/*
- * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
+ * Copyright (C) 1995-2010 University of Karlsruhe. All right reserved.
*
* This file is part of libFirm.
*
/**
* Start a walk over the irg and check the register pressure.
*/
-int be_verify_register_pressure(const be_irg_t *birg,
- const arch_register_class_t *cls,
- ir_graph *irg) {
+int be_verify_register_pressure(ir_graph *irg, const arch_register_class_t *cls)
+{
be_verify_register_pressure_env_t env;
env.lv = be_liveness(irg);
env.irg = irg;
env.cls = cls;
- env.registers_available = env.cls->n_regs - be_put_ignore_regs(birg, env.cls, NULL);
+ env.registers_available
+ = env.cls->n_regs - be_put_ignore_regs(irg, env.cls, NULL);
env.problem_found = 0;
be_liveness_assure_sets(env.lv);
typedef struct be_verify_schedule_env_t_ {
- int problem_found; /**< flags indicating if there was a problem */
- bitset_t *scheduled; /**< bitset of scheduled nodes */
- ir_graph *irg; /**< the irg to check */
+ int problem_found; /**< flags indicating a problem */
+ bitset_t *scheduled; /**< bitset of scheduled nodes */
+ ir_graph *irg; /**< the irg to check */
} be_verify_schedule_env_t;
/**
}
}
-static int should_be_scheduled(ir_node *node)
-{
- switch (get_irn_opcode(node)) {
- case iro_Bad:
- case iro_Block:
- case iro_End:
- case iro_NoMem:
- case iro_Pin:
- case iro_Proj:
- case iro_Sync:
- case iro_Unknown:
- return 0;
- case iro_Phi:
- if (get_irn_mode(node) == mode_M)
- return 0;
- break;
- case iro_Start:
- case iro_Jmp:
- case beo_Return:
- return 1;
- default:
- break;
- }
-
- if (get_irn_mode(node) != mode_T) {
- if (arch_irn_is_ignore(node))
- return -1;
- }
-
- return 1;
-}
-
static void check_schedule(ir_node *node, void *data)
{
be_verify_schedule_env_t *env = data;
- int should_be;
- int scheduled;
-
- should_be = should_be_scheduled(node);
- if (should_be == -1)
- return;
+ bool should_be = to_appear_in_schedule(node);
+ bool scheduled = bitset_is_set(env->scheduled, get_irn_idx(node));
- scheduled = bitset_is_set(env->scheduled, get_irn_idx(node)) ? 1 : 0;
- should_be = should_be ? 1 : 0;
if (should_be != scheduled) {
ir_fprintf(stderr, "Verify warning: Node %+F in block %+F(%s) should%s be scheduled\n",
node, get_nodes_block(node), get_irg_dump_name(env->irg), should_be ? "" : " not");
/**
* Start a walk over the irg and check schedule.
*/
-int be_verify_schedule(const be_irg_t *birg)
+int be_verify_schedule(ir_graph *irg)
{
be_verify_schedule_env_t env;
env.problem_found = 0;
- env.irg = be_get_birg_irg(birg);
+ env.irg = irg;
env.scheduled = bitset_alloca(get_irg_last_idx(env.irg));
- irg_block_walk_graph(env.irg, verify_schedule_walker, NULL, &env);
+ irg_block_walk_graph(irg, verify_schedule_walker, NULL, &env);
/* check if all nodes are scheduled */
- irg_walk_graph(env.irg, check_schedule, NULL, &env);
+ irg_walk_graph(irg, check_schedule, NULL, &env);
return ! env.problem_found;
}
-typedef struct _spill_t {
+typedef struct spill_t {
ir_node *spill;
ir_entity *ent;
} spill_t;
return result;
}
-static
-void collect(be_verify_spillslots_env_t *env, ir_node *node, ir_node *reload, ir_entity* ent);
+static void collect(be_verify_spillslots_env_t *env, ir_node *node, ir_node *reload, ir_entity* ent);
-static
-void be_check_entity(be_verify_spillslots_env_t *env, ir_node *node, ir_entity *ent)
+static void be_check_entity(be_verify_spillslots_env_t *env, ir_node *node, ir_entity *ent)
{
if (ent == NULL) {
ir_fprintf(stderr, "Verify warning: Node %+F in block %+F(%s) should have an entity assigned\n",
}
}
-static
