loop_optimizer_init (0);
if (current_loops)
{
- mark_loop_exit_edges (current_loops);
+ mark_loop_exit_edges ();
loop_optimizer_finalize ();
}
TV_TREE_SSA_DOMINATOR_OPTS, /* tv_id */
PROP_cfg | PROP_ssa | PROP_alias, /* properties_required */
0, /* properties_provided */
- PROP_smt_usage, /* properties_destroyed */
+ 0, /* properties_destroyed */
0, /* todo_flags_start */
TODO_dump_func
| TODO_update_ssa
else if (TREE_CODE (expr) == RETURN_EXPR && TREE_OPERAND (expr, 0))
{
element->stmt = expr;
- element->rhs = TREE_OPERAND (TREE_OPERAND (expr, 0), 1);
+ element->rhs = GIMPLE_STMT_OPERAND (TREE_OPERAND (expr, 0), 1);
}
else if (TREE_CODE (expr) == GOTO_EXPR)
{
else
{
element->stmt = expr;
- element->rhs = TREE_OPERAND (expr, 1);
+ element->rhs = GENERIC_TREE_OPERAND (expr, 1);
}
element->lhs = lhs;
tree lhs, rhs, preinc, phi;
unsigned i;
- if (TREE_CODE (stmt) != MODIFY_EXPR)
+ if (TREE_CODE (stmt) != GIMPLE_MODIFY_STMT)
return false;
- lhs = TREE_OPERAND (stmt, 0);
+ lhs = GIMPLE_STMT_OPERAND (stmt, 0);
if (TREE_CODE (lhs) != SSA_NAME)
return false;
- rhs = TREE_OPERAND (stmt, 1);
+ rhs = GIMPLE_STMT_OPERAND (stmt, 1);
if (TREE_CODE (rhs) != PLUS_EXPR
&& TREE_CODE (rhs) != MINUS_EXPR)
bool retval = false;
bool modify_expr_p = false;
- if (TREE_CODE (stmt) == MODIFY_EXPR)
- def = TREE_OPERAND (stmt, 0);
+ if (TREE_CODE (stmt) == GIMPLE_MODIFY_STMT)
+ def = GIMPLE_STMT_OPERAND (stmt, 0);
/* Certain expressions on the RHS can be optimized away, but can not
themselves be entered into the hash tables. */
expr_p = &SWITCH_COND (stmt);
else if (TREE_CODE (stmt) == RETURN_EXPR && TREE_OPERAND (stmt, 0))
{
- expr_p = &TREE_OPERAND (TREE_OPERAND (stmt, 0), 1);
+ expr_p = &GIMPLE_STMT_OPERAND (TREE_OPERAND (stmt, 0), 1);
modify_expr_p = true;
}
else
{
- expr_p = &TREE_OPERAND (stmt, 1);
+ expr_p = &GENERIC_TREE_OPERAND (stmt, 1);
modify_expr_p = true;
}
return retval;
}
-/* STMT, a MODIFY_EXPR, may create certain equivalences, in either
+/* STMT, a GIMPLE_MODIFY_STMT, may create certain equivalences, in either
the available expressions table or the const_and_copies table.
Detect and record those equivalences. */
int may_optimize_p,
stmt_ann_t ann)
{
- tree lhs = TREE_OPERAND (stmt, 0);
+ tree lhs = GIMPLE_STMT_OPERAND (stmt, 0);
enum tree_code lhs_code = TREE_CODE (lhs);
if (lhs_code == SSA_NAME)
{
- tree rhs = TREE_OPERAND (stmt, 1);
+ tree rhs = GIMPLE_STMT_OPERAND (stmt, 1);
/* Strip away any useless type conversions. */
STRIP_USELESS_TYPE_CONVERSION (rhs);
vops and recording the result in the available expression table,
we may be able to expose more redundant loads. */
if (!ann->has_volatile_ops
- && (TREE_CODE (TREE_OPERAND (stmt, 1)) == SSA_NAME
- || is_gimple_min_invariant (TREE_OPERAND (stmt, 1)))
+ && (TREE_CODE (GIMPLE_STMT_OPERAND (stmt, 1)) == SSA_NAME
+ || is_gimple_min_invariant (GIMPLE_STMT_OPERAND (stmt, 1)))
&& !is_gimple_reg (lhs))
{
- tree rhs = TREE_OPERAND (stmt, 1);
+ tree rhs = GIMPLE_STMT_OPERAND (stmt, 1);
tree new;
/* FIXME: If the LHS of the assignment is a bitfield and the RHS
if (rhs)
{
/* Build a new statement with the RHS and LHS exchanged. */
- new = build2 (MODIFY_EXPR, TREE_TYPE (stmt), rhs, lhs);
+ new = build2_gimple (GIMPLE_MODIFY_STMT, rhs, lhs);
create_ssa_artficial_load_stmt (new, stmt);
may_optimize_p = (!ann->has_volatile_ops
&& ((TREE_CODE (stmt) == RETURN_EXPR
&& TREE_OPERAND (stmt, 0)
- && TREE_CODE (TREE_OPERAND (stmt, 0)) == MODIFY_EXPR
+ && TREE_CODE (TREE_OPERAND (stmt, 0))
+ == GIMPLE_MODIFY_STMT
&& ! (TREE_SIDE_EFFECTS
- (TREE_OPERAND (TREE_OPERAND (stmt, 0), 1))))
- || (TREE_CODE (stmt) == MODIFY_EXPR
- && ! TREE_SIDE_EFFECTS (TREE_OPERAND (stmt, 1)))
+ (GIMPLE_STMT_OPERAND
+ (TREE_OPERAND (stmt, 0), 1))))
+ || (TREE_CODE (stmt) == GIMPLE_MODIFY_STMT
+ && ! TREE_SIDE_EFFECTS (GIMPLE_STMT_OPERAND (stmt,
+ 1)))
|| TREE_CODE (stmt) == COND_EXPR
|| TREE_CODE (stmt) == SWITCH_EXPR));
may_have_exposed_new_symbols |= eliminate_redundant_computations (stmt);
/* Record any additional equivalences created by this statement. */
- if (TREE_CODE (stmt) == MODIFY_EXPR)
+ if (TREE_CODE (stmt) == GIMPLE_MODIFY_STMT)
record_equivalences_from_stmt (stmt,
may_optimize_p,
ann);
is also added to the stack pointed to by BLOCK_AVAIL_EXPRS_P, so that they
can be removed when we finish processing this block and its children.
