
= loc_tmp == NULL ? UNKNOWN_LOCATION : *loc_tmp; } while (0)
#define EXPR_FILENAME(NODE) \
LOCATION_FILE (EXPR_CHECK (NODE)->exp.locus)
#define EXPR_LINENO(NODE) \
LOCATION_LINE (EXPR_CHECK (NODE)->exp.locus)
#else
/* The source location of this expression. Non-tree_exp nodes such as
decls and constants can be shared among multiple locations, so
return nothing. */
#define EXPR_LOCUS(NODE) \
(EXPR_P (NODE) ? (NODE)->exp.locus : (location_t *)NULL)
#define SET_EXPR_LOCUS(NODE, FROM) \
(EXPR_CHECK (NODE)->exp.locus = (FROM))
#define SET_EXPR_LOCATION(NODE, FROM) annotate_with_locus (NODE, FROM)
#define EXPR_FILENAME(NODE) \
(EXPR_CHECK (NODE)->exp.locus->file)
#define EXPR_LINENO(NODE) \
(EXPR_CHECK (NODE)->exp.locus->line)
#define EXPR_HAS_LOCATION(NODE) (EXPR_LOCUS (NODE) != NULL)
#define EXPR_LOCATION(NODE) \
(EXPR_HAS_LOCATION(NODE) ? *(NODE)->exp.locus : UNKNOWN_LOCATION)
#endif
/* In a TARGET_EXPR node. */
#define TARGET_EXPR_SLOT(NODE) TREE_OPERAND_CHECK_CODE (NODE, TARGET_EXPR, 0)
#define TARGET_EXPR_INITIAL(NODE) TREE_OPERAND_CHECK_CODE (NODE, TARGET_EXPR, 1)
#define TARGET_EXPR_CLEANUP(NODE) TREE_OPERAND_CHECK_CODE (NODE, TARGET_EXPR, 2)
/* DECL_EXPR accessor. This gives access to the DECL associated with
the given declaration statement. */
#define DECL_EXPR_DECL(NODE) TREE_OPERAND (DECL_EXPR_CHECK (NODE), 0)
#define EXIT_EXPR_COND(NODE) TREE_OPERAND (EXIT_EXPR_CHECK (NODE), 0)
/* SWITCH_EXPR accessors. These give access to the condition, body and
original condition type (before any compiler conversions)
of the switch statement, respectively. */
#define SWITCH_COND(NODE) TREE_OPERAND (SWITCH_EXPR_CHECK (NODE), 0)
#define SWITCH_BODY(NODE) TREE_OPERAND (SWITCH_EXPR_CHECK (NODE), 1)
#define SWITCH_LABELS(NODE) TREE_OPERAND (SWITCH_EXPR_CHECK (NODE), 2)
/* CASE_LABEL_EXPR accessors. These give access to the high and low values
of a case label, respectively. */
#define CASE_LOW(NODE) TREE_OPERAND (CASE_LABEL_EXPR_CHECK (NODE), 0)
#define CASE_HIGH(NODE) TREE_OPERAND (CASE_LABEL_EXPR_CHECK (NODE), 1)
#define CASE_LABEL(NODE) TREE_OPERAND (CASE_LABEL_EXPR_CHECK (NODE), 2)
/* The operands of a BIND_EXPR. */
#define BIND_EXPR_VARS(NODE) (TREE_OPERAND (BIND_EXPR_CHECK (NODE), 0))
#define BIND_EXPR_BODY(NODE) (TREE_OPERAND (BIND_EXPR_CHECK (NODE), 1))
#define BIND_EXPR_BLOCK(NODE) (TREE_OPERAND (BIND_EXPR_CHECK (NODE), 2))
/* GOTO_EXPR accessor. This gives access to the label associated with
a goto statement. */
#define GOTO_DESTINATION(NODE) TREE_OPERAND ((NODE), 0)
/* ASM_EXPR accessors. ASM_STRING returns a STRING_CST for the
instruction (e.g., "mov x, y"). ASM_OUTPUTS, ASM_INPUTS, and
ASM_CLOBBERS represent the outputs, inputs, and clobbers for the
statement. */
#define ASM_STRING(NODE) TREE_OPERAND (ASM_EXPR_CHECK (NODE), 0)
#define ASM_OUTPUTS(NODE) TREE_OPERAND (ASM_EXPR_CHECK (NODE), 1)
#define ASM_INPUTS(NODE) TREE_OPERAND (ASM_EXPR_CHECK (NODE), 2)
#define ASM_CLOBBERS(NODE) TREE_OPERAND (ASM_EXPR_CHECK (NODE), 3)
/* APPLE LOCAL begin CW asm blocks */
#define ASM_USES(NODE) TREE_OPERAND (ASM_EXPR_CHECK (NODE), 4)
/* APPLE LOCAL end CW asm blocks */
/* Nonzero if we want to create an ASM_INPUT instead of an
ASM_OPERAND with no operands. */
#define ASM_INPUT_P(NODE) (TREE_STATIC (NODE))
#define ASM_VOLATILE_P(NODE) (TREE_PUBLIC (NODE))
/* COND_EXPR accessors. */
#define COND_EXPR_COND(NODE) (TREE_OPERAND (COND_EXPR_CHECK (NODE), 0))
#define COND_EXPR_THEN(NODE) (TREE_OPERAND (COND_EXPR_CHECK (NODE), 1))
#define COND_EXPR_ELSE(NODE) (TREE_OPERAND (COND_EXPR_CHECK (NODE), 2))
/* LABEL_EXPR accessor. This gives access to the label associated with
the given label expression. */
#define LABEL_EXPR_LABEL(NODE) TREE_OPERAND (LABEL_EXPR_CHECK (NODE), 0)
/* VDEF_EXPR accessors are specified in tree-flow.h, along with the other
accessors for SSA operands. */
/* CATCH_EXPR accessors. */
#define CATCH_TYPES(NODE) TREE_OPERAND (CATCH_EXPR_CHECK (NODE), 0)
#define CATCH_BODY(NODE) TREE_OPERAND (CATCH_EXPR_CHECK (NODE), 1)
/* EH_FILTER_EXPR accessors. */
#define EH_FILTER_TYPES(NODE) TREE_OPERAND (EH_FILTER_EXPR_CHECK (NODE), 0)
#define EH_FILTER_FAILURE(NODE) TREE_OPERAND (EH_FILTER_EXPR_CHECK (NODE), 1)
#define EH_FILTER_MUST_NOT_THROW(NODE) TREE_STATIC (EH_FILTER_EXPR_CHECK (NODE))
/* OBJ_TYPE_REF accessors. */
#define OBJ_TYPE_REF_EXPR(NODE) TREE_OPERAND (OBJ_TYPE_REF_CHECK (NODE), 0)
#define OBJ_TYPE_REF_OBJECT(NODE) TREE_OPERAND (OBJ_TYPE_REF_CHECK (NODE), 1)
#define OBJ_TYPE_REF_TOKEN(NODE) TREE_OPERAND (OBJ_TYPE_REF_CHECK (NODE), 2)
struct tree_exp GTY(())
{
struct tree_common common;
source_locus locus;
int complexity;
tree block;
tree GTY ((special ("tree_exp"),
desc ("TREE_CODE ((tree) &%0)")))
operands[1];
};
/* SSA_NAME accessors. */
/* Returns the variable being referenced. Once released, this is the
only field that can be relied upon. */
#define SSA_NAME_VAR(NODE) SSA_NAME_CHECK (NODE)->ssa_name.var
/* Returns the statement which defines this reference. Note that
we use the same field when chaining SSA_NAME nodes together on
the SSA_NAME freelist. */
#define SSA_NAME_DEF_STMT(NODE) SSA_NAME_CHECK (NODE)->common.chain
/* Returns the SSA version number of this SSA name. Note that in
tree SSA, version numbers are not per variable and may be recycled. */
#define SSA_NAME_VERSION(NODE) SSA_NAME_CHECK (NODE)->ssa_name.version
/* Nonzero if this SSA name occurs in an abnormal PHI. SSA_NAMES are
never output, so we can safely use the ASM_WRITTEN_FLAG for this
status bit. */
#define SSA_NAME_OCCURS_IN_ABNORMAL_PHI(NODE) \
SSA_NAME_CHECK (NODE)->common.asm_written_flag
/* Nonzero if this SSA_NAME expression is currently on the free list of
SSA_NAMES. Using NOTHROW_FLAG seems reasonably safe since throwing
has no meaning for an SSA_NAME. */
#define SSA_NAME_IN_FREE_LIST(NODE) \
SSA_NAME_CHECK (NODE)->common.nothrow_flag
/* Attributes for SSA_NAMEs for pointer-type variables. */
#define SSA_NAME_PTR_INFO(N) \
SSA_NAME_CHECK (N)->ssa_name.ptr_info
/* Get the value of this SSA_NAME, if available. */
#define SSA_NAME_VALUE(N) \
SSA_NAME_CHECK (N)->ssa_name.value_handle
/* Auxiliary pass-specific data. */
#define SSA_NAME_AUX(N) \
SSA_NAME_CHECK (N)->ssa_name.aux
#ifndef _TREE_FLOW_H
struct ptr_info_def;
#endif
struct tree_ssa_name GTY(())
{
struct tree_common common;
/* _DECL wrapped by this SSA name. */
tree var;
/* SSA version number. */
unsigned int version;
/* Pointer attributes used for alias analysis. */
struct ptr_info_def *ptr_info;
/* Value for SSA name used by various passes.
