#include <assert.h>
+#include <string.h>
+
+#include "adt/obst.h"
#include "ircons.h"
#include "irgmod.h"
#include "irgwalk.h"
ir_node *const rol = get_Cmp_left(ro);
ir_node *const ror = get_Cmp_right(ro);
+ if(is_Const(lor) && is_Const_null(lor) && is_Const(ror) && is_Const_null(ror) && get_Proj_proj(l) == pn_Cmp_Lg && get_Proj_proj(r) == pn_Cmp_Lg) {
+ ir_fprintf(stderr, "found zero zero\n");
+ }
+
/* TODO float */
- /* The constants shall be unequal. Local optimisations handle the equal
- * case */
+ /* The constants shall be unequal. Local optimisations handle the
+ * equal case */
if (lol == rol && mode_is_int(get_irn_mode(lol)) && lor != ror && is_Const(lor) && is_Const(ror)) {
tarval *const tv_l = get_Const_tarval(lor);
tarval *const tv_r = get_Const_tarval(ror);
return 0;
}
-static void bool_and(ir_node *const n)
+static ir_node *bool_and(cond_pair* const cpair)
{
- ir_node *const l = get_And_left(n);
- ir_node *const r = get_And_right(n);
- cond_pair res;
- if (find_cond_pair(l, r, &res)) {
- ir_node *const cmp_lo = res.cmp_lo;
- ir_node *const cmp_hi = res.cmp_hi;
- pn_Cmp const pnc_lo = res.pnc_lo;
- pn_Cmp const pnc_hi = res.pnc_hi;
- ir_node *const proj_lo = res.proj_lo;
- ir_node *const proj_hi = res.proj_hi;
- tarval *const tv_lo = res.tv_lo;
- tarval *const tv_hi = res.tv_hi;
-
- if ((pnc_lo == pn_Cmp_Lt || pnc_lo == pn_Cmp_Le || pnc_lo == pn_Cmp_Eq) &&
- (pnc_hi == pn_Cmp_Eq || pnc_hi == pn_Cmp_Ge || pnc_hi == pn_Cmp_Gt)) {
- /* x <|<=|== lo | x ==|>=|> hi -> false */
- ir_node *const t = new_Const(mode_b, tarval_b_false);
- exchange(n, t);
- } else if ((pnc_lo == pn_Cmp_Lt || pnc_lo == pn_Cmp_Le || pnc_lo == pn_Cmp_Eq) &&
- (pnc_hi == pn_Cmp_Lt || pnc_hi == pn_Cmp_Le || pnc_hi == pn_Cmp_Ne)) {
- /* x <|<=|== lo && x <|<=|!= hi -> x <|<=|== lo */
- exchange(n, proj_lo);
- } else if ((pnc_lo == pn_Cmp_Ge || pnc_lo == pn_Cmp_Gt || pnc_lo == pn_Cmp_Ne) &&
- (pnc_hi == pn_Cmp_Eq || pnc_hi == pn_Cmp_Ge || pnc_hi == pn_Cmp_Gt)) {
- /* x >=|>|!= lo || x ==|>=|> hi -> x ==|>=|> hi */
- exchange(n, proj_hi);
- } else if (tarval_is_one(tarval_sub(tv_hi, tv_lo))) { /* lo + 1 == hi */
- if (pnc_lo == pn_Cmp_Ge && pnc_hi == pn_Cmp_Lt) {
- /* x >= c || x < c + 1 -> x == c */
+ ir_node *const cmp_lo = cpair->cmp_lo;
+ ir_node *const cmp_hi = cpair->cmp_hi;
+ pn_Cmp const pnc_lo = cpair->pnc_lo;
+ pn_Cmp const pnc_hi = cpair->pnc_hi;
+ ir_node *const proj_lo = cpair->proj_lo;
+ ir_node *const proj_hi = cpair->proj_hi;
+ tarval *const tv_lo = cpair->tv_lo;
+ tarval *const tv_hi = cpair->tv_hi;
+
+ if ((pnc_lo == pn_Cmp_Lt || pnc_lo == pn_Cmp_Le || pnc_lo == pn_Cmp_Eq) &&