- NOTE: This function assumes that STMT is a MODIFY_EXPR node that
+ NOTE: This function assumes that STMT is a GIMPLE_MODIFY_STMT node that
contains no CALL_EXPR on its RHS and makes no volatile nor
aliased references. */
tree temp;
struct expr_hash_elt *element = XNEW (struct expr_hash_elt);
- lhs = TREE_CODE (stmt) == MODIFY_EXPR ? TREE_OPERAND (stmt, 0) : NULL;
+ lhs = TREE_CODE (stmt) == GIMPLE_MODIFY_STMT
+ ? GIMPLE_STMT_OPERAND (stmt, 0) : NULL;
initialize_hash_element (stmt, lhs, element);
}
/* Hashing and equality functions for AVAIL_EXPRS. The table stores
- MODIFY_EXPR statements. We compute a value number for expressions using
- the code of the expression and the SSA numbers of its operands. */
+ GIMPLE_MODIFY_STMT statements. We compute a value number for expressions
+ using the code of the expression and the SSA numbers of its operands. */
static hashval_t
avail_expr_hash (const void *p)
return (i == PHI_NUM_ARGS (phi) ? val : NULL);
}
-/* Given a tree node T, which is either a PHI_NODE or MODIFY_EXPR,
+/* Given a tree node T, which is either a PHI_NODE or GIMPLE_MODIFY_STMT,
remove it from the IL. */
static void
}
}
-/* Given a tree node T, which is either a PHI_NODE or MODIFY_EXPR,
+/* Given a tree node T, which is either a PHI_NODE or GIMPLE_MODIFY_STMT,
return the "rhs" of the node, in the case of a non-degenerate
PHI, NULL is returned. */
{
if (TREE_CODE (t) == PHI_NODE)
return degenerate_phi_result (t);
- else if (TREE_CODE (t) == MODIFY_EXPR)
- return TREE_OPERAND (t, 1);
+ else if (TREE_CODE (t) == GIMPLE_MODIFY_STMT)
+ return GIMPLE_STMT_OPERAND (t, 1);
gcc_unreachable ();
}
-/* Given a tree node T, which is either a PHI_NODE or a MODIFY_EXPR,
+/* Given a tree node T, which is either a PHI_NODE or a GIMPLE_MODIFY_STMT,
return the "lhs" of the node. */
static tree
{
if (TREE_CODE (t) == PHI_NODE)
return PHI_RESULT (t);
- else if (TREE_CODE (t) == MODIFY_EXPR)
- return TREE_OPERAND (t, 0);
+ else if (TREE_CODE (t) == GIMPLE_MODIFY_STMT)
+ return GIMPLE_STMT_OPERAND (t, 0);
gcc_unreachable ();
}
/* If we replaced a variable index with a constant, then
we would need to update the invariant flag for ADDR_EXPRs. */
- if (TREE_CODE (use_stmt) == MODIFY_EXPR
- && TREE_CODE (TREE_OPERAND (use_stmt, 1)) == ADDR_EXPR)
- recompute_tree_invariant_for_addr_expr (TREE_OPERAND (use_stmt, 1));
+ if (TREE_CODE (use_stmt) == GIMPLE_MODIFY_STMT
+ && TREE_CODE (GIMPLE_STMT_OPERAND (use_stmt, 1)) == ADDR_EXPR)
+ recompute_tree_invariant_for_addr_expr
+ (GIMPLE_STMT_OPERAND (use_stmt, 1));
/* If we cleaned up EH information from the statement,
mark its containing block as needing EH cleanups. */
/* Propagation may expose new trivial copy/constant propagation
opportunities. */
- if (TREE_CODE (use_stmt) == MODIFY_EXPR
- && TREE_CODE (TREE_OPERAND (use_stmt, 0)) == SSA_NAME
- && (TREE_CODE (TREE_OPERAND (use_stmt, 1)) == SSA_NAME
- || is_gimple_min_invariant (TREE_OPERAND (use_stmt, 1))))
+ if (TREE_CODE (use_stmt) == GIMPLE_MODIFY_STMT
+ && TREE_CODE (GIMPLE_STMT_OPERAND (use_stmt, 0)) == SSA_NAME
+ && (TREE_CODE (GIMPLE_STMT_OPERAND (use_stmt, 1)) == SSA_NAME
+ || is_gimple_min_invariant (GIMPLE_STMT_OPERAND (use_stmt,
+ 1))))
{
tree result = get_lhs_or_phi_result (use_stmt);
bitmap_set_bit (interesting_names, SSA_NAME_VERSION (result));
TV_TREE_PHI_CPROP, /* tv_id */
PROP_cfg | PROP_ssa | PROP_alias, /* properties_required */
0, /* properties_provided */
- PROP_smt_usage, /* properties_destroyed */
+ 0, /* properties_destroyed */
0, /* todo_flags_start */
TODO_cleanup_cfg | TODO_dump_func
| TODO_ggc_collect | TODO_verify_ssa