Right now only invariants are allowed to persist beyond a pass in
this field; in the future we will allow VALUE_HANDLEs to persist
as well. */
tree value_handle;
/* Auxiliary information stored with the ssa name. */
PTR GTY((skip)) aux;
};
/* In a PHI_NODE node. */
#define PHI_RESULT_TREE(NODE) PHI_NODE_CHECK (NODE)->phi.result
#define PHI_ARG_DEF_TREE(NODE, I) PHI_NODE_ELT_CHECK (NODE, I).def
/* PHI_NODEs for each basic block are chained together in a single linked
list. The head of the list is linked from the block annotation, and
the link to the next PHI is in PHI_CHAIN. */
#define PHI_CHAIN(NODE) TREE_CHAIN (PHI_NODE_CHECK (NODE))
/* Nonzero if the PHI node was rewritten by a previous pass through the
SSA renamer. */
#define PHI_REWRITTEN(NODE) PHI_NODE_CHECK (NODE)->phi.rewritten
#define PHI_NUM_ARGS(NODE) PHI_NODE_CHECK (NODE)->phi.num_args
#define PHI_ARG_CAPACITY(NODE) PHI_NODE_CHECK (NODE)->phi.capacity
#define PHI_ARG_ELT(NODE, I) PHI_NODE_ELT_CHECK (NODE, I)
#define PHI_ARG_EDGE(NODE, I) (EDGE_PRED (PHI_BB ((NODE)), (I)))
#define PHI_ARG_NONZERO(NODE, I) PHI_NODE_ELT_CHECK (NODE, I).nonzero
#define PHI_BB(NODE) PHI_NODE_CHECK (NODE)->phi.bb
#define PHI_DF(NODE) PHI_NODE_CHECK (NODE)->phi.df
struct edge_def;
struct phi_arg_d GTY(())
{
tree def;
bool nonzero;
};
struct tree_phi_node GTY(())
{
struct tree_common common;
tree result;
int num_args;
int capacity;
/* Nonzero if the PHI node was rewritten by a previous pass through the
SSA renamer. */
int rewritten;
/* Basic block to that the phi node belongs. */
struct basic_block_def *bb;
/* Dataflow information. */
struct dataflow_d *df;
struct phi_arg_d GTY ((length ("((tree)&%h)->phi.num_args"))) a[1];
};
struct varray_head_tag;
/* In a BLOCK node. */
#define BLOCK_VARS(NODE) (BLOCK_CHECK (NODE)->block.vars)
#define BLOCK_SUBBLOCKS(NODE) (BLOCK_CHECK (NODE)->block.subblocks)
#define BLOCK_SUPERCONTEXT(NODE) (BLOCK_CHECK (NODE)->block.supercontext)
/* Note: when changing this, make sure to find the places
that use chainon or nreverse. */
#define BLOCK_CHAIN(NODE) TREE_CHAIN (BLOCK_CHECK (NODE))
#define BLOCK_ABSTRACT_ORIGIN(NODE) (BLOCK_CHECK (NODE)->block.abstract_origin)
#define BLOCK_ABSTRACT(NODE) (BLOCK_CHECK (NODE)->block.abstract_flag)
/* Nonzero means that this block is prepared to handle exceptions
listed in the BLOCK_VARS slot. */
#define BLOCK_HANDLER_BLOCK(NODE) \
(BLOCK_CHECK (NODE)->block.handler_block_flag)
/* An index number for this block. These values are not guaranteed to
be unique across functions -- whether or not they are depends on
the debugging output format in use. */
#define BLOCK_NUMBER(NODE) (BLOCK_CHECK (NODE)->block.block_num)
/* If block reordering splits a lexical block into discontiguous
address ranges, we'll make a copy of the original block.
Note that this is logically distinct from BLOCK_ABSTRACT_ORIGIN.
In that case, we have one source block that has been replicated
(through inlining or unrolling) into many logical blocks, and that
these logical blocks have different physical variables in them.
In this case, we have one logical block split into several
non-contiguous address ranges. Most debug formats can't actually
represent this idea directly, so we fake it by creating multiple
logical blocks with the same variables in them. However, for those
that do support non-contiguous regions, these allow the original
logical block to be reconstructed, along with the set of address
ranges.
One of the logical block fragments is arbitrarily chosen to be
the ORIGIN. The other fragments will point to the origin via
BLOCK_FRAGMENT_ORIGIN; the origin itself will have this pointer
be null. The list of fragments will be chained through
BLOCK_FRAGMENT_CHAIN from the origin. */
#define BLOCK_FRAGMENT_ORIGIN(NODE) (BLOCK_CHECK (NODE)->block.fragment_origin)
#define BLOCK_FRAGMENT_CHAIN(NODE) (BLOCK_CHECK (NODE)->block.fragment_chain)
struct tree_block GTY(())
{
struct tree_common common;
unsigned handler_block_flag : 1;
unsigned abstract_flag : 1;
unsigned block_num : 30;
tree vars;
tree subblocks;
tree supercontext;
tree abstract_origin;
tree fragment_origin;
tree fragment_chain;
};
/* Define fields and accessors for nodes representing data types. */
/* See tree.def for documentation of the use of these fields.
Look at the documentation of the various ..._TYPE tree codes.
Note that the type.values, type.minval, and type.maxval fields are
overloaded and used for different macros in different kinds of types.
Each macro must check to ensure the tree node is of the proper kind of
type. Note also that some of the front-ends also overload these fields,
so they must be checked as well. */
#define TYPE_UID(NODE) (TYPE_CHECK (NODE)->type.uid)
#define TYPE_SIZE(NODE) (TYPE_CHECK (NODE)->type.size)
#define TYPE_SIZE_UNIT(NODE) (TYPE_CHECK (NODE)->type.size_unit)
#define TYPE_MODE(NODE) (TYPE_CHECK (NODE)->type.mode)
#define TYPE_VALUES(NODE) (ENUMERAL_TYPE_CHECK (NODE)->type.values)
#define TYPE_DOMAIN(NODE) (ARRAY_TYPE_CHECK (NODE)->type.values)
#define TYPE_FIELDS(NODE) (RECORD_OR_UNION_CHECK (NODE)->type.values)
#define TYPE_CACHED_VALUES(NODE) (TYPE_CHECK(NODE)->type.values)
#define TYPE_ORIG_SIZE_TYPE(NODE) \
(INTEGER_TYPE_CHECK (NODE)->type.values \
? TREE_TYPE ((NODE)->type.values) : NULL_TREE)
#define TYPE_METHODS(NODE) (RECORD_OR_UNION_CHECK (NODE)->type.maxval)
#define TYPE_VFIELD(NODE) (RECORD_OR_UNION_CHECK (NODE)->type.minval)
#define TYPE_ARG_TYPES(NODE) (FUNC_OR_METHOD_CHECK (NODE)->type.values)
#define TYPE_METHOD_BASETYPE(NODE) (FUNC_OR_METHOD_CHECK (NODE)->type.maxval)
#define TYPE_OFFSET_BASETYPE(NODE) (OFFSET_TYPE_CHECK (NODE)->type.maxval)
#define TYPE_POINTER_TO(NODE) (TYPE_CHECK (NODE)->type.pointer_to)
#define TYPE_REFERENCE_TO(NODE) (TYPE_CHECK (NODE)->type.reference_to)
#define TYPE_NEXT_PTR_TO(NODE) (POINTER_TYPE_CHECK (NODE)->type.minval)
#define TYPE_NEXT_REF_TO(NODE) (REFERENCE_TYPE_CHECK (NODE)->type.minval)
#define TYPE_MIN_VALUE(NODE) (NUMERICAL_TYPE_CHECK (NODE)->type.minval)
#define TYPE_MAX_VALUE(NODE) (NUMERICAL_TYPE_CHECK (NODE)->type.maxval)
#define TYPE_PRECISION(NODE) (TYPE_CHECK (NODE)->type.precision)
#define TYPE_SYMTAB_ADDRESS(NODE) (TYPE_CHECK (NODE)->type.symtab.address)
#define TYPE_SYMTAB_POINTER(NODE) (TYPE_CHECK (NODE)->type.symtab.pointer)
#define TYPE_SYMTAB_DIE(NODE) (TYPE_CHECK (NODE)->type.symtab.die)
#define TYPE_NAME(NODE) (TYPE_CHECK (NODE)->type.name)
#define TYPE_NEXT_VARIANT(NODE) (TYPE_CHECK (NODE)->type.next_variant)
#define TYPE_MAIN_VARIANT(NODE) (TYPE_CHECK (NODE)->type.main_variant)
#define TYPE_CONTEXT(NODE) (TYPE_CHECK (NODE)->type.context)
#define TYPE_LANG_SPECIFIC(NODE) (TYPE_CHECK (NODE)->type.lang_specific)
/* For a VECTOR_TYPE node, this describes a different type which is emitted
in the debugging output. We use this to describe a vector as a
structure containing an array. */
#define TYPE_DEBUG_REPRESENTATION_TYPE(NODE) (VECTOR_TYPE_CHECK (NODE)->type.values)
/* For record and union types, information about this type, as a base type
for itself. */
#define TYPE_BINFO(NODE) (RECORD_OR_UNION_CHECK(NODE)->type.binfo)
/* For non record and union types, used in a language-dependent way. */
#define TYPE_LANG_SLOT_1(NODE) (NOT_RECORD_OR_UNION_CHECK(NODE)->type.binfo)
/* The (language-specific) typed-based alias set for this type.
Objects whose TYPE_ALIAS_SETs are different cannot alias each
other. If the TYPE_ALIAS_SET is -1, no alias set has yet been
assigned to this type. If the TYPE_ALIAS_SET is 0, objects of this
type can alias objects of any type. */
#define TYPE_ALIAS_SET(NODE) (TYPE_CHECK (NODE)->type.alias_set)
/* Nonzero iff the typed-based alias set for this type has been
calculated. */
#define TYPE_ALIAS_SET_KNOWN_P(NODE) (TYPE_CHECK (NODE)->type.alias_set != -1)
/* A TREE_LIST of IDENTIFIER nodes of the attributes that apply
to this type. */
#define TYPE_ATTRIBUTES(NODE) (TYPE_CHECK (NODE)->type.attributes)
/* The alignment necessary for objects of this type.
The value is an int, measured in bits. */
#define TYPE_ALIGN(NODE) (TYPE_CHECK (NODE)->type.align)
/* 1 if the alignment for this type was requested by "aligned" attribute,
0 if it is the default for this type. */
#define TYPE_USER_ALIGN(NODE) (TYPE_CHECK (NODE)->type.user_align)
/* The alignment for NODE, in bytes. */
#define TYPE_ALIGN_UNIT(NODE) (TYPE_ALIGN (NODE) / BITS_PER_UNIT)
/* If your language allows you to declare types, and you want debug info
for them, then you need to generate corresponding TYPE_DECL nodes.
These "stub" TYPE_DECL nodes have no name, and simply point at the
type node. You then set the TYPE_STUB_DECL field of the type node
to point back at the TYPE_DECL node. This allows the debug routines
to know that the two nodes represent the same type, so that we only
get one debug info record for them. */
#define TYPE_STUB_DECL(NODE) TREE_CHAIN (NODE)
/* In a RECORD_TYPE, UNION_TYPE or QUAL_UNION_TYPE, it means the type
has BLKmode only because it lacks the alignment requirement for
its size. */
#define TYPE_NO_FORCE_BLK(NODE) (TYPE_CHECK (NODE)->type.no_force_blk_flag)
/* In an INTEGER_TYPE, it means the type represents a size. We use
this both for validity checking and to permit optimizations that
are unsafe for other types. Note that the C `size_t' type should
*not* have this flag set. The `size_t' type is simply a typedef
for an ordinary integer type that happens to be the type of an
expression returned by `sizeof'; `size_t' has no special
properties. Expressions whose type have TYPE_IS_SIZETYPE set are
always actual sizes. */
#define TYPE_IS_SIZETYPE(NODE) \
(INTEGER_TYPE_CHECK (NODE)->type.no_force_blk_flag)
/* In a FUNCTION_TYPE, indicates that the function returns with the stack
pointer depressed. */
#define TYPE_RETURNS_STACK_DEPRESSED(NODE) \
(FUNCTION_TYPE_CHECK (NODE)->type.no_force_blk_flag)
/* Nonzero in a type considered volatile as a whole. */
#define TYPE_VOLATILE(NODE) (TYPE_CHECK (NODE)->common.volatile_flag)
/* Means this type is const-qualified. */
#define TYPE_READONLY(NODE) (TYPE_CHECK (NODE)->common.readonly_flag)
/* If nonzero, this type is `restrict'-qualified, in the C sense of
the term. */
#define TYPE_RESTRICT(NODE) (TYPE_CHECK (NODE)->type.restrict_flag)
/* There is a TYPE_QUAL value for each type qualifier. They can be
combined by bitwise-or to form the complete set of qualifiers for a
type. */
#define TYPE_UNQUALIFIED 0x0
#define TYPE_QUAL_CONST 0x1
#define TYPE_QUAL_VOLATILE 0x2
#define TYPE_QUAL_RESTRICT 0x4
/* The set of type qualifiers for this type. */
#define TYPE_QUALS(NODE) \
((TYPE_READONLY (NODE) * TYPE_QUAL_CONST) \
| (TYPE_VOLATILE (NODE) * TYPE_QUAL_VOLATILE) \
| (TYPE_RESTRICT (NODE) * TYPE_QUAL_RESTRICT))
/* These flags are available for each language front end to use internally. */
#define TYPE_LANG_FLAG_0(NODE) (TYPE_CHECK (NODE)->type.lang_flag_0)
#define TYPE_LANG_FLAG_1(NODE) (TYPE_CHECK (NODE)->type.lang_flag_1)
#define TYPE_LANG_FLAG_2(NODE) (TYPE_CHECK (NODE)->type.lang_flag_2)
#define TYPE_LANG_FLAG_3(NODE) (TYPE_CHECK (NODE)->type.lang_flag_3)
#define TYPE_LANG_FLAG_4(NODE) (TYPE_CHECK (NODE)->type.lang_flag_4)
#define TYPE_LANG_FLAG_5(NODE) (TYPE_CHECK (NODE)->type.lang_flag_5)
#define TYPE_LANG_FLAG_6(NODE) (TYPE_CHECK (NODE)->type.lang_flag_6)
/* Used to keep track of visited nodes in tree traversals. This is set to
0 by copy_node and make_node. */
#define TREE_VISITED(NODE) ((NODE)->common.visited)
/* If set in an ARRAY_TYPE, indicates a string type (for languages
that distinguish string from array of char).
