/* Gimple IR support functions.
- Copyright (C) 2007-2013 Free Software Foundation, Inc.
+ Copyright (C) 2007-2015 Free Software Foundation, Inc.
Contributed by Aldy Hernandez <aldyh@redhat.com>
This file is part of GCC.
#include "coretypes.h"
#include "tm.h"
#include "target.h"
+#include "alias.h"
+#include "symtab.h"
#include "tree.h"
-#include "ggc.h"
+#include "fold-const.h"
+#include "calls.h"
+#include "stmt.h"
+#include "stor-layout.h"
#include "hard-reg-set.h"
+#include "predict.h"
+#include "function.h"
+#include "dominance.h"
+#include "cfg.h"
#include "basic-block.h"
+#include "tree-ssa-alias.h"
+#include "internal-fn.h"
+#include "tree-eh.h"
+#include "gimple-expr.h"
+#include "gimple.h"
+#include "gimple-iterator.h"
+#include "gimple-walk.h"
#include "gimple.h"
#include "gimplify.h"
#include "diagnostic.h"
#include "demangle.h"
#include "langhooks.h"
#include "bitmap.h"
+#include "stringpool.h"
+#include "tree-ssanames.h"
+#include "lto-streamer.h"
+#include "cgraph.h"
+#include "gimple-ssa.h"
/* All the tuples have their operand vector (if present) at the very bottom
"everything else"
};
-/* Private API manipulation functions shared only with some
- other files. */
-extern void gimple_set_stored_syms (gimple, bitmap, bitmap_obstack *);
-extern void gimple_set_loaded_syms (gimple, bitmap, bitmap_obstack *);
-
/* Gimple tuple constructors.
Note: Any constructor taking a ``gimple_seq'' as a parameter, can
be passed a NULL to start with an empty sequence. */
static inline void
gimple_set_code (gimple g, enum gimple_code code)
{
- g->gsbase.code = code;
+ g->code = code;
}
/* Return the number of bytes needed to hold a GIMPLE statement with
gimple_alloc_sizes[(int) kind] += size;
}
- stmt = ggc_alloc_cleared_gimple_statement_d_stat (size PASS_MEM_STAT);
+ stmt = ggc_alloc_cleared_gimple_statement_stat (size PASS_MEM_STAT);
gimple_set_code (stmt, code);
gimple_set_num_ops (stmt, num_ops);
/* Do not call gimple_set_modified here as it has other side
effects and this tuple is still not completely built. */
- stmt->gsbase.modified = 1;
+ stmt->modified = 1;
gimple_init_singleton (stmt);
return stmt;
/* We only have 16 bits for the RHS code. Assert that we are not
overflowing it. */
gcc_assert (subcode < (1 << 16));
- g->gsbase.subcode = subcode;
+ g->subcode = subcode;
}
/* Build a GIMPLE_RETURN statement returning RETVAL. */
-gimple
+greturn *
gimple_build_return (tree retval)
{
- gimple s = gimple_build_with_ops (GIMPLE_RETURN, ERROR_MARK, 2);
+ greturn *s
+ = as_a <greturn *> (gimple_build_with_ops (GIMPLE_RETURN, ERROR_MARK,
+ 2));
if (retval)
gimple_return_set_retval (s, retval);
return s;
/* Reset alias information on call S. */
void
-gimple_call_reset_alias_info (gimple s)
+gimple_call_reset_alias_info (gcall *s)
{
if (gimple_call_flags (s) & ECF_CONST)
memset (gimple_call_use_set (s), 0, sizeof (struct pt_solution));
components of a GIMPLE_CALL statement to function FN with NARGS
arguments. */
-static inline gimple
+static inline gcall *
gimple_build_call_1 (tree fn, unsigned nargs)
{
- gimple s = gimple_build_with_ops (GIMPLE_CALL, ERROR_MARK, nargs + 3);
+ gcall *s
+ = as_a <gcall *> (gimple_build_with_ops (GIMPLE_CALL, ERROR_MARK,
+ nargs + 3));
if (TREE_CODE (fn) == FUNCTION_DECL)
fn = build_fold_addr_expr (fn);
gimple_set_op (s, 1, fn);
/* Build a GIMPLE_CALL statement to function FN with the arguments
specified in vector ARGS. */
-gimple
+gcall *
gimple_build_call_vec (tree fn, vec<tree> args)
{
unsigned i;
unsigned nargs = args.length ();
- gimple call = gimple_build_call_1 (fn, nargs);
+ gcall *call = gimple_build_call_1 (fn, nargs);
for (i = 0; i < nargs; i++)
gimple_call_set_arg (call, i, args[i]);
/* Build a GIMPLE_CALL statement to function FN. NARGS is the number of
arguments. The ... are the arguments. */
-gimple
+gcall *
gimple_build_call (tree fn, unsigned nargs, ...)
{
va_list ap;
- gimple call;
+ gcall *call;
unsigned i;
gcc_assert (TREE_CODE (fn) == FUNCTION_DECL || is_gimple_call_addr (fn));
/* Build a GIMPLE_CALL statement to function FN. NARGS is the number of
arguments. AP contains the arguments. */
-gimple
+gcall *
gimple_build_call_valist (tree fn, unsigned nargs, va_list ap)
{
- gimple call;
+ gcall *call;
unsigned i;
gcc_assert (TREE_CODE (fn) == FUNCTION_DECL || is_gimple_call_addr (fn));
Build the basic components of a GIMPLE_CALL statement to internal
function FN with NARGS arguments. */
-static inline gimple
+static inline gcall *
gimple_build_call_internal_1 (enum internal_fn fn, unsigned nargs)
{
- gimple s = gimple_build_with_ops (GIMPLE_CALL, ERROR_MARK, nargs + 3);
- s->gsbase.subcode |= GF_CALL_INTERNAL;
+ gcall *s
+ = as_a <gcall *> (gimple_build_with_ops (GIMPLE_CALL, ERROR_MARK,
+ nargs + 3));
+ s->subcode |= GF_CALL_INTERNAL;
gimple_call_set_internal_fn (s, fn);
gimple_call_reset_alias_info (s);
return s;
/* Build a GIMPLE_CALL statement to internal function FN. NARGS is
the number of arguments. The ... are the arguments. */
-gimple
+gcall *
gimple_build_call_internal (enum internal_fn fn, unsigned nargs, ...)
{
va_list ap;
- gimple call;
+ gcall *call;
unsigned i;
call = gimple_build_call_internal_1 (fn, nargs);
/* Build a GIMPLE_CALL statement to internal function FN with the arguments
specified in vector ARGS. */
-gimple
+gcall *
gimple_build_call_internal_vec (enum internal_fn fn, vec<tree> args)
{
unsigned i, nargs;
- gimple call;
+ gcall *call;
nargs = args.length ();
call = gimple_build_call_internal_1 (fn, nargs);
assumed to be in GIMPLE form already. Minimal checking is done of
this fact. */
-gimple
+gcall *
gimple_build_call_from_tree (tree t)
{
unsigned i, nargs;
- gimple call;
+ gcall *call;
tree fndecl = get_callee_fndecl (t);
gcc_assert (TREE_CODE (t) == CALL_EXPR);
gimple_call_set_va_arg_pack (call, CALL_EXPR_VA_ARG_PACK (t));
gimple_call_set_nothrow (call, TREE_NOTHROW (t));
gimple_set_no_warning (call, TREE_NO_WARNING (t));
+ gimple_call_set_with_bounds (call, CALL_WITH_BOUNDS_P (t));
return call;
}
-/* Return index of INDEX's non bound argument of the call. */
-
-unsigned
-gimple_call_get_nobnd_arg_index (const_gimple gs, unsigned index)
-{
- unsigned num_args = gimple_call_num_args (gs);
- for (unsigned n = 0; n < num_args; n++)
- {
- if (POINTER_BOUNDS_P (gimple_call_arg (gs, n)))
- continue;
- else if (index)
- index--;
- else
- return n;
- }
-
- gcc_unreachable ();
-}
-
-
/* Build a GIMPLE_ASSIGN statement.
LHS of the assignment.
RHS of the assignment which can be unary or binary. */
-gimple
-gimple_build_assign_stat (tree lhs, tree rhs MEM_STAT_DECL)
+gassign *
+gimple_build_assign (tree lhs, tree rhs MEM_STAT_DECL)
{
enum tree_code subcode;
tree op1, op2, op3;
extract_ops_from_tree_1 (rhs, &subcode, &op1, &op2, &op3);
- return gimple_build_assign_with_ops (subcode, lhs, op1, op2, op3
- PASS_MEM_STAT);
+ return gimple_build_assign (lhs, subcode, op1, op2, op3 PASS_MEM_STAT);
}
/* Build a GIMPLE_ASSIGN statement with subcode SUBCODE and operands
- OP1 and OP2. If OP2 is NULL then SUBCODE must be of class
- GIMPLE_UNARY_RHS or GIMPLE_SINGLE_RHS. */
+ OP1, OP2 and OP3. */
-gimple
-gimple_build_assign_with_ops (enum tree_code subcode, tree lhs, tree op1,
- tree op2, tree op3 MEM_STAT_DECL)
+static inline gassign *
+gimple_build_assign_1 (tree lhs, enum tree_code subcode, tree op1,
+ tree op2, tree op3 MEM_STAT_DECL)
{
unsigned num_ops;
- gimple p;
+ gassign *p;
/* Need 1 operand for LHS and 1 or 2 for the RHS (depending on the
code). */
num_ops = get_gimple_rhs_num_ops (subcode) + 1;
- p = gimple_build_with_ops_stat (GIMPLE_ASSIGN, (unsigned)subcode, num_ops
- PASS_MEM_STAT);
+ p = as_a <gassign *> (
+ gimple_build_with_ops_stat (GIMPLE_ASSIGN, (unsigned)subcode, num_ops
+ PASS_MEM_STAT));
gimple_assign_set_lhs (p, lhs);
gimple_assign_set_rhs1 (p, op1);
if (op2)
return p;
}
-gimple
-gimple_build_assign_with_ops (enum tree_code subcode, tree lhs, tree op1,
- tree op2 MEM_STAT_DECL)
+/* Build a GIMPLE_ASSIGN statement with subcode SUBCODE and operands
+ OP1, OP2 and OP3. */
+
+gassign *
+gimple_build_assign (tree lhs, enum tree_code subcode, tree op1,
+ tree op2, tree op3 MEM_STAT_DECL)
{
- return gimple_build_assign_with_ops (subcode, lhs, op1, op2, NULL_TREE
- PASS_MEM_STAT);
+ return gimple_build_assign_1 (lhs, subcode, op1, op2, op3 PASS_MEM_STAT);
+}
+
+/* Build a GIMPLE_ASSIGN statement with subcode SUBCODE and operands
+ OP1 and OP2. */
+
+gassign *
+gimple_build_assign (tree lhs, enum tree_code subcode, tree op1,
+ tree op2 MEM_STAT_DECL)
+{
+ return gimple_build_assign_1 (lhs, subcode, op1, op2, NULL_TREE
+ PASS_MEM_STAT);
+}
+
+/* Build a GIMPLE_ASSIGN statement with subcode SUBCODE and operand OP1. */
+
+gassign *
+gimple_build_assign (tree lhs, enum tree_code subcode, tree op1 MEM_STAT_DECL)
+{
+ return gimple_build_assign_1 (lhs, subcode, op1, NULL_TREE, NULL_TREE
+ PASS_MEM_STAT);
}
T_LABEL is the label to jump to if the condition is true.
