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/* Gimple IR definitions.
Copyright (C) 2007-2022 Free Software Foundation, Inc.
Contributed by Aldy Hernandez <aldyh@redhat.com>
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 3, 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 COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#ifndef GCC_GIMPLE_H
#define GCC_GIMPLE_H
#include "tree-ssa-alias.h"
#include "gimple-expr.h"
typedef gimple *gimple_seq_node;
enum gimple_code {
#define DEFGSCODE(SYM, STRING, STRUCT) SYM,
#include "gimple.def"
#undef DEFGSCODE
LAST_AND_UNUSED_GIMPLE_CODE
};
extern const char *const gimple_code_name[];
extern const unsigned char gimple_rhs_class_table[];
/* Strip the outermost pointer, from tr1/type_traits. */
template<typename T> struct remove_pointer { typedef T type; };
template<typename T> struct remove_pointer<T *> { typedef T type; };
/* Error out if a gimple tuple is addressed incorrectly. */
#if defined ENABLE_GIMPLE_CHECKING
#define gcc_gimple_checking_assert(EXPR) gcc_assert (EXPR)
extern void gimple_check_failed (const gimple *, const char *, int, \
const char *, enum gimple_code, \
enum tree_code) ATTRIBUTE_NORETURN \
ATTRIBUTE_COLD;
#define GIMPLE_CHECK(GS, CODE) \
do { \
const gimple *__gs = (GS); \
if (gimple_code (__gs) != (CODE)) \
gimple_check_failed (__gs, __FILE__, __LINE__, __FUNCTION__, \
(CODE), ERROR_MARK); \
} while (0)
template <typename T>
static inline T
GIMPLE_CHECK2(const gimple *gs,
#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
const char *file = __builtin_FILE (),
int line = __builtin_LINE (),
const char *fun = __builtin_FUNCTION ())
#else
const char *file = __FILE__,
int line = __LINE__,
const char *fun = NULL)
#endif
{
T ret = dyn_cast <T> (gs);
if (!ret)
gimple_check_failed (gs, file, line, fun,
remove_pointer<T>::type::code_, ERROR_MARK);
return ret;
}
template <typename T>
static inline T
GIMPLE_CHECK2(gimple *gs,
#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
const char *file = __builtin_FILE (),
int line = __builtin_LINE (),
const char *fun = __builtin_FUNCTION ())
#else
const char *file = __FILE__,
int line = __LINE__,
const char *fun = NULL)
#endif
{
T ret = dyn_cast <T> (gs);
if (!ret)
gimple_check_failed (gs, file, line, fun,
remove_pointer<T>::type::code_, ERROR_MARK);
return ret;
}
#else /* not ENABLE_GIMPLE_CHECKING */
#define gcc_gimple_checking_assert(EXPR) ((void)(0 && (EXPR)))
#define GIMPLE_CHECK(GS, CODE) (void)0
template <typename T>
static inline T
GIMPLE_CHECK2(gimple *gs)
{
return as_a <T> (gs);
}
template <typename T>
static inline T
GIMPLE_CHECK2(const gimple *gs)
{
return as_a <T> (gs);
}
#endif
/* Class of GIMPLE expressions suitable for the RHS of assignments. See
get_gimple_rhs_class. */
enum gimple_rhs_class
{
GIMPLE_INVALID_RHS, /* The expression cannot be used on the RHS. */
GIMPLE_TERNARY_RHS, /* The expression is a ternary operation. */
GIMPLE_BINARY_RHS, /* The expression is a binary operation. */
GIMPLE_UNARY_RHS, /* The expression is a unary operation. */
GIMPLE_SINGLE_RHS /* The expression is a single object (an SSA
name, a _DECL, a _REF, etc. */
};
/* Specific flags for individual GIMPLE statements. These flags are
always stored in gimple.subcode and they may only be
defined for statement codes that do not use subcodes.
Values for the masks can overlap as long as the overlapping values
are never used in the same statement class.
The maximum mask value that can be defined is 1 << 15 (i.e., each
statement code can hold up to 16 bitflags).
Keep this list sorted. */
enum gf_mask {
GF_ASM_INPUT = 1 << 0,
GF_ASM_VOLATILE = 1 << 1,
GF_ASM_INLINE = 1 << 2,
GF_CALL_FROM_THUNK = 1 << 0,
GF_CALL_RETURN_SLOT_OPT = 1 << 1,
GF_CALL_TAILCALL = 1 << 2,
GF_CALL_VA_ARG_PACK = 1 << 3,
GF_CALL_NOTHROW = 1 << 4,
GF_CALL_ALLOCA_FOR_VAR = 1 << 5,
GF_CALL_INTERNAL = 1 << 6,
GF_CALL_CTRL_ALTERING = 1 << 7,
GF_CALL_MUST_TAIL_CALL = 1 << 9,
GF_CALL_BY_DESCRIPTOR = 1 << 10,
GF_CALL_NOCF_CHECK = 1 << 11,
GF_CALL_FROM_NEW_OR_DELETE = 1 << 12,
GF_OMP_PARALLEL_COMBINED = 1 << 0,
GF_OMP_TASK_TASKLOOP = 1 << 0,
GF_OMP_TASK_TASKWAIT = 1 << 1,
GF_OMP_FOR_KIND_MASK = (1 << 3) - 1,
GF_OMP_FOR_KIND_FOR = 0,
GF_OMP_FOR_KIND_DISTRIBUTE = 1,
GF_OMP_FOR_KIND_TASKLOOP = 2,
GF_OMP_FOR_KIND_OACC_LOOP = 4,
GF_OMP_FOR_KIND_SIMD = 5,
GF_OMP_FOR_COMBINED = 1 << 3,
GF_OMP_FOR_COMBINED_INTO = 1 << 4,
GF_OMP_TARGET_KIND_MASK = (1 << 5) - 1,
GF_OMP_TARGET_KIND_REGION = 0,
GF_OMP_TARGET_KIND_DATA = 1,
GF_OMP_TARGET_KIND_UPDATE = 2,
GF_OMP_TARGET_KIND_ENTER_DATA = 3,
GF_OMP_TARGET_KIND_EXIT_DATA = 4,
GF_OMP_TARGET_KIND_OACC_PARALLEL = 5,
GF_OMP_TARGET_KIND_OACC_KERNELS = 6,
GF_OMP_TARGET_KIND_OACC_SERIAL = 7,
GF_OMP_TARGET_KIND_OACC_DATA = 8,
GF_OMP_TARGET_KIND_OACC_UPDATE = 9,
GF_OMP_TARGET_KIND_OACC_ENTER_DATA = 10,
GF_OMP_TARGET_KIND_OACC_EXIT_DATA = 11,
GF_OMP_TARGET_KIND_OACC_DECLARE = 12,
GF_OMP_TARGET_KIND_OACC_HOST_DATA = 13,
/* A 'GF_OMP_TARGET_KIND_OACC_PARALLEL' representing an OpenACC 'kernels'
decomposed part, parallelized. */
GF_OMP_TARGET_KIND_OACC_PARALLEL_KERNELS_PARALLELIZED = 14,
/* A 'GF_OMP_TARGET_KIND_OACC_PARALLEL' representing an OpenACC 'kernels'
decomposed part, "gang-single". */
GF_OMP_TARGET_KIND_OACC_PARALLEL_KERNELS_GANG_SINGLE = 15,
/* A 'GF_OMP_TARGET_KIND_OACC_DATA' representing an OpenACC 'kernels'
decomposed parts' 'data' construct. */
GF_OMP_TARGET_KIND_OACC_DATA_KERNELS = 16,
GF_OMP_TEAMS_HOST = 1 << 0,
/* True on an GIMPLE_OMP_RETURN statement if the return does not require
a thread synchronization via some sort of barrier. The exact barrier
that would otherwise be emitted is dependent on the OMP statement with
which this return is associated. */
GF_OMP_RETURN_NOWAIT = 1 << 0,
GF_OMP_SECTION_LAST = 1 << 0,
GF_OMP_ATOMIC_MEMORY_ORDER = (1 << 6) - 1,
GF_OMP_ATOMIC_NEED_VALUE = 1 << 6,
GF_OMP_ATOMIC_WEAK = 1 << 7,
GF_PREDICT_TAKEN = 1 << 15
};
/* This subcode tells apart different kinds of stmts that are not used
for codegen, but rather to retain debug information. */
enum gimple_debug_subcode {
GIMPLE_DEBUG_BIND = 0,
GIMPLE_DEBUG_SOURCE_BIND = 1,
GIMPLE_DEBUG_BEGIN_STMT = 2,
GIMPLE_DEBUG_INLINE_ENTRY = 3
};
/* Masks for selecting a pass local flag (PLF) to work on. These
masks are used by gimple_set_plf and gimple_plf. */
enum plf_mask {
GF_PLF_1 = 1 << 0,
GF_PLF_2 = 1 << 1
};
/* Data structure definitions for GIMPLE tuples. NOTE: word markers
are for 64 bit hosts. */
struct GTY((desc ("gimple_statement_structure (&%h)"), tag ("GSS_BASE"),
chain_next ("%h.next"), variable_size))
gimple
{
/* [ WORD 1 ]
Main identifying code for a tuple. */
ENUM_BITFIELD(gimple_code) code : 8;
/* Nonzero if a warning should not be emitted on this tuple. */
unsigned int no_warning : 1;
/* Nonzero if this tuple has been visited. Passes are responsible
for clearing this bit before using it. */
unsigned int visited : 1;
/* Nonzero if this tuple represents a non-temporal move. */
unsigned int nontemporal_move : 1;
/* Pass local flags. These flags are free for any pass to use as
they see fit. Passes should not assume that these flags contain
any useful value when the pass starts. Any initial state that
the pass requires should be set on entry to the pass. See
gimple_set_plf and gimple_plf for usage. */
unsigned int plf : 2;
/* Nonzero if this statement has been modified and needs to have its
operands rescanned. */
unsigned modified : 1;
/* Nonzero if this statement contains volatile operands. */
unsigned has_volatile_ops : 1;
/* Padding to get subcode to 16 bit alignment. */
unsigned pad : 1;
/* The SUBCODE field can be used for tuple-specific flags for tuples
that do not require subcodes. Note that SUBCODE should be at
least as wide as tree codes, as several tuples store tree codes
in there. */
unsigned int subcode : 16;
/* UID of this statement. This is used by passes that want to
assign IDs to statements. It must be assigned and used by each
pass. By default it should be assumed to contain garbage. */
unsigned uid;
/* [ WORD 2 ]
Locus information for debug info. */
location_t location;
/* Number of operands in this tuple. */
unsigned num_ops;
/* [ WORD 3 ]
Basic block holding this statement. */
basic_block bb;
/* [ WORD 4-5 ]
Linked lists of gimple statements. The next pointers form
a NULL terminated list, the prev pointers are a cyclic list.
