int pressure;
/* collect register pressure info, start with end of a block */
+ // ir_fprintf(stderr, "liveness check %+F\n", block);
ir_nodeset_init(&live_nodes);
be_liveness_end_of_block(env->lv, env->arch_env, env->cls, block,
&live_nodes);
+ // print_living_values(stderr, &live_nodes);
pressure = ir_nodeset_size(&live_nodes);
if(pressure > env->registers_available) {
ir_fprintf(stderr, "Verify Warning: Register pressure too high at end of block %+F(%s) (%d/%d):\n",
if (is_Phi(irn))
break;
+ // print_living_values(stderr, &live_nodes);
be_liveness_transfer(env->arch_env, env->cls, irn, &live_nodes);
pressure = ir_nodeset_size(&live_nodes);
irn, block, get_irg_dump_name(env->irg), pressure, env->registers_available);
print_living_values(stderr, &live_nodes);
env->problem_found = 1;
+ assert(0);
}
}
ir_nodeset_destroy(&live_nodes);
ir_graph *irg) {
be_verify_register_pressure_env_t env;
- env.lv = be_liveness(irg);
+ env.lv = be_liveness(birg);
env.irg = irg;
env.arch_env = birg->main_env->arch_env;
env.cls = cls;
env->problem_found = 1;
}
-#ifdef SCHEDULE_PROJS
- /* check that all projs/keeps are behind their nodes */
- if(is_Proj(node)) {
- ir_node *prev = sched_prev(node);
- while(is_Proj(prev))
- prev = sched_prev(prev);
- if(get_Proj_pred(node) != prev) {
- ir_fprintf(stderr, "%+F not scheduled after its pred node in block %+F (%s)\n",
- node, block, get_irg_dump_name(env->irg));
- env->problem_found = 1;
- }
- }
-#endif
if(be_is_Keep(node)) {
- int arity = get_irn_arity(node);
- int problem = 0;
+ /* at least 1 of the keep arguments has to be it schedule
+ * predecessor */
+ int arity = get_irn_arity(node);
+ int problem = 1;
+ ir_node *prev = sched_prev(node);
for(i = 0; i < arity; ++i) {
ir_node *in = get_irn_n(node, i);
- ir_node *succ = sched_next(in);
- while(succ != node && !sched_is_end(succ)) {
- /* the node in between has to be another input of the
- * keep or a Proj */
- int i2;
- int found = 0;
-
- if(is_Proj(succ)) {
- succ = sched_next(succ);
- continue;
- }
-
- for(i2 = 0; i2 < arity; ++i2) {
- ir_node *in2 = get_irn_n(node, i2);
- if(in2 == succ) {
- found = 1;
- break;
- }
- }
- if(!found)
- problem = 1;
-
- succ = sched_next(succ);
- }
+ in = skip_Proj(in);
+ if(in == prev)
+ problem = 0;
}
if(problem) {
ir_fprintf(stderr, "%+F not scheduled after its pred node in block %+F (%s)\n",
reg = arch_get_irn_register(arch_env, pred);
if (reg == NULL) {
- ir_fprintf(stderr, "Verify warning: Node %+F in block %+F(%s) should have a register assigned\n",
- pred, get_nodes_block(pred), get_irg_dump_name(env->irg));
+ ir_fprintf(stderr, "Verify warning: Node %+F in block %+F(%s) should have a register assigned (%+F input constraint)\n",
+ pred, get_nodes_block(pred), get_irg_dump_name(env->irg), node);
env->problem_found = 1;
continue;
}
}
}
-int be_verify_register_allocation(const arch_env_t *arch_env, ir_graph *irg) {
+int be_verify_register_allocation(const be_irg_t *birg) {
be_verify_register_allocation_env_t env;
- env.arch_env = arch_env;
- env.irg = irg;
- env.lv = be_liveness(irg);
+ env.arch_env = be_get_birg_arch_env(birg);
+ env.irg = be_get_birg_irg(birg);
+ env.lv = be_liveness(birg);
env.problem_found = 0;
be_liveness_assure_sets(env.lv);
- irg_block_walk_graph(irg, verify_block_register_allocation, NULL, &env);
+ irg_block_walk_graph(env.irg, verify_block_register_allocation, NULL, &env);
be_liveness_free(env.lv);
return;
mark_irn_visited(node);
+ /* we find too many (uncritical) dead nodes in block out edges */
+ if(is_Block(node))
+ return;
+
foreach_out_edge(node, edge) {
ir_node* src = get_edge_src_irn(edge);
- if(!bitset_is_set(env->reachable, get_irn_idx(src)) && !is_Block(node)) {
+ if(!bitset_is_set(env->reachable, get_irn_idx(src)) && !is_Block(src)) {
ir_fprintf(stderr, "Verify warning: Node %+F in block %+F(%s) only reachable through out edges from %+F\n",
src, get_nodes_block(src), get_irg_dump_name(irg), node);
env->problem_found = 1;