struct function *fun;
void vrp_initialize (struct function *);
- void vrp_finalize (bool);
+ void vrp_finalize (class vrp_folder *, bool);
class vr_values vr_values;
class vrp_folder : public substitute_and_fold_engine
{
-public:
- vrp_folder () : substitute_and_fold_engine (/* Fold all stmts. */ true) { }
+ public:
+ vrp_folder (vr_values *v)
+ : substitute_and_fold_engine (/* Fold all stmts. */ true),
+ m_vr_values (v), simplifier (v)
+ { }
tree get_value (tree, gimple *stmt) FINAL OVERRIDE;
bool fold_stmt (gimple_stmt_iterator *) FINAL OVERRIDE;
- class vr_values *vr_values;
+ class vr_values *m_vr_values;
private:
bool fold_predicate_in (gimple_stmt_iterator *);
/* Delegators. */
tree vrp_evaluate_conditional (tree_code code, tree op0,
tree op1, gimple *stmt)
- { return vr_values->vrp_evaluate_conditional (code, op0, op1, stmt); }
+ { return simplifier.vrp_evaluate_conditional (code, op0, op1, stmt); }
bool simplify_stmt_using_ranges (gimple_stmt_iterator *gsi)
- { return vr_values->simplify_stmt_using_ranges (gsi); }
+ { return simplifier.simplify (gsi); }
tree op_with_constant_singleton_value_range (tree op)
- { return vr_values->op_with_constant_singleton_value_range (op); }
+ { return m_vr_values->op_with_constant_singleton_value_range (op); }
+
+ simplify_using_ranges simplifier;
};
/* If the statement pointed by SI has a predicate whose value can be
tree op1 = gimple_cond_rhs (cond_stmt);
op1 = lhs_of_dominating_assert (op1, bb, stmt);
- return vr_values->vrp_evaluate_conditional (gimple_cond_code (cond_stmt),
+ simplify_using_ranges simplifier (vr_values);
+ return simplifier.vrp_evaluate_conditional (gimple_cond_code (cond_stmt),
op0, op1, within_stmt);
}
/* Traverse all the blocks folding conditionals with known ranges. */
void
-vrp_prop::vrp_finalize (bool warn_array_bounds_p)
+vrp_prop::vrp_finalize (vrp_folder *folder, bool warn_array_bounds_p)
{
size_t i;
if (warn_array_bounds && warn_array_bounds_p)
set_all_edges_as_executable (fun);
- class vrp_folder vrp_folder;
- vrp_folder.vr_values = &vr_values;
- vrp_folder.substitute_and_fold ();
+ folder->substitute_and_fold ();
if (warn_array_bounds && warn_array_bounds_p)
{
class vrp_prop vrp_prop;
vrp_prop.vrp_initialize (fun);
vrp_prop.ssa_propagate ();
- vrp_prop.vrp_finalize (warn_array_bounds_p);
+ /* Instantiate the folder here, so that edge cleanups happen at the
+ end of this function. */
+ vrp_folder folder (&vrp_prop.vr_values);
+ vrp_prop.vrp_finalize (&folder, warn_array_bounds_p);
/* We must identify jump threading opportunities before we release
the datastructures built by VRP. */
{
gimple *last = last_stmt (bb);
if (last && gimple_code (last) == GIMPLE_COND)
- vrp_prop.vr_values.simplify_cond_using_ranges_2 (as_a <gcond *> (last));
+ simplify_cond_using_ranges_2 (&vrp_prop.vr_values,
+ as_a <gcond *> (last));
}
free_numbers_of_iterations_estimates (fun);
processing by the pass manager. */
thread_through_all_blocks (false);
- vrp_prop.vr_values.cleanup_edges_and_switches ();
threadedge_finalize_values ();
scev_finalize ();
/* Return true if op is in a boolean [0, 1] value-range. */
bool
-vr_values::op_with_boolean_value_range_p (tree op)
+simplify_using_ranges::op_with_boolean_value_range_p (tree op)
{
- const value_range_equiv *vr;
-
if (TYPE_PRECISION (TREE_TYPE (op)) == 1)
return true;
if (TREE_CODE (op) != SSA_NAME)
return false;
- vr = get_value_range (op);
+ const value_range *vr = get_value_range (op);
return (vr->kind () == VR_RANGE