+ (pnc_hi == pn_Cmp_Eq || pnc_hi == pn_Cmp_Ge || pnc_hi == pn_Cmp_Gt)) {
+ /* x <|<=|== lo | x ==|>=|> hi -> false */
+ ir_node *const t = new_Const(mode_b, tarval_b_false);
+ return t;
+ } else if ((pnc_lo == pn_Cmp_Lt || pnc_lo == pn_Cmp_Le || pnc_lo == pn_Cmp_Eq) &&
+ (pnc_hi == pn_Cmp_Lt || pnc_hi == pn_Cmp_Le || pnc_hi == pn_Cmp_Ne)) {
+ /* x <|<=|== lo && x <|<=|!= hi -> x <|<=|== lo */
+ return proj_lo;
+ } else if ((pnc_lo == pn_Cmp_Ge || pnc_lo == pn_Cmp_Gt || pnc_lo == pn_Cmp_Ne) &&
+ (pnc_hi == pn_Cmp_Eq || pnc_hi == pn_Cmp_Ge || pnc_hi == pn_Cmp_Gt)) {
+ /* x >=|>|!= lo || x ==|>=|> hi -> x ==|>=|> hi */
+ return proj_hi;
+ } else if (tarval_is_one(tarval_sub(tv_hi, tv_lo))) { /* lo + 1 == hi */
+ if (pnc_lo == pn_Cmp_Ge && pnc_hi == pn_Cmp_Lt) {
+ /* x >= c || x < c + 1 -> x == c */
+ ir_graph *const irg = current_ir_graph;
+ ir_node *const block = get_nodes_block(cmp_lo);
+ ir_node *const p = new_r_Proj(irg, block, cmp_lo, mode_b, pn_Cmp_Eq);
+ return p;
+ } else if (pnc_lo == pn_Cmp_Gt) {
+ if (pnc_hi == pn_Cmp_Ne) {
+ /* x > c || x != c + 1 -> x > c + 1 */
ir_graph *const irg = current_ir_graph;
- ir_node *const block = get_nodes_block(cmp_lo);
- ir_node *const p = new_r_Proj(irg, block, cmp_lo, mode_b, pn_Cmp_Eq);
- exchange(n, p);
- } else if (pnc_lo == pn_Cmp_Gt) {
- if (pnc_hi == pn_Cmp_Ne) {
- /* x > c || x != c + 1 -> x > c + 1 */
- ir_graph *const irg = current_ir_graph;
- ir_node *const block = get_nodes_block(cmp_hi);
- ir_node *const p = new_r_Proj(irg, block, cmp_hi, mode_b, pn_Cmp_Gt);
- exchange(n, p);
- } else if (pnc_hi == pn_Cmp_Lt) {
- /* x > c || x < c + 1 -> false */
- ir_node *const t = new_Const(mode_b, tarval_b_false);
- exchange(n, t);
- } else if (pnc_hi == pn_Cmp_Le) {
- /* x > c || x <= c + 1 -> x != c + 1 */
- ir_graph *const irg = current_ir_graph;
- ir_node *const block = get_nodes_block(cmp_hi);
- ir_node *const p = new_r_Proj(irg, block, cmp_hi, mode_b, pn_Cmp_Eq);
- exchange(n, p);
- }
- } else if (pnc_lo == pn_Cmp_Ne && pnc_hi == pn_Cmp_Lt) {
- /* x != c || c < c + 1 -> x < c */
+ ir_node *const block = get_nodes_block(cmp_hi);
+ ir_node *const p = new_r_Proj(irg, block, cmp_hi, mode_b, pn_Cmp_Gt);
+ return p;
+ } else if (pnc_hi == pn_Cmp_Lt) {
+ /* x > c || x < c + 1 -> false */
+ ir_node *const t = new_Const(mode_b, tarval_b_false);
+ return t;
+ } else if (pnc_hi == pn_Cmp_Le) {
+ /* x > c || x <= c + 1 -> x != c + 1 */
ir_graph *const irg = current_ir_graph;
- ir_node *const block = get_nodes_block(cmp_lo);
- ir_node *const p = new_r_Proj(irg, block, cmp_lo, mode_b, pn_Cmp_Lt);
- exchange(n, p);
+ ir_node *const block = get_nodes_block(cmp_hi);