If set in a SET_TYPE, indicates a bitstring type. */
#define TYPE_STRING_FLAG(NODE) (TYPE_CHECK (NODE)->type.string_flag)
/* If non-NULL, this is an upper bound of the size (in bytes) of an
object of the given ARRAY_TYPE. This allows temporaries to be
allocated. */
#define TYPE_ARRAY_MAX_SIZE(ARRAY_TYPE) \
(ARRAY_TYPE_CHECK (ARRAY_TYPE)->type.maxval)
/* For a VECTOR_TYPE, this is the number of sub-parts of the vector. */
#define TYPE_VECTOR_SUBPARTS(VECTOR_TYPE) \
(VECTOR_TYPE_CHECK (VECTOR_TYPE)->type.precision)
/* Indicates that objects of this type must be initialized by calling a
function when they are created. */
#define TYPE_NEEDS_CONSTRUCTING(NODE) \
(TYPE_CHECK (NODE)->type.needs_constructing_flag)
/* Indicates that objects of this type (a UNION_TYPE), should be passed
the same way that the first union alternative would be passed. */
#define TYPE_TRANSPARENT_UNION(NODE) \
(UNION_TYPE_CHECK (NODE)->type.transparent_union_flag)
/* For an ARRAY_TYPE, indicates that it is not permitted to
take the address of a component of the type. */
#define TYPE_NONALIASED_COMPONENT(NODE) \
(ARRAY_TYPE_CHECK (NODE)->type.transparent_union_flag)
/* Indicated that objects of this type should be laid out in as
compact a way as possible. */
#define TYPE_PACKED(NODE) (TYPE_CHECK (NODE)->type.packed_flag)
/* Used by type_contains_placeholder_p to avoid recomputation.
Values are: 0 (unknown), 1 (false), 2 (true). Never access
this field directly. */
#define TYPE_CONTAINS_PLACEHOLDER_INTERNAL(NODE) \
(TYPE_CHECK (NODE)->type.contains_placeholder_bits)
struct die_struct;
struct tree_type GTY(())
{
struct tree_common common;
tree values;
tree size;
tree size_unit;
tree attributes;
unsigned int uid;
unsigned int precision : 9;
ENUM_BITFIELD(machine_mode) mode : 7;
unsigned string_flag : 1;
unsigned no_force_blk_flag : 1;
unsigned needs_constructing_flag : 1;
unsigned transparent_union_flag : 1;
unsigned packed_flag : 1;
unsigned restrict_flag : 1;
unsigned contains_placeholder_bits : 2;
unsigned lang_flag_0 : 1;
unsigned lang_flag_1 : 1;
unsigned lang_flag_2 : 1;
unsigned lang_flag_3 : 1;
unsigned lang_flag_4 : 1;
unsigned lang_flag_5 : 1;
unsigned lang_flag_6 : 1;
unsigned user_align : 1;
unsigned int align;
tree pointer_to;
tree reference_to;
union tree_type_symtab {
int GTY ((tag ("0"))) address;
char * GTY ((tag ("1"))) pointer;
struct die_struct * GTY ((tag ("2"))) die;
/* APPLE LOCAL begin LLVM */
unsigned GTY ((tag ("3"))) llvm; /* Really an LLVM Type vector (LTypes) index */
} GTY ((desc ("LLVM_IS_ENABLED ? 3 : debug_hooks == &sdb_debug_hooks ? 1 : debug_hooks == &dwarf2_debug_hooks ? 2 : 0"),
descbits ("2"))) symtab;
/* APPLE LOCAL end LLVM */
tree name;
tree minval;
tree maxval;
tree next_variant;
tree main_variant;
tree binfo;
tree context;
HOST_WIDE_INT alias_set;
/* Points to a structure whose details depend on the language in use. */
struct lang_type *lang_specific;
};
/* Define accessor macros for information about type inheritance
and basetypes.
A "basetype" means a particular usage of a data type for inheritance
in another type. Each such basetype usage has its own "binfo"
object to describe it. The binfo object is a TREE_VEC node.
Inheritance is represented by the binfo nodes allocated for a
given type. For example, given types C and D, such that D is
inherited by C, 3 binfo nodes will be allocated: one for describing
the binfo properties of C, similarly one for D, and one for
describing the binfo properties of D as a base type for C.
Thus, given a pointer to class C, one can get a pointer to the binfo
of D acting as a basetype for C by looking at C's binfo's basetypes. */
/* BINFO specific flags. */
/* Nonzero means that the derivation chain is via a `virtual' declaration. */
#define BINFO_VIRTUAL_P(NODE) (TREE_BINFO_CHECK (NODE)->common.static_flag)
/* Flags for language dependent use. */
#define BINFO_MARKED(NODE) TREE_LANG_FLAG_0(TREE_BINFO_CHECK(NODE))
#define BINFO_FLAG_1(NODE) TREE_LANG_FLAG_1(TREE_BINFO_CHECK(NODE))
#define BINFO_FLAG_2(NODE) TREE_LANG_FLAG_2(TREE_BINFO_CHECK(NODE))
#define BINFO_FLAG_3(NODE) TREE_LANG_FLAG_3(TREE_BINFO_CHECK(NODE))
#define BINFO_FLAG_4(NODE) TREE_LANG_FLAG_4(TREE_BINFO_CHECK(NODE))
#define BINFO_FLAG_5(NODE) TREE_LANG_FLAG_5(TREE_BINFO_CHECK(NODE))
#define BINFO_FLAG_6(NODE) TREE_LANG_FLAG_6(TREE_BINFO_CHECK(NODE))
/* The actual data type node being inherited in this basetype. */
#define BINFO_TYPE(NODE) TREE_TYPE (TREE_BINFO_CHECK(NODE))
/* The offset where this basetype appears in its containing type.
BINFO_OFFSET slot holds the offset (in bytes)
from the base of the complete object to the base of the part of the
object that is allocated on behalf of this `type'.
This is always 0 except when there is multiple inheritance. */
#define BINFO_OFFSET(NODE) (TREE_BINFO_CHECK(NODE)->binfo.offset)
#define BINFO_OFFSET_ZEROP(NODE) (integer_zerop (BINFO_OFFSET (NODE)))
/* The virtual function table belonging to this basetype. Virtual
function tables provide a mechanism for run-time method dispatching.
The entries of a virtual function table are language-dependent. */
#define BINFO_VTABLE(NODE) (TREE_BINFO_CHECK(NODE)->binfo.vtable)
/* The virtual functions in the virtual function table. This is
a TREE_LIST that is used as an initial approximation for building
a virtual function table for this basetype. */
#define BINFO_VIRTUALS(NODE) (TREE_BINFO_CHECK(NODE)->binfo.virtuals)
/* A vector of binfos for the direct basetypes inherited by this
basetype.
If this basetype describes type D as inherited in C, and if the
basetypes of D are E and F, then this vector contains binfos for
inheritance of E and F by C. */
#define BINFO_BASE_BINFOS(NODE) (&TREE_BINFO_CHECK(NODE)->binfo.base_binfos)
/* The number of basetypes for NODE. */
#define BINFO_N_BASE_BINFOS(NODE) (VEC_length (tree, BINFO_BASE_BINFOS (NODE)))
/* Accessor macro to get to the Nth base binfo of this binfo. */
#define BINFO_BASE_BINFO(NODE,N) \
(VEC_index (tree, BINFO_BASE_BINFOS (NODE), (N)))
#define BINFO_BASE_ITERATE(NODE,N,B) \
(VEC_iterate (tree, BINFO_BASE_BINFOS (NODE), (N), (B)))
#define BINFO_BASE_APPEND(NODE,T) \
(VEC_quick_push (tree, BINFO_BASE_BINFOS (NODE), (T)))
/* For a BINFO record describing a virtual base class, i.e., one where
TREE_VIA_VIRTUAL is set, this field assists in locating the virtual
base. The actual contents are language-dependent. In the C++
front-end this field is an INTEGER_CST giving an offset into the
vtable where the offset to the virtual base can be found. */
#define BINFO_VPTR_FIELD(NODE) (TREE_BINFO_CHECK(NODE)->binfo.vptr_field)
/* Indicates the accesses this binfo has to its bases. The values are
access_public_node, access_protected_node or access_private_node.
If this array is not present, public access is implied. */
#define BINFO_BASE_ACCESSES(NODE) (TREE_BINFO_CHECK(NODE)->binfo.base_accesses)
#define BINFO_BASE_ACCESS(NODE,N) \
VEC_index (tree, BINFO_BASE_ACCESSES (NODE), (N))
#define BINFO_BASE_ACCESS_APPEND(NODE,T) \
VEC_quick_push (tree, BINFO_BASE_ACCESSES (NODE), (T))
/* The index in the VTT where this subobject's sub-VTT can be found.
NULL_TREE if there is no sub-VTT. */
#define BINFO_SUBVTT_INDEX(NODE) (TREE_BINFO_CHECK(NODE)->binfo.vtt_subvtt)
/* The index in the VTT where the vptr for this subobject can be
found. NULL_TREE if there is no secondary vptr in the VTT. */
#define BINFO_VPTR_INDEX(NODE) (TREE_BINFO_CHECK(NODE)->binfo.vtt_vptr)
/* The BINFO_INHERITANCE_CHAIN points at the binfo for the base
inheriting this base for non-virtual bases. For virtual bases it
points either to the binfo for which this is a primary binfo, or to
the binfo of the most derived type. */
#define BINFO_INHERITANCE_CHAIN(NODE) \
(TREE_BINFO_CHECK(NODE)->binfo.inheritance)
struct tree_binfo GTY (())
{
struct tree_common common;
tree offset;
tree vtable;
tree virtuals;
tree vptr_field;
VEC(tree) *base_accesses;
tree inheritance;
tree vtt_subvtt;
tree vtt_vptr;
VEC(tree) base_binfos;
};
/* Define fields and accessors for nodes representing declared names. */
/* Nonzero if DECL represents a variable for the SSA passes. */
#define SSA_VAR_P(DECL) \
(TREE_CODE (DECL) == VAR_DECL \
|| TREE_CODE (DECL) == PARM_DECL \
|| TREE_CODE (DECL) == RESULT_DECL \
|| (TREE_CODE (DECL) == SSA_NAME \
&& (TREE_CODE (SSA_NAME_VAR (DECL)) == VAR_DECL \
|| TREE_CODE (SSA_NAME_VAR (DECL)) == PARM_DECL \
|| TREE_CODE (SSA_NAME_VAR (DECL)) == RESULT_DECL)))
/* This is the name of the object as written by the user.
