in this table. */
static htab_t avail_exprs;
+/* Stack of available expressions in AVAIL_EXPRs. Each block pushes any
+ expressions it enters into the hash table along with a marker entry
+ (null). When we finsh processing the block, we pop off entries and
+ remove the expressions from the global hash table until we hit the
+ marker. */
+static varray_type avail_exprs_stack;
+
/* Stack of statements we need to rescan during finalization for newly
exposed variables.
struct dom_walk_block_data
{
- /* Array of all the expressions entered into the global expression
- hash table by this block. During finalization we use this array to
- know what expressions to remove from the global expression hash
- table. */
- varray_type avail_exprs;
-
/* Array of dest, src pairs that need to be restored during finalization
into the global const/copies table during finalization. */
varray_type const_and_copies;
block_stmt_iterator);
static inline tree get_value_for (tree, varray_type table);
static inline void set_value_for (tree, tree, varray_type table);
-static tree lookup_avail_expr (tree, varray_type *, bool);
-static struct eq_expr_value get_eq_expr_value (tree, int, varray_type *,
+static tree lookup_avail_expr (tree, bool);
+static struct eq_expr_value get_eq_expr_value (tree, int,
basic_block, varray_type *);
static hashval_t avail_expr_hash (const void *);
static hashval_t real_avail_expr_hash (const void *);
static int avail_expr_eq (const void *, const void *);
static void htab_statistics (FILE *, htab_t);
-static void record_cond (tree, tree, varray_type *);
-static void record_dominating_conditions (tree, varray_type *);
+static void record_cond (tree, tree);
+static void record_dominating_conditions (tree);
static void record_const_or_copy (tree, tree, varray_type *);
static void record_equality (tree, tree, varray_type *);
-static tree update_rhs_and_lookup_avail_expr (tree, tree, varray_type *, bool);
+static tree update_rhs_and_lookup_avail_expr (tree, tree, bool);
static tree simplify_rhs_and_lookup_avail_expr (struct dom_walk_data *,
tree, int);
-static tree simplify_cond_and_lookup_avail_expr (tree, varray_type *,
- stmt_ann_t, int);
-static tree simplify_switch_and_lookup_avail_expr (tree, varray_type *, int);
+static tree simplify_cond_and_lookup_avail_expr (tree, stmt_ann_t, int);
+static tree simplify_switch_and_lookup_avail_expr (tree, int);
static tree find_equivalent_equality_comparison (tree);
static void record_range (tree, basic_block, varray_type *);
static bool extract_range_from_cond (tree, tree *, tree *, int *);
basic_block);
static bool eliminate_redundant_computations (struct dom_walk_data *,
tree, stmt_ann_t);
-static void record_equivalences_from_stmt (tree, varray_type *, varray_type *,
+static void record_equivalences_from_stmt (tree, varray_type *,
int, stmt_ann_t);
static void thread_across_edge (struct dom_walk_data *, edge);
static void dom_opt_finalize_block (struct dom_walk_data *, basic_block);
basic_block, bool);
static void dom_opt_initialize_block (struct dom_walk_data *, basic_block);
static void cprop_into_phis (struct dom_walk_data *, basic_block);
-static void remove_local_expressions_from_table (varray_type locals,
- unsigned limit,
- htab_t table);
+static void remove_local_expressions_from_table (void);
static void restore_vars_to_original_value (varray_type locals,
unsigned limit,
varray_type table);
/* Create our hash tables. */
avail_exprs = htab_create (1024, real_avail_expr_hash, avail_expr_eq, free);
+ VARRAY_TREE_INIT (avail_exprs_stack, 20, "Available expression stack");
VARRAY_TREE_INIT (const_and_copies, num_ssa_names, "const_and_copies");
nonzero_vars = BITMAP_XMALLOC ();
VARRAY_GENERIC_PTR_INIT (vrp_data, num_ssa_names, "vrp_data");
if (TREE_CODE (TREE_OPERAND (stmt, 1)) == SSA_NAME)
cached_lhs = TREE_OPERAND (stmt, 1);
else
- cached_lhs = lookup_avail_expr (stmt, NULL, false);
+ cached_lhs = lookup_avail_expr (stmt, false);
lhs = TREE_OPERAND (stmt, 0);
}
/* Try to lookup the new expression. */
- cached_lhs = lookup_avail_expr (stmt, NULL, false);
+ cached_lhs = lookup_avail_expr (stmt, false);
/* Restore the statement's original uses/defs. */
for (i = 0; i < NUM_USES (uses); i++)
otherwise look it up in the hash tables. */
cached_lhs = local_fold (COND_EXPR_COND (dummy_cond));
if (! is_gimple_min_invariant (cached_lhs))