A gimple statement is hence also a double-ended list of
statements, with the pointer itself being the first element,
and the prev pointer being the last. */
gimple *next;
gimple *GTY((skip)) prev;
};
/* Base structure for tuples with operands. */
/* This gimple subclass has no tag value. */
struct GTY(())
gimple_statement_with_ops_base : public gimple
{
/* [ WORD 1-6 ] : base class */
/* [ WORD 7 ]
SSA operand vectors. NOTE: It should be possible to
amalgamate these vectors with the operand vector OP. However,
the SSA operand vectors are organized differently and contain
more information (like immediate use chaining). */
struct use_optype_d GTY((skip (""))) *use_ops;
};
/* Statements that take register operands. */
struct GTY((tag("GSS_WITH_OPS")))
gimple_statement_with_ops : public gimple_statement_with_ops_base
{
/* [ WORD 1-7 ] : base class */
/* [ WORD 8 ]
Operand vector. NOTE! This must always be the last field
of this structure. In particular, this means that this
structure cannot be embedded inside another one. */
tree GTY((length ("%h.num_ops"))) op[1];
};
/* Base for statements that take both memory and register operands. */
struct GTY((tag("GSS_WITH_MEM_OPS_BASE")))
gimple_statement_with_memory_ops_base : public gimple_statement_with_ops_base
{
/* [ WORD 1-7 ] : base class */
/* [ WORD 8-9 ]
Virtual operands for this statement. The GC will pick them
up via the ssa_names array. */
tree GTY((skip (""))) vdef;
tree GTY((skip (""))) vuse;
};
/* Statements that take both memory and register operands. */
struct GTY((tag("GSS_WITH_MEM_OPS")))
gimple_statement_with_memory_ops :
public gimple_statement_with_memory_ops_base
{
/* [ WORD 1-9 ] : base class */
/* [ WORD 10 ]
Operand vector. NOTE! This must always be the last field
of this structure. In particular, this means that this
structure cannot be embedded inside another one. */
tree GTY((length ("%h.num_ops"))) op[1];
};
/* Call statements that take both memory and register operands. */
struct GTY((tag("GSS_CALL")))
gcall : public gimple_statement_with_memory_ops_base
{
/* [ WORD 1-9 ] : base class */
/* [ WORD 10-13 ] */
struct pt_solution call_used;
struct pt_solution call_clobbered;
/* [ WORD 14 ] */
union GTY ((desc ("%1.subcode & GF_CALL_INTERNAL"))) {
tree GTY ((tag ("0"))) fntype;
enum internal_fn GTY ((tag ("GF_CALL_INTERNAL"))) internal_fn;
} u;
/* [ WORD 15 ]
Operand vector. NOTE! This must always be the last field
of this structure. In particular, this means that this
structure cannot be embedded inside another one. */
tree GTY((length ("%h.num_ops"))) op[1];
static const enum gimple_code code_ = GIMPLE_CALL;
};
/* OMP statements. */
struct GTY((tag("GSS_OMP")))
gimple_statement_omp : public gimple
{
/* [ WORD 1-6 ] : base class */
/* [ WORD 7 ] */
gimple_seq body;
};
/* GIMPLE_BIND */
struct GTY((tag("GSS_BIND")))
gbind : public gimple
{
/* [ WORD 1-6 ] : base class */
/* [ WORD 7 ]
Variables declared in this scope. */
tree vars;
/* [ WORD 8 ]
This is different than the BLOCK field in gimple,
which is analogous to TREE_BLOCK (i.e., the lexical block holding
this statement). This field is the equivalent of BIND_EXPR_BLOCK
in tree land (i.e., the lexical scope defined by this bind). See
gimple-low.cc. */
tree block;
/* [ WORD 9 ] */
gimple_seq body;
};
/* GIMPLE_CATCH */
struct GTY((tag("GSS_CATCH")))
gcatch : public gimple
{
/* [ WORD 1-6 ] : base class */
/* [ WORD 7 ] */
tree types;
/* [ WORD 8 ] */
gimple_seq handler;
};
/* GIMPLE_EH_FILTER */
struct GTY((tag("GSS_EH_FILTER")))
geh_filter : public gimple
{
/* [ WORD 1-6 ] : base class */
/* [ WORD 7 ]
Filter types. */
tree types;
/* [ WORD 8 ]
Failure actions. */
gimple_seq failure;
};
/* GIMPLE_EH_ELSE */
struct GTY((tag("GSS_EH_ELSE")))
geh_else : public gimple
{
/* [ WORD 1-6 ] : base class */
/* [ WORD 7,8 ] */
gimple_seq n_body, e_body;
};
/* GIMPLE_EH_MUST_NOT_THROW */
struct GTY((tag("GSS_EH_MNT")))
geh_mnt : public gimple
{
/* [ WORD 1-6 ] : base class */
/* [ WORD 7 ] Abort function decl. */
tree fndecl;
};
/* GIMPLE_PHI */
struct GTY((tag("GSS_PHI")))
gphi : public gimple
{
/* [ WORD 1-6 ] : base class */
/* [ WORD 7 ] */
unsigned capacity;
unsigned nargs;
/* [ WORD 8 ] */
tree result;
/* [ WORD 9 ] */
struct phi_arg_d GTY ((length ("%h.nargs"))) args[1];
};
/* GIMPLE_RESX, GIMPLE_EH_DISPATCH */
struct GTY((tag("GSS_EH_CTRL")))
gimple_statement_eh_ctrl : public gimple
{
/* [ WORD 1-6 ] : base class */
/* [ WORD 7 ]
Exception region number. */
int region;
};
struct GTY((tag("GSS_EH_CTRL")))
gresx : public gimple_statement_eh_ctrl
{
/* No extra fields; adds invariant:
stmt->code == GIMPLE_RESX. */
};
struct GTY((tag("GSS_EH_CTRL")))
geh_dispatch : public gimple_statement_eh_ctrl
{
/* No extra fields; adds invariant:
stmt->code == GIMPLE_EH_DISPATH. */
};
/* GIMPLE_TRY */
struct GTY((tag("GSS_TRY")))
gtry : public gimple
{
/* [ WORD 1-6 ] : base class */
/* [ WORD 7 ]
Expression to evaluate. */
gimple_seq eval;
/* [ WORD 8 ]
Cleanup expression. */
gimple_seq cleanup;
};
/* Kind of GIMPLE_TRY statements. */
enum gimple_try_flags
{
/* A try/catch. */
GIMPLE_TRY_CATCH = 1 << 0,
/* A try/finally. */
GIMPLE_TRY_FINALLY = 1 << 1,
GIMPLE_TRY_KIND = GIMPLE_TRY_CATCH | GIMPLE_TRY_FINALLY,
/* Analogous to TRY_CATCH_IS_CLEANUP. */
GIMPLE_TRY_CATCH_IS_CLEANUP = 1 << 2
};
/* GIMPLE_WITH_CLEANUP_EXPR */
struct GTY((tag("GSS_WCE")))
gimple_statement_wce : public gimple
{
/* [ WORD 1-6 ] : base class */
/* Subcode: CLEANUP_EH_ONLY. True if the cleanup should only be
executed if an exception is thrown, not on normal exit of its
scope. This flag is analogous to the CLEANUP_EH_ONLY flag
in TARGET_EXPRs. */
/* [ WORD 7 ]
Cleanup expression. */
gimple_seq cleanup;
};
/* GIMPLE_ASM */
struct GTY((tag("GSS_ASM")))
gasm : public gimple_statement_with_memory_ops_base
{
/* [ WORD 1-9 ] : base class */
/* [ WORD 10 ]
__asm__ statement. */
const char *string;
/* [ WORD 11 ]
Number of inputs, outputs, clobbers, labels. */
unsigned char ni;
unsigned char no;
unsigned char nc;
unsigned char nl;
/* [ WORD 12 ]
Operand vector. NOTE! This must always be the last field
of this structure. In particular, this means that this
structure cannot be embedded inside another one. */
tree GTY((length ("%h.num_ops"))) op[1];
};
/* GIMPLE_OMP_CRITICAL */
struct GTY((tag("GSS_OMP_CRITICAL")))
gomp_critical : public gimple_statement_omp
{
/* [ WORD 1-7 ] : base class */
/* [ WORD 8 ] */
tree clauses;
/* [ WORD 9 ]
Critical section name. */
tree name;
};
struct GTY(()) gimple_omp_for_iter {
/* Condition code. */
enum tree_code cond;
/* Index variable. */
tree index;
/* Initial value. */
tree initial;
/* Final value. */
tree final;
/* Increment. */
tree incr;
};
/* GIMPLE_OMP_FOR */
struct GTY((tag("GSS_OMP_FOR")))
gomp_for : public gimple_statement_omp
{
/* [ WORD 1-7 ] : base class */
/* [ WORD 8 ] */
tree clauses;
/* [ WORD 9 ]
Number of elements in iter array. */
size_t collapse;
/* [ WORD 10 ] */
struct gimple_omp_for_iter * GTY((length ("%h.collapse"))) iter;
/* [ WORD 11 ]
Pre-body evaluated before the loop body begins. */
gimple_seq pre_body;
};
/* GIMPLE_OMP_PARALLEL, GIMPLE_OMP_TARGET, GIMPLE_OMP_TASK, GIMPLE_OMP_TEAMS */
struct GTY((tag("GSS_OMP_PARALLEL_LAYOUT")))
gimple_statement_omp_parallel_layout : public gimple_statement_omp
{
/* [ WORD 1-7 ] : base class */
/* [ WORD 8 ]
Clauses. */
tree clauses;
/* [ WORD 9 ]
Child function holding the body of the parallel region. */
tree child_fn;
/* [ WORD 10 ]
Shared data argument. */
tree data_arg;
};
/* GIMPLE_OMP_PARALLEL or GIMPLE_TASK */
struct GTY((tag("GSS_OMP_PARALLEL_LAYOUT")))
gimple_statement_omp_taskreg : public gimple_statement_omp_parallel_layout
{
/* No extra fields; adds invariant:
stmt->code == GIMPLE_OMP_PARALLEL
|| stmt->code == GIMPLE_OMP_TASK
|| stmt->code == GIMPLE_OMP_TEAMS. */
};
/* GIMPLE_OMP_PARALLEL */
struct GTY((tag("GSS_OMP_PARALLEL_LAYOUT")))
gomp_parallel : public gimple_statement_omp_taskreg
{
/* No extra fields; adds invariant:
stmt->code == GIMPLE_OMP_PARALLEL. */
};
/* GIMPLE_OMP_TARGET */
struct GTY((tag("GSS_OMP_PARALLEL_LAYOUT")))
gomp_target : public gimple_statement_omp_parallel_layout
{
/* No extra fields; adds invariant:
stmt->code == GIMPLE_OMP_TARGET. */
};
/* GIMPLE_OMP_TASK */
struct GTY((tag("GSS_OMP_TASK")))
gomp_task : public gimple_statement_omp_taskreg
{
/* [ WORD 1-10 ] : base class */
/* [ WORD 11 ]
Child function holding firstprivate initialization if needed. */
tree copy_fn;
/* [ WORD 12-13 ]
Size and alignment in bytes of the argument data block. */
tree arg_size;
tree arg_align;
};
/* GIMPLE_OMP_SECTION */
/* Uses struct gimple_statement_omp. */
/* GIMPLE_OMP_SECTIONS */
struct GTY((tag("GSS_OMP_SECTIONS")))
gomp_sections : public gimple_statement_omp
{
/* [ WORD 1-7 ] : base class */
/* [ WORD 8 ] */
tree clauses;
/* [ WORD 9 ]
The control variable used for deciding which of the sections to
execute. */
tree control;
};
/* GIMPLE_OMP_CONTINUE.
Note: This does not inherit from gimple_statement_omp, because we
do not need the body field. */
struct GTY((tag("GSS_OMP_CONTINUE")))
gomp_continue : public gimple
{
/* [ WORD 1-6 ] : base class */
/* [ WORD 7 ] */
tree control_def;
/* [ WORD 8 ] */
tree control_use;
};
/* GIMPLE_OMP_SINGLE, GIMPLE_OMP_ORDERED, GIMPLE_OMP_TASKGROUP,
GIMPLE_OMP_SCAN, GIMPLE_OMP_MASKED, GIMPLE_OMP_SCOPE. */
struct GTY((tag("GSS_OMP_SINGLE_LAYOUT")))
gimple_statement_omp_single_layout : public gimple_statement_omp
{
/* [ WORD 1-7 ] : base class */
/* [ WORD 8 ] */
tree clauses;
};
struct GTY((tag("GSS_OMP_SINGLE_LAYOUT")))
gomp_single : public gimple_statement_omp_single_layout
{
/* No extra fields; adds invariant:
stmt->code == GIMPLE_OMP_SINGLE. */
};
struct GTY((tag("GSS_OMP_PARALLEL_LAYOUT")))
gomp_teams : public gimple_statement_omp_taskreg
{
/* No extra fields; adds invariant:
stmt->code == GIMPLE_OMP_TEAMS. */
};
struct GTY((tag("GSS_OMP_SINGLE_LAYOUT")))
gomp_ordered : public gimple_statement_omp_single_layout
{
/* No extra fields; adds invariant:
stmt->code == GIMPLE_OMP_ORDERED. */
};
struct GTY((tag("GSS_OMP_SINGLE_LAYOUT")))
gomp_scan : public gimple_statement_omp_single_layout
{
/* No extra fields; adds invariant:
stmt->code == GIMPLE_OMP_SCAN. */
};
/* GIMPLE_OMP_ATOMIC_LOAD.
