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;
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);