&& integer_zerop (vr->min ())
&& integer_onep (vr->max ()));
tree type, tree op0, tree op1)
{
bool sop;
- tree val;
-
- val = vrp_evaluate_conditional_warnv_with_ops (code, op0, op1, false, &sop,
- NULL);
+ tree val
+ = simplifier.vrp_evaluate_conditional_warnv_with_ops (code, op0, op1,
+ false, &sop, NULL);
if (val)
{
/* Since this expression was found on the RHS of an assignment,
always overflow. Set *OVF to true if it is known to always
overflow. */
-bool
-vr_values::check_for_binary_op_overflow (enum tree_code subcode, tree type,
- tree op0, tree op1, bool *ovf)
+static bool
+check_for_binary_op_overflow (vr_values *store,
+ enum tree_code subcode, tree type,
+ tree op0, tree op1, bool *ovf)
{
value_range vr0, vr1;
if (TREE_CODE (op0) == SSA_NAME)
- vr0 = *get_value_range (op0);
+ vr0 = *store->get_value_range (op0);
else if (TREE_CODE (op0) == INTEGER_CST)
vr0.set (op0);
else
vr0.set_varying (TREE_TYPE (op0));
if (TREE_CODE (op1) == SSA_NAME)
- vr1 = *get_value_range (op1);
+ vr1 = *store->get_value_range (op1);
else if (TREE_CODE (op1) == INTEGER_CST)
vr1.set (op1);
else
if (code == IMAGPART_EXPR)
{
bool ovf = false;
- if (check_for_binary_op_overflow (subcode, type,
+ if (check_for_binary_op_overflow (this, subcode, type,
op0, op1, &ovf))
vr->set (build_int_cst (type, ovf));
else if (TYPE_PRECISION (type) == 1
assumed signed overflow is undefined. */
static tree
-compare_range_with_value (enum tree_code comp, const value_range_equiv *vr,
+compare_range_with_value (enum tree_code comp, const value_range *vr,
tree val, bool *strict_overflow_p)
{
if (vr->varying_p () || vr->undefined_p ())
/* Initialize VRP lattice. */
-vr_values::vr_values () : vrp_value_range_pool ("Tree VRP value ranges")
+vr_values::vr_values () : vrp_value_range_pool ("Tree VRP value ranges"),
+ simplifier (this)
{
values_propagated = false;
num_vr_values = num_ssa_names * 2;
vr_value = XCNEWVEC (value_range_equiv *, num_vr_values);
vr_phi_edge_counts = XCNEWVEC (int, num_ssa_names);
bitmap_obstack_initialize (&vrp_equiv_obstack);
- to_remove_edges = vNULL;
- to_update_switch_stmts = vNULL;
}
/* Free VRP lattice. */
and not available. */
vr_value = NULL;
vr_phi_edge_counts = NULL;
-
- /* If there are entries left in TO_REMOVE_EDGES or TO_UPDATE_SWITCH_STMTS
- then an EVRP client did not clean up properly. Catch it now rather
- than seeing something more obscure later. */
- gcc_assert (to_remove_edges.is_empty ()
- && to_update_switch_stmts.is_empty ());
}
is varying or undefined. Uses TEM as storage for the alternate range. */
const value_range_equiv *
-vr_values::get_vr_for_comparison (int i, value_range_equiv *tem)
+simplify_using_ranges::get_vr_for_comparison (int i, value_range_equiv *tem)
{
/* Shallow-copy equiv bitmap. */
const value_range_equiv *vr = get_value_range (ssa_name (i));
*STRICT_OVERFLOW_P. */
tree
-vr_values::compare_name_with_value (enum tree_code comp, tree var, tree val,
- bool *strict_overflow_p, bool use_equiv_p)
+simplify_using_ranges::compare_name_with_value
+ (enum tree_code comp, tree var, tree val,
+ bool *strict_overflow_p, bool use_equiv_p)
{
/* Get the set of equivalences for VAR. */
bitmap e = get_value_range (var)->equiv ();
tree
-vr_values::compare_names (enum tree_code comp, tree n1, tree n2,
- bool *strict_overflow_p)
+simplify_using_ranges::compare_names (enum tree_code comp, tree n1, tree n2,
+ bool *strict_overflow_p)
{
/* Compare the ranges of every name equivalent to N1 against the