It is an IDENTIFIER_NODE. */
#define DECL_NAME(NODE) (DECL_CHECK (NODE)->decl.name)
/* The name of the object as the assembler will see it (but before any
translations made by ASM_OUTPUT_LABELREF). Often this is the same
as DECL_NAME. It is an IDENTIFIER_NODE. */
#define DECL_ASSEMBLER_NAME(NODE) decl_assembler_name (NODE)
/* Returns nonzero if the DECL_ASSEMBLER_NAME for NODE has been set. If zero,
the NODE might still have a DECL_ASSEMBLER_NAME -- it just hasn't been set
yet. */
#define DECL_ASSEMBLER_NAME_SET_P(NODE) \
(DECL_CHECK (NODE)->decl.assembler_name != NULL_TREE)
/* Set the DECL_ASSEMBLER_NAME for NODE to NAME. */
#define SET_DECL_ASSEMBLER_NAME(NODE, NAME) \
(DECL_CHECK (NODE)->decl.assembler_name = (NAME))
/* Copy the DECL_ASSEMBLER_NAME from DECL1 to DECL2. Note that if DECL1's
DECL_ASSEMBLER_NAME has not yet been set, using this macro will not cause
the DECL_ASSEMBLER_NAME of either DECL to be set. In other words, the
semantics of using this macro, are different than saying:
SET_DECL_ASSEMBLER_NAME(DECL2, DECL_ASSEMBLER_NAME (DECL1))
which will try to set the DECL_ASSEMBLER_NAME for DECL1. */
#define COPY_DECL_ASSEMBLER_NAME(DECL1, DECL2) \
(DECL_ASSEMBLER_NAME_SET_P (DECL1) \
? (void) SET_DECL_ASSEMBLER_NAME (DECL2, \
DECL_ASSEMBLER_NAME (DECL1)) \
: (void) 0)
/* Records the section name in a section attribute. Used to pass
the name from decl_attributes to make_function_rtl and make_decl_rtl. */
#define DECL_SECTION_NAME(NODE) (DECL_CHECK (NODE)->decl.section_name)
/* For FIELD_DECLs, this is the RECORD_TYPE, UNION_TYPE, or
QUAL_UNION_TYPE node that the field is a member of. For VAR_DECL,
PARM_DECL, FUNCTION_DECL, LABEL_DECL, and CONST_DECL nodes, this
points to either the FUNCTION_DECL for the containing function,
the RECORD_TYPE or UNION_TYPE for the containing type, or
NULL_TREE or a TRANSLATION_UNIT_DECL if the given decl has "file
scope". */
#define DECL_CONTEXT(NODE) (DECL_CHECK (NODE)->decl.context)
#define DECL_FIELD_CONTEXT(NODE) (FIELD_DECL_CHECK (NODE)->decl.context)
/* In a DECL this is the field where attributes are stored. */
#define DECL_ATTRIBUTES(NODE) (DECL_CHECK (NODE)->decl.attributes)
/* In a FIELD_DECL, this is the field position, counting in bytes, of the
byte containing the bit closest to the beginning of the structure. */
#define DECL_FIELD_OFFSET(NODE) (FIELD_DECL_CHECK (NODE)->decl.arguments)
/* In a FIELD_DECL, this is the offset, in bits, of the first bit of the
field from DECL_FIELD_OFFSET. */
#define DECL_FIELD_BIT_OFFSET(NODE) (FIELD_DECL_CHECK (NODE)->decl.u2.t)
/* In a FIELD_DECL, this indicates whether the field was a bit-field and
if so, the type that was originally specified for it.
TREE_TYPE may have been modified (in finish_struct). */
#define DECL_BIT_FIELD_TYPE(NODE) (FIELD_DECL_CHECK (NODE)->decl.result)
/* In FUNCTION_DECL, a chain of ..._DECL nodes.
VAR_DECL and PARM_DECL reserve the arguments slot for language-specific
uses. */
#define DECL_ARGUMENTS(NODE) (DECL_CHECK (NODE)->decl.arguments)
/* This field is used to reference anything in decl.result and is meant only
for use by the garbage collector. */
#define DECL_RESULT_FLD(NODE) (DECL_CHECK (NODE)->decl.result)
/* In FUNCTION_DECL, holds the decl for the return value. */
#define DECL_RESULT(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.result)
/* For a TYPE_DECL, holds the "original" type. (TREE_TYPE has the copy.) */
#define DECL_ORIGINAL_TYPE(NODE) (TYPE_DECL_CHECK (NODE)->decl.result)
/* In PARM_DECL, holds the type as written (perhaps a function or array). */
#define DECL_ARG_TYPE_AS_WRITTEN(NODE) (PARM_DECL_CHECK (NODE)->decl.result)
/* For a FUNCTION_DECL, holds the tree of BINDINGs.
For a TRANSLATION_UNIT_DECL, holds the namespace's BLOCK.
For a VAR_DECL, holds the initial value.
For a PARM_DECL, not used--default
values for parameters are encoded in the type of the function,
not in the PARM_DECL slot.
??? Need to figure out some way to check this isn't a PARM_DECL. */
#define DECL_INITIAL(NODE) (DECL_CHECK (NODE)->decl.initial)
/* For a PARM_DECL, records the data type used to pass the argument,
which may be different from the type seen in the program. */
#define DECL_ARG_TYPE(NODE) (PARM_DECL_CHECK (NODE)->decl.initial)
/* For a FIELD_DECL in a QUAL_UNION_TYPE, records the expression, which
if nonzero, indicates that the field occupies the type. */
#define DECL_QUALIFIER(NODE) (FIELD_DECL_CHECK (NODE)->decl.initial)
/* These two fields describe where in the source code the declaration
was. If the declaration appears in several places (as for a C
function that is declared first and then defined later), this
information should refer to the definition. */
#define DECL_SOURCE_LOCATION(NODE) (DECL_CHECK (NODE)->decl.locus)
#define DECL_SOURCE_FILE(NODE) LOCATION_FILE (DECL_SOURCE_LOCATION (NODE))
#define DECL_SOURCE_LINE(NODE) LOCATION_LINE (DECL_SOURCE_LOCATION (NODE))
#ifdef USE_MAPPED_LOCATION
#define DECL_IS_BUILTIN(DECL) \
(DECL_SOURCE_LOCATION (DECL) <= BUILTINS_LOCATION)
#else
#define DECL_IS_BUILTIN(DECL) (DECL_SOURCE_LINE(DECL) == 0)
#endif
/* Holds the size of the datum, in bits, as a tree expression.
Need not be constant. */
#define DECL_SIZE(NODE) (DECL_CHECK (NODE)->decl.size)
/* Likewise for the size in bytes. */
#define DECL_SIZE_UNIT(NODE) (DECL_CHECK (NODE)->decl.size_unit)
/* Holds the alignment required for the datum, in bits. */
#define DECL_ALIGN(NODE) (DECL_CHECK (NODE)->decl.u1.a.align)
/* The alignment of NODE, in bytes. */
#define DECL_ALIGN_UNIT(NODE) (DECL_ALIGN (NODE) / BITS_PER_UNIT)
/* For FIELD_DECLs, off_align holds the number of low-order bits of
DECL_FIELD_OFFSET which are known to be always zero.
DECL_OFFSET_ALIGN thus returns the alignment that DECL_FIELD_OFFSET
has. */
#define DECL_OFFSET_ALIGN(NODE) \
(((unsigned HOST_WIDE_INT)1) << FIELD_DECL_CHECK (NODE)->decl.u1.a.off_align)
/* Specify that DECL_ALIGN(NODE) is a multiple of X. */
#define SET_DECL_OFFSET_ALIGN(NODE, X) \
(FIELD_DECL_CHECK (NODE)->decl.u1.a.off_align = exact_log2 ((X) & -(X)))
/* 1 if the alignment for this type was requested by "aligned" attribute,
0 if it is the default for this type. */
#define DECL_USER_ALIGN(NODE) (DECL_CHECK (NODE)->decl.user_align)
/* Holds the machine mode corresponding to the declaration of a variable or
field. Always equal to TYPE_MODE (TREE_TYPE (decl)) except for a
FIELD_DECL. */
#define DECL_MODE(NODE) (DECL_CHECK (NODE)->decl.mode)
/* Holds the RTL expression for the value of a variable or function.
This value can be evaluated lazily for functions, variables with
static storage duration, and labels. */
#define DECL_RTL(NODE) \
(DECL_CHECK (NODE)->decl.rtl \
? (NODE)->decl.rtl \
: (make_decl_rtl (NODE), (NODE)->decl.rtl))
/* Set the DECL_RTL for NODE to RTL. */
#define SET_DECL_RTL(NODE, RTL) set_decl_rtl (NODE, RTL)
/* Returns nonzero if the DECL_RTL for NODE has already been set. */
#define DECL_RTL_SET_P(NODE) (DECL_CHECK (NODE)->decl.rtl != NULL)
/* Copy the RTL from NODE1 to NODE2. If the RTL was not set for
NODE1, it will not be set for NODE2; this is a lazy copy. */
#define COPY_DECL_RTL(NODE1, NODE2) \
(DECL_CHECK (NODE2)->decl.rtl = DECL_CHECK (NODE1)->decl.rtl)
/* The DECL_RTL for NODE, if it is set, or NULL, if it is not set. */
#define DECL_RTL_IF_SET(NODE) (DECL_RTL_SET_P (NODE) ? DECL_RTL (NODE) : NULL)
/* APPLE LOCAL begin LLVM */
#ifndef ENABLE_LLVM
#define LLVM_IS_ENABLED 0
#else
#define LLVM_IS_ENABLED 1
/* If LLVM is enabled, turn most RTL accessors into aborts. */
#undef DECL_RTL
#define DECL_RTL(NODE) (abort(), (void)(NODE), (rtx)0)
#undef SET_DECL_RTL
#define SET_DECL_RTL(NODE, RTL) ((void)(NODE), (void)(RTL), abort())
#undef DECL_RTL_IF_SET
#define DECL_RTL_IF_SET(NODE) (abort(), (void)(NODE), (rtx)0)
/* These ones are exactly the same for LLVM, so allow them to work unmodified.*/
#undef COPY_DECL_RTL
#define COPY_DECL_RTL(NODE1, NODE2) COPY_DECL_LLVM(NODE1, NODE2)
#undef DECL_RTL_SET_P
#define DECL_RTL_SET_P(NODE) DECL_LLVM_SET_P(NODE)
/* Functions, defined in llvm-backend.cpp, which implement the following macros.