Note: This is based on gimple, not g_s_omp, because g_s_omp
contains a sequence, which we don't need here. */
struct GTY((tag("GSS_OMP_ATOMIC_LOAD")))
gomp_atomic_load : public gimple
{
/* [ WORD 1-6 ] : base class */
/* [ WORD 7-8 ] */
tree rhs, lhs;
};
/* GIMPLE_OMP_ATOMIC_STORE.
See note on GIMPLE_OMP_ATOMIC_LOAD. */
struct GTY((tag("GSS_OMP_ATOMIC_STORE_LAYOUT")))
gimple_statement_omp_atomic_store_layout : public gimple
{
/* [ WORD 1-6 ] : base class */
/* [ WORD 7 ] */
tree val;
};
struct GTY((tag("GSS_OMP_ATOMIC_STORE_LAYOUT")))
gomp_atomic_store :
public gimple_statement_omp_atomic_store_layout
{
/* No extra fields; adds invariant:
stmt->code == GIMPLE_OMP_ATOMIC_STORE. */
};
struct GTY((tag("GSS_OMP_ATOMIC_STORE_LAYOUT")))
gimple_statement_omp_return :
public gimple_statement_omp_atomic_store_layout
{
/* No extra fields; adds invariant:
stmt->code == GIMPLE_OMP_RETURN. */
};
/* GIMPLE_TRANSACTION. */
/* Bits to be stored in the GIMPLE_TRANSACTION subcode. */
/* The __transaction_atomic was declared [[outer]] or it is
__transaction_relaxed. */
#define GTMA_IS_OUTER (1u << 0)
#define GTMA_IS_RELAXED (1u << 1)
#define GTMA_DECLARATION_MASK (GTMA_IS_OUTER | GTMA_IS_RELAXED)
/* The transaction is seen to not have an abort. */
#define GTMA_HAVE_ABORT (1u << 2)
/* The transaction is seen to have loads or stores. */
#define GTMA_HAVE_LOAD (1u << 3)
#define GTMA_HAVE_STORE (1u << 4)
/* The transaction MAY enter serial irrevocable mode in its dynamic scope. */
#define GTMA_MAY_ENTER_IRREVOCABLE (1u << 5)
/* The transaction WILL enter serial irrevocable mode.
An irrevocable block post-dominates the entire transaction, such
that all invocations of the transaction will go serial-irrevocable.
In such case, we don't bother instrumenting the transaction, and
tell the runtime that it should begin the transaction in
serial-irrevocable mode. */
#define GTMA_DOES_GO_IRREVOCABLE (1u << 6)
/* The transaction contains no instrumentation code whatsover, most
likely because it is guaranteed to go irrevocable upon entry. */
#define GTMA_HAS_NO_INSTRUMENTATION (1u << 7)
struct GTY((tag("GSS_TRANSACTION")))
gtransaction : public gimple_statement_with_memory_ops_base
{
/* [ WORD 1-9 ] : base class */
/* [ WORD 10 ] */
gimple_seq body;
/* [ WORD 11-13 ] */
tree label_norm;
tree label_uninst;
tree label_over;
};
#define DEFGSSTRUCT(SYM, STRUCT, HAS_TREE_OP) SYM,
enum gimple_statement_structure_enum {
#include "gsstruct.def"
LAST_GSS_ENUM
};
#undef DEFGSSTRUCT
/* A statement with the invariant that
stmt->code == GIMPLE_COND
i.e. a conditional jump statement. */
struct GTY((tag("GSS_WITH_OPS")))
gcond : public gimple_statement_with_ops
{
/* no additional fields; this uses the layout for GSS_WITH_OPS. */
static const enum gimple_code code_ = GIMPLE_COND;
};
/* A statement with the invariant that
stmt->code == GIMPLE_DEBUG
i.e. a debug statement. */
struct GTY((tag("GSS_WITH_OPS")))
gdebug : public gimple_statement_with_ops
{
/* no additional fields; this uses the layout for GSS_WITH_OPS. */
};
/* A statement with the invariant that
stmt->code == GIMPLE_GOTO
i.e. a goto statement. */
struct GTY((tag("GSS_WITH_OPS")))
ggoto : public gimple_statement_with_ops
{
/* no additional fields; this uses the layout for GSS_WITH_OPS. */
};
/* A statement with the invariant that
stmt->code == GIMPLE_LABEL
i.e. a label statement. */
struct GTY((tag("GSS_WITH_OPS")))
glabel : public gimple_statement_with_ops
{
/* no additional fields; this uses the layout for GSS_WITH_OPS. */
};
/* A statement with the invariant that
stmt->code == GIMPLE_SWITCH
i.e. a switch statement. */
struct GTY((tag("GSS_WITH_OPS")))
gswitch : public gimple_statement_with_ops
{
/* no additional fields; this uses the layout for GSS_WITH_OPS. */
};
/* A statement with the invariant that
stmt->code == GIMPLE_ASSIGN
i.e. an assignment statement. */
struct GTY((tag("GSS_WITH_MEM_OPS")))
gassign : public gimple_statement_with_memory_ops
{
static const enum gimple_code code_ = GIMPLE_ASSIGN;
/* no additional fields; this uses the layout for GSS_WITH_MEM_OPS. */
};
/* A statement with the invariant that
stmt->code == GIMPLE_RETURN
i.e. a return statement. */
struct GTY((tag("GSS_WITH_MEM_OPS")))
greturn : public gimple_statement_with_memory_ops
{
/* no additional fields; this uses the layout for GSS_WITH_MEM_OPS. */
};
template <>
template <>
inline bool
is_a_helper <gasm *>::test (gimple *gs)
{
return gs->code == GIMPLE_ASM;
}
template <>
template <>
inline bool
is_a_helper <gassign *>::test (gimple *gs)
{
return gs->code == GIMPLE_ASSIGN;
}
template <>
template <>
inline bool
is_a_helper <const gassign *>::test (const gimple *gs)
{
return gs->code == GIMPLE_ASSIGN;
}
template <>
template <>
inline bool
is_a_helper <gbind *>::test (gimple *gs)
{
return gs->code == GIMPLE_BIND;
}
template <>
template <>
inline bool
is_a_helper <gcall *>::test (gimple *gs)
{
return gs->code == GIMPLE_CALL;
}
template <>
template <>
inline bool
is_a_helper <gcatch *>::test (gimple *gs)
{
return gs->code == GIMPLE_CATCH;
}
template <>
template <>
inline bool
is_a_helper <gcond *>::test (gimple *gs)
{
return gs->code == GIMPLE_COND;
}
template <>
template <>
inline bool
is_a_helper <const gcond *>::test (const gimple *gs)
{
return gs->code == GIMPLE_COND;
}
template <>
template <>
inline bool
is_a_helper <gdebug *>::test (gimple *gs)
{
return gs->code == GIMPLE_DEBUG;
}
template <>
template <>
inline bool
is_a_helper <const gdebug *>::test (const gimple *gs)
{
return gs->code == GIMPLE_DEBUG;
}
template <>
template <>
inline bool
is_a_helper <ggoto *>::test (gimple *gs)
{
return gs->code == GIMPLE_GOTO;
}
template <>
template <>
inline bool
is_a_helper <const ggoto *>::test (const gimple *gs)
{
return gs->code == GIMPLE_GOTO;
}
template <>
template <>
inline bool
is_a_helper <glabel *>::test (gimple *gs)
{
return gs->code == GIMPLE_LABEL;
}
template <>
template <>
inline bool
is_a_helper <const glabel *>::test (const gimple *gs)
{
return gs->code == GIMPLE_LABEL;
}
template <>
template <>
inline bool
is_a_helper <gresx *>::test (gimple *gs)
{
return gs->code == GIMPLE_RESX;
}
template <>
template <>
inline bool
is_a_helper <geh_dispatch *>::test (gimple *gs)
{
return gs->code == GIMPLE_EH_DISPATCH;
}
template <>
template <>
inline bool
is_a_helper <geh_else *>::test (gimple *gs)
{
return gs->code == GIMPLE_EH_ELSE;
}
template <>
template <>
inline bool
is_a_helper <const geh_else *>::test (const gimple *gs)
{
return gs->code == GIMPLE_EH_ELSE;
}
template <>
template <>
inline bool
is_a_helper <geh_filter *>::test (gimple *gs)
{
return gs->code == GIMPLE_EH_FILTER;
}
template <>
template <>
inline bool
is_a_helper <geh_mnt *>::test (gimple *gs)
{
return gs->code == GIMPLE_EH_MUST_NOT_THROW;
}
template <>
template <>
inline bool
is_a_helper <const geh_mnt *>::test (const gimple *gs)
{
return gs->code == GIMPLE_EH_MUST_NOT_THROW;
}
template <>
template <>
inline bool
is_a_helper <gomp_atomic_load *>::test (gimple *gs)
{
return gs->code == GIMPLE_OMP_ATOMIC_LOAD;
}
template <>
template <>
inline bool
is_a_helper <gomp_atomic_store *>::test (gimple *gs)
{
return gs->code == GIMPLE_OMP_ATOMIC_STORE;
}
template <>
template <>
inline bool
is_a_helper <gimple_statement_omp_return *>::test (gimple *gs)
{
return gs->code == GIMPLE_OMP_RETURN;
}
template <>
template <>
inline bool
is_a_helper <gomp_continue *>::test (gimple *gs)
{
return gs->code == GIMPLE_OMP_CONTINUE;
}
template <>
template <>
inline bool
is_a_helper <gomp_critical *>::test (gimple *gs)
{
return gs->code == GIMPLE_OMP_CRITICAL;
}
template <>
template <>
inline bool
is_a_helper <gomp_ordered *>::test (gimple *gs)
{
return gs->code == GIMPLE_OMP_ORDERED;
}
template <>
template <>
inline bool
is_a_helper <gomp_scan *>::test (gimple *gs)
{
return gs->code == GIMPLE_OMP_SCAN;
}
template <>
template <>
inline bool
is_a_helper <gomp_for *>::test (gimple *gs)
{
return gs->code == GIMPLE_OMP_FOR;
}
template <>
template <>
inline bool
is_a_helper <gimple_statement_omp_taskreg *>::test (gimple *gs)
{
return (gs->code == GIMPLE_OMP_PARALLEL
|| gs->code == GIMPLE_OMP_TASK
|| gs->code == GIMPLE_OMP_TEAMS);
}
template <>
template <>
inline bool
is_a_helper <gomp_parallel *>::test (gimple *gs)
{
return gs->code == GIMPLE_OMP_PARALLEL;
}
template <>
template <>
inline bool
is_a_helper <gomp_target *>::test (gimple *gs)
{
return gs->code == GIMPLE_OMP_TARGET;
}
template <>
template <>
inline bool
is_a_helper <gomp_sections *>::test (gimple *gs)
{
return gs->code == GIMPLE_OMP_SECTIONS;
}
template <>
template <>
inline bool
is_a_helper <gomp_single *>::test (gimple *gs)
{
return gs->code == GIMPLE_OMP_SINGLE;
}
template <>
template <>
inline bool
is_a_helper <gomp_teams *>::test (gimple *gs)
{
return gs->code == GIMPLE_OMP_TEAMS;
}
template <>
template <>
inline bool
is_a_helper <gomp_task *>::test (gimple *gs)
{
return gs->code == GIMPLE_OMP_TASK;
}
template <>
template <>
inline bool
is_a_helper <gphi *>::test (gimple *gs)
{
return gs->code == GIMPLE_PHI;
}
template <>
template <>
inline bool
is_a_helper <greturn *>::test (gimple *gs)
{
return gs->code == GIMPLE_RETURN;
}
template <>
template <>
inline bool
is_a_helper <gswitch *>::test (gimple *gs)
{
return gs->code == GIMPLE_SWITCH;
}
template <>
template <>
inline bool
is_a_helper <const gswitch *>::test (const gimple *gs)
{
return gs->code == GIMPLE_SWITCH;
}
template <>
template <>
inline bool
is_a_helper <gtransaction *>::test (gimple *gs)
{
return gs->code == GIMPLE_TRANSACTION;
}
template <>
template <>
inline bool
is_a_helper <gtry *>::test (gimple *gs)
{
return gs->code == GIMPLE_TRY;
}
template <>
template <>
inline bool
is_a_helper <const gtry *>::test (const gimple *gs)
{
return gs->code == GIMPLE_TRY;
}
template <>
template <>
inline bool
is_a_helper <gimple_statement_wce *>::test (gimple *gs)
{
return gs->code == GIMPLE_WITH_CLEANUP_EXPR;
}
template <>
template <>
inline bool
is_a_helper <const gasm *>::test (const gimple *gs)
{
return gs->code == GIMPLE_ASM;
}
template <>
template <>
inline bool
is_a_helper <const gbind *>::test (const gimple *gs)
{
return gs->code == GIMPLE_BIND;
}
template <>
template <>
inline bool
is_a_helper <const gcall *>::test (const gimple *gs)
{
return gs->code == GIMPLE_CALL;
}
template <>