ranges of every name equivalent to N2. */
optimizers. */
tree
-vr_values::vrp_evaluate_conditional_warnv_with_ops_using_ranges
+simplify_using_ranges::vrp_evaluate_conditional_warnv_with_ops_using_ranges
(enum tree_code code, tree op0, tree op1, bool * strict_overflow_p)
{
const value_range_equiv *vr0, *vr1;
/* Helper function for vrp_evaluate_conditional_warnv. */
tree
-vr_values::vrp_evaluate_conditional_warnv_with_ops (enum tree_code code,
- tree op0, tree op1,
- bool use_equiv_p,
- bool *strict_overflow_p,
- bool *only_ranges)
+simplify_using_ranges::vrp_evaluate_conditional_warnv_with_ops
+ (enum tree_code code,
+ tree op0, tree op1,
+ bool use_equiv_p,
+ bool *strict_overflow_p,
+ bool *only_ranges)
{
tree ret;
if (only_ranges)
appropriate. */
tree
-vr_values::vrp_evaluate_conditional (tree_code code, tree op0,
- tree op1, gimple *stmt)
+simplify_using_ranges::vrp_evaluate_conditional (tree_code code, tree op0,
+ tree op1, gimple *stmt)
{
bool sop;
tree ret;
*TAKEN_EDGE_P. Otherwise, set *TAKEN_EDGE_P to NULL. */
void
-vr_values::vrp_visit_cond_stmt (gcond *stmt, edge *taken_edge_p)
+simplify_using_ranges::vrp_visit_cond_stmt (gcond *stmt, edge *taken_edge_p)
{
tree val;
fprintf (dump_file, "\t");
print_generic_expr (dump_file, use);
fprintf (dump_file, ": ");
- dump_value_range (dump_file, vr_value[SSA_NAME_VERSION (use)]);
+ dump_value_range (dump_file, get_value_range (use));
}
fprintf (dump_file, "\n");
Returns true if the default label is not needed. */
static bool
-find_case_label_ranges (gswitch *stmt, const value_range_equiv *vr,
+find_case_label_ranges (gswitch *stmt, const value_range *vr,
size_t *min_idx1, size_t *max_idx1,
size_t *min_idx2, size_t *max_idx2)
{
else if (is_gimple_assign (stmt) || is_gimple_call (stmt))
vrp_visit_assignment_or_call (stmt, output_p, vr);
else if (gimple_code (stmt) == GIMPLE_COND)
- vrp_visit_cond_stmt (as_a <gcond *> (stmt), taken_edge_p);
+ simplifier.vrp_visit_cond_stmt (as_a <gcond *> (stmt), taken_edge_p);
else if (gimple_code (stmt) == GIMPLE_SWITCH)
vrp_visit_switch_stmt (as_a <gswitch *> (stmt), taken_edge_p);
}
/* Simplify boolean operations if the source is known
to be already a boolean. */
bool
-vr_values::simplify_truth_ops_using_ranges (gimple_stmt_iterator *gsi,
- gimple *stmt)
+simplify_using_ranges::simplify_truth_ops_using_ranges
+ (gimple_stmt_iterator *gsi,
+ gimple *stmt)
{
enum tree_code rhs_code = gimple_assign_rhs_code (stmt);
tree lhs, op0, op1;
modulo. */
bool
-vr_values::simplify_div_or_mod_using_ranges (gimple_stmt_iterator *gsi,
- gimple *stmt)
+simplify_using_ranges::simplify_div_or_mod_using_ranges
+ (gimple_stmt_iterator *gsi,
+ gimple *stmt)
{
enum tree_code rhs_code = gimple_assign_rhs_code (stmt);
tree val = NULL;
tree op1 = gimple_assign_rhs2 (stmt);
tree op0min = NULL_TREE, op0max = NULL_TREE;
tree op1min = op1;
- const value_range_equiv *vr = NULL;
+ const value_range *vr = NULL;
if (TREE_CODE (op0) == INTEGER_CST)
{
disjoint. Return true if we do simplify. */
bool
-vr_values::simplify_min_or_max_using_ranges (gimple_stmt_iterator *gsi,
- gimple *stmt)
+simplify_using_ranges::simplify_min_or_max_using_ranges
+ (gimple_stmt_iterator *gsi,
+ gimple *stmt)
{
tree op0 = gimple_assign_rhs1 (stmt);
tree op1 = gimple_assign_rhs2 (stmt);
ABS_EXPR into a NEGATE_EXPR. */
bool
-vr_values::simplify_abs_using_ranges (gimple_stmt_iterator *gsi, gimple *stmt)
+simplify_using_ranges::simplify_abs_using_ranges (gimple_stmt_iterator *gsi,
+ gimple *stmt)