F_LABEL is the label to jump to otherwise. */
-gimple
+gcond *
gimple_build_cond (enum tree_code pred_code, tree lhs, tree rhs,
tree t_label, tree f_label)
{
- gimple p;
+ gcond *p;
gcc_assert (TREE_CODE_CLASS (pred_code) == tcc_comparison);
- p = gimple_build_with_ops (GIMPLE_COND, pred_code, 4);
+ p = as_a <gcond *> (gimple_build_with_ops (GIMPLE_COND, pred_code, 4));
gimple_cond_set_lhs (p, lhs);
gimple_cond_set_rhs (p, rhs);
gimple_cond_set_true_label (p, t_label);
/* Build a GIMPLE_COND statement from the conditional expression tree
COND. T_LABEL and F_LABEL are as in gimple_build_cond. */
-gimple
+gcond *
gimple_build_cond_from_tree (tree cond, tree t_label, tree f_label)
{
enum tree_code code;
boolean expression tree COND. */
void
-gimple_cond_set_condition_from_tree (gimple stmt, tree cond)
+gimple_cond_set_condition_from_tree (gcond *stmt, tree cond)
{
enum tree_code code;
tree lhs, rhs;
/* Build a GIMPLE_LABEL statement for LABEL. */
-gimple
+glabel *
gimple_build_label (tree label)
{
- gimple p = gimple_build_with_ops (GIMPLE_LABEL, ERROR_MARK, 1);
+ glabel *p
+ = as_a <glabel *> (gimple_build_with_ops (GIMPLE_LABEL, ERROR_MARK, 1));
gimple_label_set_label (p, label);
return p;
}
/* Build a GIMPLE_GOTO statement to label DEST. */
-gimple
+ggoto *
gimple_build_goto (tree dest)
{
- gimple p = gimple_build_with_ops (GIMPLE_GOTO, ERROR_MARK, 1);
+ ggoto *p
+ = as_a <ggoto *> (gimple_build_with_ops (GIMPLE_GOTO, ERROR_MARK, 1));
gimple_goto_set_dest (p, dest);
return p;
}
VARS are the variables in BODY.
BLOCK is the containing block. */
-gimple
+gbind *
gimple_build_bind (tree vars, gimple_seq body, tree block)
{
- gimple p = gimple_alloc (GIMPLE_BIND, 0);
+ gbind *p = as_a <gbind *> (gimple_alloc (GIMPLE_BIND, 0));
gimple_bind_set_vars (p, vars);
if (body)
gimple_bind_set_body (p, body);
NCLOBBERS is the number of clobbered registers.
*/
-static inline gimple
+static inline gasm *
gimple_build_asm_1 (const char *string, unsigned ninputs, unsigned noutputs,
unsigned nclobbers, unsigned nlabels)
{
- gimple p;
+ gasm *p;
int size = strlen (string);
/* ASMs with labels cannot have outputs. This should have been
enforced by the front end. */
gcc_assert (nlabels == 0 || noutputs == 0);
- p = gimple_build_with_ops (GIMPLE_ASM, ERROR_MARK,
- ninputs + noutputs + nclobbers + nlabels);
+ p = as_a <gasm *> (
+ gimple_build_with_ops (GIMPLE_ASM, ERROR_MARK,
+ ninputs + noutputs + nclobbers + nlabels));
- p->gimple_asm.ni = ninputs;
- p->gimple_asm.no = noutputs;
- p->gimple_asm.nc = nclobbers;
- p->gimple_asm.nl = nlabels;
- p->gimple_asm.string = ggc_alloc_string (string, size);
+ p->ni = ninputs;
+ p->no = noutputs;
+ p->nc = nclobbers;
+ p->nl = nlabels;
+ p->string = ggc_alloc_string (string, size);
if (GATHER_STATISTICS)
gimple_alloc_sizes[(int) gimple_alloc_kind (GIMPLE_ASM)] += size;
CLOBBERS is a vector of the clobbered register parameters.
LABELS is a vector of destination labels. */
-gimple
+gasm *
gimple_build_asm_vec (const char *string, vec<tree, va_gc> *inputs,
vec<tree, va_gc> *outputs, vec<tree, va_gc> *clobbers,
vec<tree, va_gc> *labels)
{
- gimple p;
+ gasm *p;
unsigned i;
p = gimple_build_asm_1 (string,
TYPES are the catch types.
HANDLER is the exception handler. */
-gimple
+gcatch *
gimple_build_catch (tree types, gimple_seq handler)
{
- gimple p = gimple_alloc (GIMPLE_CATCH, 0);
+ gcatch *p = as_a <gcatch *> (gimple_alloc (GIMPLE_CATCH, 0));
gimple_catch_set_types (p, types);
if (handler)
gimple_catch_set_handler (p, handler);
TYPES are the filter's types.
FAILURE is the filter's failure action. */
-gimple
+geh_filter *
gimple_build_eh_filter (tree types, gimple_seq failure)
{
- gimple p = gimple_alloc (GIMPLE_EH_FILTER, 0);
+ geh_filter *p = as_a <geh_filter *> (gimple_alloc (GIMPLE_EH_FILTER, 0));
gimple_eh_filter_set_types (p, types);
if (failure)
gimple_eh_filter_set_failure (p, failure);
/* Build a GIMPLE_EH_MUST_NOT_THROW statement. */
-gimple
+geh_mnt *
gimple_build_eh_must_not_throw (tree decl)
{
- gimple p = gimple_alloc (GIMPLE_EH_MUST_NOT_THROW, 0);
+ geh_mnt *p = as_a <geh_mnt *> (gimple_alloc (GIMPLE_EH_MUST_NOT_THROW, 0));
gcc_assert (TREE_CODE (decl) == FUNCTION_DECL);
gcc_assert (flags_from_decl_or_type (decl) & ECF_NORETURN);
/* Build a GIMPLE_EH_ELSE statement. */
-gimple
+geh_else *
gimple_build_eh_else (gimple_seq n_body, gimple_seq e_body)
{
- gimple p = gimple_alloc (GIMPLE_EH_ELSE, 0);
+ geh_else *p = as_a <geh_else *> (gimple_alloc (GIMPLE_EH_ELSE, 0));
gimple_eh_else_set_n_body (p, n_body);
gimple_eh_else_set_e_body (p, e_body);
return p;
KIND is either GIMPLE_TRY_CATCH or GIMPLE_TRY_FINALLY depending on
whether this is a try/catch or a try/finally respectively. */
-gimple
+gtry *
gimple_build_try (gimple_seq eval, gimple_seq cleanup,
enum gimple_try_flags kind)
{
- gimple p;
+ gtry *p;
gcc_assert (kind == GIMPLE_TRY_CATCH || kind == GIMPLE_TRY_FINALLY);
- p = gimple_alloc (GIMPLE_TRY, 0);
+ p = as_a <gtry *> (gimple_alloc (GIMPLE_TRY, 0));
gimple_set_subcode (p, kind);
if (eval)
gimple_try_set_eval (p, eval);
/* Build a GIMPLE_RESX statement. */
-gimple
+gresx *
gimple_build_resx (int region)
{
- gimple p = gimple_build_with_ops (GIMPLE_RESX, ERROR_MARK, 0);
- p->gimple_eh_ctrl.region = region;
+ gresx *p
+ = as_a <gresx *> (gimple_build_with_ops (GIMPLE_RESX, ERROR_MARK, 0));
+ p->region = region;
return p;
}
NLABELS is the number of labels in the switch excluding the default.
DEFAULT_LABEL is the default label for the switch statement. */
-gimple
+gswitch *
gimple_build_switch_nlabels (unsigned nlabels, tree index, tree default_label)
{
/* nlabels + 1 default label + 1 index. */
gcc_checking_assert (default_label);
- gimple p = gimple_build_with_ops (GIMPLE_SWITCH, ERROR_MARK,
- 1 + 1 + nlabels);
+ gswitch *p = as_a <gswitch *> (gimple_build_with_ops (GIMPLE_SWITCH,
+ ERROR_MARK,
+ 1 + 1 + nlabels));
gimple_switch_set_index (p, index);
gimple_switch_set_default_label (p, default_label);
return p;
DEFAULT_LABEL is the default label
ARGS is a vector of labels excluding the default. */
-gimple
+gswitch *
gimple_build_switch (tree index, tree default_label, vec<tree> args)
{
unsigned i, nlabels = args.length ();
- gimple p = gimple_build_switch_nlabels (nlabels, index, default_label);
+ gswitch *p = gimple_build_switch_nlabels (nlabels, index, default_label);
/* Copy the labels from the vector to the switch statement. */
for (i = 0; i < nlabels; i++)
/* Build a GIMPLE_EH_DISPATCH statement. */
-gimple
+geh_dispatch *
gimple_build_eh_dispatch (int region)
{
- gimple p = gimple_build_with_ops (GIMPLE_EH_DISPATCH, ERROR_MARK, 0);
- p->gimple_eh_ctrl.region = region;
+ geh_dispatch *p
+ = as_a <geh_dispatch *> (
+ gimple_build_with_ops (GIMPLE_EH_DISPATCH, ERROR_MARK, 0));
+ p->region = region;
return p;
}
VAR is bound to VALUE; block and location are taken from STMT. */
-gimple
+gdebug *
gimple_build_debug_bind_stat (tree var, tree value, gimple stmt MEM_STAT_DECL)
{
- gimple p = gimple_build_with_ops_stat (GIMPLE_DEBUG,
- (unsigned)GIMPLE_DEBUG_BIND, 2
- PASS_MEM_STAT);
-
+ gdebug *p
+ = as_a <gdebug *> (gimple_build_with_ops_stat (GIMPLE_DEBUG,
+ (unsigned)GIMPLE_DEBUG_BIND, 2
+ PASS_MEM_STAT));
gimple_debug_bind_set_var (p, var);
gimple_debug_bind_set_value (p, value);
if (stmt)
VAR is bound to VALUE; block and location are taken from STMT. */
-gimple
+gdebug *
gimple_build_debug_source_bind_stat (tree var, tree value,
gimple stmt MEM_STAT_DECL)
{
- gimple p = gimple_build_with_ops_stat (GIMPLE_DEBUG,
- (unsigned)GIMPLE_DEBUG_SOURCE_BIND, 2
- PASS_MEM_STAT);
+ gdebug *p
+ = as_a <gdebug *> (
+ gimple_build_with_ops_stat (GIMPLE_DEBUG,
+ (unsigned)GIMPLE_DEBUG_SOURCE_BIND, 2
+ PASS_MEM_STAT));
gimple_debug_source_bind_set_var (p, var);
gimple_debug_source_bind_set_value (p, value);
BODY is the sequence of statements for which only one thread can execute.