*/
extern void make_decl_llvm(tree);
/* Holds the LLVM expression for the value of a variable or function.
This value can be evaluated lazily for functions, variables with
static storage duration, and labels. */
#ifdef __cplusplus
namespace llvm { class Value; }
/* C++ versions */
extern void llvm_set_decl (tree, Value *);
extern Value *llvm_get_decl(tree);
#define DECL_LLVM(NODE) (llvm_get_decl(NODE))
#else
/* C versions */
extern void llvm_set_decl (tree, void *);
extern void *llvm_get_decl(tree);
#define DECL_LLVM(NODE) ((void *) llvm_get_decl(NODE))
#endif
#define SET_DECL_LLVM(NODE, LLVM) (llvm_set_decl (NODE,LLVM))
#define SET_DECL_LLVM_INDEX(NODE, INDEX) (DECL_CHECK (NODE)->decl.llvm = INDEX)
#define GET_DECL_LLVM_INDEX(NODE) (DECL_CHECK (NODE)->decl.llvm)
/* Returns nonzero if the DECL_LLVM for NODE has already been set. */
extern bool llvm_set_decl_p(tree);
#define DECL_LLVM_SET_P(NODE) (llvm_set_decl_p(NODE))
/* Copy the LLVM from NODE1 to NODE2. If the LLVM was not set for
NODE1, it will not be set for NODE2; this is a lazy copy. */
#define COPY_DECL_LLVM(NODE1, NODE2) \
(DECL_CHECK (NODE2)->decl.llvm = DECL_CHECK (NODE1)->decl.llvm)
/* The DECL_LLVM for NODE, if it is set, or NULL, if it is not set. */
#define DECL_LLVM_IF_SET(NODE) \
(DECL_LLVM_SET_P (NODE) ? DECL_LLVM (NODE) : NULL)
#ifndef __cplusplus
/* C version, for debugging */
extern void *llvm_get_type(unsigned);
#define GET_TYPE_LLVM(NODE) \
(void *)llvm_get_type( TYPE_CHECK (NODE)->type.symtab.llvm)
#endif
#endif
/* APPLE LOCAL end LLVM */
/* For PARM_DECL, holds an RTL for the stack slot or register
where the data was actually passed. */
#define DECL_INCOMING_RTL(NODE) (PARM_DECL_CHECK (NODE)->decl.u2.r)
/* For FUNCTION_DECL, this holds a pointer to a structure ("struct function")
that describes the status of this function. */
#define DECL_STRUCT_FUNCTION(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.u2.f)
/* For FUNCTION_DECL, if it is built-in, this identifies which built-in
operation it is. Note, however, that this field is overloaded, with
DECL_BUILT_IN_CLASS as the discriminant, so the latter must always be
checked before any access to the former. */
#define DECL_FUNCTION_CODE(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.u1.f)
/* The DECL_VINDEX is used for FUNCTION_DECLS in two different ways.
Before the struct containing the FUNCTION_DECL is laid out,
DECL_VINDEX may point to a FUNCTION_DECL in a base class which
is the FUNCTION_DECL which this FUNCTION_DECL will replace as a virtual
function. When the class is laid out, this pointer is changed
to an INTEGER_CST node which is suitable for use as an index
into the virtual function table. */
#define DECL_VINDEX(NODE) (DECL_CHECK (NODE)->decl.vindex)
/* For FIELD_DECLS, DECL_FCONTEXT is the *first* baseclass in
which this FIELD_DECL is defined. This information is needed when
writing debugging information about vfield and vbase decls for C++. */
#define DECL_FCONTEXT(NODE) (FIELD_DECL_CHECK (NODE)->decl.vindex)
/* For VAR_DECL, this is set to either an expression that it was split
from (if DECL_DEBUG_EXPR_IS_FROM is true), otherwise a tree_list of
subexpressions that it was split into. */
#define DECL_DEBUG_EXPR(NODE) (DECL_CHECK (NODE)->decl.vindex)
#define DECL_DEBUG_EXPR_IS_FROM(NODE) \
(DECL_CHECK (NODE)->decl.debug_expr_is_from)
/* Every ..._DECL node gets a unique number. */
#define DECL_UID(NODE) (DECL_CHECK (NODE)->decl.uid)
/* For any sort of a ..._DECL node, this points to the original (abstract)
decl node which this decl is an instance of, or else it is NULL indicating
that this decl is not an instance of some other decl. For example,
in a nested declaration of an inline function, this points back to the
definition. */
#define DECL_ABSTRACT_ORIGIN(NODE) (DECL_CHECK (NODE)->decl.abstract_origin)
/* Like DECL_ABSTRACT_ORIGIN, but returns NODE if there's no abstract
origin. This is useful when setting the DECL_ABSTRACT_ORIGIN. */
#define DECL_ORIGIN(NODE) \
(DECL_ABSTRACT_ORIGIN (NODE) ? DECL_ABSTRACT_ORIGIN (NODE) : (NODE))
/* Nonzero for any sort of ..._DECL node means this decl node represents an
inline instance of some original (abstract) decl from an inline function;
suppress any warnings about shadowing some other variable. FUNCTION_DECL
nodes can also have their abstract origin set to themselves. */
#define DECL_FROM_INLINE(NODE) (DECL_ABSTRACT_ORIGIN (NODE) != NULL_TREE \
&& DECL_ABSTRACT_ORIGIN (NODE) != (NODE))
/* Nonzero if a _DECL means that the name of this decl should be ignored
for symbolic debug purposes. */
#define DECL_IGNORED_P(NODE) (DECL_CHECK (NODE)->decl.ignored_flag)
/* Nonzero for a given ..._DECL node means that this node represents an
"abstract instance" of the given declaration (e.g. in the original
declaration of an inline function). When generating symbolic debugging
information, we mustn't try to generate any address information for nodes
marked as "abstract instances" because we don't actually generate
any code or allocate any data space for such instances. */
#define DECL_ABSTRACT(NODE) (DECL_CHECK (NODE)->decl.abstract_flag)
/* Nonzero if a _DECL means that no warnings should be generated just
because this decl is unused. */
#define DECL_IN_SYSTEM_HEADER(NODE) \
(DECL_CHECK (NODE)->decl.in_system_header_flag)
/* Nonzero for a given ..._DECL node means that this node should be
put in .common, if possible. If a DECL_INITIAL is given, and it
is not error_mark_node, then the decl cannot be put in .common. */
#define DECL_COMMON(NODE) (DECL_CHECK (NODE)->decl.common_flag)
/* Language-specific decl information. */
#define DECL_LANG_SPECIFIC(NODE) (DECL_CHECK (NODE)->decl.lang_specific)
/* In a VAR_DECL or FUNCTION_DECL,
nonzero means external reference:
do not allocate storage, and refer to a definition elsewhere. */
#define DECL_EXTERNAL(NODE) (DECL_CHECK (NODE)->decl.external_flag)
/* In a VAR_DECL for a RECORD_TYPE, sets number for non-init_priority
initializations. */
#define DEFAULT_INIT_PRIORITY 65535
#define MAX_INIT_PRIORITY 65535
#define MAX_RESERVED_INIT_PRIORITY 100
/* In a TYPE_DECL
nonzero means the detail info about this type is not dumped into stabs.
Instead it will generate cross reference ('x') of names.
This uses the same flag as DECL_EXTERNAL. */
#define TYPE_DECL_SUPPRESS_DEBUG(NODE) \
(TYPE_DECL_CHECK (NODE)->decl.external_flag)
/* In VAR_DECL and PARM_DECL nodes, nonzero means declared `register'. */
#define DECL_REGISTER(NODE) (DECL_CHECK (NODE)->decl.regdecl_flag)
/* In LABEL_DECL nodes, nonzero means that an error message about
jumping into such a binding contour has been printed for this label. */
#define DECL_ERROR_ISSUED(NODE) (LABEL_DECL_CHECK (NODE)->decl.regdecl_flag)
/* In a FIELD_DECL, indicates this field should be bit-packed. */
#define DECL_PACKED(NODE) (FIELD_DECL_CHECK (NODE)->decl.regdecl_flag)
/* In a FUNCTION_DECL with a nonzero DECL_CONTEXT, indicates that a
static chain is not needed. */
#define DECL_NO_STATIC_CHAIN(NODE) \
(FUNCTION_DECL_CHECK (NODE)->decl.regdecl_flag)
/* Nonzero in a ..._DECL means this variable is ref'd from a nested function.
For VAR_DECL nodes, PARM_DECL nodes, and FUNCTION_DECL nodes.
For LABEL_DECL nodes, nonzero if nonlocal gotos to the label are permitted.
Also set in some languages for variables, etc., outside the normal
lexical scope, such as class instance variables. */
#define DECL_NONLOCAL(NODE) (DECL_CHECK (NODE)->decl.nonlocal_flag)
/* Nonzero in a FUNCTION_DECL means this function can be substituted
where it is called. */
#define DECL_INLINE(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.inline_flag)
/* Nonzero in a FUNCTION_DECL means that this function was declared inline,
such as via the `inline' keyword in C/C++. This flag controls the linkage
semantics of 'inline'; whether or not the function is inlined is
controlled by DECL_INLINE. */
#define DECL_DECLARED_INLINE_P(NODE) \
(FUNCTION_DECL_CHECK (NODE)->decl.declared_inline_flag)
/* Nonzero in a decl means that the gimplifier has seen (or placed)
this variable in a BIND_EXPR. */
#define DECL_SEEN_IN_BIND_EXPR_P(NODE) \
(DECL_CHECK (NODE)->decl.seen_in_bind_expr)
/* In a VAR_DECL, nonzero if the decl is a register variable with
an explicit asm specification. */
#define DECL_HARD_REGISTER(NODE) (VAR_DECL_CHECK (NODE)->decl.inline_flag)
/* Value of the decls's visibility attribute */
#define DECL_VISIBILITY(NODE) (DECL_CHECK (NODE)->decl.visibility)
/* Nonzero means that the decl had its visibility specified rather than
being inferred. */
#define DECL_VISIBILITY_SPECIFIED(NODE) (DECL_CHECK (NODE)->decl.visibility_specified)
/* In a FUNCTION_DECL, nonzero if the function cannot be inlined. */
#define DECL_UNINLINABLE(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.uninlinable)
/* In a VAR_DECL, nonzero if the data should be allocated from
thread-local storage. */
#define DECL_THREAD_LOCAL(NODE) (VAR_DECL_CHECK (NODE)->decl.thread_local_flag)
/* In a FUNCTION_DECL, the saved representation of the body of the
entire function. */
#define DECL_SAVED_TREE(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.saved_tree)
/* In a VAR_DECL or PARM_DECL, the location at which the value may be found,
if transformations have made this more complicated than evaluating the
decl itself. This should only be used for debugging; once this field has
been set, the decl itself may not legitimately appear in the function. */
#define DECL_VALUE_EXPR(NODE) \
(TREE_CHECK2 (NODE, VAR_DECL, PARM_DECL)->decl.saved_tree)
/* Nonzero in a FUNCTION_DECL means this function should be treated
as if it were a malloc, meaning it returns a pointer that is
not an alias. */
#define DECL_IS_MALLOC(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.malloc_flag)
/* Nonzero in a FUNCTION_DECL means this function should be treated
as "pure" function (like const function, but may read global memory). */
#define DECL_IS_PURE(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.pure_flag)
/* Nonzero in a FIELD_DECL means it is a bit field, and must be accessed
specially. */
#define DECL_BIT_FIELD(NODE) (FIELD_DECL_CHECK (NODE)->decl.bit_field_flag)
/* Unused in FUNCTION_DECL. */
/* In a VAR_DECL that's static,
nonzero if the space is in the text section. */
#define DECL_IN_TEXT_SECTION(NODE) (VAR_DECL_CHECK (NODE)->decl.bit_field_flag)
/* In a FUNCTION_DECL, nonzero means a built in function. */
#define DECL_BUILT_IN(NODE) (DECL_BUILT_IN_CLASS (NODE) != NOT_BUILT_IN)
/* For a builtin function, identify which part of the compiler defined it. */
#define DECL_BUILT_IN_CLASS(NODE) \
(FUNCTION_DECL_CHECK (NODE)->decl.built_in_class)
/* Used in VAR_DECLs to indicate that the variable is a vtable.