-void collect_spill(be_verify_spillslots_env_t *env, ir_node *node, ir_node *reload, ir_entity* ent)
+static void collect_spill(be_verify_spillslots_env_t *env, ir_node *node, ir_node *reload, ir_entity* ent)
{
ir_entity *spillent = arch_get_frame_entity(node);
be_check_entity(env, node, spillent);
{
be_verify_spillslots_env_t *env = data;
- /* @@@ ia32_classify returns classification of Proj_pred :-/ */
- if (is_Proj(node))
- return;
-
- if (arch_irn_class_is(node, reload)) {
+ if (arch_irn_classify(node) & arch_irn_class_reload) {
ir_node *spill = get_memory_edge(node);
ir_entity *ent;
/* verify input register */
arity = get_irn_arity(node);
for (i = 0; i < arity; ++i) {
- ir_node *pred = get_irn_n(node, i);
-
- if (is_Unknown(pred))
- continue;
+ const arch_register_req_t *req = arch_get_in_register_req(node, i);
+ ir_node *pred = get_irn_n(node, i);
+ const arch_register_req_t *pred_req = arch_get_register_req_out(pred);
if (is_Bad(pred)) {
ir_fprintf(stderr, "Verify warning: %+F in block %+F(%s) has Bad as input %d\n",
problem_found = 1;
continue;
}
-
- if (arch_get_irn_reg_class(node, i) == NULL)
+ if (req->cls == NULL)
continue;
+ if (req->width > pred_req->width) {
+ ir_fprintf(stderr, "Verify warning: %+F in block %+F(%s) register width of value at input %d too small\n",
+ node, get_nodes_block(node), get_irg_dump_name(irg), i);
+ problem_found = 1;
+ }
+
reg = arch_get_irn_register(pred);
+ if (req->type & arch_register_req_type_aligned) {
+ if (reg->index % req->width != 0) {
+ ir_fprintf(stderr, "Verify warning: %+F in block %+F(%s) register allignment not fulfilled\n",
+ node, get_nodes_block(node), get_irg_dump_name(irg), i);
+ problem_found = 1;
+ }
+ }
+
if (reg == NULL) {
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(irg), node);
int i, nregclasses;
(void) data;
- nregclasses = arch_env_get_n_reg_class(arch_env);
+ nregclasses = arch_env->n_register_classes;
for (i = 0; i < nregclasses; ++i) {
ir_node *node;
int idx, i2, n_regs;
- regclass = arch_env_get_reg_class(arch_env, i);
+ regclass = &arch_env->register_classes[i];
assert(lv->nodes && "live sets must be computed");
}
}
-int be_verify_register_allocation(const be_irg_t *birg)
+int be_verify_register_allocation(ir_graph *new_irg)
{
- arch_env = be_get_birg_arch_env(birg);
- irg = be_get_birg_irg(birg);
+ irg = new_irg;
+ arch_env = be_get_irg_arch_env(irg);
lv = be_liveness(irg);
problem_found = 0;
return !problem_found;
}
-
-
-
-/*--------------------------------------------------------------------------- */
-
-
-
-typedef struct _verify_out_dead_nodes_env {
- ir_graph *irg;
- bitset_t *reachable;
- int problem_found;
-} verify_out_dead_nodes_env;
-
-static void check_out_edges(ir_node *node, verify_out_dead_nodes_env *env)
-{
- ir_graph *irg = env->irg;
- const ir_edge_t* edge;
-
- if (irn_visited_else_mark(node))
- return;
-
- /* 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(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;
- continue;
- }
-
- check_out_edges(src, env);
- }
-}
-
-static void set_reachable(ir_node *node, void* data)
-{
- bitset_t* reachable = data;
- bitset_set(reachable, get_irn_idx(node));
-}
-
-int be_verify_out_edges(ir_graph *irg)
-{
- verify_out_dead_nodes_env env;
-
-return 1;
- env.irg = irg;
- env.reachable = bitset_alloca(get_irg_last_idx(irg));
- env.problem_found = edges_verify(irg);
-
- irg_walk_in_or_dep_graph(irg, set_reachable, NULL, env.reachable);
- irg_walk_anchors(irg, set_reachable, NULL, env.reachable);
- inc_irg_visited(irg);
- check_out_edges(get_irg_start(irg), &env);
-
- return ! env.problem_found;
-}