{
tree op = gimple_assign_rhs1 (stmt);
- const value_range_equiv *vr = get_value_range (op);
+ const value_range *vr = get_value_range (op);
if (vr)
{
operation is redundant. */
bool
-vr_values::simplify_bit_ops_using_ranges (gimple_stmt_iterator *gsi,
- gimple *stmt)
+simplify_using_ranges::simplify_bit_ops_using_ranges
+ (gimple_stmt_iterator *gsi,
+ gimple *stmt)
{
tree op0 = gimple_assign_rhs1 (stmt);
tree op1 = gimple_assign_rhs2 (stmt);
static tree
test_for_singularity (enum tree_code cond_code, tree op0,
- tree op1, const value_range_equiv *vr)
+ tree op1, const value_range *vr)
{
tree min = NULL;
tree max = NULL;
by PRECISION and UNSIGNED_P. */
static bool
-range_fits_type_p (const value_range_equiv *vr,
+range_fits_type_p (const value_range *vr,
unsigned dest_precision, signop dest_sgn)
{
tree src_type;
conditional as such, and return TRUE. */
bool
-vr_values::fold_cond (gcond *cond)
+simplify_using_ranges::fold_cond (gcond *cond)
{
/* ?? vrp_folder::fold_predicate_in() is a superset of this. At
some point we should merge all variants of this code. */
the original conditional. */
bool
-vr_values::simplify_cond_using_ranges_1 (gcond *stmt)
+simplify_using_ranges::simplify_cond_using_ranges_1 (gcond *stmt)
{
tree op0 = gimple_cond_lhs (stmt);
tree op1 = gimple_cond_rhs (stmt);
&& INTEGRAL_TYPE_P (TREE_TYPE (op0))
&& is_gimple_min_invariant (op1))
{
- const value_range_equiv *vr = get_value_range (op0);
+ const value_range *vr = get_value_range (op0);
/* If we have range information for OP0, then we might be
able to simplify this conditional. */
subsequent passes. */
void
-vr_values::simplify_cond_using_ranges_2 (gcond *stmt)
+simplify_cond_using_ranges_2 (vr_values *store, gcond *stmt)
{
tree op0 = gimple_cond_lhs (stmt);
tree op1 = gimple_cond_rhs (stmt);
&& !SSA_NAME_OCCURS_IN_ABNORMAL_PHI (innerop)
&& desired_pro_or_demotion_p (TREE_TYPE (innerop), TREE_TYPE (op0)))
{
- const value_range_equiv *vr = get_value_range (innerop);
+ const value_range *vr = store->get_value_range (innerop);
if (range_int_cst_p (vr)
&& range_fits_type_p (vr,
argument. */
bool
-vr_values::simplify_switch_using_ranges (gswitch *stmt)
+simplify_using_ranges::simplify_switch_using_ranges (gswitch *stmt)
{
tree op = gimple_switch_index (stmt);
- const value_range_equiv *vr = NULL;
+ const value_range *vr = NULL;
bool take_default;
edge e;
edge_iterator ei;
}
void
-vr_values::cleanup_edges_and_switches (void)
+simplify_using_ranges::cleanup_edges_and_switches (void)
{
int i;
edge e;
/* Simplify a conversion from integral SSA name to float in STMT. */
bool
-vr_values::simplify_float_conversion_using_ranges (gimple_stmt_iterator *gsi,
- gimple *stmt)
+simplify_using_ranges::simplify_float_conversion_using_ranges
+ (gimple_stmt_iterator *gsi,
+ gimple *stmt)
{
tree rhs1 = gimple_assign_rhs1 (stmt);
- const value_range_equiv *vr = get_value_range (rhs1);
+ const value_range *vr = get_value_range (rhs1);
scalar_float_mode fltmode
= SCALAR_FLOAT_TYPE_MODE (TREE_TYPE (gimple_assign_lhs (stmt)));
scalar_int_mode mode;
/* Simplify an internal fn call using ranges if possible. */
bool
-vr_values::simplify_internal_call_using_ranges (gimple_stmt_iterator *gsi,
- gimple *stmt)
+simplify_using_ranges::simplify_internal_call_using_ranges
+ (gimple_stmt_iterator *gsi,
+ gimple *stmt)
{
enum tree_code subcode;
bool is_ubsan = false;
return false;
else
type = TREE_TYPE (TREE_TYPE (gimple_call_lhs (stmt)));
- if (!check_for_binary_op_overflow (subcode, type, op0, op1, &ovf)