NAME is optional identifier for this critical block. */
-gimple
+gomp_critical *
gimple_build_omp_critical (gimple_seq body, tree name)
{
- gimple p = gimple_alloc (GIMPLE_OMP_CRITICAL, 0);
+ gomp_critical *p
+ = as_a <gomp_critical *> (gimple_alloc (GIMPLE_OMP_CRITICAL, 0));
gimple_omp_critical_set_name (p, name);
if (body)
gimple_omp_set_body (p, body);
BODY is sequence of statements inside the for loop.
KIND is the `for' variant.
- CLAUSES, are any of the OMP loop construct's clauses: private, firstprivate,
- lastprivate, reductions, ordered, schedule, and nowait.
+ CLAUSES, are any of the construct's clauses.
COLLAPSE is the collapse count.
PRE_BODY is the sequence of statements that are loop invariant. */
-gimple
+gomp_for *
gimple_build_omp_for (gimple_seq body, int kind, tree clauses, size_t collapse,
gimple_seq pre_body)
{
- gimple p = gimple_alloc (GIMPLE_OMP_FOR, 0);
+ gomp_for *p = as_a <gomp_for *> (gimple_alloc (GIMPLE_OMP_FOR, 0));
if (body)
gimple_omp_set_body (p, body);
gimple_omp_for_set_clauses (p, clauses);
gimple_omp_for_set_kind (p, kind);
- p->gimple_omp_for.collapse = collapse;
- p->gimple_omp_for.iter
- = ggc_alloc_cleared_vec_gimple_omp_for_iter (collapse);
+ p->collapse = collapse;
+ p->iter = ggc_cleared_vec_alloc<gimple_omp_for_iter> (collapse);
+
if (pre_body)
gimple_omp_for_set_pre_body (p, pre_body);
CHILD_FN is the function created for the parallel threads to execute.
DATA_ARG are the shared data argument(s). */
-gimple
+gomp_parallel *
gimple_build_omp_parallel (gimple_seq body, tree clauses, tree child_fn,
tree data_arg)
{
- gimple p = gimple_alloc (GIMPLE_OMP_PARALLEL, 0);
+ gomp_parallel *p
+ = as_a <gomp_parallel *> (gimple_alloc (GIMPLE_OMP_PARALLEL, 0));
if (body)
gimple_omp_set_body (p, body);
gimple_omp_parallel_set_clauses (p, clauses);
COPY_FN is the optional function for firstprivate initialization.
ARG_SIZE and ARG_ALIGN are size and alignment of the data block. */
-gimple
+gomp_task *
gimple_build_omp_task (gimple_seq body, tree clauses, tree child_fn,
tree data_arg, tree copy_fn, tree arg_size,
tree arg_align)
{
- gimple p = gimple_alloc (GIMPLE_OMP_TASK, 0);
+ gomp_task *p = as_a <gomp_task *> (gimple_alloc (GIMPLE_OMP_TASK, 0));
if (body)
gimple_omp_set_body (p, body);
gimple_omp_task_set_clauses (p, clauses);
CONTROL_DEF is the definition of the control variable.
CONTROL_USE is the use of the control variable. */
-gimple
+gomp_continue *
gimple_build_omp_continue (tree control_def, tree control_use)
{
- gimple p = gimple_alloc (GIMPLE_OMP_CONTINUE, 0);
+ gomp_continue *p
+ = as_a <gomp_continue *> (gimple_alloc (GIMPLE_OMP_CONTINUE, 0));
gimple_omp_continue_set_control_def (p, control_def);
gimple_omp_continue_set_control_use (p, control_use);
return p;
CLAUSES are any of the OMP sections contsruct's clauses: private,
firstprivate, lastprivate, reduction, and nowait. */
-gimple
+gomp_sections *
gimple_build_omp_sections (gimple_seq body, tree clauses)
{
- gimple p = gimple_alloc (GIMPLE_OMP_SECTIONS, 0);
+ gomp_sections *p
+ = as_a <gomp_sections *> (gimple_alloc (GIMPLE_OMP_SECTIONS, 0));
if (body)
gimple_omp_set_body (p, body);
gimple_omp_sections_set_clauses (p, clauses);
CLAUSES are any of the OMP single construct's clauses: private, firstprivate,
copyprivate, nowait. */
-gimple
+gomp_single *
gimple_build_omp_single (gimple_seq body, tree clauses)
{
- gimple p = gimple_alloc (GIMPLE_OMP_SINGLE, 0);
+ gomp_single *p
+ = as_a <gomp_single *> (gimple_alloc (GIMPLE_OMP_SINGLE, 0));
if (body)
gimple_omp_set_body (p, body);
gimple_omp_single_set_clauses (p, clauses);
/* Build a GIMPLE_OMP_TARGET statement.
BODY is the sequence of statements that will be executed.
- CLAUSES are any of the OMP target construct's clauses. */
+ KIND is the kind of the region.
+ CLAUSES are any of the construct's clauses. */
-gimple
+gomp_target *
gimple_build_omp_target (gimple_seq body, int kind, tree clauses)
{
- gimple p = gimple_alloc (GIMPLE_OMP_TARGET, 0);
+ gomp_target *p
+ = as_a <gomp_target *> (gimple_alloc (GIMPLE_OMP_TARGET, 0));
if (body)
gimple_omp_set_body (p, body);
gimple_omp_target_set_clauses (p, clauses);
BODY is the sequence of statements that will be executed.
CLAUSES are any of the OMP teams construct's clauses. */
-gimple
+gomp_teams *
gimple_build_omp_teams (gimple_seq body, tree clauses)
{
- gimple p = gimple_alloc (GIMPLE_OMP_TEAMS, 0);
+ gomp_teams *p = as_a <gomp_teams *> (gimple_alloc (GIMPLE_OMP_TEAMS, 0));
if (body)
gimple_omp_set_body (p, body);
gimple_omp_teams_set_clauses (p, clauses);
/* Build a GIMPLE_OMP_ATOMIC_LOAD statement. */
-gimple
+gomp_atomic_load *
gimple_build_omp_atomic_load (tree lhs, tree rhs)
{
- gimple p = gimple_alloc (GIMPLE_OMP_ATOMIC_LOAD, 0);
+ gomp_atomic_load *p
+ = as_a <gomp_atomic_load *> (gimple_alloc (GIMPLE_OMP_ATOMIC_LOAD, 0));
gimple_omp_atomic_load_set_lhs (p, lhs);
gimple_omp_atomic_load_set_rhs (p, rhs);
return p;
VAL is the value we are storing. */
-gimple
+gomp_atomic_store *
gimple_build_omp_atomic_store (tree val)
{
- gimple p = gimple_alloc (GIMPLE_OMP_ATOMIC_STORE, 0);
+ gomp_atomic_store *p
+ = as_a <gomp_atomic_store *> (gimple_alloc (GIMPLE_OMP_ATOMIC_STORE, 0));
gimple_omp_atomic_store_set_val (p, val);
return p;
}
/* Build a GIMPLE_TRANSACTION statement. */
-gimple
+gtransaction *
gimple_build_transaction (gimple_seq body, tree label)
{
- gimple p = gimple_alloc (GIMPLE_TRANSACTION, 0);
+ gtransaction *p
+ = as_a <gtransaction *> (gimple_alloc (GIMPLE_TRANSACTION, 0));
gimple_transaction_set_body (p, body);
gimple_transaction_set_label (p, label);
return p;
gimple_code_name[code],
get_tree_code_name (subcode),
gimple_code_name[gimple_code (gs)],
- gs->gsbase.subcode > 0
- ? get_tree_code_name ((enum tree_code) gs->gsbase.subcode)
+ gs->subcode > 0
+ ? get_tree_code_name ((enum tree_code) gs->subcode)
: "",
function, trim_filename (file), line);
}
gsi_insert_seq_after (&si, src, GSI_NEW_STMT);
}
+/* Append sequence SRC to the end of sequence *DST_P. If *DST_P is
+ NULL, a new sequence is allocated. This function is
+ similar to gimple_seq_add_seq, but does not scan the operands. */
+
+void
+gimple_seq_add_seq_without_update (gimple_seq *dst_p, gimple_seq src)
+{
+ gimple_stmt_iterator si;
+ if (src == NULL)
+ return;
+
+ si = gsi_last (*dst_p);
+ gsi_insert_seq_after_without_update (&si, src, GSI_NEW_STMT);
+}
+
/* Determine whether to assign a location to the statement GS. */
static bool
{
if (gimple_code (stmt) == GIMPLE_NOP)
return true;
- if (gimple_code (stmt) == GIMPLE_BIND)
- return empty_body_p (gimple_bind_body (stmt));
+ if (gbind *bind_stmt = dyn_cast <gbind *> (stmt))
+ return empty_body_p (gimple_bind_body (bind_stmt));
return false;
}
}
-/* Walk all the statements in the sequence *PSEQ calling walk_gimple_stmt
- on each one. WI is as in walk_gimple_stmt.
-
- If walk_gimple_stmt returns non-NULL, the walk is stopped, and the
- value is stored in WI->CALLBACK_RESULT. Also, the statement that
- produced the value is returned if this statement has not been
- removed by a callback (wi->removed_stmt). If the statement has
- been removed, NULL is returned.