+ ir_node *const p = new_r_Proj(irg, block, cmp_hi, mode_b, pn_Cmp_Eq);
+ return p;
}
+ } else if (pnc_lo == pn_Cmp_Ne && pnc_hi == pn_Cmp_Lt) {
+ /* x != c || c < c + 1 -> x < c */
+ ir_graph *const irg = current_ir_graph;
+ ir_node *const block = get_nodes_block(cmp_lo);
+ ir_node *const p = new_r_Proj(irg, block, cmp_lo, mode_b, pn_Cmp_Lt);
+ return p;
}
}
+ return NULL;
}
-static void bool_or(ir_node *const n)
+static ir_node *bool_or(cond_pair *const cpair)
{
- ir_node *const l = get_Or_left(n);
- ir_node *const r = get_Or_right(n);
- cond_pair res;
- if (find_cond_pair(l, r, &res)) {
- ir_node *const cmp_lo = res.cmp_lo;
- ir_node *const cmp_hi = res.cmp_hi;
- pn_Cmp const pnc_lo = res.pnc_lo;
- pn_Cmp const pnc_hi = res.pnc_hi;
- ir_node *const proj_lo = res.proj_lo;
- ir_node *const proj_hi = res.proj_hi;
- tarval *const tv_lo = res.tv_lo;
- tarval *const tv_hi = res.tv_hi;
-
- if ((pnc_lo == pn_Cmp_Ge || pnc_lo == pn_Cmp_Gt || pnc_lo == pn_Cmp_Ne) &&
- (pnc_hi == pn_Cmp_Lt || pnc_hi == pn_Cmp_Le || pnc_hi == pn_Cmp_Ne)) {
- /* x >=|>|!= lo | x <|<=|!= hi -> true */
- ir_node *const t = new_Const(mode_b, tarval_b_true);
- exchange(n, t);
- } else if ((pnc_lo == pn_Cmp_Lt || pnc_lo == pn_Cmp_Le || pnc_lo == pn_Cmp_Eq) &&
- (pnc_hi == pn_Cmp_Lt || pnc_hi == pn_Cmp_Le || pnc_hi == pn_Cmp_Ne)) {
- /* x <|<=|== lo || x <|<=|!= hi -> x <|<=|!= hi */
- exchange(n, proj_hi);
- } else if ((pnc_lo == pn_Cmp_Ge || pnc_lo == pn_Cmp_Gt || pnc_lo == pn_Cmp_Ne) &&
- (pnc_hi == pn_Cmp_Eq || pnc_hi == pn_Cmp_Ge || pnc_hi == pn_Cmp_Gt)) {
- /* x >=|>|!= lo || x ==|>=|> hi -> x >=|>|!= lo */
- exchange(n, proj_lo);
- } else if (tarval_is_one(tarval_sub(tv_hi, tv_lo))) { /* lo + 1 == hi */
- if (pnc_lo == pn_Cmp_Lt && pnc_hi == pn_Cmp_Ge) {
- /* x < c || x >= c + 1 -> x != c */
+ ir_node *const cmp_lo = cpair->cmp_lo;
+ ir_node *const cmp_hi = cpair->cmp_hi;
+ pn_Cmp const pnc_lo = cpair->pnc_lo;
+ pn_Cmp const pnc_hi = cpair->pnc_hi;
+ ir_node *const proj_lo = cpair->proj_lo;
+ ir_node *const proj_hi = cpair->proj_hi;
+ tarval *const tv_lo = cpair->tv_lo;
+ tarval *const tv_hi = cpair->tv_hi;
+
+ if ((pnc_lo == pn_Cmp_Ge || pnc_lo == pn_Cmp_Gt || pnc_lo == pn_Cmp_Ne) &&
+ (pnc_hi == pn_Cmp_Lt || pnc_hi == pn_Cmp_Le || pnc_hi == pn_Cmp_Ne)) {
+ /* x >=|>|!= lo | x <|<=|!= hi -> true */
+ ir_node *const t = new_Const(mode_b, tarval_b_true);
+ return t;
+ } else if ((pnc_lo == pn_Cmp_Lt || pnc_lo == pn_Cmp_Le || pnc_lo == pn_Cmp_Eq) &&
+ (pnc_hi == pn_Cmp_Lt || pnc_hi == pn_Cmp_Le || pnc_hi == pn_Cmp_Ne)) {
+ /* x <|<=|== lo || x <|<=|!= hi -> x <|<=|!= hi */
+ return proj_hi;
