/* statev is expensive here, only enable when needed */
#define DISABLE_STATEV
-#include "impl.h"
#include "iredges_t.h"
#include "irgwalk.h"
#include "irprintf_t.h"
}
}
-int (be_lv_next_irn)(const struct _be_lv_t *lv, const ir_node *bl, unsigned flags, int i)
-{
- return _be_lv_next_irn(lv, bl, flags, i);
-}
-
-const ir_node * (be_lv_get_irn)(const struct _be_lv_t *lv, const ir_node *bl, int i)
-{
- return _be_lv_get_irn(lv, bl, i);
-}
-
int (be_is_live_in)(const be_lv_t *lv, const ir_node *block, const ir_node *irn)
{
return _be_is_live_xxx(lv, block, irn, be_lv_state_in);
#ifdef LV_USE_BINARY_SEARCH
-static inline unsigned _be_liveness_bsearch(struct _be_lv_info_t *arr, unsigned idx)
+static inline unsigned _be_liveness_bsearch(be_lv_info_t *arr, unsigned idx)
{
- struct _be_lv_info_t *payload = arr + 1;
+ be_lv_info_t *payload = arr + 1;
unsigned n = arr[0].u.head.n_members;
unsigned res = 0;
int md = lo + ((hi - lo) >> 1);
unsigned md_idx = payload[md].u.node.idx;
- if(idx > md_idx)
+ if (idx > md_idx)
lo = md + 1;
- else if(idx < md_idx)
+ else if (idx < md_idx)
hi = md;
else {
res = md;
for (i = res; i < n; ++i)
assert(payload[i].u.node.idx >= idx);
- for(i = 0; i < res; ++i)
+ for (i = 0; i < res; ++i)
assert(payload[i].u.node.idx < idx);
}
#endif
/**
* This function searches linearly for the node in the array.
*/
-static inline unsigned _be_liveness_bsearch(struct _be_lv_info_t *arr, unsigned idx) {
+static inline unsigned _be_liveness_bsearch(be_lv_info_t *arr, unsigned idx)
+{
unsigned n = arr[0].u.head.n_members;
unsigned i;
- for(i = 0; i < n; ++i) {
- if(arr[i + 1].u.node.idx == idx)
+ for (i = 0; i < n; ++i) {
+ if (arr[i + 1].u.node.idx == idx)
return i;
}
}
#endif
-struct _be_lv_info_node_t *be_lv_get(const struct _be_lv_t *li, const ir_node *bl, const ir_node *irn)
+be_lv_info_node_t *be_lv_get(const be_lv_t *li, const ir_node *bl, const ir_node *irn)
{
- struct _be_lv_info_t *irn_live;
- struct _be_lv_info_node_t *res = NULL;
+ be_lv_info_t *irn_live;
+ be_lv_info_node_t *res = NULL;
stat_ev_tim_push();
- irn_live = phase_get_irn_data(&li->ph, bl);
- if(irn_live) {
+ irn_live = (be_lv_info_t*)phase_get_irn_data(&li->ph, bl);
+ if (irn_live) {
unsigned idx = get_irn_idx(irn);
/* Get the position of the index in the array. */
int pos = _be_liveness_bsearch(irn_live, idx);
/* Get the record in question. 1 must be added, since the first record contains information about the array and must be skipped. */
- struct _be_lv_info_node_t *rec = &irn_live[pos + 1].u.node;
+ be_lv_info_node_t *rec = &irn_live[pos + 1].u.node;
/* Check, if the irn is in deed in the array. */
- if(rec->idx == idx)
+ if (rec->idx == idx)
res = rec;
}
stat_ev_tim_pop("be_lv_get");
return res;
}
-static struct _be_lv_info_node_t *be_lv_get_or_set(struct _be_lv_t *li, ir_node *bl, ir_node *irn)