- cached_lhs = lookup_avail_expr (dummy_cond, NULL, false);
+ cached_lhs = lookup_avail_expr (dummy_cond, false);
if (!cached_lhs || ! is_gimple_min_invariant (cached_lhs))
{
cached_lhs = simplify_cond_and_lookup_avail_expr (dummy_cond,
- NULL,
NULL,
false);
}
cached_lhs = 0;
}
else
- cached_lhs = lookup_avail_expr (stmt, NULL, false);
+ cached_lhs = lookup_avail_expr (stmt, false);
if (cached_lhs)
{
make sure we clear them before using them! */
if (recycled)
{
- gcc_assert (!bd->avail_exprs
- || VARRAY_ACTIVE_SIZE (bd->avail_exprs) == 0);
gcc_assert (!bd->const_and_copies
|| VARRAY_ACTIVE_SIZE (bd->const_and_copies) == 0);
gcc_assert (!bd->nonzero_vars
if (dump_file && (dump_flags & TDF_DETAILS))
fprintf (dump_file, "\n\nOptimizing block #%d\n\n", bb->index);
+ /* Push a marker on AVAIL_EXPRS_STACK so that we know how far to unwind
+ when we finalize this blcok. */
+ VARRAY_PUSH_TREE (avail_exprs_stack, NULL_TREE);
+
record_equivalences_from_incoming_edge (walk_data, bb);
/* PHI nodes can create equivalences too. */
LIMIT entries left in LOCALs. */
static void
-remove_local_expressions_from_table (varray_type locals,
- unsigned limit,
- htab_t table)
+remove_local_expressions_from_table (void)
{
- if (! locals)
- return;
-
/* Remove all the expressions made available in this block. */
- while (VARRAY_ACTIVE_SIZE (locals) > limit)
+ while (VARRAY_ACTIVE_SIZE (avail_exprs_stack) > 0)
{
struct expr_hash_elt element;
- tree expr = VARRAY_TOP_TREE (locals);
- VARRAY_POP (locals);
+ tree expr = VARRAY_TOP_TREE (avail_exprs_stack);
+ VARRAY_POP (avail_exprs_stack);
+
+ if (expr == NULL_TREE)
+ break;
initialize_hash_element (expr, NULL, &element);
- htab_remove_elt_with_hash (table, &element, element.hash);
+ htab_remove_elt_with_hash (avail_exprs, &element, element.hash);
}
}
if (get_immediate_dominator (CDI_DOMINATORS, true_edge->dest) != bb
|| phi_nodes (true_edge->dest))
{
- unsigned avail_expr_limit;
unsigned const_and_copies_limit;
unsigned currdefs_limit;
- avail_expr_limit
- = bd->avail_exprs ? VARRAY_ACTIVE_SIZE (bd->avail_exprs) : 0;
const_and_copies_limit
= bd->const_and_copies ? VARRAY_ACTIVE_SIZE (bd->const_and_copies)
: 0;
currdefs_limit
= bd->block_defs ? VARRAY_ACTIVE_SIZE (bd->block_defs) : 0;
+ /* Push a marker onto the available expression stack so that we
+ unwind any expressions related to the TRUE arm before processing
+ the false arm below. */
+ VARRAY_PUSH_TREE (avail_exprs_stack, NULL_TREE);
+
/* Record any equivalences created by following this edge. */
if (TREE_CODE_CLASS (cond_code) == '<')
{
- record_cond (cond, boolean_true_node, &bd->avail_exprs);
- record_dominating_conditions (cond, &bd->avail_exprs);
- record_cond (inverted, boolean_false_node, &bd->avail_exprs);
+ record_cond (cond, boolean_true_node);
+ record_dominating_conditions (cond);
+ record_cond (inverted, boolean_false_node);
}
else if (cond_code == SSA_NAME)
record_const_or_copy (cond, boolean_true_node,
/* And restore the various tables to their state before
we threaded this edge. */
- remove_local_expressions_from_table (bd->avail_exprs,
- avail_expr_limit,
- avail_exprs);
+ remove_local_expressions_from_table ();
restore_vars_to_original_value (bd->const_and_copies,
const_and_copies_limit,
const_and_copies);
/* Record any equivalences created by following this edge. */
if (TREE_CODE_CLASS (cond_code) == '<')
{
- record_cond (cond, boolean_false_node, &bd->avail_exprs);
- record_cond (inverted, boolean_true_node, &bd->avail_exprs);
- record_dominating_conditions (inverted, &bd->avail_exprs);
+ record_cond (cond, boolean_false_node);
+ record_cond (inverted, boolean_true_node);
+ record_dominating_conditions (inverted);
}
else if (cond_code == SSA_NAME)
record_const_or_copy (cond, boolean_false_node,
}
}
- remove_local_expressions_from_table (bd->avail_exprs, 0, avail_exprs);
+ remove_local_expressions_from_table ();
restore_nonzero_vars_to_original_value (bd->nonzero_vars, 0, nonzero_vars);
restore_vars_to_original_value (bd->const_and_copies, 0, const_and_copies);
restore_currdefs_to_original_value (bd->block_defs, 0);
&& (edge_flags & (EDGE_TRUE_VALUE | EDGE_FALSE_VALUE)))
eq_expr_value = get_eq_expr_value (parent_block_last_stmt,
(edge_flags & EDGE_TRUE_VALUE) != 0,
- &bd->avail_exprs,
bb,
&bd->vrp_variables);
/* Similarly when the parent block ended in a SWITCH_EXPR.
