assert(is_Sel(sel));
+ /* Do not lower frame type/global offset table access: must be lowered by the backend. */
+ ptr = get_Sel_ptr(sel);
+ if (ptr == get_irg_frame(current_ir_graph))
+ return;
+
ent = get_Sel_entity(sel);
owner = get_entity_owner(ent);
- /* Do not lower frame type access: must be lowered by the backend. */
- if (is_frame_type(owner))
- return;
-
/*
* Cannot handle value param entities here.
* Must be lowered by the backend.
if (is_value_param_type(owner))
return;
- ptr = get_Sel_ptr(sel);
dbg = get_irn_dbg_info(sel);
mode = get_irn_mode(sel);
ub = get_array_upper_bound(arr_ty, dim);
assert(irg == current_ir_graph);
- if (get_irn_op(lb) != op_Unknown)
+ if (! is_Unknown(lb))
lb = new_rd_Conv(dbg, irg, bl, copy_const_value(get_irn_dbg_info(sel), lb), mode_Int);
else
lb = NULL;
- if (get_irn_op(ub) != op_Unknown)
+ if (! is_Unknown(ub))
ub = new_rd_Conv(dbg, irg, bl, copy_const_value(get_irn_dbg_info(sel), ub), mode_Int);
else
ub = NULL;
* bounds have to be set in the non-last dimension.
*/
if (i > 0) {
- assert(lb && "lower bound has to be set in multi-dim array");
- assert(lb && "upper bound has to be set in multi-dim array");
+ assert(lb != NULL && "lower bound has to be set in multi-dim array");
+ assert(ub != NULL && "upper bound has to be set in multi-dim array");
/* Elements in one Dimension */
elms = new_rd_Sub(dbg, irg, bl, ub, lb, mode_Int);
* Normalize index, id lower bound is set, also assume
* lower bound == 0
*/
- if (lb)
+ if (lb != NULL)
ind = new_rd_Sub(dbg, irg, bl, ind, lb, mode_Int);
n = new_rd_Mul(dbg, irg, bl, ind, last_size, mode_Int);
#endif
newn = new_r_Proj(irg, bl, newn, ent_mode, pn_Load_res);
- } else if (get_entity_owner(ent) != get_glob_type()) {
+ } else if (get_entity_owner(ent) != get_glob_type()) {
+ int offset;
+
/* replace Sel by add(obj, const(ent.offset)) */
assert(!(get_entity_allocation(ent) == allocation_static &&
(get_entity_n_overwrites(ent) == 0 && get_entity_n_overwrittenby(ent) == 0)));
- tv = new_tarval_from_long(get_entity_offset(ent), mode_Int);
- cnst = new_r_Const(irg, get_irg_start_block(irg), mode_Int, tv);
- newn = new_rd_Add(dbg, irg, bl, get_Sel_ptr(sel), cnst, mode);
+ newn = get_Sel_ptr(sel);
+ offset = get_entity_offset(ent);
+ if (offset != 0) {
+ ir_mode *mode_UInt = get_reference_mode_unsigned_eq(mode);
+
+ tv = new_tarval_from_long(offset, mode_UInt);
+ cnst = new_r_Const(irg, get_irg_start_block(irg), mode_UInt, tv);
+ newn = new_rd_Add(dbg, irg, bl, newn, cnst, mode);
+ }
} else {
/* global_type */
newn = new_rd_SymConst_addr_ent(NULL, current_ir_graph, mode, ent, firm_unknown_type);
*/
void lower_highlevel_graph(ir_graph *irg, int lower_bitfields) {
- if(lower_bitfields) {
+ if (lower_bitfields) {
/* First step: lower bitfield access: must be run as long as Sels still
* exists. */
irg_walk_graph(irg, NULL, lower_bf_access, NULL);
/* Finally: lower SymConst-Size and Sel nodes, Casts, unaligned Load/Stores. */
irg_walk_graph(irg, NULL, lower_irnode, NULL);
- set_irg_phase_low(irg);
-} /* lower_highlevel */
+} /* lower_highlevel_graph */
+/*
+ * does the same as lower_highlevel() for all nodes on the const code irg
+ */
void lower_const_code(void) {
walk_const_code(NULL, lower_irnode, NULL);
-}
+} /* lower_const_code */
/*
* Replaces SymConsts by a real constant if possible.