template <>
inline bool
is_a_helper <const gcatch *>::test (const gimple *gs)
{
return gs->code == GIMPLE_CATCH;
}
template <>
template <>
inline bool
is_a_helper <const gresx *>::test (const gimple *gs)
{
return gs->code == GIMPLE_RESX;
}
template <>
template <>
inline bool
is_a_helper <const geh_dispatch *>::test (const gimple *gs)
{
return gs->code == GIMPLE_EH_DISPATCH;
}
template <>
template <>
inline bool
is_a_helper <const geh_filter *>::test (const gimple *gs)
{
return gs->code == GIMPLE_EH_FILTER;
}
template <>
template <>
inline bool
is_a_helper <const gomp_atomic_load *>::test (const gimple *gs)
{
return gs->code == GIMPLE_OMP_ATOMIC_LOAD;
}
template <>
template <>
inline bool
is_a_helper <const gomp_atomic_store *>::test (const gimple *gs)
{
return gs->code == GIMPLE_OMP_ATOMIC_STORE;
}
template <>
template <>
inline bool
is_a_helper <const gimple_statement_omp_return *>::test (const gimple *gs)
{
return gs->code == GIMPLE_OMP_RETURN;
}
template <>
template <>
inline bool
is_a_helper <const gomp_continue *>::test (const gimple *gs)
{
return gs->code == GIMPLE_OMP_CONTINUE;
}
template <>
template <>
inline bool
is_a_helper <const gomp_critical *>::test (const gimple *gs)
{
return gs->code == GIMPLE_OMP_CRITICAL;
}
template <>
template <>
inline bool
is_a_helper <const gomp_ordered *>::test (const gimple *gs)
{
return gs->code == GIMPLE_OMP_ORDERED;
}
template <>
template <>
inline bool
is_a_helper <const gomp_scan *>::test (const gimple *gs)
{
return gs->code == GIMPLE_OMP_SCAN;
}
template <>
template <>
inline bool
is_a_helper <const gomp_for *>::test (const gimple *gs)
{
return gs->code == GIMPLE_OMP_FOR;
}
template <>
template <>
inline bool
is_a_helper <const gimple_statement_omp_taskreg *>::test (const gimple *gs)
{
return (gs->code == GIMPLE_OMP_PARALLEL
|| gs->code == GIMPLE_OMP_TASK
|| gs->code == GIMPLE_OMP_TEAMS);
}
template <>
template <>
inline bool
is_a_helper <const gomp_parallel *>::test (const gimple *gs)
{
return gs->code == GIMPLE_OMP_PARALLEL;
}
template <>
template <>
inline bool
is_a_helper <const gomp_target *>::test (const gimple *gs)
{
return gs->code == GIMPLE_OMP_TARGET;
}
template <>
template <>
inline bool
is_a_helper <const gomp_sections *>::test (const gimple *gs)
{
return gs->code == GIMPLE_OMP_SECTIONS;
}
template <>
template <>
inline bool
is_a_helper <const gomp_single *>::test (const gimple *gs)
{
return gs->code == GIMPLE_OMP_SINGLE;
}
template <>
template <>
inline bool
is_a_helper <const gomp_teams *>::test (const gimple *gs)
{
return gs->code == GIMPLE_OMP_TEAMS;
}
template <>
template <>
inline bool
is_a_helper <const gomp_task *>::test (const gimple *gs)
{
return gs->code == GIMPLE_OMP_TASK;
}
template <>
template <>
inline bool
is_a_helper <const gphi *>::test (const gimple *gs)
{
return gs->code == GIMPLE_PHI;
}
template <>
template <>
inline bool
is_a_helper <const greturn *>::test (const gimple *gs)
{
return gs->code == GIMPLE_RETURN;
}
template <>
template <>
inline bool
is_a_helper <const gtransaction *>::test (const gimple *gs)
{
return gs->code == GIMPLE_TRANSACTION;
}
/* Offset in bytes to the location of the operand vector.
Zero if there is no operand vector for this tuple structure. */
extern size_t const gimple_ops_offset_[];
/* Map GIMPLE codes to GSS codes. */
extern enum gimple_statement_structure_enum const gss_for_code_[];
/* This variable holds the currently expanded gimple statement for purposes
of comminucating the profile info to the builtin expanders. */
extern gimple *currently_expanding_gimple_stmt;
size_t gimple_size (enum gimple_code code, unsigned num_ops = 0);
void gimple_init (gimple *g, enum gimple_code code, unsigned num_ops);
gimple *gimple_alloc (enum gimple_code, unsigned CXX_MEM_STAT_INFO);
greturn *gimple_build_return (tree);
void gimple_call_reset_alias_info (gcall *);
gcall *gimple_build_call_vec (tree, const vec<tree> &);
gcall *gimple_build_call (tree, unsigned, ...);
gcall *gimple_build_call_valist (tree, unsigned, va_list);
gcall *gimple_build_call_internal (enum internal_fn, unsigned, ...);
gcall *gimple_build_call_internal_vec (enum internal_fn, const vec<tree> &);
gcall *gimple_build_call_from_tree (tree, tree);
gassign *gimple_build_assign (tree, tree CXX_MEM_STAT_INFO);
gassign *gimple_build_assign (tree, enum tree_code,
tree, tree, tree CXX_MEM_STAT_INFO);
gassign *gimple_build_assign (tree, enum tree_code,
tree, tree CXX_MEM_STAT_INFO);
gassign *gimple_build_assign (tree, enum tree_code, tree CXX_MEM_STAT_INFO);
gcond *gimple_build_cond (enum tree_code, tree, tree, tree, tree);
gcond *gimple_build_cond_from_tree (tree, tree, tree);
void gimple_cond_set_condition_from_tree (gcond *, tree);
glabel *gimple_build_label (tree label);
ggoto *gimple_build_goto (tree dest);
gimple *gimple_build_nop (void);
gbind *gimple_build_bind (tree, gimple_seq, tree);
gasm *gimple_build_asm_vec (const char *, vec<tree, va_gc> *,
vec<tree, va_gc> *, vec<tree, va_gc> *,
vec<tree, va_gc> *);
gcatch *gimple_build_catch (tree, gimple_seq);
geh_filter *gimple_build_eh_filter (tree, gimple_seq);
geh_mnt *gimple_build_eh_must_not_throw (tree);
geh_else *gimple_build_eh_else (gimple_seq, gimple_seq);
gtry *gimple_build_try (gimple_seq, gimple_seq,
enum gimple_try_flags);
gimple *gimple_build_wce (gimple_seq);
gresx *gimple_build_resx (int);
gswitch *gimple_build_switch_nlabels (unsigned, tree, tree);
gswitch *gimple_build_switch (tree, tree, const vec<tree> &);
geh_dispatch *gimple_build_eh_dispatch (int);
gdebug *gimple_build_debug_bind (tree, tree, gimple * CXX_MEM_STAT_INFO);
gdebug *gimple_build_debug_source_bind (tree, tree, gimple * CXX_MEM_STAT_INFO);
gdebug *gimple_build_debug_begin_stmt (tree, location_t CXX_MEM_STAT_INFO);
gdebug *gimple_build_debug_inline_entry (tree, location_t CXX_MEM_STAT_INFO);
gomp_critical *gimple_build_omp_critical (gimple_seq, tree, tree);
gomp_for *gimple_build_omp_for (gimple_seq, int, tree, size_t, gimple_seq);
gomp_parallel *gimple_build_omp_parallel (gimple_seq, tree, tree, tree);
gomp_task *gimple_build_omp_task (gimple_seq, tree, tree, tree, tree,
tree, tree);
gimple *gimple_build_omp_section (gimple_seq);
gimple *gimple_build_omp_scope (gimple_seq, tree);
gimple *gimple_build_omp_master (gimple_seq);
gimple *gimple_build_omp_masked (gimple_seq, tree);
gimple *gimple_build_omp_taskgroup (gimple_seq, tree);
gomp_continue *gimple_build_omp_continue (tree, tree);
gomp_ordered *gimple_build_omp_ordered (gimple_seq, tree);
gimple *gimple_build_omp_return (bool);
gomp_scan *gimple_build_omp_scan (gimple_seq, tree);
gomp_sections *gimple_build_omp_sections (gimple_seq, tree);
gimple *gimple_build_omp_sections_switch (void);
gomp_single *gimple_build_omp_single (gimple_seq, tree);
gomp_target *gimple_build_omp_target (gimple_seq, int, tree);
gomp_teams *gimple_build_omp_teams (gimple_seq, tree);
gomp_atomic_load *gimple_build_omp_atomic_load (tree, tree,
enum omp_memory_order);
gomp_atomic_store *gimple_build_omp_atomic_store (tree, enum omp_memory_order);
gtransaction *gimple_build_transaction (gimple_seq);
extern void gimple_seq_add_stmt (gimple_seq *, gimple *);
extern void gimple_seq_add_stmt_without_update (gimple_seq *, gimple *);
void gimple_seq_add_seq (gimple_seq *, gimple_seq);
void gimple_seq_add_seq_without_update (gimple_seq *, gimple_seq);
extern void annotate_all_with_location_after (gimple_seq, gimple_stmt_iterator,
location_t);
extern void annotate_all_with_location (gimple_seq, location_t);
bool empty_body_p (gimple_seq);
gimple_seq gimple_seq_copy (gimple_seq);
bool gimple_call_same_target_p (const gimple *, const gimple *);
int gimple_call_flags (const gimple *);
int gimple_call_arg_flags (const gcall *, unsigned);
int gimple_call_retslot_flags (const gcall *);
int gimple_call_static_chain_flags (const gcall *);
int gimple_call_return_flags (const gcall *);
bool gimple_call_nonnull_result_p (gcall *);
tree gimple_call_nonnull_arg (gcall *);
bool gimple_assign_copy_p (gimple *);
bool gimple_assign_ssa_name_copy_p (gimple *);
bool gimple_assign_unary_nop_p (gimple *);
void gimple_set_bb (gimple *, basic_block);
void gimple_assign_set_rhs_from_tree (gimple_stmt_iterator *, tree);
void gimple_assign_set_rhs_with_ops (gimple_stmt_iterator *, enum tree_code,
tree, tree, tree);
tree gimple_get_lhs (const gimple *);
void gimple_set_lhs (gimple *, tree);
gimple *gimple_copy (gimple *);
void gimple_move_vops (gimple *, gimple *);
bool gimple_has_side_effects (const gimple *);
bool gimple_could_trap_p_1 (const gimple *, bool, bool);
bool gimple_could_trap_p (const gimple *);
bool gimple_assign_rhs_could_trap_p (gimple *);
extern void dump_gimple_statistics (void);
unsigned get_gimple_rhs_num_ops (enum tree_code);
extern tree canonicalize_cond_expr_cond (tree);
gcall *gimple_call_copy_skip_args (gcall *, bitmap);
extern bool gimple_compare_field_offset (tree, tree);
extern tree gimple_unsigned_type (tree);
extern tree gimple_signed_type (tree);
extern alias_set_type gimple_get_alias_set (tree);
extern bool gimple_ior_addresses_taken (bitmap, gimple *);
extern bool gimple_builtin_call_types_compatible_p (const gimple *, tree);
extern combined_fn gimple_call_combined_fn (const gimple *);
extern bool gimple_call_operator_delete_p (const gcall *);
extern bool gimple_call_builtin_p (const gimple *);
extern bool gimple_call_builtin_p (const gimple *, enum built_in_class);
extern bool gimple_call_builtin_p (const gimple *, enum built_in_function);
extern bool gimple_asm_clobbers_memory_p (const gasm *);
extern void dump_decl_set (FILE *, bitmap);
extern bool nonfreeing_call_p (gimple *);
extern bool nonbarrier_call_p (gimple *);
extern bool infer_nonnull_range (gimple *, tree);
extern bool infer_nonnull_range_by_dereference (gimple *, tree);
extern bool infer_nonnull_range_by_attribute (gimple *, tree);
extern void sort_case_labels (vec<tree> &);
extern void preprocess_case_label_vec_for_gimple (vec<tree> &, tree, tree *);
extern void gimple_seq_set_location (gimple_seq, location_t);
extern void gimple_seq_discard (gimple_seq);
extern void maybe_remove_unused_call_args (struct function *, gimple *);
extern bool gimple_inexpensive_call_p (gcall *);
extern bool stmt_can_terminate_bb_p (gimple *);