+ if (!check_for_binary_op_overflow (store, subcode, type, op0, op1, &ovf)
|| (is_ubsan && ovf))
return false;
two-values when it is true. Return false otherwise. */
bool
-vr_values::two_valued_val_range_p (tree var, tree *a, tree *b)
+simplify_using_ranges::two_valued_val_range_p (tree var, tree *a, tree *b)
{
- const value_range_equiv *vr = get_value_range (var);
+ const value_range *vr = get_value_range (var);
if (vr->varying_p ()
|| vr->undefined_p ()
|| TREE_CODE (vr->min ()) != INTEGER_CST
return false;
}
+simplify_using_ranges::simplify_using_ranges (vr_values *store)
+ : store (store)
+{
+ to_remove_edges = vNULL;
+ to_update_switch_stmts = vNULL;
+}
+
+simplify_using_ranges::~simplify_using_ranges ()
+{
+ cleanup_edges_and_switches ();
+}
+
/* Simplify STMT using ranges if possible. */
bool
-vr_values::simplify_stmt_using_ranges (gimple_stmt_iterator *gsi)
+simplify_using_ranges::simplify (gimple_stmt_iterator *gsi)
{
gimple *stmt = gsi_stmt (*gsi);
if (is_gimple_assign (stmt))
#include "value-range-equiv.h"
+// Class to simplify a statement using range information.
+//
+// The constructor takes a full vr_values, but all it needs is
+// get_value_range() from it. This class could be made to work with
+// any range repository.
+
+class simplify_using_ranges
+{
+public:
+ simplify_using_ranges (class vr_values *);
+ ~simplify_using_ranges ();
+ bool simplify (gimple_stmt_iterator *);
+
+ // ?? These should be cleaned, merged, and made private.
+ tree vrp_evaluate_conditional (tree_code, tree, tree, gimple *);
+ void vrp_visit_cond_stmt (gcond *, edge *);
+ tree vrp_evaluate_conditional_warnv_with_ops (enum tree_code,
+ tree, tree, bool,
+ bool *, bool *);
+
+private:
+ const value_range_equiv *get_value_range (const_tree op);
+ bool simplify_truth_ops_using_ranges (gimple_stmt_iterator *, gimple *);
+ bool simplify_div_or_mod_using_ranges (gimple_stmt_iterator *, gimple *);
+ bool simplify_abs_using_ranges (gimple_stmt_iterator *, gimple *);
+ bool simplify_bit_ops_using_ranges (gimple_stmt_iterator *, gimple *);
+ bool simplify_min_or_max_using_ranges (gimple_stmt_iterator *, gimple *);
+ bool simplify_cond_using_ranges_1 (gcond *);
+ bool fold_cond (gcond *);
+ bool simplify_switch_using_ranges (gswitch *);
+ bool simplify_float_conversion_using_ranges (gimple_stmt_iterator *,
+ gimple *);
+ bool simplify_internal_call_using_ranges (gimple_stmt_iterator *, gimple *);
+
+ bool two_valued_val_range_p (tree, tree *, tree *);
+ bool op_with_boolean_value_range_p (tree);
+ tree compare_name_with_value (enum tree_code, tree, tree, bool *, bool);
+ tree compare_names (enum tree_code, tree, tree, bool *);
+ const value_range_equiv *get_vr_for_comparison (int, value_range_equiv *);
+ tree vrp_evaluate_conditional_warnv_with_ops_using_ranges (enum tree_code,
+ tree, tree,
+ bool *);
+ void cleanup_edges_and_switches (void);
+
+ /* Vectors of edges that need removing and switch statements that
+ need updating. It is expected that a pass using the simplification
+ routines will, at the end of the pass, clean up the edges and
+ switch statements. The class dtor will try to detect cases
+ that do not follow that expectation. */
+ struct switch_update {
+ gswitch *stmt;
+ tree vec;
+ };
+
+ vec<edge> to_remove_edges;
+ vec<switch_update> to_update_switch_stmts;
+ class vr_values *store;
+};
+
/* The VR_VALUES class holds the current view of range information
for all the SSA_NAMEs in the IL.