-
- Otherwise, all the statements are walked and NULL returned. */
-
-gimple
-walk_gimple_seq_mod (gimple_seq *pseq, walk_stmt_fn callback_stmt,
- walk_tree_fn callback_op, struct walk_stmt_info *wi)
-{
- gimple_stmt_iterator gsi;
-
- for (gsi = gsi_start (*pseq); !gsi_end_p (gsi); )
- {
- tree ret = walk_gimple_stmt (&gsi, callback_stmt, callback_op, wi);
- if (ret)
- {
- /* If CALLBACK_STMT or CALLBACK_OP return a value, WI must exist
- to hold it. */
- gcc_assert (wi);
- wi->callback_result = ret;
-
- return wi->removed_stmt ? NULL : gsi_stmt (gsi);
- }
-
- if (!wi->removed_stmt)
- gsi_next (&gsi);
- }
-
- if (wi)
- wi->callback_result = NULL_TREE;
-
- return NULL;
-}
-
-
-/* Like walk_gimple_seq_mod, but ensure that the head of SEQ isn't
- changed by the callbacks. */
-
-gimple
-walk_gimple_seq (gimple_seq seq, walk_stmt_fn callback_stmt,
- walk_tree_fn callback_op, struct walk_stmt_info *wi)
-{
- gimple_seq seq2 = seq;
- gimple ret = walk_gimple_seq_mod (&seq2, callback_stmt, callback_op, wi);
- gcc_assert (seq2 == seq);
- return ret;
-}
-
-
-/* Helper function for walk_gimple_stmt. Walk operands of a GIMPLE_ASM. */
-
-static tree
-walk_gimple_asm (gimple stmt, walk_tree_fn callback_op,
- struct walk_stmt_info *wi)
-{
- tree ret, op;
- unsigned noutputs;
- const char **oconstraints;
- unsigned i, n;
- const char *constraint;
- bool allows_mem, allows_reg, is_inout;
-
- noutputs = gimple_asm_noutputs (stmt);
- oconstraints = (const char **) alloca ((noutputs) * sizeof (const char *));
-
- if (wi)
- wi->is_lhs = true;
-
- for (i = 0; i < noutputs; i++)
- {
- op = gimple_asm_output_op (stmt, i);
- constraint = TREE_STRING_POINTER (TREE_VALUE (TREE_PURPOSE (op)));
- oconstraints[i] = constraint;
- parse_output_constraint (&constraint, i, 0, 0, &allows_mem, &allows_reg,
- &is_inout);
- if (wi)
- wi->val_only = (allows_reg || !allows_mem);
- ret = walk_tree (&TREE_VALUE (op), callback_op, wi, NULL);
- if (ret)
- return ret;
- }
-
- n = gimple_asm_ninputs (stmt);
- for (i = 0; i < n; i++)
- {
- op = gimple_asm_input_op (stmt, i);
- constraint = TREE_STRING_POINTER (TREE_VALUE (TREE_PURPOSE (op)));
- parse_input_constraint (&constraint, 0, 0, noutputs, 0,
- oconstraints, &allows_mem, &allows_reg);
- if (wi)
- {
- wi->val_only = (allows_reg || !allows_mem);
- /* Although input "m" is not really a LHS, we need a lvalue. */
- wi->is_lhs = !wi->val_only;
- }
- ret = walk_tree (&TREE_VALUE (op), callback_op, wi, NULL);
- if (ret)
- return ret;
- }
-
- if (wi)
- {
- wi->is_lhs = false;
- wi->val_only = true;
- }
-
- n = gimple_asm_nlabels (stmt);
- for (i = 0; i < n; i++)
- {
- op = gimple_asm_label_op (stmt, i);
- ret = walk_tree (&TREE_VALUE (op), callback_op, wi, NULL);
- if (ret)
- return ret;
- }
-
- return NULL_TREE;
-}
-
-
-/* Helper function of WALK_GIMPLE_STMT. Walk every tree operand in
- STMT. CALLBACK_OP and WI are as in WALK_GIMPLE_STMT.
-
- CALLBACK_OP is called on each operand of STMT via walk_tree.
- Additional parameters to walk_tree must be stored in WI. For each operand
- OP, walk_tree is called as:
-
- walk_tree (&OP, CALLBACK_OP, WI, WI->PSET)
-
- If CALLBACK_OP returns non-NULL for an operand, the remaining
- operands are not scanned.
-
- The return value is that returned by the last call to walk_tree, or
- NULL_TREE if no CALLBACK_OP is specified. */
-
-tree
-walk_gimple_op (gimple stmt, walk_tree_fn callback_op,
- struct walk_stmt_info *wi)
-{
- struct pointer_set_t *pset = (wi) ? wi->pset : NULL;
- unsigned i;
- tree ret = NULL_TREE;
-
- switch (gimple_code (stmt))
- {
- case GIMPLE_ASSIGN:
- /* Walk the RHS operands. If the LHS is of a non-renamable type or
- is a register variable, we may use a COMPONENT_REF on the RHS. */
- if (wi)
- {
- tree lhs = gimple_assign_lhs (stmt);
- wi->val_only
- = (is_gimple_reg_type (TREE_TYPE (lhs)) && !is_gimple_reg (lhs))
- || gimple_assign_rhs_class (stmt) != GIMPLE_SINGLE_RHS;
- }
-
- for (i = 1; i < gimple_num_ops (stmt); i++)
- {
- ret = walk_tree (gimple_op_ptr (stmt, i), callback_op, wi,
- pset);
- if (ret)
- return ret;
- }
-
- /* Walk the LHS. If the RHS is appropriate for a memory, we
- may use a COMPONENT_REF on the LHS. */
- if (wi)
- {
- /* If the RHS is of a non-renamable type or is a register variable,
- we may use a COMPONENT_REF on the LHS. */
- tree rhs1 = gimple_assign_rhs1 (stmt);
- wi->val_only
- = (is_gimple_reg_type (TREE_TYPE (rhs1)) && !is_gimple_reg (rhs1))
- || gimple_assign_rhs_class (stmt) != GIMPLE_SINGLE_RHS;
- wi->is_lhs = true;
- }
-
- ret = walk_tree (gimple_op_ptr (stmt, 0), callback_op, wi, pset);
- if (ret)
- return ret;
-
- if (wi)
- {
- wi->val_only = true;
- wi->is_lhs = false;
- }
- break;
-
- case GIMPLE_CALL:
- if (wi)
- {
- wi->is_lhs = false;
- wi->val_only = true;
- }
-
- ret = walk_tree (gimple_call_chain_ptr (stmt), callback_op, wi, pset);
- if (ret)
- return ret;
-
- ret = walk_tree (gimple_call_fn_ptr (stmt), callback_op, wi, pset);
- if (ret)
- return ret;
-
- for (i = 0; i < gimple_call_num_args (stmt); i++)
- {
- if (wi)
- wi->val_only
- = is_gimple_reg_type (TREE_TYPE (gimple_call_arg (stmt, i)));
- ret = walk_tree (gimple_call_arg_ptr (stmt, i), callback_op, wi,
- pset);
- if (ret)
- return ret;
- }
-
- if (gimple_call_lhs (stmt))
- {
- if (wi)
- {
- wi->is_lhs = true;
- wi->val_only
- = is_gimple_reg_type (TREE_TYPE (gimple_call_lhs (stmt)));
- }
-
- ret = walk_tree (gimple_call_lhs_ptr (stmt), callback_op, wi, pset);
- if (ret)
- return ret;
- }
-
- if (wi)
- {
- wi->is_lhs = false;
- wi->val_only = true;
- }
- break;
-
- case GIMPLE_CATCH:
- ret = walk_tree (gimple_catch_types_ptr (stmt), callback_op, wi,
- pset);
- if (ret)
- return ret;
- break;
-
- case GIMPLE_EH_FILTER:
- ret = walk_tree (gimple_eh_filter_types_ptr (stmt), callback_op, wi,
- pset);
- if (ret)
- return ret;
- break;
-
- case GIMPLE_ASM:
- ret = walk_gimple_asm (stmt, callback_op, wi);
- if (ret)
- return ret;
- break;
-
- case GIMPLE_OMP_CONTINUE:
- ret = walk_tree (gimple_omp_continue_control_def_ptr (stmt),
- callback_op, wi, pset);
- if (ret)
- return ret;
-
- ret = walk_tree (gimple_omp_continue_control_use_ptr (stmt),
- callback_op, wi, pset);
- if (ret)
- return ret;
- break;
-
- case GIMPLE_OMP_CRITICAL:
- ret = walk_tree (gimple_omp_critical_name_ptr (stmt), callback_op, wi,
- pset);
- if (ret)
- return ret;
- break;
-
- case GIMPLE_OMP_FOR:
- ret = walk_tree (gimple_omp_for_clauses_ptr (stmt), callback_op, wi,
- pset);
- if (ret)
- return ret;
- for (i = 0; i < gimple_omp_for_collapse (stmt); i++)
- {
- ret = walk_tree (gimple_omp_for_index_ptr (stmt, i), callback_op,
- wi, pset);
- if (ret)
- return ret;
- ret = walk_tree (gimple_omp_for_initial_ptr (stmt, i), callback_op,
- wi, pset);
- if (ret)
- return ret;
- ret = walk_tree (gimple_omp_for_final_ptr (stmt, i), callback_op,
- wi, pset);
- if (ret)
- return ret;
- ret = walk_tree (gimple_omp_for_incr_ptr (stmt, i), callback_op,
- wi, pset);
- }
- if (ret)
- return ret;
- break;
-
- case GIMPLE_OMP_PARALLEL:
- ret = walk_tree (gimple_omp_parallel_clauses_ptr (stmt), callback_op,
- wi, pset);
- if (ret)
- return ret;
- ret = walk_tree (gimple_omp_parallel_child_fn_ptr (stmt), callback_op,
- wi, pset);
- if (ret)
- return ret;
- ret = walk_tree (gimple_omp_parallel_data_arg_ptr (stmt), callback_op,
- wi, pset);
- if (ret)
- return ret;
- break;
-
- case GIMPLE_OMP_TASK:
- ret = walk_tree (gimple_omp_task_clauses_ptr (stmt), callback_op,
- wi, pset);
- if (ret)
- return ret;
- ret = walk_tree (gimple_omp_task_child_fn_ptr (stmt), callback_op,
- wi, pset);
- if (ret)
- return ret;
- ret = walk_tree (gimple_omp_task_data_arg_ptr (stmt), callback_op,
- wi, pset);
- if (ret)
- return ret;
- ret = walk_tree (gimple_omp_task_copy_fn_ptr (stmt), callback_op,
- wi, pset);
- if (ret)
- return ret;
- ret = walk_tree (gimple_omp_task_arg_size_ptr (stmt), callback_op,
- wi, pset);
- if (ret)
- return ret;
- ret = walk_tree (gimple_omp_task_arg_align_ptr (stmt), callback_op,
- wi, pset);
- if (ret)
- return ret;
- break;
-
- case GIMPLE_OMP_SECTIONS:
- ret = walk_tree (gimple_omp_sections_clauses_ptr (stmt), callback_op,
- wi, pset);
- if (ret)
- return ret;
-
- ret = walk_tree (gimple_omp_sections_control_ptr (stmt), callback_op,
- wi, pset);
- if (ret)
- return ret;
-
- break;
-
- case GIMPLE_OMP_SINGLE:
- ret = walk_tree (gimple_omp_single_clauses_ptr (stmt), callback_op, wi,
- pset);
- if (ret)
- return ret;
- break;
-
- case GIMPLE_OMP_TARGET:
- ret = walk_tree (gimple_omp_target_clauses_ptr (stmt), callback_op, wi,
- pset);
- if (ret)
- return ret;
- break;
-
- case GIMPLE_OMP_TEAMS:
- ret = walk_tree (gimple_omp_teams_clauses_ptr (stmt), callback_op, wi,
- pset);
- if (ret)
- return ret;
- break;
-
- case GIMPLE_OMP_ATOMIC_LOAD:
- ret = walk_tree (gimple_omp_atomic_load_lhs_ptr (stmt), callback_op, wi,
- pset);
- if (ret)
- return ret;
-
- ret = walk_tree (gimple_omp_atomic_load_rhs_ptr (stmt), callback_op, wi,
- pset);
- if (ret)
- return ret;
- break;
-
- case GIMPLE_OMP_ATOMIC_STORE:
- ret = walk_tree (gimple_omp_atomic_store_val_ptr (stmt), callback_op,
- wi, pset);
- if (ret)
- return ret;
- break;
-
- case GIMPLE_TRANSACTION:
- ret = walk_tree (gimple_transaction_label_ptr (stmt), callback_op,
- wi, pset);
- if (ret)
- return ret;
- break;
-
- case GIMPLE_OMP_RETURN:
- ret = walk_tree (gimple_omp_return_lhs_ptr (stmt), callback_op, wi,
- pset);
- if (ret)
- return ret;
- break;
-
- /* Tuples that do not have operands. */
- case GIMPLE_NOP:
- case GIMPLE_RESX:
- case GIMPLE_PREDICT:
- break;
-
- default:
- {
- enum gimple_statement_structure_enum gss;
- gss = gimple_statement_structure (stmt);
- if (gss == GSS_WITH_OPS || gss == GSS_WITH_MEM_OPS)
- for (i = 0; i < gimple_num_ops (stmt); i++)
- {
- ret = walk_tree (gimple_op_ptr (stmt, i), callback_op, wi, pset);
- if (ret)
- return ret;
- }
- }
- break;
- }
-
- return NULL_TREE;
-}
-
-
-/* Walk the current statement in GSI (optionally using traversal state
- stored in WI). If WI is NULL, no state is kept during traversal.