Used in FIELD_DECLs for vtable pointers.
Used in FUNCTION_DECLs to indicate that the function is virtual. */
#define DECL_VIRTUAL_P(NODE) (DECL_CHECK (NODE)->decl.virtual_flag)
/* Used to indicate that the linkage status of this DECL is not yet known,
so it should not be output now. */
#define DECL_DEFER_OUTPUT(NODE) (DECL_CHECK (NODE)->decl.defer_output)
/* Used in PARM_DECLs whose type are unions to indicate that the
argument should be passed in the same way that the first union
alternative would be passed. */
#define DECL_TRANSPARENT_UNION(NODE) \
(PARM_DECL_CHECK (NODE)->decl.transparent_union)
/* Used in FUNCTION_DECLs to indicate that they should be run automatically
at the beginning or end of execution. */
#define DECL_STATIC_CONSTRUCTOR(NODE) \
(FUNCTION_DECL_CHECK (NODE)->decl.static_ctor_flag)
#define DECL_STATIC_DESTRUCTOR(NODE) \
(FUNCTION_DECL_CHECK (NODE)->decl.static_dtor_flag)
/* Used to indicate that this DECL represents a compiler-generated entity. */
#define DECL_ARTIFICIAL(NODE) (DECL_CHECK (NODE)->decl.artificial_flag)
/* Used to indicate that this DECL has weak linkage. */
#define DECL_WEAK(NODE) (DECL_CHECK (NODE)->decl.weak_flag)
/* APPLE LOCAL duplicate decls in multiple files. */
#define DECL_DUPLICATE_DECL(NODE) (DECL_CHECK (NODE)->decl.duplicate_decl)
/* APPLE LOCAL begin CW asm blocks */
#define DECL_IASM_ASM_FUNCTION(NODE) (DECL_CHECK (NODE)->decl.iasm_asm_function_flag)
#define DECL_IASM_NORETURN(NODE) (DECL_CHECK (NODE)->decl.iasm_noreturn_flag)
#define DECL_IASM_DONT_PROMOTE_TO_STATIC(NODE) (DECL_CHECK (NODE)->decl.iasm_dont_promote_to_static)
#define DECL_IASM_FRAME_SIZE(NODE) (DECL_CHECK (NODE)->decl.iasm_frame_size)
/* APPLE LOCAL end CW asm blocks */
/* Used in TREE_PUBLIC decls to indicate that copies of this DECL in
multiple translation units should be merged. */
#define DECL_ONE_ONLY(NODE) (DECL_CHECK (NODE)->decl.transparent_union)
/* Used in a DECL to indicate that, even if it TREE_PUBLIC, it need
not be put out unless it is needed in this translation unit.
Entities like this are shared across translation units (like weak
entities), but are guaranteed to be generated by any translation
unit that needs them, and therefore need not be put out anywhere
where they are not needed. DECL_COMDAT is just a hint to the
back-end; it is up to front-ends which set this flag to ensure
that there will never be any harm, other than bloat, in putting out
something which is DECL_COMDAT. */
#define DECL_COMDAT(NODE) (DECL_CHECK (NODE)->decl.comdat_flag)
/* Used in FUNCTION_DECLs to indicate that function entry and exit should
be instrumented with calls to support routines. */
#define DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT(NODE) \
(FUNCTION_DECL_CHECK (NODE)->decl.no_instrument_function_entry_exit)
/* Used in FUNCTION_DECLs to indicate that limit-stack-* should be
disabled in this function. */
#define DECL_NO_LIMIT_STACK(NODE) \
(FUNCTION_DECL_CHECK (NODE)->decl.no_limit_stack)
/* Additional flags for language-specific uses. */
#define DECL_LANG_FLAG_0(NODE) (DECL_CHECK (NODE)->decl.lang_flag_0)
#define DECL_LANG_FLAG_1(NODE) (DECL_CHECK (NODE)->decl.lang_flag_1)
#define DECL_LANG_FLAG_2(NODE) (DECL_CHECK (NODE)->decl.lang_flag_2)
#define DECL_LANG_FLAG_3(NODE) (DECL_CHECK (NODE)->decl.lang_flag_3)
#define DECL_LANG_FLAG_4(NODE) (DECL_CHECK (NODE)->decl.lang_flag_4)
#define DECL_LANG_FLAG_5(NODE) (DECL_CHECK (NODE)->decl.lang_flag_5)
#define DECL_LANG_FLAG_6(NODE) (DECL_CHECK (NODE)->decl.lang_flag_6)
#define DECL_LANG_FLAG_7(NODE) (DECL_CHECK (NODE)->decl.lang_flag_7)
/* APPLE LOCAL begin mainline 2005-10-12 */
/* Used to indicate that the DECL is a dllimport. */
#define DECL_DLLIMPORT_P(NODE) (DECL_CHECK (NODE)->decl.dllimport_flag)
/* APPLE LOCAL end mainline 2005-10-12 */
/* Used in a FIELD_DECL to indicate that we cannot form the address of
this component. */
#define DECL_NONADDRESSABLE_P(NODE) \
(FIELD_DECL_CHECK (NODE)->decl.non_addressable)
/* Used to indicate an alias set for the memory pointed to by this
particular FIELD_DECL, PARM_DECL, or VAR_DECL, which must have
pointer (or reference) type. */
#define DECL_POINTER_ALIAS_SET(NODE) \
(DECL_CHECK (NODE)->decl.pointer_alias_set)
/* A numeric unique identifier for a LABEL_DECL. The UID allocation is
dense, unique within any one function, and may be used to index arrays.
If the value is -1, then no UID has been assigned. */
#define LABEL_DECL_UID(NODE) \
(LABEL_DECL_CHECK (NODE)->decl.pointer_alias_set)
/* Nonzero if an alias set has been assigned to this declaration. */
#define DECL_POINTER_ALIAS_SET_KNOWN_P(NODE) \
(DECL_POINTER_ALIAS_SET (NODE) != - 1)
/* APPLE LOCAL begin DECL_ESTIMATED_INSNS */
/* In a FUNCTION_DECL for which DECL_BUILT_IN does not hold, this is
the approximate number of statements in this function. There is
no need for this number to be exact; it is only used in various
heuristics regarding optimization. */
#define DECL_ESTIMATED_INSNS(NODE) \
(FUNCTION_DECL_CHECK (NODE)->decl.u1.i)
/* APPLE LOCAL end DECL_ESTIMATED_INSNS */
/* Nonzero for a decl which is at file scope. */
#define DECL_FILE_SCOPE_P(EXP) \
(! DECL_CONTEXT (EXP) \
|| TREE_CODE (DECL_CONTEXT (EXP)) == TRANSLATION_UNIT_DECL)
/* Nonzero for a decl that cgraph has decided should be inlined into
at least one call site. It is not meaningful to look at this
directly; always use cgraph_function_possibly_inlined_p. */
#define DECL_POSSIBLY_INLINED(DECL) \
FUNCTION_DECL_CHECK (DECL)->decl.possibly_inlined
/* Nonzero for a decl that is decorated using attribute used.
This indicates compiler tools that this decl needs to be preserved. */
#define DECL_PRESERVE_P(DECL) \
DECL_CHECK (DECL)->decl.preserve_flag
/* Internal to the gimplifier. Indicates that the value is a formal
temporary controlled by the gimplifier. */
#define DECL_GIMPLE_FORMAL_TEMP_P(DECL) \
DECL_CHECK (DECL)->decl.gimple_formal_temp
/* Enumerate visibility settings. */
#ifndef SYMBOL_VISIBILITY_DEFINED
#define SYMBOL_VISIBILITY_DEFINED
enum symbol_visibility
{
VISIBILITY_DEFAULT,
VISIBILITY_INTERNAL,
VISIBILITY_HIDDEN,
VISIBILITY_PROTECTED
};
#endif
struct function;
struct tree_decl GTY(())
{
struct tree_common common;
location_t locus;
unsigned int uid;
tree size;
ENUM_BITFIELD(machine_mode) mode : 8;
unsigned external_flag : 1;
unsigned nonlocal_flag : 1;
unsigned regdecl_flag : 1;
unsigned inline_flag : 1;
unsigned bit_field_flag : 1;
unsigned virtual_flag : 1;
unsigned ignored_flag : 1;
unsigned abstract_flag : 1;
unsigned in_system_header_flag : 1;
unsigned common_flag : 1;
unsigned defer_output : 1;
unsigned transparent_union : 1;
unsigned static_ctor_flag : 1;
unsigned static_dtor_flag : 1;
unsigned artificial_flag : 1;
unsigned weak_flag : 1;
/* APPLE LOCAL begin mainline 2005-10-12 */
unsigned dllimport_flag : 1;
/* APPLE LOCAL end mainline 2005-10-12 */
unsigned no_instrument_function_entry_exit : 1;
unsigned comdat_flag : 1;
unsigned malloc_flag : 1;
unsigned no_limit_stack : 1;
ENUM_BITFIELD(built_in_class) built_in_class : 2;
unsigned pure_flag : 1;
unsigned non_addressable : 1;
unsigned user_align : 1;
unsigned uninlinable : 1;
unsigned thread_local_flag : 1;
unsigned declared_inline_flag : 1;
unsigned seen_in_bind_expr : 1;
ENUM_BITFIELD(symbol_visibility) visibility : 2;
unsigned visibility_specified : 1;
unsigned lang_flag_0 : 1;
unsigned lang_flag_1 : 1;
unsigned lang_flag_2 : 1;
unsigned lang_flag_3 : 1;
unsigned lang_flag_4 : 1;
unsigned lang_flag_5 : 1;
unsigned lang_flag_6 : 1;
unsigned lang_flag_7 : 1;
/* APPLE LOCAL duplicate decls in multiple files. */
unsigned duplicate_decl : 1;
unsigned possibly_inlined : 1;
unsigned preserve_flag: 1;
unsigned gimple_formal_temp : 1;
unsigned debug_expr_is_from : 1;
/* APPLE LOCAL unused bits */
/* 9 unused bits. */
/* APPLE LOCAL begin CW asm blocks */
unsigned iasm_asm_function_flag : 1;
unsigned iasm_noreturn_flag : 1;
unsigned iasm_dont_promote_to_static : 1;
unsigned int iasm_frame_size;
/* APPLE LOCAL end CW asm blocks */
union tree_decl_u1 {
/* In a FUNCTION_DECL for which DECL_BUILT_IN holds, this is
DECL_FUNCTION_CODE. */
enum built_in_function f;
/* In a FUNCTION_DECL for which DECL_BUILT_IN does not hold, this
is used by language-dependent code. */
HOST_WIDE_INT i;
/* DECL_ALIGN and DECL_OFFSET_ALIGN. (These are not used for
FUNCTION_DECLs). */
struct tree_decl_u1_a {
unsigned int align : 24;
unsigned int off_align : 8;
} a;
} GTY ((skip)) u1;
tree size_unit;
tree name;
tree context;
tree arguments; /* Also used for DECL_FIELD_OFFSET */
tree result; /* Also used for DECL_BIT_FIELD_TYPE */
tree initial; /* Also used for DECL_QUALIFIER */
tree abstract_origin;
tree assembler_name;
tree section_name;
tree attributes;
rtx rtl; /* RTL representation for object. */
/* APPLE LOCAL begin LLVM */
unsigned llvm; /* LLVM representation for object. */
/* APPLE LOCAL end LLVM */
/* In FUNCTION_DECL, if it is inline, holds the saved insn chain.