extern location_t gimple_or_expr_nonartificial_location (gimple *, tree);
/* Return the disposition for a warning (or all warnings by default)
for a statement. */
extern bool warning_suppressed_p (const gimple *, opt_code = all_warnings)
ATTRIBUTE_NONNULL (1);
/* Set the disposition for a warning (or all warnings by default)
at a location to enabled by default. */
extern void suppress_warning (gimple *, opt_code = all_warnings,
bool = true) ATTRIBUTE_NONNULL (1);
/* Copy the warning disposition mapping from one statement to another. */
extern void copy_warning (gimple *, const gimple *)
ATTRIBUTE_NONNULL (1) ATTRIBUTE_NONNULL (2);
/* Copy the warning disposition mapping from an expression to a statement. */
extern void copy_warning (gimple *, const_tree)
ATTRIBUTE_NONNULL (1) ATTRIBUTE_NONNULL (2);
/* Copy the warning disposition mapping from a statement to an expression. */
extern void copy_warning (tree, const gimple *)
ATTRIBUTE_NONNULL (1) ATTRIBUTE_NONNULL (2);
/* Formal (expression) temporary table handling: multiple occurrences of
the same scalar expression are evaluated into the same temporary. */
typedef struct gimple_temp_hash_elt
{
tree val; /* Key */
tree temp; /* Value */
} elt_t;
/* Get the number of the next statement uid to be allocated. */
static inline unsigned int
gimple_stmt_max_uid (struct function *fn)
{
return fn->last_stmt_uid;
}
/* Set the number of the next statement uid to be allocated. */
static inline void
set_gimple_stmt_max_uid (struct function *fn, unsigned int maxid)
{
fn->last_stmt_uid = maxid;
}
/* Set the number of the next statement uid to be allocated. */
static inline unsigned int
inc_gimple_stmt_max_uid (struct function *fn)
{
return fn->last_stmt_uid++;
}
/* Return the first node in GIMPLE sequence S. */
static inline gimple_seq_node
gimple_seq_first (gimple_seq s)
{
return s;
}
/* Return the first statement in GIMPLE sequence S. */
static inline gimple *
gimple_seq_first_stmt (gimple_seq s)
{
gimple_seq_node n = gimple_seq_first (s);
return n;
}
/* Return the first statement in GIMPLE sequence S as a gbind *,
verifying that it has code GIMPLE_BIND in a checked build. */
static inline gbind *
gimple_seq_first_stmt_as_a_bind (gimple_seq s)
{
gimple_seq_node n = gimple_seq_first (s);
return as_a <gbind *> (n);
}
/* Return the last node in GIMPLE sequence S. */
static inline gimple_seq_node
gimple_seq_last (gimple_seq s)
{
return s ? s->prev : NULL;
}
/* Return the last statement in GIMPLE sequence S. */
static inline gimple *
gimple_seq_last_stmt (gimple_seq s)
{
gimple_seq_node n = gimple_seq_last (s);
return n;
}
/* Set the last node in GIMPLE sequence *PS to LAST. */
static inline void
gimple_seq_set_last (gimple_seq *ps, gimple_seq_node last)
{
(*ps)->prev = last;
}
/* Set the first node in GIMPLE sequence *PS to FIRST. */
static inline void
gimple_seq_set_first (gimple_seq *ps, gimple_seq_node first)
{
*ps = first;
}
/* Return true if GIMPLE sequence S is empty. */
static inline bool
gimple_seq_empty_p (gimple_seq s)
{
return s == NULL;
}
/* Allocate a new sequence and initialize its first element with STMT. */
static inline gimple_seq
gimple_seq_alloc_with_stmt (gimple *stmt)
{
gimple_seq seq = NULL;
gimple_seq_add_stmt (&seq, stmt);
return seq;
}
/* Returns the sequence of statements in BB. */
static inline gimple_seq
bb_seq (const_basic_block bb)
{
return (!(bb->flags & BB_RTL)) ? bb->il.gimple.seq : NULL;
}
static inline gimple_seq *
bb_seq_addr (basic_block bb)
{
return (!(bb->flags & BB_RTL)) ? &bb->il.gimple.seq : NULL;
}
/* Sets the sequence of statements in BB to SEQ. */
static inline void
set_bb_seq (basic_block bb, gimple_seq seq)
{
gcc_checking_assert (!(bb->flags & BB_RTL));
bb->il.gimple.seq = seq;
}
/* Return the code for GIMPLE statement G. */
static inline enum gimple_code
gimple_code (const gimple *g)
{
return g->code;
}
/* Return the GSS code used by a GIMPLE code. */
static inline enum gimple_statement_structure_enum
gss_for_code (enum gimple_code code)
{
gcc_gimple_checking_assert ((unsigned int)code < LAST_AND_UNUSED_GIMPLE_CODE);
return gss_for_code_[code];
}
/* Return which GSS code is used by GS. */
static inline enum gimple_statement_structure_enum
gimple_statement_structure (gimple *gs)
{
return gss_for_code (gimple_code (gs));
}
/* Return true if statement G has sub-statements. This is only true for
High GIMPLE statements. */
static inline bool
gimple_has_substatements (gimple *g)
{
switch (gimple_code (g))
{
case GIMPLE_BIND:
case GIMPLE_CATCH:
case GIMPLE_EH_FILTER:
case GIMPLE_EH_ELSE:
case GIMPLE_TRY:
case GIMPLE_OMP_FOR:
case GIMPLE_OMP_MASTER:
case GIMPLE_OMP_MASKED:
case GIMPLE_OMP_TASKGROUP:
case GIMPLE_OMP_ORDERED:
case GIMPLE_OMP_SECTION:
case GIMPLE_OMP_PARALLEL:
case GIMPLE_OMP_TASK:
case GIMPLE_OMP_SCOPE:
case GIMPLE_OMP_SECTIONS:
case GIMPLE_OMP_SINGLE:
case GIMPLE_OMP_TARGET:
case GIMPLE_OMP_TEAMS:
case GIMPLE_OMP_CRITICAL:
case GIMPLE_WITH_CLEANUP_EXPR:
case GIMPLE_TRANSACTION:
return true;
default:
return false;
}
}
/* Return the basic block holding statement G. */
static inline basic_block
gimple_bb (const gimple *g)
{
return g->bb;
}
/* Return the lexical scope block holding statement G. */
static inline tree
gimple_block (const gimple *g)
{
return LOCATION_BLOCK (g->location);
}
/* Forward declare. */
static inline void gimple_set_location (gimple *, location_t);
/* Set BLOCK to be the lexical scope block holding statement G. */
static inline void
gimple_set_block (gimple *g, tree block)
{
gimple_set_location (g, set_block (g->location, block));
}
/* Return location information for statement G. */
static inline location_t
gimple_location (const gimple *g)
{
return g->location;
}
/* Return location information for statement G if g is not NULL.
Otherwise, UNKNOWN_LOCATION is returned. */
static inline location_t
gimple_location_safe (const gimple *g)
{
return g ? gimple_location (g) : UNKNOWN_LOCATION;
}
/* Set location information for statement G. */
static inline void
gimple_set_location (gimple *g, location_t location)
{
/* Copy the no-warning data to the statement location. */
copy_warning (location, g->location);
g->location = location;
}
/* Return address of the location information for statement G. */
static inline location_t *
gimple_location_ptr (gimple *g)
{
return &g->location;
}
/* Return true if G contains location information. */
static inline bool
gimple_has_location (const gimple *g)
{
return LOCATION_LOCUS (gimple_location (g)) != UNKNOWN_LOCATION;
}
/* Return non-artificial location information for statement G. */
static inline location_t
gimple_nonartificial_location (const gimple *g)
{
location_t *ploc = NULL;
if (tree block = gimple_block (g))
ploc = block_nonartificial_location (block);
return ploc ? *ploc : gimple_location (g);
}
/* Return the file name of the location of STMT. */
static inline const char *
gimple_filename (const gimple *stmt)
{
return LOCATION_FILE (gimple_location (stmt));
}
/* Return the line number of the location of STMT. */
static inline int
gimple_lineno (const gimple *stmt)
{
return LOCATION_LINE (gimple_location (stmt));
}
/* Determine whether SEQ is a singleton. */
static inline bool
gimple_seq_singleton_p (gimple_seq seq)
{
return ((gimple_seq_first (seq) != NULL)
&& (gimple_seq_first (seq) == gimple_seq_last (seq)));
}
/* Return true if no warnings should be emitted for statement STMT. */
static inline bool
gimple_no_warning_p (const gimple *stmt)
{
return stmt->no_warning;
}
/* Set the no_warning flag of STMT to NO_WARNING. */
static inline void
gimple_set_no_warning (gimple *stmt, bool no_warning)
{
stmt->no_warning = (unsigned) no_warning;
}
/* Set the visited status on statement STMT to VISITED_P.
Please note that this 'visited' property of the gimple statement is
supposed to be undefined at pass boundaries. This means that a
given pass should not assume it contains any useful value when the
pass starts and thus can set it to any value it sees fit.
You can learn more about the visited property of the gimple
statement by reading the comments of the 'visited' data member of
struct gimple.
*/
static inline void
gimple_set_visited (gimple *stmt, bool visited_p)
{
stmt->visited = (unsigned) visited_p;
}
/* Return the visited status for statement STMT.
Please note that this 'visited' property of the gimple statement is
supposed to be undefined at pass boundaries. This means that a
given pass should not assume it contains any useful value when the
pass starts and thus can set it to any value it sees fit.
You can learn more about the visited property of the gimple
statement by reading the comments of the 'visited' data member of
struct gimple. */
static inline bool
gimple_visited_p (gimple *stmt)
{
return stmt->visited;
}
/* Set pass local flag PLF on statement STMT to VAL_P.
Please note that this PLF property of the gimple statement is
supposed to be undefined at pass boundaries. This means that a
given pass should not assume it contains any useful value when the
pass starts and thus can set it to any value it sees fit.
You can learn more about the PLF property by reading the comment of
the 'plf' data member of struct gimple_statement_structure. */
static inline void
gimple_set_plf (gimple *stmt, enum plf_mask plf, bool val_p)
{
if (val_p)
stmt->plf |= (unsigned int) plf;
else
stmt->plf &= ~((unsigned int) plf);
}
/* Return the value of pass local flag PLF on statement STMT.
Please note that this 'plf' property of the gimple statement is
supposed to be undefined at pass boundaries. This means that a
given pass should not assume it contains any useful value when the
pass starts and thus can set it to any value it sees fit.
You can learn more about the plf property by reading the comment of
the 'plf' data member of struct gimple_statement_structure. */
static inline unsigned int
gimple_plf (gimple *stmt, enum plf_mask plf)
{
return stmt->plf & ((unsigned int) plf);
}
/* Set the UID of statement.
Please note that this UID property is supposed to be undefined at
pass boundaries. This means that a given pass should not assume it
contains any useful value when the pass starts and thus can set it
to any value it sees fit. */
static inline void
gimple_set_uid (gimple *g, unsigned uid)
{
g->uid = uid;
}
/* Return the UID of statement.