+static be_lv_info_node_t *be_lv_get_or_set(be_lv_t *li, ir_node *bl, ir_node *irn)
{
- struct _be_lv_info_t *irn_live = phase_get_or_set_irn_data(&li->ph, bl);
+ be_lv_info_t *irn_live = (be_lv_info_t*)phase_get_or_set_irn_data(&li->ph, bl);
unsigned idx = get_irn_idx(irn);
unsigned pos = _be_liveness_bsearch(irn_live, idx);
/* Get the record in question. 1 must be added, since the first record contains information about the array and must be skipped. */
- struct _be_lv_info_node_t *res = &irn_live[pos + 1].u.node;
+ be_lv_info_node_t *res = &irn_live[pos + 1].u.node;
/* Check, if the irn is in deed in the array. */
- if(res->idx != idx) {
- struct _be_lv_info_t *payload;
+ if (res->idx != idx) {
+ be_lv_info_t *payload;
unsigned n_members = irn_live[0].u.head.n_members;
unsigned n_size = irn_live[0].u.head.n_size;
unsigned i;
- if(n_members + 1 >= n_size) {
+ if (n_members + 1 >= n_size) {
/* double the array size. Remember that the first entry is
* metadata about the array and not a real array element */
unsigned old_size_bytes = (n_size + 1) * sizeof(irn_live[0]);
unsigned new_size = (2 * n_size) + 1;
size_t new_size_bytes = new_size * sizeof(irn_live[0]);
- struct _be_lv_info_t *nw = phase_alloc(&li->ph, new_size_bytes);
+ be_lv_info_t *nw = (be_lv_info_t*)phase_alloc(&li->ph, new_size_bytes);
memcpy(nw, irn_live, old_size_bytes);
memset(((char*) nw) + old_size_bytes, 0,
new_size_bytes - old_size_bytes);
}
payload = &irn_live[1];
- for(i = n_members; i > pos; --i) {
+ for (i = n_members; i > pos; --i) {
payload[i] = payload[i - 1];
}
unsigned i;
unsigned n = irn_live[0].u.head.n_members;
unsigned last = 0;
- struct _be_lv_info_t *payload = &irn_live[1];
+ be_lv_info_t *payload = &irn_live[1];
- for(i = 0; i < n; ++i) {
+ for (i = 0; i < n; ++i) {
assert(payload[i].u.node.idx >= last);
last = payload[i].u.node.idx;
}
* Removes a node from the list of live variables of a block.
* @return 1 if the node was live at that block, 0 if not.
*/
-static int be_lv_remove(struct _be_lv_t *li, const ir_node *bl,
+static int be_lv_remove(be_lv_t *li, const ir_node *bl,
const ir_node *irn)
{
- struct _be_lv_info_t *irn_live = phase_get_irn_data(&li->ph, bl);
+ be_lv_info_t *irn_live = (be_lv_info_t*)phase_get_irn_data(&li->ph, bl);
- if(irn_live) {
+ if (irn_live) {
unsigned n = irn_live[0].u.head.n_members;
unsigned idx = get_irn_idx(irn);
unsigned pos = _be_liveness_bsearch(irn_live, idx);
- struct _be_lv_info_t *payload = irn_live + 1;
- struct _be_lv_info_node_t *res = &payload[pos].u.node;
+ be_lv_info_t *payload = irn_live + 1;
+ be_lv_info_node_t *res = &payload[pos].u.node;
/* The node is in deed in the block's array. Let's remove it. */
- if(res->idx == idx) {
+ if (res->idx == idx) {
unsigned i;
- for(i = pos + 1; i < n; ++i)
+ for (i = pos + 1; i < n; ++i)
payload[i - 1] = payload[i];