that the condition COND has the value VALUE. */
static void
-record_cond (tree cond, tree value, varray_type *block_avail_exprs_p)
+record_cond (tree cond, tree value)
{
struct expr_hash_elt *element = xmalloc (sizeof (struct expr_hash_elt));
void **slot;
if (*slot == NULL)
{
*slot = (void *) element;
- if (! *block_avail_exprs_p)
- VARRAY_TREE_INIT (*block_avail_exprs_p, 20, "block_avail_exprs");
- VARRAY_PUSH_TREE (*block_avail_exprs_p, cond);
+ VARRAY_PUSH_TREE (avail_exprs_stack, cond);
}
else
free (element);
For example, if a < b is true, then a <= b must also be true. */
static void
-record_dominating_conditions (tree cond, varray_type *block_avail_exprs_p)
+record_dominating_conditions (tree cond)
{
switch (TREE_CODE (cond))
{
record_cond (build2 (LE_EXPR, boolean_type_node,
TREE_OPERAND (cond, 0),
TREE_OPERAND (cond, 1)),
- boolean_true_node,
- block_avail_exprs_p);
+ boolean_true_node);
record_cond (build2 (ORDERED_EXPR, boolean_type_node,
TREE_OPERAND (cond, 0),
TREE_OPERAND (cond, 1)),
- boolean_true_node,
- block_avail_exprs_p);
+ boolean_true_node);
record_cond (build2 (NE_EXPR, boolean_type_node,
TREE_OPERAND (cond, 0),
TREE_OPERAND (cond, 1)),
- boolean_true_node,
- block_avail_exprs_p);
+ boolean_true_node);
record_cond (build2 (LTGT_EXPR, boolean_type_node,
TREE_OPERAND (cond, 0),
TREE_OPERAND (cond, 1)),
- boolean_true_node,
- block_avail_exprs_p);
+ boolean_true_node);
break;
case GT_EXPR:
record_cond (build2 (GE_EXPR, boolean_type_node,
TREE_OPERAND (cond, 0),
TREE_OPERAND (cond, 1)),
- boolean_true_node,
- block_avail_exprs_p);
+ boolean_true_node);
record_cond (build2 (ORDERED_EXPR, boolean_type_node,
TREE_OPERAND (cond, 0),
TREE_OPERAND (cond, 1)),
- boolean_true_node,
- block_avail_exprs_p);
+ boolean_true_node);
record_cond (build2 (NE_EXPR, boolean_type_node,
TREE_OPERAND (cond, 0),
TREE_OPERAND (cond, 1)),
- boolean_true_node,
- block_avail_exprs_p);
+ boolean_true_node);
record_cond (build2 (LTGT_EXPR, boolean_type_node,
TREE_OPERAND (cond, 0),
TREE_OPERAND (cond, 1)),
- boolean_true_node,
- block_avail_exprs_p);
+ boolean_true_node);
break;
case GE_EXPR:
record_cond (build2 (ORDERED_EXPR, boolean_type_node,
TREE_OPERAND (cond, 0),
TREE_OPERAND (cond, 1)),
- boolean_true_node,
- block_avail_exprs_p);
+ boolean_true_node);
break;
case EQ_EXPR:
record_cond (build2 (ORDERED_EXPR, boolean_type_node,
TREE_OPERAND (cond, 0),
TREE_OPERAND (cond, 1)),
- boolean_true_node,
- block_avail_exprs_p);
+ boolean_true_node);
record_cond (build2 (LE_EXPR, boolean_type_node,
TREE_OPERAND (cond, 0),
TREE_OPERAND (cond, 1)),
- boolean_true_node,
- block_avail_exprs_p);
+ boolean_true_node);
record_cond (build2 (GE_EXPR, boolean_type_node,
TREE_OPERAND (cond, 0),
TREE_OPERAND (cond, 1)),
- boolean_true_node,