Please note that this UID property is supposed to be undefined at
pass boundaries. This means that a given pass should not assume it
contains any useful value when the pass starts and thus can set it
to any value it sees fit. */
static inline unsigned
gimple_uid (const gimple *g)
{
return g->uid;
}
/* Make statement G a singleton sequence. */
static inline void
gimple_init_singleton (gimple *g)
{
g->next = NULL;
g->prev = g;
}
/* Return true if GIMPLE statement G has register or memory operands. */
static inline bool
gimple_has_ops (const gimple *g)
{
return gimple_code (g) >= GIMPLE_COND && gimple_code (g) <= GIMPLE_RETURN;
}
template <>
template <>
inline bool
is_a_helper <const gimple_statement_with_ops *>::test (const gimple *gs)
{
return gimple_has_ops (gs);
}
template <>
template <>
inline bool
is_a_helper <gimple_statement_with_ops *>::test (gimple *gs)
{
return gimple_has_ops (gs);
}
/* Return true if GIMPLE statement G has memory operands. */
static inline bool
gimple_has_mem_ops (const gimple *g)
{
return gimple_code (g) >= GIMPLE_ASSIGN && gimple_code (g) <= GIMPLE_RETURN;
}
template <>
template <>
inline bool
is_a_helper <const gimple_statement_with_memory_ops *>::test (const gimple *gs)
{
return gimple_has_mem_ops (gs);
}
template <>
template <>
inline bool
is_a_helper <gimple_statement_with_memory_ops *>::test (gimple *gs)
{
return gimple_has_mem_ops (gs);
}
/* Return the set of USE operands for statement G. */
static inline struct use_optype_d *
gimple_use_ops (const gimple *g)
{
const gimple_statement_with_ops *ops_stmt =
dyn_cast <const gimple_statement_with_ops *> (g);
if (!ops_stmt)
return NULL;
return ops_stmt->use_ops;
}
/* Set USE to be the set of USE operands for statement G. */
static inline void
gimple_set_use_ops (gimple *g, struct use_optype_d *use)
{
gimple_statement_with_ops *ops_stmt =
as_a <gimple_statement_with_ops *> (g);
ops_stmt->use_ops = use;
}
/* Return the single VUSE operand of the statement G. */
static inline tree
gimple_vuse (const gimple *g)
{
const gimple_statement_with_memory_ops *mem_ops_stmt =
dyn_cast <const gimple_statement_with_memory_ops *> (g);
if (!mem_ops_stmt)
return NULL_TREE;
return mem_ops_stmt->vuse;
}
/* Return the single VDEF operand of the statement G. */
static inline tree
gimple_vdef (const gimple *g)
{
const gimple_statement_with_memory_ops *mem_ops_stmt =
dyn_cast <const gimple_statement_with_memory_ops *> (g);
if (!mem_ops_stmt)
return NULL_TREE;
return mem_ops_stmt->vdef;
}
/* Return the single VUSE operand of the statement G. */
static inline tree *
gimple_vuse_ptr (gimple *g)
{
gimple_statement_with_memory_ops *mem_ops_stmt =
dyn_cast <gimple_statement_with_memory_ops *> (g);
if (!mem_ops_stmt)
return NULL;
return &mem_ops_stmt->vuse;
}
/* Return the single VDEF operand of the statement G. */
static inline tree *
gimple_vdef_ptr (gimple *g)
{
gimple_statement_with_memory_ops *mem_ops_stmt =
dyn_cast <gimple_statement_with_memory_ops *> (g);
if (!mem_ops_stmt)
return NULL;
return &mem_ops_stmt->vdef;
}
/* Set the single VUSE operand of the statement G. */
static inline void
gimple_set_vuse (gimple *g, tree vuse)
{
gimple_statement_with_memory_ops *mem_ops_stmt =
as_a <gimple_statement_with_memory_ops *> (g);
mem_ops_stmt->vuse = vuse;
}
/* Set the single VDEF operand of the statement G. */
static inline void
gimple_set_vdef (gimple *g, tree vdef)
{
gimple_statement_with_memory_ops *mem_ops_stmt =
as_a <gimple_statement_with_memory_ops *> (g);
mem_ops_stmt->vdef = vdef;
}
/* Return true if statement G has operands and the modified field has
been set. */
static inline bool
gimple_modified_p (const gimple *g)
{
return (gimple_has_ops (g)) ? (bool) g->modified : false;
}
/* Set the MODIFIED flag to MODIFIEDP, iff the gimple statement G has
a MODIFIED field. */
static inline void
gimple_set_modified (gimple *s, bool modifiedp)
{
if (gimple_has_ops (s))
s->modified = (unsigned) modifiedp;
}
/* Return true if statement STMT contains volatile operands. */
static inline bool
gimple_has_volatile_ops (const gimple *stmt)
{
if (gimple_has_mem_ops (stmt))
return stmt->has_volatile_ops;
else
return false;
}
/* Set the HAS_VOLATILE_OPS flag to VOLATILEP. */
static inline void
gimple_set_has_volatile_ops (gimple *stmt, bool volatilep)
{
if (gimple_has_mem_ops (stmt))
stmt->has_volatile_ops = (unsigned) volatilep;
}
/* Return true if STMT is in a transaction. */
static inline bool
gimple_in_transaction (const gimple *stmt)
{
return bb_in_transaction (gimple_bb (stmt));
}
/* Return true if statement STMT may access memory. */
static inline bool
gimple_references_memory_p (gimple *stmt)
{
return gimple_has_mem_ops (stmt) && gimple_vuse (stmt);
}
/* Return the subcode for OMP statement S. */
static inline unsigned
gimple_omp_subcode (const gimple *s)
{
gcc_gimple_checking_assert (gimple_code (s) >= GIMPLE_OMP_ATOMIC_LOAD
&& gimple_code (s) <= GIMPLE_OMP_TEAMS);
return s->subcode;
}
/* Set the subcode for OMP statement S to SUBCODE. */
static inline void
gimple_omp_set_subcode (gimple *s, unsigned int subcode)
{
/* We only have 16 bits for the subcode. Assert that we are not
overflowing it. */
gcc_gimple_checking_assert (subcode < (1 << 16));
s->subcode = subcode;
}
/* Set the nowait flag on OMP_RETURN statement S. */
static inline void
gimple_omp_return_set_nowait (gimple *s)
{
GIMPLE_CHECK (s, GIMPLE_OMP_RETURN);
s->subcode |= GF_OMP_RETURN_NOWAIT;
}
/* Return true if OMP return statement G has the GF_OMP_RETURN_NOWAIT
flag set. */
static inline bool
gimple_omp_return_nowait_p (const gimple *g)
{
GIMPLE_CHECK (g, GIMPLE_OMP_RETURN);
return (gimple_omp_subcode (g) & GF_OMP_RETURN_NOWAIT) != 0;
}
/* Set the LHS of OMP return. */
static inline void
gimple_omp_return_set_lhs (gimple *g, tree lhs)
{
gimple_statement_omp_return *omp_return_stmt =
as_a <gimple_statement_omp_return *> (g);
omp_return_stmt->val = lhs;
}
/* Get the LHS of OMP return. */
static inline tree
gimple_omp_return_lhs (const gimple *g)
{
const gimple_statement_omp_return *omp_return_stmt =
as_a <const gimple_statement_omp_return *> (g);
return omp_return_stmt->val;
}
/* Return a pointer to the LHS of OMP return. */
static inline tree *
gimple_omp_return_lhs_ptr (gimple *g)
{
gimple_statement_omp_return *omp_return_stmt =
as_a <gimple_statement_omp_return *> (g);
return &omp_return_stmt->val;
}
/* Return true if OMP section statement G has the GF_OMP_SECTION_LAST
flag set. */
static inline bool
gimple_omp_section_last_p (const gimple *g)
{
GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
return (gimple_omp_subcode (g) & GF_OMP_SECTION_LAST) != 0;
}
/* Set the GF_OMP_SECTION_LAST flag on G. */
static inline void
gimple_omp_section_set_last (gimple *g)
{
GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
g->subcode |= GF_OMP_SECTION_LAST;
}
/* Return true if OMP parallel statement G has the
GF_OMP_PARALLEL_COMBINED flag set. */
static inline bool
gimple_omp_parallel_combined_p (const gimple *g)
{
GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
return (gimple_omp_subcode (g) & GF_OMP_PARALLEL_COMBINED) != 0;
}
/* Set the GF_OMP_PARALLEL_COMBINED field in G depending on the boolean
value of COMBINED_P. */
static inline void
gimple_omp_parallel_set_combined_p (gimple *g, bool combined_p)
{
GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
if (combined_p)
g->subcode |= GF_OMP_PARALLEL_COMBINED;
else
g->subcode &= ~GF_OMP_PARALLEL_COMBINED;
}
/* Return true if OMP atomic load/store statement G has the
GF_OMP_ATOMIC_NEED_VALUE flag set. */
static inline bool
gimple_omp_atomic_need_value_p (const gimple *g)
{
if (gimple_code (g) != GIMPLE_OMP_ATOMIC_LOAD)
GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
return (gimple_omp_subcode (g) & GF_OMP_ATOMIC_NEED_VALUE) != 0;
}
/* Set the GF_OMP_ATOMIC_NEED_VALUE flag on G. */
static inline void
gimple_omp_atomic_set_need_value (gimple *g)
{
if (gimple_code (g) != GIMPLE_OMP_ATOMIC_LOAD)
GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
g->subcode |= GF_OMP_ATOMIC_NEED_VALUE;
}
/* Return true if OMP atomic load/store statement G has the
GF_OMP_ATOMIC_WEAK flag set. */
static inline bool
gimple_omp_atomic_weak_p (const gimple *g)
{
if (gimple_code (g) != GIMPLE_OMP_ATOMIC_LOAD)
GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
return (gimple_omp_subcode (g) & GF_OMP_ATOMIC_WEAK) != 0;
}
/* Set the GF_OMP_ATOMIC_WEAK flag on G. */
static inline void
gimple_omp_atomic_set_weak (gimple *g)
{
if (gimple_code (g) != GIMPLE_OMP_ATOMIC_LOAD)
GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
g->subcode |= GF_OMP_ATOMIC_WEAK;
}
/* Return the memory order of the OMP atomic load/store statement G. */
static inline enum omp_memory_order
gimple_omp_atomic_memory_order (const gimple *g)
{
if (gimple_code (g) != GIMPLE_OMP_ATOMIC_LOAD)
GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
return (enum omp_memory_order)
(gimple_omp_subcode (g) & GF_OMP_ATOMIC_MEMORY_ORDER);
}
/* Set the memory order on G. */
static inline void
gimple_omp_atomic_set_memory_order (gimple *g, enum omp_memory_order mo)
{
if (gimple_code (g) != GIMPLE_OMP_ATOMIC_LOAD)
GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
g->subcode = ((g->subcode & ~GF_OMP_ATOMIC_MEMORY_ORDER)
| (mo & GF_OMP_ATOMIC_MEMORY_ORDER));
}
/* Return the number of operands for statement GS. */
static inline unsigned
gimple_num_ops (const gimple *gs)
{
return gs->num_ops;
}
/* Set the number of operands for statement GS. */
static inline void
gimple_set_num_ops (gimple *gs, unsigned num_ops)
{
gs->num_ops = num_ops;
}
/* Return the array of operands for statement GS. */
static inline tree *
gimple_ops (gimple *gs)
{
size_t off;
/* All the tuples have their operand vector at the very bottom
of the structure. Note that those structures that do not
have an operand vector have a zero offset. */
off = gimple_ops_offset_[gimple_statement_structure (gs)];
gcc_gimple_checking_assert (off != 0);
return (tree *) ((char *) gs + off);
}
/* Return operand I for statement GS. */
static inline tree
gimple_op (const gimple *gs, unsigned i)
{
if (gimple_has_ops (gs))
{
gcc_gimple_checking_assert (i < gimple_num_ops (gs));
return gimple_ops (CONST_CAST_GIMPLE (gs))[i];
}
else
return NULL_TREE;
}
/* Return a pointer to operand I for statement GS. */
static inline tree *
gimple_op_ptr (gimple *gs, unsigned i)
{
if (gimple_has_ops (gs))
{
gcc_gimple_checking_assert (i < gimple_num_ops (gs));
return gimple_ops (gs) + i;
}
else
return NULL;
}
/* Set operand I of statement GS to OP. */
static inline void
gimple_set_op (gimple *gs, unsigned i, tree op)
{
gcc_gimple_checking_assert (gimple_has_ops (gs) && i < gimple_num_ops (gs));
/* Note. It may be tempting to assert that OP matches
is_gimple_operand, but that would be wrong. Different tuples
accept slightly different sets of tree operands. Each caller
should perform its own validation. */
gimple_ops (gs)[i] = op;
}
/* Return true if GS is a GIMPLE_ASSIGN. */
static inline bool
is_gimple_assign (const gimple *gs)
{
return gimple_code (gs) == GIMPLE_ASSIGN;
}
/* Determine if expression CODE is one of the valid expressions that can
be used on the RHS of GIMPLE assignments. */
static inline enum gimple_rhs_class
get_gimple_rhs_class (enum tree_code code)
{
return (enum gimple_rhs_class) gimple_rhs_class_table[(int) code];
}
/* Return the LHS of assignment statement GS. */
static inline tree
gimple_assign_lhs (const gassign *gs)
{
return gs->op[0];
}
static inline tree
gimple_assign_lhs (const gimple *gs)
{
const gassign *ass = GIMPLE_CHECK2<const gassign *> (gs);
return gimple_assign_lhs (ass);
}
/* Return a pointer to the LHS of assignment statement GS. */
static inline tree *
gimple_assign_lhs_ptr (gassign *gs)
{
return &gs->op[0];
}
static inline tree *
gimple_assign_lhs_ptr (gimple *gs)
{
gassign *ass = GIMPLE_CHECK2<gassign *> (gs);
return gimple_assign_lhs_ptr (ass);
}
/* Set LHS to be the LHS operand of assignment statement GS. */
static inline void
gimple_assign_set_lhs (gassign *gs, tree lhs)
{
gs->op[0] = lhs;
if (lhs && TREE_CODE (lhs) == SSA_NAME)
SSA_NAME_DEF_STMT (lhs) = gs;
}
static inline void
gimple_assign_set_lhs (gimple *gs, tree lhs)
{
gassign *ass = GIMPLE_CHECK2<gassign *> (gs);
gimple_assign_set_lhs (ass, lhs);
}
/* Return the first operand on the RHS of assignment statement GS. */
static inline tree
gimple_assign_rhs1 (const gassign *gs)
{
return gs->op[1];
}
static inline tree
gimple_assign_rhs1 (const gimple *gs)
{
const gassign *ass = GIMPLE_CHECK2<const gassign *> (gs);
return gimple_assign_rhs1 (ass);
}
/* Return a pointer to the first operand on the RHS of assignment
statement GS. */
static inline tree *
gimple_assign_rhs1_ptr (gassign *gs)
{
return &gs->op[1];
}
static inline tree *
gimple_assign_rhs1_ptr (gimple *gs)
{
gassign *ass = GIMPLE_CHECK2<gassign *> (gs);
return gimple_assign_rhs1_ptr (ass);
}
/* Set RHS to be the first operand on the RHS of assignment statement GS. */
static inline void
gimple_assign_set_rhs1 (gassign *gs, tree rhs)
{
gs->op[1] = rhs;
}
static inline void
gimple_assign_set_rhs1 (gimple *gs, tree rhs)
{
gassign *ass = GIMPLE_CHECK2<gassign *> (gs);
gimple_assign_set_rhs1 (ass, rhs);
}
/* Return the second operand on the RHS of assignment statement GS.