- The callback CALLBACK_STMT is called. If CALLBACK_STMT indicates
- that it has handled all the operands of the statement, its return
- value is returned. Otherwise, the return value from CALLBACK_STMT
- is discarded and its operands are scanned.
-
- If CALLBACK_STMT is NULL or it didn't handle the operands,
- CALLBACK_OP is called on each operand of the statement via
- walk_gimple_op. If walk_gimple_op returns non-NULL for any
- operand, the remaining operands are not scanned. In this case, the
- return value from CALLBACK_OP is returned.
-
- In any other case, NULL_TREE is returned. */
-
-tree
-walk_gimple_stmt (gimple_stmt_iterator *gsi, walk_stmt_fn callback_stmt,
- walk_tree_fn callback_op, struct walk_stmt_info *wi)
-{
- gimple ret;
- tree tree_ret;
- gimple stmt = gsi_stmt (*gsi);
-
- if (wi)
- {
- wi->gsi = *gsi;
- wi->removed_stmt = false;
-
- if (wi->want_locations && gimple_has_location (stmt))
- input_location = gimple_location (stmt);
- }
-
- ret = NULL;
-
- /* Invoke the statement callback. Return if the callback handled
- all of STMT operands by itself. */
- if (callback_stmt)
- {
- bool handled_ops = false;
- tree_ret = callback_stmt (gsi, &handled_ops, wi);
- if (handled_ops)
- return tree_ret;
-
- /* If CALLBACK_STMT did not handle operands, it should not have
- a value to return. */
- gcc_assert (tree_ret == NULL);
-
- if (wi && wi->removed_stmt)
- return NULL;
-
- /* Re-read stmt in case the callback changed it. */
- stmt = gsi_stmt (*gsi);
- }
-
- /* If CALLBACK_OP is defined, invoke it on every operand of STMT. */
- if (callback_op)
- {
- tree_ret = walk_gimple_op (stmt, callback_op, wi);
- if (tree_ret)
- return tree_ret;
- }
-
- /* If STMT can have statements inside (e.g. GIMPLE_BIND), walk them. */
- switch (gimple_code (stmt))
- {
- case GIMPLE_BIND:
- ret = walk_gimple_seq_mod (gimple_bind_body_ptr (stmt), callback_stmt,
- callback_op, wi);
- if (ret)
- return wi->callback_result;
- break;
-
- case GIMPLE_CATCH:
- ret = walk_gimple_seq_mod (gimple_catch_handler_ptr (stmt), callback_stmt,
- callback_op, wi);
- if (ret)
- return wi->callback_result;
- break;
-
- case GIMPLE_EH_FILTER:
- ret = walk_gimple_seq_mod (gimple_eh_filter_failure_ptr (stmt), callback_stmt,
- callback_op, wi);
- if (ret)
- return wi->callback_result;
- break;
-
- case GIMPLE_EH_ELSE:
- ret = walk_gimple_seq_mod (gimple_eh_else_n_body_ptr (stmt),
- callback_stmt, callback_op, wi);
- if (ret)
- return wi->callback_result;
- ret = walk_gimple_seq_mod (gimple_eh_else_e_body_ptr (stmt),
- callback_stmt, callback_op, wi);
- if (ret)
- return wi->callback_result;
- break;
-
- case GIMPLE_TRY:
- ret = walk_gimple_seq_mod (gimple_try_eval_ptr (stmt), callback_stmt, callback_op,
- wi);
- if (ret)
- return wi->callback_result;
-
- ret = walk_gimple_seq_mod (gimple_try_cleanup_ptr (stmt), callback_stmt,
- callback_op, wi);
- if (ret)
- return wi->callback_result;
- break;
-
- case GIMPLE_OMP_FOR:
- ret = walk_gimple_seq_mod (gimple_omp_for_pre_body_ptr (stmt), callback_stmt,
- callback_op, wi);
- if (ret)
- return wi->callback_result;
-
- /* FALL THROUGH. */
- case GIMPLE_OMP_CRITICAL:
- case GIMPLE_OMP_MASTER:
- case GIMPLE_OMP_TASKGROUP:
- case GIMPLE_OMP_ORDERED:
- case GIMPLE_OMP_SECTION:
- case GIMPLE_OMP_PARALLEL:
- case GIMPLE_OMP_TASK:
- case GIMPLE_OMP_SECTIONS:
- case GIMPLE_OMP_SINGLE:
- case GIMPLE_OMP_TARGET:
- case GIMPLE_OMP_TEAMS:
- ret = walk_gimple_seq_mod (gimple_omp_body_ptr (stmt), callback_stmt,
- callback_op, wi);
- if (ret)
- return wi->callback_result;
- break;
-
- case GIMPLE_WITH_CLEANUP_EXPR:
- ret = walk_gimple_seq_mod (gimple_wce_cleanup_ptr (stmt), callback_stmt,
- callback_op, wi);
- if (ret)
- return wi->callback_result;
- break;
-
- case GIMPLE_TRANSACTION:
- ret = walk_gimple_seq_mod (gimple_transaction_body_ptr (stmt),
- callback_stmt, callback_op, wi);
- if (ret)
- return wi->callback_result;
- break;
-
- default:
- gcc_assert (!gimple_has_substatements (stmt));
- break;
- }
-
- return NULL;
-}
-
/* Return true if calls C1 and C2 are known to go to the same function. */
else
flags = flags_from_decl_or_type (gimple_call_fntype (stmt));
- if (stmt->gsbase.subcode & GF_CALL_NOTHROW)
+ if (stmt->subcode & GF_CALL_NOTHROW)
flags |= ECF_NOTHROW;
return flags;
/* Return the "fn spec" string for call STMT. */
-static tree
-gimple_call_fnspec (const_gimple stmt)
+static const_tree
+gimple_call_fnspec (const gcall *stmt)
{
tree type, attr;
+ if (gimple_call_internal_p (stmt))
+ return internal_fn_fnspec (gimple_call_internal_fn (stmt));
+
type = gimple_call_fntype (stmt);
if (!type)
return NULL_TREE;
/* Detects argument flags for argument number ARG on call STMT. */
int
-gimple_call_arg_flags (const_gimple stmt, unsigned arg)
+gimple_call_arg_flags (const gcall *stmt, unsigned arg)
{
- tree attr = gimple_call_fnspec (stmt);
+ const_tree attr = gimple_call_fnspec (stmt);
if (!attr || 1 + arg >= (unsigned) TREE_STRING_LENGTH (attr))
return 0;
/* Detects return flags for the call STMT. */
int
-gimple_call_return_flags (const_gimple stmt)
+gimple_call_return_flags (const gcall *stmt)
{
- tree attr;
+ const_tree attr;
if (gimple_call_flags (stmt) & ECF_MALLOC)
return ERF_NOALIAS;
void
gimple_set_bb (gimple stmt, basic_block bb)
{
- stmt->gsbase.bb = bb;
+ stmt->bb = bb;
+
+ if (gimple_code (stmt) != GIMPLE_LABEL)
+ return;
/* If the statement is a label, add the label to block-to-labels map
so that we can speed up edge creation for GIMPLE_GOTOs. */
- if (cfun->cfg && gimple_code (stmt) == GIMPLE_LABEL)
+ if (cfun->cfg)
{
tree t;
int uid;
- t = gimple_label_label (stmt);
+ t = gimple_label_label (as_a <glabel *> (stmt));
uid = LABEL_DECL_UID (t);
if (uid == -1)
{
- unsigned old_len = vec_safe_length (label_to_block_map);
+ unsigned old_len =
+ vec_safe_length (label_to_block_map_for_fn (cfun));
LABEL_DECL_UID (t) = uid = cfun->cfg->last_label_uid++;
if (old_len <= (unsigned) uid)
{
unsigned new_len = 3 * uid / 2 + 1;
- vec_safe_grow_cleared (label_to_block_map, new_len);
+ vec_safe_grow_cleared (label_to_block_map_for_fn (cfun),
+ new_len);
}
}
- (*label_to_block_map)[uid] = bb;
+ (*label_to_block_map_for_fn (cfun))[uid] = bb;
}
}
tree op1, op2, op3;
extract_ops_from_tree_1 (expr, &subcode, &op1, &op2, &op3);
- gimple_assign_set_rhs_with_ops_1 (gsi, subcode, op1, op2, op3);
+ gimple_assign_set_rhs_with_ops (gsi, subcode, op1, op2, op3);
}
did not have enough operand slots. */
void
-gimple_assign_set_rhs_with_ops_1 (gimple_stmt_iterator *gsi, enum tree_code code,
- tree op1, tree op2, tree op3)
+gimple_assign_set_rhs_with_ops (gimple_stmt_iterator *gsi, enum tree_code code,
+ tree op1, tree op2, tree op3)
{
unsigned new_rhs_ops = get_gimple_rhs_num_ops (code);
gimple stmt = gsi_stmt (*gsi);
switch (gimple_code (stmt))
{
case GIMPLE_BIND:
- new_seq = gimple_seq_copy (gimple_bind_body (stmt));
- gimple_bind_set_body (copy, new_seq);
- gimple_bind_set_vars (copy, unshare_expr (gimple_bind_vars (stmt)));
- gimple_bind_set_block (copy, gimple_bind_block (stmt));
+ {
+ gbind *bind_stmt = as_a <gbind *> (stmt);
+ gbind *bind_copy = as_a <gbind *> (copy);
+ new_seq = gimple_seq_copy (gimple_bind_body (bind_stmt));
+ gimple_bind_set_body (bind_copy, new_seq);
+ gimple_bind_set_vars (bind_copy,
+ unshare_expr (gimple_bind_vars (bind_stmt)));
+ gimple_bind_set_block (bind_copy, gimple_bind_block (bind_stmt));
+ }
break;
case GIMPLE_CATCH:
- new_seq = gimple_seq_copy (gimple_catch_handler (stmt));
- gimple_catch_set_handler (copy, new_seq);
- t = unshare_expr (gimple_catch_types (stmt));
- gimple_catch_set_types (copy, t);
+ {
+ gcatch *catch_stmt = as_a <gcatch *> (stmt);
+ gcatch *catch_copy = as_a <gcatch *> (copy);
+ new_seq = gimple_seq_copy (gimple_catch_handler (catch_stmt));
+ gimple_catch_set_handler (catch_copy, new_seq);
+ t = unshare_expr (gimple_catch_types (catch_stmt));
+ gimple_catch_set_types (catch_copy, t);
+ }
break;
case GIMPLE_EH_FILTER:
- new_seq = gimple_seq_copy (gimple_eh_filter_failure (stmt));
- gimple_eh_filter_set_failure (copy, new_seq);
- t = unshare_expr (gimple_eh_filter_types (stmt));
- gimple_eh_filter_set_types (copy, t);
+ {
+ geh_filter *eh_filter_stmt = as_a <geh_filter *> (stmt);
+ geh_filter *eh_filter_copy = as_a <geh_filter *> (copy);
+ new_seq
+ = gimple_seq_copy (gimple_eh_filter_failure (eh_filter_stmt));
+ gimple_eh_filter_set_failure (eh_filter_copy, new_seq);
+ t = unshare_expr (gimple_eh_filter_types (eh_filter_stmt));
+ gimple_eh_filter_set_types (eh_filter_copy, t);
+ }
break;
case GIMPLE_EH_ELSE:
- new_seq = gimple_seq_copy (gimple_eh_else_n_body (stmt));
- gimple_eh_else_set_n_body (copy, new_seq);
- new_seq = gimple_seq_copy (gimple_eh_else_e_body (stmt));
- gimple_eh_else_set_e_body (copy, new_seq);
+ {
+ geh_else *eh_else_stmt = as_a <geh_else *> (stmt);
+ geh_else *eh_else_copy = as_a <geh_else *> (copy);