payload[n - 1].u.node.idx = 0;
static void register_node(be_lv_t *lv, const ir_node *irn)
{
unsigned idx = get_irn_idx(irn);
- if(idx >= bitset_size(lv->nodes)) {
+ if (idx >= bitset_size(lv->nodes)) {
bitset_t *nw = bitset_malloc(2 * idx);
- bitset_copy(nw, lv->nodes);
+ bitset_copy_into(nw, lv->nodes);
bitset_free(lv->nodes);
lv->nodes = nw;
}
*/
static inline void mark_live_in(be_lv_t *lv, ir_node *block, ir_node *irn)
{
- struct _be_lv_info_node_t *n = be_lv_get_or_set(lv, block, irn);
+ be_lv_info_node_t *n = be_lv_get_or_set(lv, block, irn);
DBG((dbg, LEVEL_2, "marking %+F live in at %+F\n", irn, block));
n->flags |= be_lv_state_in;
register_node(lv, irn);
*/
static inline void mark_live_out(be_lv_t *lv, ir_node *block, ir_node *irn)
{
- struct _be_lv_info_node_t *n = be_lv_get_or_set(lv, block, irn);
+ be_lv_info_node_t *n = be_lv_get_or_set(lv, block, irn);
DBG((dbg, LEVEL_2, "marking %+F live out at %+F\n", irn, block));
n->flags |= be_lv_state_out | be_lv_state_end;
register_node(lv, irn);
*/
static inline void mark_live_end(be_lv_t *lv, ir_node *block, ir_node *irn)
{
- struct _be_lv_info_node_t *n = be_lv_get_or_set(lv, block, irn);
+ be_lv_info_node_t *n = be_lv_get_or_set(lv, block, irn);
DBG((dbg, LEVEL_2, "marking %+F live end at %+F\n", irn, block));
n->flags |= be_lv_state_end;
register_node(lv, irn);
static struct {
be_lv_t *lv; /**< The liveness object. */
- ir_node *def; /**< The node (value). */
+ ir_node *def; /**< The node (value). */
ir_node *def_block; /**< The block of def. */
bitset_t *visited; /**< A set were all visited blocks are recorded. */
} re;
}
}
-typedef struct _lv_walker_t {
+typedef struct lv_walker_t {
be_lv_t *lv;
void *data;
} lv_walker_t;
static void lv_remove_irn_walker(ir_node *bl, void *data)
{
- lv_remove_walker_t *w = data;
+ lv_remove_walker_t *w = (lv_remove_walker_t*)data;
be_lv_remove(w->lv, bl, w->irn);
}
static void lv_dump_block(void *context, FILE *f, const ir_node *bl)
{
- if(is_Block(bl)) {
- be_lv_t *lv = context;
- struct _be_lv_info_t *info = phase_get_irn_data(&lv->ph, bl);
+ if (is_Block(bl)) {
+ be_lv_t *lv = (be_lv_t*)context;
+ be_lv_info_t *info = (be_lv_info_t*)phase_get_irn_data(&lv->ph, bl);
fprintf(f, "liveness:\n");
- if(info) {
+ if (info) {
unsigned n = info[0].u.head.n_members;
unsigned i;
- for(i = 0; i < n; ++i) {
- struct _be_lv_info_node_t *n = &info[i+1].u.node;
+ for (i = 0; i < n; ++i) {
+ be_lv_info_node_t *n = &info[i+1].u.node;
ir_fprintf(f, "%s %+F\n", lv_flags_to_str(n->flags), get_idx_irn(lv->irg, n->idx));
}
}
}
}
-static void *lv_phase_data_init(ir_phase *phase, const ir_node *irn, void *old)
+static void *lv_phase_data_init(ir_phase *phase, const ir_node *irn)
{
- struct _be_lv_info_t *info = phase_alloc(phase, LV_STD_SIZE * sizeof(info[0]));
+ be_lv_info_t *info = (be_lv_info_t*)phase_alloc(phase, LV_STD_SIZE * sizeof(info[0]));