In FIELD_DECL, is DECL_FIELD_BIT_OFFSET.
In PARM_DECL, holds an RTL for the stack slot
of register where the data was actually passed.
Used by Chill and Java in LABEL_DECL and by C++ and Java in VAR_DECL. */
union tree_decl_u2 {
struct function * GTY ((tag ("FUNCTION_DECL"))) f;
rtx GTY ((tag ("PARM_DECL"))) r;
tree GTY ((tag ("FIELD_DECL"))) t;
int GTY ((tag ("VAR_DECL"))) i;
} GTY ((desc ("TREE_CODE((tree) &(%0))"))) u2;
/* In a FUNCTION_DECL, this is DECL_SAVED_TREE.
In a VAR_DECL or PARM_DECL, this is DECL_VALUE_EXPR. */
tree saved_tree;
tree vindex;
HOST_WIDE_INT pointer_alias_set;
/* Points to a structure whose details depend on the language in use. */
struct lang_decl *lang_specific;
};
/* A STATEMENT_LIST chains statements together in GENERIC and GIMPLE.
To reduce overhead, the nodes containing the statements are not trees.
This avoids the overhead of tree_common on all linked list elements.
Use the interface in tree-iterator.h to access this node. */
#define STATEMENT_LIST_HEAD(NODE) \
(STATEMENT_LIST_CHECK (NODE)->stmt_list.head)
#define STATEMENT_LIST_TAIL(NODE) \
(STATEMENT_LIST_CHECK (NODE)->stmt_list.tail)
struct tree_statement_list_node
GTY ((chain_next ("%h.next"), chain_prev ("%h.prev")))
{
struct tree_statement_list_node *prev;
struct tree_statement_list_node *next;
tree stmt;
};
struct tree_statement_list
GTY(())
{
struct tree_common common;
struct tree_statement_list_node *head;
struct tree_statement_list_node *tail;
};
#define VALUE_HANDLE_ID(NODE) \
(VALUE_HANDLE_CHECK (NODE)->value_handle.id)
#define VALUE_HANDLE_EXPR_SET(NODE) \
(VALUE_HANDLE_CHECK (NODE)->value_handle.expr_set)
/* Defined and used in tree-ssa-pre.c. */
struct value_set;
struct tree_value_handle GTY(())
{
struct tree_common common;
/* The set of expressions represented by this handle. */
struct value_set * GTY ((skip)) expr_set;
/* Unique ID for this value handle. IDs are handed out in a
conveniently dense form starting at 0, so that we can make
bitmaps of value handles. */
unsigned int id;
};
enum tree_node_structure_enum {
TS_COMMON,
TS_INT_CST,
TS_REAL_CST,
TS_VECTOR,
TS_STRING,
TS_COMPLEX,
TS_IDENTIFIER,
TS_DECL,
TS_TYPE,
TS_LIST,
TS_VEC,
TS_EXP,
TS_SSA_NAME,
TS_PHI_NODE,
TS_BLOCK,
TS_BINFO,
TS_STATEMENT_LIST,
TS_VALUE_HANDLE,
LAST_TS_ENUM
};
/* Define the overall contents of a tree node.
It may be any of the structures declared above
for various types of node. */
union tree_node GTY ((ptr_alias (union lang_tree_node),
desc ("tree_node_structure (&%h)")))
{
struct tree_common GTY ((tag ("TS_COMMON"))) common;
struct tree_int_cst GTY ((tag ("TS_INT_CST"))) int_cst;
struct tree_real_cst GTY ((tag ("TS_REAL_CST"))) real_cst;
struct tree_vector GTY ((tag ("TS_VECTOR"))) vector;
struct tree_string GTY ((tag ("TS_STRING"))) string;
struct tree_complex GTY ((tag ("TS_COMPLEX"))) complex;
struct tree_identifier GTY ((tag ("TS_IDENTIFIER"))) identifier;
struct tree_decl GTY ((tag ("TS_DECL"))) decl;
struct tree_type GTY ((tag ("TS_TYPE"))) type;
struct tree_list GTY ((tag ("TS_LIST"))) list;
struct tree_vec GTY ((tag ("TS_VEC"))) vec;
struct tree_exp GTY ((tag ("TS_EXP"))) exp;
struct tree_ssa_name GTY ((tag ("TS_SSA_NAME"))) ssa_name;
struct tree_phi_node GTY ((tag ("TS_PHI_NODE"))) phi;
struct tree_block GTY ((tag ("TS_BLOCK"))) block;
struct tree_binfo GTY ((tag ("TS_BINFO"))) binfo;
struct tree_statement_list GTY ((tag ("TS_STATEMENT_LIST"))) stmt_list;
struct tree_value_handle GTY ((tag ("TS_VALUE_HANDLE"))) value_handle;
};
/* Standard named or nameless data types of the C compiler. */
enum tree_index
{
TI_ERROR_MARK,
TI_INTQI_TYPE,
TI_INTHI_TYPE,
TI_INTSI_TYPE,
TI_INTDI_TYPE,
TI_INTTI_TYPE,
TI_UINTQI_TYPE,
TI_UINTHI_TYPE,
TI_UINTSI_TYPE,
TI_UINTDI_TYPE,
TI_UINTTI_TYPE,
TI_INTEGER_ZERO,
TI_INTEGER_ONE,
TI_INTEGER_MINUS_ONE,
TI_NULL_POINTER,
TI_SIZE_ZERO,
TI_SIZE_ONE,
TI_BITSIZE_ZERO,
TI_BITSIZE_ONE,
TI_BITSIZE_UNIT,
TI_PUBLIC,
TI_PROTECTED,
TI_PRIVATE,
TI_BOOLEAN_FALSE,
TI_BOOLEAN_TRUE,
TI_COMPLEX_INTEGER_TYPE,
TI_COMPLEX_FLOAT_TYPE,
TI_COMPLEX_DOUBLE_TYPE,
TI_COMPLEX_LONG_DOUBLE_TYPE,
TI_FLOAT_TYPE,
TI_DOUBLE_TYPE,
TI_LONG_DOUBLE_TYPE,
TI_FLOAT_PTR_TYPE,
TI_DOUBLE_PTR_TYPE,
TI_LONG_DOUBLE_PTR_TYPE,
TI_INTEGER_PTR_TYPE,
TI_VOID_TYPE,
TI_PTR_TYPE,
TI_CONST_PTR_TYPE,
TI_SIZE_TYPE,
TI_PID_TYPE,
TI_PTRDIFF_TYPE,
TI_VA_LIST_TYPE,
TI_BOOLEAN_TYPE,
TI_FILEPTR_TYPE,
TI_VOID_LIST_NODE,
TI_MAIN_IDENTIFIER,
TI_MAX
};
extern GTY(()) tree global_trees[TI_MAX];
#define error_mark_node global_trees[TI_ERROR_MARK]
#define intQI_type_node global_trees[TI_INTQI_TYPE]
#define intHI_type_node global_trees[TI_INTHI_TYPE]
#define intSI_type_node global_trees[TI_INTSI_TYPE]
#define intDI_type_node global_trees[TI_INTDI_TYPE]
#define intTI_type_node global_trees[TI_INTTI_TYPE]
#define unsigned_intQI_type_node global_trees[TI_UINTQI_TYPE]
#define unsigned_intHI_type_node global_trees[TI_UINTHI_TYPE]
#define unsigned_intSI_type_node global_trees[TI_UINTSI_TYPE]
#define unsigned_intDI_type_node global_trees[TI_UINTDI_TYPE]
#define unsigned_intTI_type_node global_trees[TI_UINTTI_TYPE]
#define integer_zero_node global_trees[TI_INTEGER_ZERO]
#define integer_one_node global_trees[TI_INTEGER_ONE]
#define integer_minus_one_node global_trees[TI_INTEGER_MINUS_ONE]
#define size_zero_node global_trees[TI_SIZE_ZERO]
#define size_one_node global_trees[TI_SIZE_ONE]
#define bitsize_zero_node global_trees[TI_BITSIZE_ZERO]
#define bitsize_one_node global_trees[TI_BITSIZE_ONE]
#define bitsize_unit_node global_trees[TI_BITSIZE_UNIT]
/* Base access nodes. */
#define access_public_node global_trees[TI_PUBLIC]
#define access_protected_node global_trees[TI_PROTECTED]
#define access_private_node global_trees[TI_PRIVATE]
#define null_pointer_node global_trees[TI_NULL_POINTER]
#define float_type_node global_trees[TI_FLOAT_TYPE]
#define double_type_node global_trees[TI_DOUBLE_TYPE]
#define long_double_type_node global_trees[TI_LONG_DOUBLE_TYPE]
#define float_ptr_type_node global_trees[TI_FLOAT_PTR_TYPE]
#define double_ptr_type_node global_trees[TI_DOUBLE_PTR_TYPE]
#define long_double_ptr_type_node global_trees[TI_LONG_DOUBLE_PTR_TYPE]
#define integer_ptr_type_node global_trees[TI_INTEGER_PTR_TYPE]
#define complex_integer_type_node global_trees[TI_COMPLEX_INTEGER_TYPE]
#define complex_float_type_node global_trees[TI_COMPLEX_FLOAT_TYPE]
#define complex_double_type_node global_trees[TI_COMPLEX_DOUBLE_TYPE]
#define complex_long_double_type_node global_trees[TI_COMPLEX_LONG_DOUBLE_TYPE]
#define void_type_node global_trees[TI_VOID_TYPE]
/* The C type `void *'. */
#define ptr_type_node global_trees[TI_PTR_TYPE]
/* The C type `const void *'. */
#define const_ptr_type_node global_trees[TI_CONST_PTR_TYPE]
/* The C type `size_t'. */
#define size_type_node global_trees[TI_SIZE_TYPE]
#define pid_type_node global_trees[TI_PID_TYPE]
#define ptrdiff_type_node global_trees[TI_PTRDIFF_TYPE]
#define va_list_type_node global_trees[TI_VA_LIST_TYPE]
/* The C type `FILE *'. */
#define fileptr_type_node global_trees[TI_FILEPTR_TYPE]
#define boolean_type_node global_trees[TI_BOOLEAN_TYPE]
#define boolean_false_node global_trees[TI_BOOLEAN_FALSE]
#define boolean_true_node global_trees[TI_BOOLEAN_TRUE]
/* The node that should be placed at the end of a parameter list to
indicate that the function does not take a variable number of
arguments. The TREE_VALUE will be void_type_node and there will be
no TREE_CHAIN. Language-independent code should not assume
anything else about this node. */
#define void_list_node global_trees[TI_VOID_LIST_NODE]
#define main_identifier_node global_trees[TI_MAIN_IDENTIFIER]
#define MAIN_NAME_P(NODE) (IDENTIFIER_NODE_CHECK (NODE) == main_identifier_node)
/* An enumeration of the standard C integer types. These must be
ordered so that shorter types appear before longer ones, and so
that signed types appear before unsigned ones, for the correct
functioning of interpret_integer() in c-lex.c. */
enum integer_type_kind
{
itk_char,
itk_signed_char,
itk_unsigned_char,
itk_short,
itk_unsigned_short,
itk_int,
itk_unsigned_int,
itk_long,
itk_unsigned_long,
itk_long_long,
itk_unsigned_long_long,
itk_none
};
typedef enum integer_type_kind integer_type_kind;
/* The standard C integer types. Use integer_type_kind to index into
this array. */
extern GTY(()) tree integer_types[itk_none];
#define char_type_node integer_types[itk_char]
#define signed_char_type_node integer_types[itk_signed_char]
#define unsigned_char_type_node integer_types[itk_unsigned_char]
#define short_integer_type_node integer_types[itk_short]
#define short_unsigned_type_node integer_types[itk_unsigned_short]
#define integer_type_node integer_types[itk_int]
#define unsigned_type_node integer_types[itk_unsigned_int]
#define long_integer_type_node integer_types[itk_long]
#define long_unsigned_type_node integer_types[itk_unsigned_long]
#define long_long_integer_type_node integer_types[itk_long_long]
#define long_long_unsigned_type_node integer_types[itk_unsigned_long_long]
/* Set to the default thread-local storage (tls) model to use. */
extern enum tls_model flag_tls_default;
/* A pointer-to-function member type looks like:
struct {
__P __pfn;
ptrdiff_t __delta;
};
If __pfn is NULL, it is a NULL pointer-to-member-function.