+ new_seq = gimple_seq_copy (gimple_eh_else_n_body (eh_else_stmt));
+ gimple_eh_else_set_n_body (eh_else_copy, new_seq);
+ new_seq = gimple_seq_copy (gimple_eh_else_e_body (eh_else_stmt));
+ gimple_eh_else_set_e_body (eh_else_copy, new_seq);
+ }
break;
case GIMPLE_TRY:
- new_seq = gimple_seq_copy (gimple_try_eval (stmt));
- gimple_try_set_eval (copy, new_seq);
- new_seq = gimple_seq_copy (gimple_try_cleanup (stmt));
- gimple_try_set_cleanup (copy, new_seq);
+ {
+ gtry *try_stmt = as_a <gtry *> (stmt);
+ gtry *try_copy = as_a <gtry *> (copy);
+ new_seq = gimple_seq_copy (gimple_try_eval (try_stmt));
+ gimple_try_set_eval (try_copy, new_seq);
+ new_seq = gimple_seq_copy (gimple_try_cleanup (try_stmt));
+ gimple_try_set_cleanup (try_copy, new_seq);
+ }
break;
case GIMPLE_OMP_FOR:
gimple_omp_for_set_pre_body (copy, new_seq);
t = unshare_expr (gimple_omp_for_clauses (stmt));
gimple_omp_for_set_clauses (copy, t);
- copy->gimple_omp_for.iter
- = ggc_alloc_vec_gimple_omp_for_iter
- (gimple_omp_for_collapse (stmt));
+ {
+ gomp_for *omp_for_copy = as_a <gomp_for *> (copy);
+ omp_for_copy->iter = ggc_vec_alloc<gimple_omp_for_iter>
+ ( gimple_omp_for_collapse (stmt));
+ }
for (i = 0; i < gimple_omp_for_collapse (stmt); i++)
{
gimple_omp_for_set_cond (copy, i,
goto copy_omp_body;
case GIMPLE_OMP_PARALLEL:
- t = unshare_expr (gimple_omp_parallel_clauses (stmt));
- gimple_omp_parallel_set_clauses (copy, t);
- t = unshare_expr (gimple_omp_parallel_child_fn (stmt));
- gimple_omp_parallel_set_child_fn (copy, t);
- t = unshare_expr (gimple_omp_parallel_data_arg (stmt));
- gimple_omp_parallel_set_data_arg (copy, t);
+ {
+ gomp_parallel *omp_par_stmt = as_a <gomp_parallel *> (stmt);
+ gomp_parallel *omp_par_copy = as_a <gomp_parallel *> (copy);
+ t = unshare_expr (gimple_omp_parallel_clauses (omp_par_stmt));
+ gimple_omp_parallel_set_clauses (omp_par_copy, t);
+ t = unshare_expr (gimple_omp_parallel_child_fn (omp_par_stmt));
+ gimple_omp_parallel_set_child_fn (omp_par_copy, t);
+ t = unshare_expr (gimple_omp_parallel_data_arg (omp_par_stmt));
+ gimple_omp_parallel_set_data_arg (omp_par_copy, t);
+ }
goto copy_omp_body;
case GIMPLE_OMP_TASK:
goto copy_omp_body;
case GIMPLE_OMP_CRITICAL:
- t = unshare_expr (gimple_omp_critical_name (stmt));
- gimple_omp_critical_set_name (copy, t);
+ t = unshare_expr (gimple_omp_critical_name (
+ as_a <gomp_critical *> (stmt)));
+ gimple_omp_critical_set_name (as_a <gomp_critical *> (copy), t);
goto copy_omp_body;
case GIMPLE_OMP_SECTIONS:
break;
case GIMPLE_TRANSACTION:
- new_seq = gimple_seq_copy (gimple_transaction_body (stmt));
- gimple_transaction_set_body (copy, new_seq);
+ new_seq = gimple_seq_copy (gimple_transaction_body (
+ as_a <gtransaction *> (stmt)));
+ gimple_transaction_set_body (as_a <gtransaction *> (copy),
+ new_seq);
break;
case GIMPLE_WITH_CLEANUP_EXPR:
return true;
if (gimple_code (s) == GIMPLE_ASM
- && gimple_asm_volatile_p (s))
+ && gimple_asm_volatile_p (as_a <const gasm *> (s)))
return true;
if (is_gimple_call (s))
switch (gimple_code (s))
{
case GIMPLE_ASM:
- return gimple_asm_volatile_p (s);
+ return gimple_asm_volatile_p (as_a <gasm *> (s));
case GIMPLE_CALL:
t = gimple_call_fndecl (s);
|| (SYM) == WIDEN_MULT_PLUS_EXPR \
|| (SYM) == WIDEN_MULT_MINUS_EXPR \
|| (SYM) == DOT_PROD_EXPR \
+ || (SYM) == SAD_EXPR \
|| (SYM) == REALIGN_LOAD_EXPR \
|| (SYM) == VEC_COND_EXPR \
|| (SYM) == VEC_PERM_EXPR \
#undef DEFTREECODE
#undef END_OF_BASE_TREE_CODES
-/* Given a memory reference expression T, return its base address.
- The base address of a memory reference expression is the main
- object being referenced. For instance, the base address for
- 'array[i].fld[j]' is 'array'. You can think of this as stripping
- away the offset part from a memory address.
-
- This function calls handled_component_p to strip away all the inner
- parts of the memory reference until it reaches the base object. */
-
-tree
-get_base_address (tree t)
-{
- while (handled_component_p (t))
- t = TREE_OPERAND (t, 0);
-
- if ((TREE_CODE (t) == MEM_REF
- || TREE_CODE (t) == TARGET_MEM_REF)
- && TREE_CODE (TREE_OPERAND (t, 0)) == ADDR_EXPR)
- t = TREE_OPERAND (TREE_OPERAND (t, 0), 0);
-
- /* ??? Either the alias oracle or all callers need to properly deal
- with WITH_SIZE_EXPRs before we can look through those. */
- if (TREE_CODE (t) == WITH_SIZE_EXPR)
- return NULL_TREE;
-
- return t;
-}
-
-void
-recalculate_side_effects (tree t)
-{
- enum tree_code code = TREE_CODE (t);
- int len = TREE_OPERAND_LENGTH (t);
- int i;
-
- switch (TREE_CODE_CLASS (code))
- {
- case tcc_expression:
- switch (code)
- {
- case INIT_EXPR:
- case MODIFY_EXPR:
- case VA_ARG_EXPR:
- case PREDECREMENT_EXPR:
- case PREINCREMENT_EXPR:
- case POSTDECREMENT_EXPR:
- case POSTINCREMENT_EXPR:
- /* All of these have side-effects, no matter what their
- operands are. */
- return;
-
- default:
- break;
- }
- /* Fall through. */
-
- case tcc_comparison: /* a comparison expression */
- case tcc_unary: /* a unary arithmetic expression */
- case tcc_binary: /* a binary arithmetic expression */
- case tcc_reference: /* a reference */
- case tcc_vl_exp: /* a function call */
- TREE_SIDE_EFFECTS (t) = TREE_THIS_VOLATILE (t);
- for (i = 0; i < len; ++i)
- {
- tree op = TREE_OPERAND (t, i);
- if (op && TREE_SIDE_EFFECTS (op))
- TREE_SIDE_EFFECTS (t) = 1;
- }
- break;
-
- case tcc_constant:
- /* No side-effects. */
- return;
-
- default:
- gcc_unreachable ();
- }
-}
-
/* Canonicalize a tree T for use in a COND_EXPR as conditional. Returns
a canonicalized tree that is valid for a COND_EXPR or NULL_TREE, if
we failed to create one. */
/* Build a GIMPLE_CALL identical to STMT but skipping the arguments in
the positions marked by the set ARGS_TO_SKIP. */
-gimple
-gimple_call_copy_skip_args (gimple stmt, bitmap args_to_skip)
+gcall *
+gimple_call_copy_skip_args (gcall *stmt, bitmap args_to_skip)
{
int i;
int nargs = gimple_call_num_args (stmt);
- vec<tree> vargs;
- vargs.create (nargs);
- gimple new_stmt;
+ auto_vec<tree> vargs (nargs);
+ gcall *new_stmt;
for (i = 0; i < nargs; i++)
if (!bitmap_bit_p (args_to_skip, i))
vargs);
else
new_stmt = gimple_build_call_vec (gimple_call_fn (stmt), vargs);
- vargs.release ();
+
if (gimple_call_lhs (stmt))
gimple_call_set_lhs (new_stmt, gimple_call_lhs (stmt));
/* Fortran and C do not always agree on what DECL_OFFSET_ALIGN
should be, so handle differing ones specially by decomposing
the offset into a byte and bit offset manually. */
- if (host_integerp (DECL_FIELD_OFFSET (f1), 0)
- && host_integerp (DECL_FIELD_OFFSET (f2), 0))
+ if (tree_fits_shwi_p (DECL_FIELD_OFFSET (f1))
+ && tree_fits_shwi_p (DECL_FIELD_OFFSET (f2)))
{
unsigned HOST_WIDE_INT byte_offset1, byte_offset2;
unsigned HOST_WIDE_INT bit_offset1, bit_offset2;
gimple_signed_or_unsigned_type (bool unsignedp, tree type)
{
tree type1;
+ int i;
type1 = TYPE_MAIN_VARIANT (type);
if (type1 == signed_char_type_node
return unsignedp
? long_long_unsigned_type_node
: long_long_integer_type_node;
- if (int128_integer_type_node && (type1 == int128_integer_type_node || type1 == int128_unsigned_type_node))
- return unsignedp
- ? int128_unsigned_type_node
- : int128_integer_type_node;
+
+ for (i = 0; i < NUM_INT_N_ENTS; i ++)
+ if (int_n_enabled_p[i]
+ && (type1 == int_n_trees[i].unsigned_type
+ || type1 == int_n_trees[i].signed_type))
+ return unsignedp
+ ? int_n_trees[i].unsigned_type
+ : int_n_trees[i].signed_type;
+
#if HOST_BITS_PER_WIDE_INT >= 64
if (type1 == intTI_type_node || type1 == unsigned_intTI_type_node)
return unsignedp ? unsigned_intTI_type_node : intTI_type_node;
return (unsignedp
? long_long_unsigned_type_node
: long_long_integer_type_node);
- if (int128_integer_type_node && TYPE_OK (int128_integer_type_node))
- return (unsignedp
- ? int128_unsigned_type_node
- : int128_integer_type_node);
+
+ for (i = 0; i < NUM_INT_N_ENTS; i ++)
+ if (int_n_enabled_p[i]
+ && TYPE_MODE (type) == int_n_data[i].m
+ && TYPE_PRECISION (type) == int_n_data[i].bitsize)
+ return unsignedp
+ ? int_n_trees[i].unsigned_type
+ : int_n_trees[i].signed_type;
#if HOST_BITS_PER_WIDE_INT >= 64
if (TYPE_OK (intTI_type_node))
}
-/* From a tree operand OP return the base of a load or store operation
- or NULL_TREE if OP is not a load or a store. */
-
-static tree
-get_base_loadstore (tree op)
-{
- while (handled_component_p (op))
- op = TREE_OPERAND (op, 0);
- if (DECL_P (op)
- || INDIRECT_REF_P (op)
- || TREE_CODE (op) == MEM_REF
- || TREE_CODE (op) == TARGET_MEM_REF)
- return op;
- return NULL_TREE;
-}
-
-/* For the statement STMT call the callbacks VISIT_LOAD, VISIT_STORE and
- VISIT_ADDR if non-NULL on loads, store and address-taken operands
- passing the STMT, the base of the operand and DATA to it. The base
- will be either a decl, an indirect reference (including TARGET_MEM_REF)
- or the argument of an address expression.