- block_avail_exprs_p);
+ boolean_true_node);
break;
case UNORDERED_EXPR:
record_cond (build2 (NE_EXPR, boolean_type_node,
TREE_OPERAND (cond, 0),
TREE_OPERAND (cond, 1)),
- boolean_true_node,
- block_avail_exprs_p);
+ boolean_true_node);
record_cond (build2 (UNLE_EXPR, boolean_type_node,
TREE_OPERAND (cond, 0),
TREE_OPERAND (cond, 1)),
- boolean_true_node,
- block_avail_exprs_p);
+ boolean_true_node);
record_cond (build2 (UNGE_EXPR, boolean_type_node,
TREE_OPERAND (cond, 0),
TREE_OPERAND (cond, 1)),
- boolean_true_node,
- block_avail_exprs_p);
+ boolean_true_node);
record_cond (build2 (UNEQ_EXPR, boolean_type_node,
TREE_OPERAND (cond, 0),
TREE_OPERAND (cond, 1)),
- boolean_true_node,
- block_avail_exprs_p);
+ boolean_true_node);
record_cond (build2 (UNLT_EXPR, boolean_type_node,
TREE_OPERAND (cond, 0),
TREE_OPERAND (cond, 1)),
- boolean_true_node,
- block_avail_exprs_p);
+ boolean_true_node);
record_cond (build2 (UNGT_EXPR, boolean_type_node,
TREE_OPERAND (cond, 0),
TREE_OPERAND (cond, 1)),
- boolean_true_node,
- block_avail_exprs_p);
+ boolean_true_node);
break;
case UNLT_EXPR:
record_cond (build2 (UNLE_EXPR, boolean_type_node,
TREE_OPERAND (cond, 0),
TREE_OPERAND (cond, 1)),
- boolean_true_node,
- block_avail_exprs_p);
+ boolean_true_node);
record_cond (build2 (NE_EXPR, boolean_type_node,
TREE_OPERAND (cond, 0),
TREE_OPERAND (cond, 1)),
- boolean_true_node,
- block_avail_exprs_p);
+ boolean_true_node);
break;
case UNGT_EXPR:
record_cond (build2 (UNGE_EXPR, boolean_type_node,
TREE_OPERAND (cond, 0),
TREE_OPERAND (cond, 1)),
- boolean_true_node,
- block_avail_exprs_p);
+ boolean_true_node);
record_cond (build2 (NE_EXPR, boolean_type_node,
TREE_OPERAND (cond, 0),
TREE_OPERAND (cond, 1)),
- boolean_true_node,
- block_avail_exprs_p);
+ boolean_true_node);
break;
case UNEQ_EXPR:
record_cond (build2 (UNLE_EXPR, boolean_type_node,
TREE_OPERAND (cond, 0),
TREE_OPERAND (cond, 1)),
- boolean_true_node,
- block_avail_exprs_p);
+ boolean_true_node);
record_cond (build2 (UNGE_EXPR, boolean_type_node,
TREE_OPERAND (cond, 0),
TREE_OPERAND (cond, 1)),
- boolean_true_node,
- block_avail_exprs_p);
+ boolean_true_node);
break;
case LTGT_EXPR:
record_cond (build2 (NE_EXPR, boolean_type_node,
TREE_OPERAND (cond, 0),
TREE_OPERAND (cond, 1)),
- boolean_true_node,
- block_avail_exprs_p);
+ boolean_true_node);
record_cond (build2 (ORDERED_EXPR, boolean_type_node,
TREE_OPERAND (cond, 0),
TREE_OPERAND (cond, 1)),
- boolean_true_node,
- block_avail_exprs_p);
+ boolean_true_node);
default:
break;
tree rhs = TREE_OPERAND (stmt, 1);
enum tree_code rhs_code = TREE_CODE (rhs);
tree result = NULL;
- struct dom_walk_block_data *bd
- = VARRAY_TOP_GENERIC_PTR (walk_data->block_data_stack);
/* If we have lhs = ~x, look and see if we earlier had x = ~y.