(void) irn;
- (void) old;
memset(info, 0, LV_STD_SIZE * sizeof(info[0]));
info[0].u.head.n_size = LV_STD_SIZE - 1;
*/
static void collect_liveness_nodes(ir_node *irn, void *data)
{
- ir_node **nodes = data;
+ ir_node **nodes = (ir_node**)data;
if (is_liveness_node(irn))
nodes[get_irn_idx(irn)] = irn;
}
be_timer_push(T_LIVE);
lv->nodes = bitset_malloc(2 * get_irg_last_idx(lv->irg));
- phase_init(&lv->ph, "liveness", lv->irg, PHASE_DEFAULT_GROWTH, lv_phase_data_init, NULL);
+ phase_init(&lv->ph, lv->irg, lv_phase_data_init);
compute_liveness(lv);
/* be_live_chk_compare(lv, lv->lvc); */
{
if (lv && lv->nodes) {
unregister_hook(hook_node_info, &lv->hook_info);
- phase_free(&lv->ph);
+ phase_deinit(&lv->ph);
bitset_free(lv->nodes);
lv->nodes = NULL;
}
be_timer_push(T_LIVE);
last_idx = get_irg_last_idx(lv->irg);
- if(last_idx >= bitset_size(lv->nodes)) {
+ if (last_idx >= bitset_size(lv->nodes)) {
bitset_free(lv->nodes);
lv->nodes = bitset_malloc(last_idx * 2);
} else
bitset_clear_all(lv->nodes);
- phase_free(&lv->ph);
- phase_init(&lv->ph, "liveness", lv->irg, PHASE_DEFAULT_GROWTH, lv_phase_data_init, NULL);
+ phase_deinit(&lv->ph);
+ phase_init(&lv->ph, lv->irg, lv_phase_data_init);
compute_liveness(lv);
be_timer_pop(T_LIVE);
w.lv = lv;
w.irn = irn;
dom_tree_walk(get_nodes_block(irn), lv_remove_irn_walker, NULL, &w);
- if(idx < bitset_size(lv->nodes))
+ if (idx < bitset_size(lv->nodes))
bitset_clear(lv->nodes, idx);
}
}
static void lv_check_walker(ir_node *bl, void *data)
{
- lv_walker_t *w = data;
+ lv_walker_t *w = (lv_walker_t*)data;
be_lv_t *lv = w->lv;
- be_lv_t *fresh = w->data;
+ be_lv_t *fresh = (be_lv_t*)w->data;
- struct _be_lv_info_t *curr = phase_get_irn_data(&lv->ph, bl);
- struct _be_lv_info_t *fr = phase_get_irn_data(&fresh->ph, bl);
+ be_lv_info_t *curr = (be_lv_info_t*)phase_get_irn_data(&lv->ph, bl);
+ be_lv_info_t *fr = (be_lv_info_t*)phase_get_irn_data(&fresh->ph, bl);
- if(!fr && curr && curr[0].u.head.n_members > 0) {
+ if (!fr && curr && curr[0].u.head.n_members > 0) {
unsigned i;
ir_fprintf(stderr, "%+F liveness should be empty but current liveness contains:\n", bl);
- for(i = 0; i < curr[0].u.head.n_members; ++i) {
+ for (i = 0; i < curr[0].u.head.n_members; ++i) {
ir_fprintf(stderr, "\t%+F\n", get_idx_irn(lv->irg, curr[1 + i].u.node.idx));
}
}
- else if(curr) {
+ else if (curr) {
unsigned n_curr = curr[0].u.head.n_members;
unsigned n_fresh = fr[0].u.head.n_members;
unsigned i;
- if(n_curr != n_fresh) {
+ if (n_curr != n_fresh) {
ir_fprintf(stderr, "%+F: liveness set sizes differ. curr %d, correct %d\n", bl, n_curr, n_fresh);
ir_fprintf(stderr, "current:\n");
- for(i = 0; i < n_curr; ++i) {
- struct _be_lv_info_node_t *n = &curr[1 + i].u.node;
+ for (i = 0; i < n_curr; ++i) {
+ be_lv_info_node_t *n = &curr[1 + i].u.node;