- Returns the results of these callbacks or'ed. */
-
-bool
-walk_stmt_load_store_addr_ops (gimple stmt, void *data,
- bool (*visit_load)(gimple, tree, void *),
- bool (*visit_store)(gimple, tree, void *),
- bool (*visit_addr)(gimple, tree, void *))
-{
- bool ret = false;
- unsigned i;
- if (gimple_assign_single_p (stmt))
- {
- tree lhs, rhs;
- if (visit_store)
- {
- lhs = get_base_loadstore (gimple_assign_lhs (stmt));
- if (lhs)
- ret |= visit_store (stmt, lhs, data);
- }
- rhs = gimple_assign_rhs1 (stmt);
- while (handled_component_p (rhs))
- rhs = TREE_OPERAND (rhs, 0);
- if (visit_addr)
- {
- if (TREE_CODE (rhs) == ADDR_EXPR)
- ret |= visit_addr (stmt, TREE_OPERAND (rhs, 0), data);
- else if (TREE_CODE (rhs) == TARGET_MEM_REF
- && TREE_CODE (TMR_BASE (rhs)) == ADDR_EXPR)
- ret |= visit_addr (stmt, TREE_OPERAND (TMR_BASE (rhs), 0), data);
- else if (TREE_CODE (rhs) == OBJ_TYPE_REF
- && TREE_CODE (OBJ_TYPE_REF_OBJECT (rhs)) == ADDR_EXPR)
- ret |= visit_addr (stmt, TREE_OPERAND (OBJ_TYPE_REF_OBJECT (rhs),
- 0), data);
- else if (TREE_CODE (rhs) == CONSTRUCTOR)
- {
- unsigned int ix;
- tree val;
-
- FOR_EACH_CONSTRUCTOR_VALUE (CONSTRUCTOR_ELTS (rhs), ix, val)
- if (TREE_CODE (val) == ADDR_EXPR)
- ret |= visit_addr (stmt, TREE_OPERAND (val, 0), data);
- else if (TREE_CODE (val) == OBJ_TYPE_REF
- && TREE_CODE (OBJ_TYPE_REF_OBJECT (val)) == ADDR_EXPR)
- ret |= visit_addr (stmt,
- TREE_OPERAND (OBJ_TYPE_REF_OBJECT (val),
- 0), data);
- }
- lhs = gimple_assign_lhs (stmt);
- if (TREE_CODE (lhs) == TARGET_MEM_REF
- && TREE_CODE (TMR_BASE (lhs)) == ADDR_EXPR)
- ret |= visit_addr (stmt, TREE_OPERAND (TMR_BASE (lhs), 0), data);
- }
- if (visit_load)
- {
- rhs = get_base_loadstore (rhs);
- if (rhs)
- ret |= visit_load (stmt, rhs, data);
- }
- }
- else if (visit_addr
- && (is_gimple_assign (stmt)
- || gimple_code (stmt) == GIMPLE_COND))
- {
- for (i = 0; i < gimple_num_ops (stmt); ++i)
- {
- tree op = gimple_op (stmt, i);
- if (op == NULL_TREE)
- ;
- else if (TREE_CODE (op) == ADDR_EXPR)
- ret |= visit_addr (stmt, TREE_OPERAND (op, 0), data);
- /* COND_EXPR and VCOND_EXPR rhs1 argument is a comparison
- tree with two operands. */
- else if (i == 1 && COMPARISON_CLASS_P (op))
- {
- if (TREE_CODE (TREE_OPERAND (op, 0)) == ADDR_EXPR)
- ret |= visit_addr (stmt, TREE_OPERAND (TREE_OPERAND (op, 0),
- 0), data);
- if (TREE_CODE (TREE_OPERAND (op, 1)) == ADDR_EXPR)
- ret |= visit_addr (stmt, TREE_OPERAND (TREE_OPERAND (op, 1),
- 0), data);
- }
- }
- }
- else if (is_gimple_call (stmt))
- {
- if (visit_store)
- {
- tree lhs = gimple_call_lhs (stmt);
- if (lhs)
- {
- lhs = get_base_loadstore (lhs);
- if (lhs)
- ret |= visit_store (stmt, lhs, data);
- }
- }
- if (visit_load || visit_addr)
- for (i = 0; i < gimple_call_num_args (stmt); ++i)
- {
- tree rhs = gimple_call_arg (stmt, i);
- if (visit_addr
- && TREE_CODE (rhs) == ADDR_EXPR)
- ret |= visit_addr (stmt, TREE_OPERAND (rhs, 0), data);
- else if (visit_load)
- {
- rhs = get_base_loadstore (rhs);
- if (rhs)
- ret |= visit_load (stmt, rhs, data);
- }
- }
- if (visit_addr
- && gimple_call_chain (stmt)
- && TREE_CODE (gimple_call_chain (stmt)) == ADDR_EXPR)
- ret |= visit_addr (stmt, TREE_OPERAND (gimple_call_chain (stmt), 0),
- data);
- if (visit_addr
- && gimple_call_return_slot_opt_p (stmt)
- && gimple_call_lhs (stmt) != NULL_TREE
- && TREE_ADDRESSABLE (TREE_TYPE (gimple_call_lhs (stmt))))
- ret |= visit_addr (stmt, gimple_call_lhs (stmt), data);
- }
- else if (gimple_code (stmt) == GIMPLE_ASM)
- {
- unsigned noutputs;
- const char *constraint;
- const char **oconstraints;
- bool allows_mem, allows_reg, is_inout;
- noutputs = gimple_asm_noutputs (stmt);
- oconstraints = XALLOCAVEC (const char *, noutputs);
- if (visit_store || visit_addr)
- for (i = 0; i < gimple_asm_noutputs (stmt); ++i)
- {
- tree link = gimple_asm_output_op (stmt, i);
- tree op = get_base_loadstore (TREE_VALUE (link));
- if (op && visit_store)
- ret |= visit_store (stmt, op, data);
- if (visit_addr)
- {
- constraint = TREE_STRING_POINTER
- (TREE_VALUE (TREE_PURPOSE (link)));
- oconstraints[i] = constraint;
- parse_output_constraint (&constraint, i, 0, 0, &allows_mem,
- &allows_reg, &is_inout);
- if (op && !allows_reg && allows_mem)
- ret |= visit_addr (stmt, op, data);
- }
- }
- if (visit_load || visit_addr)
- for (i = 0; i < gimple_asm_ninputs (stmt); ++i)
- {
- tree link = gimple_asm_input_op (stmt, i);
- tree op = TREE_VALUE (link);
- if (visit_addr
- && TREE_CODE (op) == ADDR_EXPR)
- ret |= visit_addr (stmt, TREE_OPERAND (op, 0), data);
- else if (visit_load || visit_addr)
- {
- op = get_base_loadstore (op);
- if (op)
- {
- if (visit_load)
- ret |= visit_load (stmt, op, data);
- if (visit_addr)
- {
- constraint = TREE_STRING_POINTER
- (TREE_VALUE (TREE_PURPOSE (link)));
- parse_input_constraint (&constraint, 0, 0, noutputs,
- 0, oconstraints,
- &allows_mem, &allows_reg);
- if (!allows_reg && allows_mem)
- ret |= visit_addr (stmt, op, data);
- }
- }
- }
- }
- }
- else if (gimple_code (stmt) == GIMPLE_RETURN)
- {
- tree op = gimple_return_retval (stmt);
- if (op)
- {
- if (visit_addr
- && TREE_CODE (op) == ADDR_EXPR)
- ret |= visit_addr (stmt, TREE_OPERAND (op, 0), data);
- else if (visit_load)
- {
- op = get_base_loadstore (op);
- if (op)
- ret |= visit_load (stmt, op, data);
- }
- }
- }
- else if (visit_addr
- && gimple_code (stmt) == GIMPLE_PHI)
- {
- for (i = 0; i < gimple_phi_num_args (stmt); ++i)
- {
- tree op = gimple_phi_arg_def (stmt, i);
- if (TREE_CODE (op) == ADDR_EXPR)
- ret |= visit_addr (stmt, TREE_OPERAND (op, 0), data);
- }
- }
- else if (visit_addr
- && gimple_code (stmt) == GIMPLE_GOTO)
- {
- tree op = gimple_goto_dest (stmt);
- if (TREE_CODE (op) == ADDR_EXPR)
- ret |= visit_addr (stmt, TREE_OPERAND (op, 0), data);
- }
-
- return ret;
-}
-
-/* Like walk_stmt_load_store_addr_ops but with NULL visit_addr. IPA-CP
- should make a faster clone for this case. */
-
-bool
-walk_stmt_load_store_ops (gimple stmt, void *data,
- bool (*visit_load)(gimple, tree, void *),
- bool (*visit_store)(gimple, tree, void *))
-{
- return walk_stmt_load_store_addr_ops (stmt, data,
- visit_load, visit_store, NULL);
-}
-
/* Helper for gimple_ior_addresses_taken_1. */
static bool
-gimple_ior_addresses_taken_1 (gimple stmt ATTRIBUTE_UNUSED,
- tree addr, void *data)
+gimple_ior_addresses_taken_1 (gimple, tree addr, tree, void *data)
{
bitmap addresses_taken = (bitmap)data;
addr = get_base_address (addr);
}
-/* Return TRUE iff stmt is a call to a built-in function. */
-
-bool
-is_gimple_builtin_call (gimple stmt)
-{
- tree callee;
+/* Return true if TYPE1 and TYPE2 are compatible enough for builtin
+ processing. */
- if (is_gimple_call (stmt)
- && (callee = gimple_call_fndecl (stmt))
- && is_builtin_fn (callee)
- && DECL_BUILT_IN_CLASS (callee) == BUILT_IN_NORMAL)
- return true;
-
- return false;
+static bool
+validate_type (tree type1, tree type2)
+{
+ if (INTEGRAL_TYPE_P (type1)
+ && INTEGRAL_TYPE_P (type2))
+ ;
+ else if (POINTER_TYPE_P (type1)
+ && POINTER_TYPE_P (type2))
+ ;
+ else if (TREE_CODE (type1)
+ != TREE_CODE (type2))
+ return false;
+ return true;
}
-/* Return true when STMTs arguments match those of FNDECL. */