(Because the vtable is always the first thing in the object, we
don't need its offset.) If the function is virtual, then PFN is
one plus twice the index into the vtable; otherwise, it is just a
pointer to the function.
Unfortunately, using the lowest bit of PFN doesn't work in
architectures that don't impose alignment requirements on function
addresses, or that use the lowest bit to tell one ISA from another,
for example. For such architectures, we use the lowest bit of
DELTA instead of the lowest bit of the PFN, and DELTA will be
multiplied by 2. */
enum ptrmemfunc_vbit_where_t
{
ptrmemfunc_vbit_in_pfn,
ptrmemfunc_vbit_in_delta
};
#define NULL_TREE (tree) NULL
extern GTY(()) tree frame_base_decl;
extern tree decl_assembler_name (tree);
/* Compute the number of bytes occupied by 'node'. This routine only
looks at TREE_CODE and, if the code is TREE_VEC, TREE_VEC_LENGTH. */
extern size_t tree_size (tree);
/* Compute the number of bytes occupied by a tree with code CODE. This
function cannot be used for TREE_VEC or PHI_NODE codes, which are of
variable length. */
extern size_t tree_code_size (enum tree_code);
/* Lowest level primitive for allocating a node.
The TREE_CODE is the only argument. Contents are initialized
to zero except for a few of the common fields. */
extern tree make_node_stat (enum tree_code MEM_STAT_DECL);
#define make_node(t) make_node_stat (t MEM_STAT_INFO)
/* Make a copy of a node, with all the same contents. */
extern tree copy_node_stat (tree MEM_STAT_DECL);
#define copy_node(t) copy_node_stat (t MEM_STAT_INFO)
/* Make a copy of a chain of TREE_LIST nodes. */
extern tree copy_list (tree);
/* Make a BINFO. */
extern tree make_tree_binfo_stat (unsigned MEM_STAT_DECL);
#define make_tree_binfo(t) make_tree_binfo_stat (t MEM_STAT_INFO)
/* Make a TREE_VEC. */
extern tree make_tree_vec_stat (int MEM_STAT_DECL);
#define make_tree_vec(t) make_tree_vec_stat (t MEM_STAT_INFO)
/* Tree nodes for SSA analysis. */
extern void init_phinodes (void);
extern void fini_phinodes (void);
extern void release_phi_node (tree);
#ifdef GATHER_STATISTICS
extern void phinodes_print_statistics (void);
#endif
extern void init_ssanames (void);
extern void fini_ssanames (void);
extern tree make_ssa_name (tree, tree);
extern tree duplicate_ssa_name (tree, tree);
extern void release_ssa_name (tree);
extern void release_defs (tree);
extern void replace_ssa_name_symbol (tree, tree);
#ifdef GATHER_STATISTICS
extern void ssanames_print_statistics (void);
#endif
extern void mark_for_rewrite (tree);
extern void unmark_all_for_rewrite (void);
extern bool marked_for_rewrite_p (tree);
extern bool any_marked_for_rewrite_p (void);
extern struct bitmap_head_def *marked_ssa_names (void);
/* Return the (unique) IDENTIFIER_NODE node for a given name.
The name is supplied as a char *. */
extern tree get_identifier (const char *);
#if GCC_VERSION >= 3000
#define get_identifier(str) \
(__builtin_constant_p (str) \
? get_identifier_with_length ((str), strlen (str)) \
: get_identifier (str))
#endif
/* Identical to get_identifier, except that the length is assumed
known. */
extern tree get_identifier_with_length (const char *, size_t);
/* If an identifier with the name TEXT (a null-terminated string) has
previously been referred to, return that node; otherwise return
NULL_TREE. */
extern tree maybe_get_identifier (const char *);
/* Construct various types of nodes. */
extern tree build (enum tree_code, tree, ...);
extern tree build_nt (enum tree_code, ...);
#if GCC_VERSION >= 3000 || __STDC_VERSION__ >= 199901L
/* Use preprocessor trickery to map "build" to "buildN" where N is the
expected number of arguments. This is used for both efficiency (no
varargs), and checking (verifying number of passed arguments). */
#define build(code, ...) \
_buildN1(build, _buildC1(__VA_ARGS__))(code, __VA_ARGS__)
#define _buildN1(BASE, X) _buildN2(BASE, X)
#define _buildN2(BASE, X) BASE##X
#define _buildC1(...) _buildC2(__VA_ARGS__,9,8,7,6,5,4,3,2,1,0,0)
#define _buildC2(x,a1,a2,a3,a4,a5,a6,a7,a8,a9,c,...) c
#endif
extern tree build0_stat (enum tree_code, tree MEM_STAT_DECL);
#define build0(c,t) build0_stat (c,t MEM_STAT_INFO)
extern tree build1_stat (enum tree_code, tree, tree MEM_STAT_DECL);
#define build1(c,t1,t2) build1_stat (c,t1,t2 MEM_STAT_INFO)
extern tree build2_stat (enum tree_code, tree, tree, tree MEM_STAT_DECL);
#define build2(c,t1,t2,t3) build2_stat (c,t1,t2,t3 MEM_STAT_INFO)
extern tree build3_stat (enum tree_code, tree, tree, tree, tree MEM_STAT_DECL);
#define build3(c,t1,t2,t3,t4) build3_stat (c,t1,t2,t3,t4 MEM_STAT_INFO)
extern tree build4_stat (enum tree_code, tree, tree, tree, tree,
tree MEM_STAT_DECL);
#define build4(c,t1,t2,t3,t4,t5) build4_stat (c,t1,t2,t3,t4,t5 MEM_STAT_INFO)
extern tree build_int_cst (tree, HOST_WIDE_INT);
extern tree build_int_cst_type (tree, HOST_WIDE_INT);
extern tree build_int_cstu (tree, unsigned HOST_WIDE_INT);
extern tree build_int_cst_wide (tree, unsigned HOST_WIDE_INT, HOST_WIDE_INT);
extern tree build_vector (tree, tree);
extern tree build_constructor (tree, tree);
extern tree build_real_from_int_cst (tree, tree);
extern tree build_complex (tree, tree, tree);
extern tree build_string (int, const char *);
extern tree build_tree_list_stat (tree, tree MEM_STAT_DECL);
#define build_tree_list(t,q) build_tree_list_stat(t,q MEM_STAT_INFO)
extern tree build_decl_stat (enum tree_code, tree, tree MEM_STAT_DECL);
#define build_decl(c,t,q) build_decl_stat (c,t,q MEM_STAT_INFO)
extern tree build_block (tree, tree, tree, tree, tree);
#ifndef USE_MAPPED_LOCATION
extern void annotate_with_file_line (tree, const char *, int);
extern void annotate_with_locus (tree, location_t);
#endif
extern tree build_empty_stmt (void);
/* Construct various nodes representing data types. */
extern tree make_signed_type (int);
extern tree make_unsigned_type (int);
extern tree signed_type_for (tree);
extern tree unsigned_type_for (tree);
extern void initialize_sizetypes (bool);
extern void set_sizetype (tree);
extern void fixup_unsigned_type (tree);
extern tree build_pointer_type_for_mode (tree, enum machine_mode, bool);
extern tree build_pointer_type (tree);
extern tree build_reference_type_for_mode (tree, enum machine_mode, bool);
extern tree build_reference_type (tree);
extern tree build_vector_type_for_mode (tree, enum machine_mode);
extern tree build_vector_type (tree innertype, int nunits);
extern tree build_type_no_quals (tree);
extern tree build_index_type (tree);
extern tree build_index_2_type (tree, tree);
extern tree build_array_type (tree, tree);
extern tree build_function_type (tree, tree);
extern tree build_function_type_list (tree, ...);
extern tree build_method_type_directly (tree, tree, tree);
extern tree build_method_type (tree, tree);
extern tree build_offset_type (tree, tree);
extern tree build_complex_type (tree);
extern tree array_type_nelts (tree);
extern bool in_array_bounds_p (tree);
extern tree value_member (tree, tree);
extern tree purpose_member (tree, tree);
extern int attribute_list_equal (tree, tree);
extern int attribute_list_contained (tree, tree);
extern int tree_int_cst_equal (tree, tree);
extern int tree_int_cst_lt (tree, tree);
extern int tree_int_cst_compare (tree, tree);
extern int host_integerp (tree, int);
extern HOST_WIDE_INT tree_low_cst (tree, int);
extern int tree_int_cst_msb (tree);
extern int tree_int_cst_sgn (tree);
extern int tree_expr_nonnegative_p (tree);
extern bool may_negate_without_overflow_p (tree);
extern tree get_inner_array_type (tree);
/* From expmed.c. Since rtl.h is included after tree.h, we can't
put the prototype here. Rtl.h does declare the prototype if
tree.h had been included. */
extern tree make_tree (tree, rtx);
/* Return a type like TTYPE except that its TYPE_ATTRIBUTES
is ATTRIBUTE.