ir_fprintf(stderr, "%+F %u %+F %s\n", bl, i, get_idx_irn(lv->irg, n->idx), lv_flags_to_str(n->flags));
}
ir_fprintf(stderr, "correct:\n");
- for(i = 0; i < n_fresh; ++i) {
- struct _be_lv_info_node_t *n = &fr[1 + i].u.node;
+ for (i = 0; i < n_fresh; ++i) {
+ be_lv_info_node_t *n = &fr[1 + i].u.node;
ir_fprintf(stderr, "%+F %u %+F %s\n", bl, i, get_idx_irn(lv->irg, n->idx), lv_flags_to_str(n->flags));
}
}
static void lv_dump_block_walker(ir_node *irn, void *data)
{
- lv_walker_t *w = data;
- if(is_Block(irn))
- lv_dump_block(w->lv, w->data, irn);
+ lv_walker_t *w = (lv_walker_t*)data;
+ if (is_Block(irn))
+ lv_dump_block(w->lv, (FILE*)w->data, irn);
}
FILE *f;
char buf[128];
ir_snprintf(buf, sizeof(buf), "%F_%s-live.txt", lv->irg, cls_name);
- if((f = fopen(buf, "wt")) != NULL) {
+ if ((f = fopen(buf, "wt")) != NULL) {
be_liveness_dump(lv, f);
fclose(f);
}
}
/**
- * Walker: checks the every predecessors of a node dominate
- * the note.
+ * Walker: checks that every predecessors of a node dominates the node.
*/
static void dom_check(ir_node *irn, void *data)
{
- int *problem_found = data;
+ int *problem_found = (int*)data;
- if(!is_Block(irn) && irn != get_irg_end(get_irn_irg(irn))) {
+ if (!is_Block(irn) && irn != get_irg_end(get_irn_irg(irn))) {
int i, n;
ir_node *bl = get_nodes_block(irn);
- for(i = 0, n = get_irn_arity(irn); i < n; ++i) {
+ for (i = 0, n = get_irn_arity(irn); i < n; ++i) {
ir_node *op = get_irn_n(irn, i);
ir_node *def_bl = get_nodes_block(op);
ir_node *use_bl = bl;
- if(is_Phi(irn))
+ if (is_Phi(irn))
use_bl = get_Block_cfgpred_block(bl, i);
- if(get_irn_opcode(use_bl) != iro_Bad
+ if (get_irn_opcode(use_bl) != iro_Bad
&& get_irn_opcode(def_bl) != iro_Bad
&& !block_dominates(def_bl, use_bl)) {
ir_fprintf(stderr, "Verify warning: %+F in %+F must dominate %+F for user %+F (%s)\n", op, def_bl, use_bl, irn, get_irg_dump_name(get_irn_irg(op)));
* If we encounter the node we want to insert the Perm after,
* exit immediately, so that this node is still live
*/
- if(irn == pos)
+ if (irn == pos)
return;
be_liveness_transfer(cls, irn, live);
static void collect_node(ir_node *irn, void *data)
{
- struct obstack *obst = data;
+ struct obstack *obst = (struct obstack*)data;
obstack_ptr_grow(obst, irn);
}
irg_block_walk_graph(irg, collect_node, NULL, &obst);
obstack_ptr_grow(&obst, NULL);
- blocks = obstack_finish(&obst);
+ blocks = (ir_node**)obstack_finish(&obst);
irg_walk_graph(irg, collect_node, NULL, &obst);
obstack_ptr_grow(&obst, NULL);
- nodes = obstack_finish(&obst);
+ nodes = (ir_node**)obstack_finish(&obst);
stat_ev_ctx_push("be_lv_chk_compare");
for (j = 0; nodes[j]; ++j) {
obstack_free(&obst, NULL);
}
+BE_REGISTER_MODULE_CONSTRUCTOR(be_init_live)
void be_init_live(void)
{
FIRM_DBG_REGISTER(dbg, "firm.be.liveness");
}
-
-BE_REGISTER_MODULE_CONSTRUCTOR(be_init_live);