+/* Return true when STMTs arguments and return value match those of FNDECL,
+ a decl of a builtin function. */
-static bool
-validate_call (gimple stmt, tree fndecl)
+bool
+gimple_builtin_call_types_compatible_p (const_gimple stmt, tree fndecl)
{
+ gcc_checking_assert (DECL_BUILT_IN_CLASS (fndecl) != NOT_BUILT_IN);
+
+ tree ret = gimple_call_lhs (stmt);
+ if (ret
+ && !validate_type (TREE_TYPE (ret), TREE_TYPE (TREE_TYPE (fndecl))))
+ return false;
+
tree targs = TYPE_ARG_TYPES (TREE_TYPE (fndecl));
unsigned nargs = gimple_call_num_args (stmt);
for (unsigned i = 0; i < nargs; ++i)
if (!targs)
return true;
tree arg = gimple_call_arg (stmt, i);
- if (INTEGRAL_TYPE_P (TREE_TYPE (arg))
- && INTEGRAL_TYPE_P (TREE_VALUE (targs)))
- ;
- else if (POINTER_TYPE_P (TREE_TYPE (arg))
- && POINTER_TYPE_P (TREE_VALUE (targs)))
- ;
- else if (TREE_CODE (TREE_TYPE (arg))
- != TREE_CODE (TREE_VALUE (targs)))
+ if (!validate_type (TREE_TYPE (arg), TREE_VALUE (targs)))
return false;
targs = TREE_CHAIN (targs);
}
return true;
}
+/* Return true when STMT is builtins call. */
+
+bool
+gimple_call_builtin_p (const_gimple stmt)
+{
+ tree fndecl;
+ if (is_gimple_call (stmt)
+ && (fndecl = gimple_call_fndecl (stmt)) != NULL_TREE
+ && DECL_BUILT_IN_CLASS (fndecl) != NOT_BUILT_IN)
+ return gimple_builtin_call_types_compatible_p (stmt, fndecl);
+ return false;
+}
+
/* Return true when STMT is builtins call to CLASS. */
bool
-gimple_call_builtin_p (gimple stmt, enum built_in_class klass)
+gimple_call_builtin_p (const_gimple stmt, enum built_in_class klass)
{
tree fndecl;
if (is_gimple_call (stmt)
&& (fndecl = gimple_call_fndecl (stmt)) != NULL_TREE
&& DECL_BUILT_IN_CLASS (fndecl) == klass)
- return validate_call (stmt, fndecl);
+ return gimple_builtin_call_types_compatible_p (stmt, fndecl);
return false;
}
/* Return true when STMT is builtins call to CODE of CLASS. */
bool
-gimple_call_builtin_p (gimple stmt, enum built_in_function code)
+gimple_call_builtin_p (const_gimple stmt, enum built_in_function code)
{
tree fndecl;
if (is_gimple_call (stmt)
&& (fndecl = gimple_call_fndecl (stmt)) != NULL_TREE
&& DECL_BUILT_IN_CLASS (fndecl) == BUILT_IN_NORMAL
&& DECL_FUNCTION_CODE (fndecl) == code)
- return validate_call (stmt, fndecl);
+ return gimple_builtin_call_types_compatible_p (stmt, fndecl);
return false;
}
GIMPLE_ASM. */
bool
-gimple_asm_clobbers_memory_p (const_gimple stmt)
+gimple_asm_clobbers_memory_p (const gasm *stmt)
{
unsigned i;
default:
return true;
}
+ else if (gimple_call_internal_p (call))
+ switch (gimple_call_internal_fn (call))
+ {
+ case IFN_ABNORMAL_DISPATCHER:
+ return true;
+ default:
+ if (gimple_call_flags (call) & ECF_LEAF)
+ return true;
+ return false;
+ }
- return false;
+ tree fndecl = gimple_call_fndecl (call);
+ if (!fndecl)
+ return false;
+ struct cgraph_node *n = cgraph_node::get (fndecl);
+ if (!n)
+ return false;
+ enum availability availability;
+ n = n->function_symbol (&availability);
+ if (!n || availability <= AVAIL_INTERPOSABLE)
+ return false;
+ return n->nonfreeing_fn;
}
/* Callback for walk_stmt_load_store_ops.
This routine only makes a superficial check for a dereference. Thus
it must only be used if it is safe to return a false negative. */
static bool
-check_loadstore (gimple stmt ATTRIBUTE_UNUSED, tree op, void *data)
+check_loadstore (gimple, tree op, tree, void *data)
{
if ((TREE_CODE (op) == MEM_REF || TREE_CODE (op) == TARGET_MEM_REF)
&& operand_equal_p (TREE_OPERAND (op, 0), (tree)data, 0))
return false;
}
-/* If OP can be inferred to be non-zero after STMT executes, return true. */
+/* If OP can be inferred to be non-NULL after STMT executes, return true.
+
+ DEREFERENCE is TRUE if we can use a pointer dereference to infer a
+ non-NULL range, FALSE otherwise.
+
+ ATTRIBUTE is TRUE if we can use attributes to infer a non-NULL range
+ for function arguments and return values. FALSE otherwise. */
bool
-infer_nonnull_range (gimple stmt, tree op)
+infer_nonnull_range (gimple stmt, tree op, bool dereference, bool attribute)
{
/* We can only assume that a pointer dereference will yield
non-NULL if -fdelete-null-pointer-checks is enabled. */
|| gimple_code (stmt) == GIMPLE_ASM)
return false;
- if (walk_stmt_load_store_ops (stmt, (void *)op,
- check_loadstore, check_loadstore))
+ if (dereference
+ && walk_stmt_load_store_ops (stmt, (void *)op,
+ check_loadstore, check_loadstore))
return true;
- if (is_gimple_call (stmt) && !gimple_call_internal_p (stmt))
+ if (attribute
+ && is_gimple_call (stmt) && !gimple_call_internal_p (stmt))
{
tree fntype = gimple_call_fntype (stmt);
tree attrs = TYPE_ATTRIBUTES (fntype);
{
for (unsigned int i = 0; i < gimple_call_num_args (stmt); i++)
{
- if (operand_equal_p (op, gimple_call_arg (stmt, i), 0)
- && POINTER_TYPE_P (TREE_TYPE (gimple_call_arg (stmt, i))))
+ if (POINTER_TYPE_P (TREE_TYPE (gimple_call_arg (stmt, i)))
+ && operand_equal_p (op, gimple_call_arg (stmt, i), 0))
return true;
}
return false;
/* If this function is marked as returning non-null, then we can
infer OP is non-null if it is used in the return statement. */
- if (gimple_code (stmt) == GIMPLE_RETURN
- && gimple_return_retval (stmt)
- && operand_equal_p (gimple_return_retval (stmt), op, 0)
- && lookup_attribute ("returns_nonnull",
- TYPE_ATTRIBUTES (TREE_TYPE (current_function_decl))))
- return true;
+ if (attribute)
+ if (greturn *return_stmt = dyn_cast <greturn *> (stmt))
+ if (gimple_return_retval (return_stmt)
+ && operand_equal_p (gimple_return_retval (return_stmt), op, 0)
+ && lookup_attribute ("returns_nonnull",
+ TYPE_ATTRIBUTES (TREE_TYPE (current_function_decl))))
+ return true;
return false;
}
low = CASE_HIGH (labels[i - 1]);
if (!low)
low = CASE_LOW (labels[i - 1]);
- if ((TREE_INT_CST_LOW (low) + 1
- != TREE_INT_CST_LOW (high))
- || (TREE_INT_CST_HIGH (low)
- + (TREE_INT_CST_LOW (high) == 0)
- != TREE_INT_CST_HIGH (high)))
+ if (wi::add (low, 1) != high)
break;
}
if (i == len)
if (default_casep)
*default_casep = default_case;
}
+
+/* Set the location of all statements in SEQ to LOC. */
+
+void
+gimple_seq_set_location (gimple_seq seq, location_t loc)
+{
+ for (gimple_stmt_iterator i = gsi_start (seq); !gsi_end_p (i); gsi_next (&i))
+ gimple_set_location (gsi_stmt (i), loc);
+}
+
+/* Release SSA_NAMEs in SEQ as well as the GIMPLE statements. */
+
+void
+gimple_seq_discard (gimple_seq seq)
+{
+ gimple_stmt_iterator gsi;
+
+ for (gsi = gsi_start (seq); !gsi_end_p (gsi); )
+ {
+ gimple stmt = gsi_stmt (gsi);
+ gsi_remove (&gsi, true);
+ release_defs (stmt);
+ ggc_free (stmt);
+ }
+}
+
+/* See if STMT now calls function that takes no parameters and if so, drop
+ call arguments. This is used when devirtualization machinery redirects
+ to __builtiln_unreacahble or __cxa_pure_virutal. */
+
+void
+maybe_remove_unused_call_args (struct function *fn, gimple stmt)
+{
+ tree decl = gimple_call_fndecl (stmt);
+ if (TYPE_ARG_TYPES (TREE_TYPE (decl))
+ && TREE_VALUE (TYPE_ARG_TYPES (TREE_TYPE (decl))) == void_type_node
+ && gimple_call_num_args (stmt))
+ {
+ gimple_set_num_ops (stmt, 3);
+ update_stmt_fn (fn, stmt);
+ }
+}
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