If GS does not have two operands, NULL is returned instead. */
static inline tree
gimple_assign_rhs2 (const gassign *gs)
{
if (gimple_num_ops (gs) >= 3)
return gs->op[2];
else
return NULL_TREE;
}
static inline tree
gimple_assign_rhs2 (const gimple *gs)
{
const gassign *ass = GIMPLE_CHECK2<const gassign *> (gs);
return gimple_assign_rhs2 (ass);
}
/* Return a pointer to the second operand on the RHS of assignment
statement GS. */
static inline tree *
gimple_assign_rhs2_ptr (gassign *gs)
{
gcc_gimple_checking_assert (gimple_num_ops (gs) >= 3);
return &gs->op[2];
}
static inline tree *
gimple_assign_rhs2_ptr (gimple *gs)
{
gassign *ass = GIMPLE_CHECK2<gassign *> (gs);
return gimple_assign_rhs2_ptr (ass);
}
/* Set RHS to be the second operand on the RHS of assignment statement GS. */
static inline void
gimple_assign_set_rhs2 (gassign *gs, tree rhs)
{
gcc_gimple_checking_assert (gimple_num_ops (gs) >= 3);
gs->op[2] = rhs;
}
static inline void
gimple_assign_set_rhs2 (gimple *gs, tree rhs)
{
gassign *ass = GIMPLE_CHECK2<gassign *> (gs);
return gimple_assign_set_rhs2 (ass, rhs);
}
/* Return the third operand on the RHS of assignment statement GS.
If GS does not have two operands, NULL is returned instead. */
static inline tree
gimple_assign_rhs3 (const gassign *gs)
{
if (gimple_num_ops (gs) >= 4)
return gs->op[3];
else
return NULL_TREE;
}
static inline tree
gimple_assign_rhs3 (const gimple *gs)
{
const gassign *ass = GIMPLE_CHECK2<const gassign *> (gs);
return gimple_assign_rhs3 (ass);
}
/* Return a pointer to the third operand on the RHS of assignment
statement GS. */
static inline tree *
gimple_assign_rhs3_ptr (gimple *gs)
{
gassign *ass = GIMPLE_CHECK2<gassign *> (gs);
gcc_gimple_checking_assert (gimple_num_ops (gs) >= 4);
return &ass->op[3];
}
/* Set RHS to be the third operand on the RHS of assignment statement GS. */
static inline void
gimple_assign_set_rhs3 (gassign *gs, tree rhs)
{
gcc_gimple_checking_assert (gimple_num_ops (gs) >= 4);
gs->op[3] = rhs;
}
static inline void
gimple_assign_set_rhs3 (gimple *gs, tree rhs)
{
gassign *ass = GIMPLE_CHECK2<gassign *> (gs);
gimple_assign_set_rhs3 (ass, rhs);
}
/* A wrapper around 3 operand gimple_assign_set_rhs_with_ops, for callers
which expect to see only two operands. */
static inline void
gimple_assign_set_rhs_with_ops (gimple_stmt_iterator *gsi, enum tree_code code,
tree op1, tree op2)
{
gimple_assign_set_rhs_with_ops (gsi, code, op1, op2, NULL);
}
/* A wrapper around 3 operand gimple_assign_set_rhs_with_ops, for callers
which expect to see only one operands. */
static inline void
gimple_assign_set_rhs_with_ops (gimple_stmt_iterator *gsi, enum tree_code code,
tree op1)
{
gimple_assign_set_rhs_with_ops (gsi, code, op1, NULL, NULL);
}
/* Returns true if GS is a nontemporal move. */
static inline bool
gimple_assign_nontemporal_move_p (const gassign *gs)
{
return gs->nontemporal_move;
}
/* Sets nontemporal move flag of GS to NONTEMPORAL. */
static inline void
gimple_assign_set_nontemporal_move (gimple *gs, bool nontemporal)
{
GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
gs->nontemporal_move = nontemporal;
}
/* Return the code of the expression computed on the rhs of assignment
statement GS. In case that the RHS is a single object, returns the
tree code of the object. */
static inline enum tree_code
gimple_assign_rhs_code (const gassign *gs)
{
enum tree_code code = (enum tree_code) gs->subcode;
/* While we initially set subcode to the TREE_CODE of the rhs for
GIMPLE_SINGLE_RHS assigns we do not update that subcode to stay
in sync when we rewrite stmts into SSA form or do SSA propagations. */
if (get_gimple_rhs_class (code) == GIMPLE_SINGLE_RHS)
code = TREE_CODE (gs->op[1]);
return code;
}
static inline enum tree_code
gimple_assign_rhs_code (const gimple *gs)
{
const gassign *ass = GIMPLE_CHECK2<const gassign *> (gs);
return gimple_assign_rhs_code (ass);
}
/* Set CODE to be the code for the expression computed on the RHS of
assignment S. */
static inline void
gimple_assign_set_rhs_code (gimple *s, enum tree_code code)
{
GIMPLE_CHECK (s, GIMPLE_ASSIGN);
s->subcode = code;
}
/* Return the gimple rhs class of the code of the expression computed on
the rhs of assignment statement GS.
This will never return GIMPLE_INVALID_RHS. */
static inline enum gimple_rhs_class
gimple_assign_rhs_class (const gimple *gs)
{
return get_gimple_rhs_class (gimple_assign_rhs_code (gs));
}
/* Return true if GS is an assignment with a singleton RHS, i.e.,
there is no operator associated with the assignment itself.
Unlike gimple_assign_copy_p, this predicate returns true for
any RHS operand, including those that perform an operation
and do not have the semantics of a copy, such as COND_EXPR. */
static inline bool
gimple_assign_single_p (const gimple *gs)
{
return (is_gimple_assign (gs)
&& gimple_assign_rhs_class (gs) == GIMPLE_SINGLE_RHS);
}
/* Return true if GS performs a store to its lhs. */
static inline bool
gimple_store_p (const gimple *gs)
{
tree lhs = gimple_get_lhs (gs);
return lhs && !is_gimple_reg (lhs);
}
/* Return true if GS is an assignment that loads from its rhs1. */
static inline bool
gimple_assign_load_p (const gimple *gs)
{
tree rhs;
if (!gimple_assign_single_p (gs))
return false;
rhs = gimple_assign_rhs1 (gs);
if (TREE_CODE (rhs) == WITH_SIZE_EXPR)
return true;
rhs = get_base_address (rhs);
return (DECL_P (rhs)
|| TREE_CODE (rhs) == MEM_REF || TREE_CODE (rhs) == TARGET_MEM_REF);
}
/* Return true if S is a type-cast assignment. */
static inline bool
gimple_assign_cast_p (const gimple *s)
{
if (is_gimple_assign (s))
{
enum tree_code sc = gimple_assign_rhs_code (s);
return CONVERT_EXPR_CODE_P (sc)
|| sc == VIEW_CONVERT_EXPR
|| sc == FIX_TRUNC_EXPR;
}
return false;
}
/* Return true if S is a clobber statement. */
static inline bool
gimple_clobber_p (const gimple *s)
{
return gimple_assign_single_p (s)
&& TREE_CLOBBER_P (gimple_assign_rhs1 (s));
}
/* Return true if S is a clobber statement. */
static inline bool
gimple_clobber_p (const gimple *s, enum clobber_kind kind)
{
return gimple_clobber_p (s)
&& CLOBBER_KIND (gimple_assign_rhs1 (s)) == kind;
}
/* Return true if GS is a GIMPLE_CALL. */
static inline bool
is_gimple_call (const gimple *gs)
{
return gimple_code (gs) == GIMPLE_CALL;
}
/* Return the LHS of call statement GS. */
static inline tree
gimple_call_lhs (const gcall *gs)
{
return gs->op[0];
}
static inline tree
gimple_call_lhs (const gimple *gs)
{
const gcall *gc = GIMPLE_CHECK2<const gcall *> (gs);
return gimple_call_lhs (gc);
}
/* Return a pointer to the LHS of call statement GS. */
static inline tree *
gimple_call_lhs_ptr (gcall *gs)
{
return &gs->op[0];
}
static inline tree *
gimple_call_lhs_ptr (gimple *gs)
{
gcall *gc = GIMPLE_CHECK2<gcall *> (gs);
return gimple_call_lhs_ptr (gc);
}
/* Set LHS to be the LHS operand of call statement GS. */
static inline void
gimple_call_set_lhs (gcall *gs, tree lhs)
{
gs->op[0] = lhs;
if (lhs && TREE_CODE (lhs) == SSA_NAME)
SSA_NAME_DEF_STMT (lhs) = gs;
}
static inline void
gimple_call_set_lhs (gimple *gs, tree lhs)
{
gcall *gc = GIMPLE_CHECK2<gcall *> (gs);
gimple_call_set_lhs (gc, lhs);
}
/* Return true if call GS calls an internal-only function, as enumerated
by internal_fn. */
static inline bool
gimple_call_internal_p (const gcall *gs)
{
return (gs->subcode & GF_CALL_INTERNAL) != 0;
}
static inline bool
gimple_call_internal_p (const gimple *gs)
{
const gcall *gc = GIMPLE_CHECK2<const gcall *> (gs);
return gimple_call_internal_p (gc);
}
/* Return true if call GS is marked as nocf_check. */
static inline bool
gimple_call_nocf_check_p (const gcall *gs)
{
return (gs->subcode & GF_CALL_NOCF_CHECK) != 0;
}
/* Mark statement GS as nocf_check call. */
static inline void
gimple_call_set_nocf_check (gcall *gs, bool nocf_check)
{
if (nocf_check)
gs->subcode |= GF_CALL_NOCF_CHECK;
else
gs->subcode &= ~GF_CALL_NOCF_CHECK;
}
/* Return the target of internal call GS. */
static inline enum internal_fn
gimple_call_internal_fn (const gcall *gs)
{
gcc_gimple_checking_assert (gimple_call_internal_p (gs));
return gs->u.internal_fn;
}
static inline enum internal_fn
gimple_call_internal_fn (const gimple *gs)
{
const gcall *gc = GIMPLE_CHECK2<const gcall *> (gs);
return gimple_call_internal_fn (gc);
}
/* Return true, if this internal gimple call is unique. */
static inline bool
gimple_call_internal_unique_p (const gcall *gs)
{
return gimple_call_internal_fn (gs) == IFN_UNIQUE;
}
static inline bool
gimple_call_internal_unique_p (const gimple *gs)
{
const gcall *gc = GIMPLE_CHECK2<const gcall *> (gs);
return gimple_call_internal_unique_p (gc);
}
/* Return true if GS is an internal function FN. */
static inline bool
gimple_call_internal_p (const gimple *gs, internal_fn fn)
{
return (is_gimple_call (gs)
&& gimple_call_internal_p (gs)
&& gimple_call_internal_fn (gs) == fn);
}
/* If CTRL_ALTERING_P is true, mark GIMPLE_CALL S to be a stmt
that could alter control flow. */
static inline void
gimple_call_set_ctrl_altering (gcall *s, bool ctrl_altering_p)