In which case we can change this statement to be lhs = y.
&& ! SSA_NAME_OCCURS_IN_ABNORMAL_PHI (rhs_def_operand))
result = update_rhs_and_lookup_avail_expr (stmt,
rhs_def_operand,
- &bd->avail_exprs,
insert);
}
}
|| TREE_CODE_CLASS (TREE_CODE (t)) == '<')
&& TREE_CODE (TREE_OPERAND (t, 0)) == SSA_NAME
&& is_gimple_val (TREE_OPERAND (t, 1))))
- result = update_rhs_and_lookup_avail_expr
- (stmt, t, &bd->avail_exprs, insert);
+ result = update_rhs_and_lookup_avail_expr (stmt, t, insert);
}
}
}
TREE_OPERAND (TREE_OPERAND (dummy_cond, 0), 1)
= integer_zero_node;
}
- val = simplify_cond_and_lookup_avail_expr (dummy_cond,
- &bd->avail_exprs,
- NULL, false);
+ val = simplify_cond_and_lookup_avail_expr (dummy_cond, NULL, false);
}
if (val && integer_onep (val))
local_fold (build (MINUS_EXPR, TREE_TYPE (op1),
op1, integer_one_node)));
- result = update_rhs_and_lookup_avail_expr (stmt, t,
- &bd->avail_exprs, insert);
+ result = update_rhs_and_lookup_avail_expr (stmt, t, insert);
}
}
TREE_OPERAND (TREE_OPERAND (dummy_cond, 0), 1)
= build_int_cst (type, 0);
}
- val = simplify_cond_and_lookup_avail_expr (dummy_cond,
- &bd->avail_exprs,
- NULL, false);
+ val = simplify_cond_and_lookup_avail_expr (dummy_cond, NULL, false);
if (!val)
{
= build_int_cst (type, 0);
val = simplify_cond_and_lookup_avail_expr (dummy_cond,
- &bd->avail_exprs,
NULL, false);
if (val)
else
t = op;
- result = update_rhs_and_lookup_avail_expr (stmt, t,
- &bd->avail_exprs, insert);
+ result = update_rhs_and_lookup_avail_expr (stmt, t, insert);
}
}
tree t = fold_read_from_constant_string (rhs);
if (t)
- result = update_rhs_and_lookup_avail_expr (stmt, t,
- &bd->avail_exprs, insert);
+ result = update_rhs_and_lookup_avail_expr (stmt, t, insert);
}
return result;
static tree
simplify_cond_and_lookup_avail_expr (tree stmt,
- varray_type *block_avail_exprs_p,
stmt_ann_t ann,
int insert)
{
/* Lookup the condition and return its known value if it
exists. */
- new_cond = lookup_avail_expr (stmt, block_avail_exprs_p,
- insert);
+ new_cond = lookup_avail_expr (stmt, insert);
if (new_cond)
return new_cond;
condition which we may be able to optimize better. */
static tree
-simplify_switch_and_lookup_avail_expr (tree stmt,
- varray_type *block_avail_exprs_p,
- int insert)
+simplify_switch_and_lookup_avail_expr (tree stmt, int insert)
{
tree cond = SWITCH_COND (stmt);
tree def, to, ti;
SWITCH_COND (stmt) = def;
modify_stmt (stmt);
- return lookup_avail_expr (stmt, block_avail_exprs_p, insert);
+ return lookup_avail_expr (stmt, insert);
}
}
}
bool insert = true;
tree cached_lhs;
bool retval = false;
- struct dom_walk_block_data *bd
- = VARRAY_TOP_GENERIC_PTR (walk_data->block_data_stack);
if (TREE_CODE (stmt) == MODIFY_EXPR)
def = TREE_OPERAND (stmt, 0);
insert = false;
/* Check if the expression has been computed before. */
- cached_lhs = lookup_avail_expr (stmt, &bd->avail_exprs, insert);
+ cached_lhs = lookup_avail_expr (stmt, insert);
/* If this is an assignment and the RHS was not in the hash table,
then try to simplify the RHS and lookup the new RHS in the
hash table. */
if (! cached_lhs && TREE_CODE (stmt) == MODIFY_EXPR)
- cached_lhs = simplify_rhs_and_lookup_avail_expr (walk_data,
- stmt,
- insert);
+ cached_lhs = simplify_rhs_and_lookup_avail_expr (walk_data, stmt, insert);
/* Similarly if this is a COND_EXPR and we did not find its
expression in the hash table, simplify the condition and
try again. */
