ir_node *cond_j = skip_Proj(pred_j);
if (cond_j == cond_i) {
- ir_node *jmp = new_r_Jmp(get_nodes_block(cond_i));
+ ir_graph *irg = get_irn_irg(bl);
+ ir_node *jmp = new_r_Jmp(get_nodes_block(cond_i));
set_irn_n(bl, i, jmp);
- set_irn_n(bl, j, new_Bad());
+ set_irn_n(bl, j, new_r_Bad(irg));
DBG_OPT_IFSIM2(cond_i, jmp);
changed = 1;
promote it directly below. Nevertheless, we sometimes reach a block
the first time through a dataflow node. In this case we optimized the
block as such and have to promote the Bad here. */
- assert((get_opt_control_flow_straightening() ||
- get_opt_control_flow_weak_simplification()) &&
- ("strange flag setting"));
exchange(b, new_block);
env->changed = 1;
b = new_block;
* prevented, so just set it's cf to Bad.
*/
if (is_Block_dead(new_block)) {
- exchange(node, new_Bad());
+ ir_graph *irg = get_irn_irg(node);
+ exchange(node, new_r_Bad(irg));
env->changed = 1;
}
}
ir_node *pred_bl = get_nodes_block(skip_Proj(skipped));
if (is_Block_dead(pred_bl) || (get_Block_dom_depth(pred_bl) < 0)) {
+ ir_graph *irg = get_irn_irg(block);
set_Block_dead(pred_bl);
- exchange(pred_X, new_Bad());
+ exchange(pred_X, new_r_Bad(irg));
*changed = 1;
} else if (skipped != pred_X) {
set_Block_cfgpred(block, i, skipped);
return 0;
if (is_Block_removable(pred)) {
- if (!get_opt_optimize() || !get_opt_control_flow_strong_simplification()) {
- /* Mark block so that is will not be removed: optimization is turned off. */
- set_Block_non_removable(pred);
- return 1;
- }
-
/* Seems to be empty. At least we detected this in collect_nodes. */
if (get_irn_link(b) == NULL) {
/* There are no Phi nodes ==> all predecessors are dispensable. */
if (get_Block_idom(b) != predb) {
/* predb is not the dominator. There can't be uses of pred's Phi nodes, kill them .*/
- exchange(phi, new_Bad());
+ ir_graph *irg = get_irn_irg(b);
+ exchange(phi, new_r_Bad(irg));
} else {
/* predb is the direct dominator of b. There might be uses of the Phi nodes from
predb in further block, so move this phi from the predecessor into the block b */
in[n_preds++] = pred_X;
}
/* Remove block as it might be kept alive. */
- exchange(pred, b/*new_Bad()*/);
+ exchange(pred, b/*new_r_Bad(irg)*/);
} else {
/* case 3: */
in[n_preds++] = get_Block_cfgpred(b, i);
} else if (get_irn_link(proj2) == NULL) {
/* We have two Proj's here. Check if the Cond has
a constant argument */
- tarval *tv = value_of(sel);
+ ir_tarval *tv = value_of(sel);
if (tv != tarval_bad) {
/* we have a constant switch */
- long num = get_tarval_long(tv);
- long def_num = get_Cond_default_proj(cond);
+ long num = get_tarval_long(tv);
+ long def_num = get_Cond_default_proj(cond);
+ ir_graph *irg = get_irn_irg(cond);
if (def_num == get_Proj_proj(proj1)) {
/* first one is the defProj */
if (num == get_Proj_proj(proj2)) {
jmp = new_r_Jmp(blk);
exchange(proj2, jmp);
- exchange(proj1, new_Bad());
+ exchange(proj1, new_r_Bad(irg));
return 1;
}
} else if (def_num == get_Proj_proj(proj2)) {
if (num == get_Proj_proj(proj1)) {
jmp = new_r_Jmp(blk);
exchange(proj1, jmp);
- exchange(proj2, new_Bad());
+ exchange(proj2, new_r_Bad(irg));
return 1;
}
} else {
if (num == get_Proj_proj(proj1)) {
jmp = new_r_Jmp(blk);
exchange(proj1, jmp);
- exchange(proj2, new_Bad());
+ exchange(proj2, new_r_Bad(irg));
return 1;
} else if (num == get_Proj_proj(proj2)) {
jmp = new_r_Jmp(blk);
exchange(proj2, jmp);
- exchange(proj1, new_Bad());
+ exchange(proj1, new_r_Bad(irg));
return 1;
}
}
int i, j, n, changed;
ir_node **in = NULL;
ir_node *cond, *end = get_irg_end(irg);
- ir_graph *rem = current_ir_graph;
plist_element_t *el;
merge_env env;
assert(get_irg_pinned(irg) != op_pin_state_floats &&
"Control flow optimization need a pinned graph");
- current_ir_graph = irg;
-
/* FIXME: control flow opt destroys block edges. So edges are deactivated here. Fix the edges! */
edges_deactivate(irg);
if (is_Block(ka)) {
/* do NOT keep dead blocks */
if (is_Block_dead(ka) || get_Block_dom_depth(ka) < 0) {
- set_End_keepalive(end, i, new_Bad());
+ set_End_keepalive(end, i, new_r_Bad(irg));
changed = 1;
}
} else {
if (is_Bad(block) || is_Block_dead(block) || get_Block_dom_depth(block) < 0) {
/* do NOT keep nodes in dead blocks */
- set_End_keepalive(end, i, new_Bad());
+ set_End_keepalive(end, i, new_r_Bad(irg));
changed = 1;
}
}
if (is_Block(ka)) {
/* do NOT keep dead blocks */
if (is_Block_dead(ka) || get_Block_dom_depth(ka) < 0) {
- set_End_keepalive(end, i, new_Bad());
+ set_End_keepalive(end, i, new_r_Bad(irg));
changed = 1;
}
} else {
if (is_Bad(block) || is_Block_dead(block) || get_Block_dom_depth(block) < 0) {
/* do NOT keep nodes in dead blocks */
- set_End_keepalive(end, i, new_Bad());
+ set_End_keepalive(end, i, new_r_Bad(irg));
changed = 1;
}
}
fprintf(stderr, "VERIFY_BAD in optimize_cf()\n");
}
}
-
- current_ir_graph = rem;
}
/* Creates an ir_graph pass for optimize_cf. */
projects / libfirm / blobdiff