tree op_with_constant_singleton_value_range (tree);
void adjust_range_with_scev (value_range_equiv *, class loop *,
gimple *, tree);
- tree vrp_evaluate_conditional (tree_code, tree, tree, gimple *);
void dump_all_value_ranges (FILE *);
void extract_range_for_var_from_comparison_expr (tree, enum tree_code,
void extract_range_basic (value_range_equiv *, gimple *);
void extract_range_from_stmt (gimple *, edge *, tree *, value_range_equiv *);
- void vrp_visit_cond_stmt (gcond *, edge *);
-
- void simplify_cond_using_ranges_2 (gcond *);
- bool simplify_stmt_using_ranges (gimple_stmt_iterator *);
-
/* Indicate that propagation through the lattice is complete. */
void set_lattice_propagation_complete (void) { values_propagated = true; }
void free_value_range (value_range_equiv *vr)
{ vrp_value_range_pool.remove (vr); }
- /* */
- void cleanup_edges_and_switches (void);
-
private:
value_range_equiv *get_lattice_entry (const_tree);
bool vrp_stmt_computes_nonzero (gimple *);
- bool op_with_boolean_value_range_p (tree);
- bool check_for_binary_op_overflow (enum tree_code, tree, tree, tree, bool *);
- const value_range_equiv *get_vr_for_comparison (int, value_range_equiv *);
- tree compare_name_with_value (enum tree_code, tree, tree, bool *, bool);
- tree compare_names (enum tree_code, tree, tree, bool *);
- bool two_valued_val_range_p (tree, tree *, tree *);
- tree vrp_evaluate_conditional_warnv_with_ops_using_ranges (enum tree_code,
- tree, tree,
- bool *);
- tree vrp_evaluate_conditional_warnv_with_ops (enum tree_code,
- tree, tree, bool,
- bool *, bool *);
void extract_range_from_assignment (value_range_equiv *, gassign *);
void extract_range_from_assert (value_range_equiv *, tree);
void extract_range_from_ssa_name (value_range_equiv *, tree);
tree, tree, tree);
void vrp_visit_assignment_or_call (gimple*, tree *, value_range_equiv *);
void vrp_visit_switch_stmt (gswitch *, edge *);
- bool simplify_truth_ops_using_ranges (gimple_stmt_iterator *, gimple *);
- bool simplify_div_or_mod_using_ranges (gimple_stmt_iterator *, gimple *);
- bool simplify_abs_using_ranges (gimple_stmt_iterator *, gimple *);
- bool simplify_bit_ops_using_ranges (gimple_stmt_iterator *, gimple *);
- bool simplify_min_or_max_using_ranges (gimple_stmt_iterator *, gimple *);
- bool simplify_cond_using_ranges_1 (gcond *);
- bool fold_cond (gcond *);
- bool simplify_switch_using_ranges (gswitch *);
- bool simplify_float_conversion_using_ranges (gimple_stmt_iterator *,
- gimple *);
- bool simplify_internal_call_using_ranges (gimple_stmt_iterator *, gimple *);
/* Allocation pools for value_range objects. */
object_allocator<value_range_equiv> vrp_value_range_pool;
number of executable edges we saw the last time we visited the
node. */
int *vr_phi_edge_counts;
-
- /* Vectors of edges that need removing and switch statements that
- need updating. It is expected that a pass using the simplification
- routines will, at the end of the pass, clean up the edges and
- switch statements. The class dtor will try to detect cases
- that do not follow that expectation. */
- struct switch_update {
- gswitch *stmt;
- tree vec;
- };
-
- vec<edge> to_remove_edges;
- vec<switch_update> to_update_switch_stmts;
+ simplify_using_ranges simplifier;
};
+inline const value_range_equiv *
+simplify_using_ranges::get_value_range (const_tree op)
+{
+ return store->get_value_range (op);
+}
+
extern tree get_output_for_vrp (gimple *);
+
+// FIXME: Move this to tree-vrp.c.
+void simplify_cond_using_ranges_2 (class vr_values *, gcond *);
+
#endif /* GCC_VR_VALUES_H */
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