else if (! cached_lhs && TREE_CODE (stmt) == COND_EXPR)
- cached_lhs = simplify_cond_and_lookup_avail_expr (stmt,
- &bd->avail_exprs,
- ann,
- insert);
+ cached_lhs = simplify_cond_and_lookup_avail_expr (stmt, ann, insert);
/* Similarly for a SWITCH_EXPR. */
else if (!cached_lhs && TREE_CODE (stmt) == SWITCH_EXPR)
- cached_lhs = simplify_switch_and_lookup_avail_expr (stmt,
- &bd->avail_exprs,
- insert);
+ cached_lhs = simplify_switch_and_lookup_avail_expr (stmt, insert);
opt_stats.num_exprs_considered++;
static void
record_equivalences_from_stmt (tree stmt,
- varray_type *block_avail_exprs_p,
varray_type *block_nonzero_vars_p,
int may_optimize_p,
stmt_ann_t ann)
/* Finally enter the statement into the available expression
table. */
- lookup_avail_expr (new, block_avail_exprs_p, true);
+ lookup_avail_expr (new, true);
}
}
}
/* Record any additional equivalences created by this statement. */
if (TREE_CODE (stmt) == MODIFY_EXPR)
record_equivalences_from_stmt (stmt,
- &bd->avail_exprs,
&bd->nonzero_vars,
may_optimize_p,
ann);
hash table to account for the changes made to STMT. */
static tree
-update_rhs_and_lookup_avail_expr (tree stmt, tree new_rhs,
- varray_type *block_avail_exprs_p,
- bool insert)
+update_rhs_and_lookup_avail_expr (tree stmt, tree new_rhs, bool insert)
{
tree cached_lhs = NULL;
TREE_OPERAND (stmt, 1) = new_rhs;
/* Now lookup the updated statement in the hash table. */
- cached_lhs = lookup_avail_expr (stmt, block_avail_exprs_p, insert);
+ cached_lhs = lookup_avail_expr (stmt, insert);
/* We have now called lookup_avail_expr twice with two different
versions of this same statement, once in optimize_stmt, once here.
we found a copy of this statement in the second hash table lookup
we want _no_ copies of this statement in BLOCK_AVAIL_EXPRs. */
if (insert)
- VARRAY_POP (*block_avail_exprs_p);
+ VARRAY_POP (avail_exprs_stack);
/* And make sure we record the fact that we modified this
statement. */
aliased references. */
static tree
-lookup_avail_expr (tree stmt, varray_type *block_avail_exprs_p, bool insert)
+lookup_avail_expr (tree stmt, bool insert)
{
void **slot;
tree lhs;
if (*slot == NULL)
{
*slot = (void *) element;
- if (! *block_avail_exprs_p)
- VARRAY_TREE_INIT (*block_avail_exprs_p, 20, "block_avail_exprs");
- VARRAY_PUSH_TREE (*block_avail_exprs_p, stmt ? stmt : element->rhs);
+ VARRAY_PUSH_TREE (avail_exprs_stack, stmt ? stmt : element->rhs);
return NULL_TREE;
}
static struct eq_expr_value
get_eq_expr_value (tree if_stmt,
int true_arm,
- varray_type *block_avail_exprs_p,
basic_block bb,
varray_type *vrp_variables_p)
{
condition into the hash table. */
if (true_arm)
{
- record_cond (cond, boolean_true_node, block_avail_exprs_p);
- record_dominating_conditions (cond, block_avail_exprs_p);
- record_cond (inverted, boolean_false_node, block_avail_exprs_p);
+ record_cond (cond, boolean_true_node);
+ record_dominating_conditions (cond);
+ record_cond (inverted, boolean_false_node);
if (TREE_CONSTANT (op1))
record_range (cond, bb, vrp_variables_p);
else
{
- record_cond (inverted, boolean_true_node, block_avail_exprs_p);
- record_dominating_conditions (inverted, block_avail_exprs_p);
- record_cond (cond, boolean_false_node, block_avail_exprs_p);
+ record_cond (inverted, boolean_true_node);
+ record_dominating_conditions (inverted);
+ record_cond (cond, boolean_false_node);
if (TREE_CONSTANT (op1))
record_range (inverted, bb, vrp_variables_p);
projects / gcc.git / commitdiff