{
if (ctrl_altering_p)
s->subcode |= GF_CALL_CTRL_ALTERING;
else
s->subcode &= ~GF_CALL_CTRL_ALTERING;
}
static inline void
gimple_call_set_ctrl_altering (gimple *s, bool ctrl_altering_p)
{
gcall *gc = GIMPLE_CHECK2<gcall *> (s);
gimple_call_set_ctrl_altering (gc, ctrl_altering_p);
}
/* Return true if call GS calls an func whose GF_CALL_CTRL_ALTERING
flag is set. Such call could not be a stmt in the middle of a bb. */
static inline bool
gimple_call_ctrl_altering_p (const gcall *gs)
{
return (gs->subcode & GF_CALL_CTRL_ALTERING) != 0;
}
static inline bool
gimple_call_ctrl_altering_p (const gimple *gs)
{
const gcall *gc = GIMPLE_CHECK2<const gcall *> (gs);
return gimple_call_ctrl_altering_p (gc);
}
/* Return the function type of the function called by GS. */
static inline tree
gimple_call_fntype (const gcall *gs)
{
if (gimple_call_internal_p (gs))
return NULL_TREE;
return gs->u.fntype;
}
static inline tree
gimple_call_fntype (const gimple *gs)
{
const gcall *call_stmt = GIMPLE_CHECK2<const gcall *> (gs);
return gimple_call_fntype (call_stmt);
}
/* Set the type of the function called by CALL_STMT to FNTYPE. */
static inline void
gimple_call_set_fntype (gcall *call_stmt, tree fntype)
{
gcc_gimple_checking_assert (!gimple_call_internal_p (call_stmt));
call_stmt->u.fntype = fntype;
}
/* Return the tree node representing the function called by call
statement GS. */
static inline tree
gimple_call_fn (const gcall *gs)
{
return gs->op[1];
}
static inline tree
gimple_call_fn (const gimple *gs)
{
const gcall *gc = GIMPLE_CHECK2<const gcall *> (gs);
return gimple_call_fn (gc);
}
/* Return a pointer to the tree node representing the function called by call
statement GS. */
static inline tree *
gimple_call_fn_ptr (gcall *gs)
{
return &gs->op[1];
}
static inline tree *
gimple_call_fn_ptr (gimple *gs)
{
gcall *gc = GIMPLE_CHECK2<gcall *> (gs);
return gimple_call_fn_ptr (gc);
}
/* Set FN to be the function called by call statement GS. */
static inline void
gimple_call_set_fn (gcall *gs, tree fn)
{
gcc_gimple_checking_assert (!gimple_call_internal_p (gs));
gs->op[1] = fn;
}
/* Set FNDECL to be the function called by call statement GS. */
static inline void
gimple_call_set_fndecl (gcall *gs, tree decl)
{
gcc_gimple_checking_assert (!gimple_call_internal_p (gs));
gs->op[1] = build1_loc (gimple_location (gs), ADDR_EXPR,
build_pointer_type (TREE_TYPE (decl)), decl);
}
static inline void
gimple_call_set_fndecl (gimple *gs, tree decl)
{
gcall *gc = GIMPLE_CHECK2<gcall *> (gs);
gimple_call_set_fndecl (gc, decl);
}
/* Set internal function FN to be the function called by call statement CALL_STMT. */
static inline void
gimple_call_set_internal_fn (gcall *call_stmt, enum internal_fn fn)
{
gcc_gimple_checking_assert (gimple_call_internal_p (call_stmt));
call_stmt->u.internal_fn = fn;
}
/* If a given GIMPLE_CALL's callee is a FUNCTION_DECL, return it.
Otherwise return NULL. This function is analogous to
get_callee_fndecl in tree land. */
static inline tree
gimple_call_fndecl (const gcall *gs)
{
return gimple_call_addr_fndecl (gimple_call_fn (gs));
}
static inline tree
gimple_call_fndecl (const gimple *gs)
{
const gcall *gc = GIMPLE_CHECK2<const gcall *> (gs);
return gimple_call_fndecl (gc);
}
/* Return the type returned by call statement GS. */
static inline tree
gimple_call_return_type (const gcall *gs)
{
tree type = gimple_call_fntype (gs);
if (type == NULL_TREE)
return TREE_TYPE (gimple_call_lhs (gs));
/* The type returned by a function is the type of its
function type. */
return TREE_TYPE (type);
}
/* Return the static chain for call statement GS. */
static inline tree
gimple_call_chain (const gcall *gs)
{
return gs->op[2];
}
static inline tree
gimple_call_chain (const gimple *gs)
{
const gcall *gc = GIMPLE_CHECK2<const gcall *> (gs);
return gimple_call_chain (gc);
}
/* Return a pointer to the static chain for call statement CALL_STMT. */
static inline tree *
gimple_call_chain_ptr (gcall *call_stmt)
{
return &call_stmt->op[2];
}
/* Set CHAIN to be the static chain for call statement CALL_STMT. */
static inline void
gimple_call_set_chain (gcall *call_stmt, tree chain)
{
call_stmt->op[2] = chain;
}
/* Return the number of arguments used by call statement GS. */
static inline unsigned
gimple_call_num_args (const gcall *gs)
{
return gimple_num_ops (gs) - 3;
}
static inline unsigned
gimple_call_num_args (const gimple *gs)
{
const gcall *gc = GIMPLE_CHECK2<const gcall *> (gs);
return gimple_call_num_args (gc);
}
/* Return the argument at position INDEX for call statement GS. */
static inline tree
gimple_call_arg (const gcall *gs, unsigned index)
{
gcc_gimple_checking_assert (gimple_num_ops (gs) > index + 3);
return gs->op[index + 3];
}
static inline tree
gimple_call_arg (const gimple *gs, unsigned index)
{
const gcall *gc = GIMPLE_CHECK2<const gcall *> (gs);
return gimple_call_arg (gc, index);
}
/* Return a pointer to the argument at position INDEX for call
statement GS. */
static inline tree *
gimple_call_arg_ptr (gcall *gs, unsigned index)
{
gcc_gimple_checking_assert (gimple_num_ops (gs) > index + 3);
return &gs->op[index + 3];
}
static inline tree *
gimple_call_arg_ptr (gimple *gs, unsigned index)
{
gcall *gc = GIMPLE_CHECK2<gcall *> (gs);
return gimple_call_arg_ptr (gc, index);
}
/* Set ARG to be the argument at position INDEX for call statement GS. */
static inline void
gimple_call_set_arg (gcall *gs, unsigned index, tree arg)
{
gcc_gimple_checking_assert (gimple_num_ops (gs) > index + 3);
gs->op[index + 3] = arg;
}
static inline void
gimple_call_set_arg (gimple *gs, unsigned index, tree arg)
{
gcall *gc = GIMPLE_CHECK2<gcall *> (gs);
gimple_call_set_arg (gc, index, arg);
}
/* If TAIL_P is true, mark call statement S as being a tail call
(i.e., a call just before the exit of a function). These calls are
candidate for tail call optimization. */
static inline void
gimple_call_set_tail (gcall *s, bool tail_p)
{
if (tail_p)
s->subcode |= GF_CALL_TAILCALL;
else
s->subcode &= ~GF_CALL_TAILCALL;
}
/* Return true if GIMPLE_CALL S is marked as a tail call. */
static inline bool
gimple_call_tail_p (const gcall *s)
{
return (s->subcode & GF_CALL_TAILCALL) != 0;
}
/* Mark (or clear) call statement S as requiring tail call optimization. */
static inline void
gimple_call_set_must_tail (gcall *s, bool must_tail_p)
{
if (must_tail_p)
s->subcode |= GF_CALL_MUST_TAIL_CALL;
else
s->subcode &= ~GF_CALL_MUST_TAIL_CALL;
}
/* Return true if call statement has been marked as requiring
tail call optimization. */
static inline bool
gimple_call_must_tail_p (const gcall *s)
{
return (s->subcode & GF_CALL_MUST_TAIL_CALL) != 0;
}
/* If RETURN_SLOT_OPT_P is true mark GIMPLE_CALL S as valid for return
slot optimization. This transformation uses the target of the call
expansion as the return slot for calls that return in memory. */
static inline void
gimple_call_set_return_slot_opt (gcall *s, bool return_slot_opt_p)
{
if (return_slot_opt_p)
s->subcode |= GF_CALL_RETURN_SLOT_OPT;
else
s->subcode &= ~GF_CALL_RETURN_SLOT_OPT;
}
/* Return true if S is marked for return slot optimization. */
static inline bool
gimple_call_return_slot_opt_p (const gcall *s)
{
return (s->subcode & GF_CALL_RETURN_SLOT_OPT) != 0;
}
/* If FROM_THUNK_P is true, mark GIMPLE_CALL S as being the jump from a
thunk to the thunked-to function. */
static inline void
gimple_call_set_from_thunk (gcall *s, bool from_thunk_p)
{
if (from_thunk_p)
s->subcode |= GF_CALL_FROM_THUNK;
else
s->subcode &= ~GF_CALL_FROM_THUNK;
}
/* Return true if GIMPLE_CALL S is a jump from a thunk. */
static inline bool
gimple_call_from_thunk_p (gcall *s)
{
return (s->subcode & GF_CALL_FROM_THUNK) != 0;
}
/* If FROM_NEW_OR_DELETE_P is true, mark GIMPLE_CALL S as being a call
to operator new or delete created from a new or delete expression. */
static inline void
gimple_call_set_from_new_or_delete (gcall *s, bool from_new_or_delete_p)
{
if (from_new_or_delete_p)
s->subcode |= GF_CALL_FROM_NEW_OR_DELETE;
else
s->subcode &= ~GF_CALL_FROM_NEW_OR_DELETE;
}
/* Return true if GIMPLE_CALL S is a call to operator new or delete from
from a new or delete expression. */
static inline bool
gimple_call_from_new_or_delete (const gcall *s)
{
return (s->subcode & GF_CALL_FROM_NEW_OR_DELETE) != 0;
}
/* If PASS_ARG_PACK_P is true, GIMPLE_CALL S is a stdarg call that needs the
argument pack in its argument list. */
static inline void
gimple_call_set_va_arg_pack (gcall *s, bool pass_arg_pack_p)
{
if (pass_arg_pack_p)
s->subcode |= GF_CALL_VA_ARG_PACK;
else
s->subcode &= ~GF_CALL_VA_ARG_PACK;
}
/* Return true if GIMPLE_CALL S is a stdarg call that needs the
argument pack in its argument list. */
static inline bool
gimple_call_va_arg_pack_p (const gcall *s)
{
return (s->subcode & GF_CALL_VA_ARG_PACK) != 0;
}
/* Return true if S is a noreturn call. */
static inline bool
gimple_call_noreturn_p (const gcall *s)
{
return (gimple_call_flags (s) & ECF_NORETURN) != 0;
}
static inline bool
gimple_call_noreturn_p (const gimple *s)