+ } else if ((pnc_lo == pn_Cmp_Ge || pnc_lo == pn_Cmp_Gt || pnc_lo == pn_Cmp_Ne) &&
+ (pnc_hi == pn_Cmp_Eq || pnc_hi == pn_Cmp_Ge || pnc_hi == pn_Cmp_Gt)) {
+ /* x >=|>|!= lo || x ==|>=|> hi -> x >=|>|!= lo */
+ return proj_lo;
+ } else if (tarval_is_one(tarval_sub(tv_hi, tv_lo))) { /* lo + 1 == hi */
+ if (pnc_lo == pn_Cmp_Lt && pnc_hi == pn_Cmp_Ge) {
+ /* x < c || x >= c + 1 -> x != c */
+ ir_graph *const irg = current_ir_graph;
+ ir_node *const block = get_nodes_block(cmp_lo);
+ ir_node *const p = new_r_Proj(irg, block, cmp_lo, mode_b, pn_Cmp_Ne);
+ return p;
+ } else if (pnc_lo == pn_Cmp_Le) {
+ if (pnc_hi == pn_Cmp_Eq) {
+ /* x <= c || x == c + 1 -> x <= c + 1 */
ir_graph *const irg = current_ir_graph;
- ir_node *const block = get_nodes_block(cmp_lo);
- ir_node *const p = new_r_Proj(irg, block, cmp_lo, mode_b, pn_Cmp_Ne);
- exchange(n, p);
- } else if (pnc_lo == pn_Cmp_Le) {
- if (pnc_hi == pn_Cmp_Eq) {
- /* x <= c || x == c + 1 -> x <= c + 1 */
- ir_graph *const irg = current_ir_graph;
- ir_node *const block = get_nodes_block(cmp_hi);
- ir_node *const p = new_r_Proj(irg, block, cmp_hi, mode_b, pn_Cmp_Le);
- exchange(n, p);
- } else if (pnc_hi == pn_Cmp_Ge) {
- /* x <= c || x >= c + 1 -> true */
- ir_node *const t = new_Const(mode_b, tarval_b_true);
- exchange(n, t);
- } else if (pnc_hi == pn_Cmp_Gt) {
- /* x <= c || x > c + 1 -> x != c + 1 */
- ir_graph *const irg = current_ir_graph;
- ir_node *const block = get_nodes_block(cmp_hi);
- ir_node *const p = new_r_Proj(irg, block, cmp_hi, mode_b, pn_Cmp_Ne);
- exchange(n, p);
- }
- } else if (pnc_lo == pn_Cmp_Eq && pnc_hi == pn_Cmp_Ge) {
- /* x == c || c >= c + 1 -> x >= c */
+ ir_node *const block = get_nodes_block(cmp_hi);
+ ir_node *const p = new_r_Proj(irg, block, cmp_hi, mode_b, pn_Cmp_Le);
+ return p;
+ } else if (pnc_hi == pn_Cmp_Ge) {
+ /* x <= c || x >= c + 1 -> true */
+ ir_node *const t = new_Const(mode_b, tarval_b_true);
+ return t;
+ } else if (pnc_hi == pn_Cmp_Gt) {
+ /* x <= c || x > c + 1 -> x != c + 1 */
ir_graph *const irg = current_ir_graph;
- ir_node *const block = get_nodes_block(cmp_lo);
- ir_node *const p = new_r_Proj(irg, block, cmp_lo, mode_b, pn_Cmp_Ge);
- exchange(n, p);
+ ir_node *const block = get_nodes_block(cmp_hi);
+ ir_node *const p = new_r_Proj(irg, block, cmp_hi, mode_b, pn_Cmp_Ne);
+ return p;
}
+ } else if (pnc_lo == pn_Cmp_Eq && pnc_hi == pn_Cmp_Ge) {
+ /* x == c || c >= c + 1 -> x >= c */
+ ir_graph *const irg = current_ir_graph;
+ ir_node *const block = get_nodes_block(cmp_lo);
+ ir_node *const p = new_r_Proj(irg, block, cmp_lo, mode_b, pn_Cmp_Ge);
+ return p;
}
}
+ return NULL;
}
static void bool_walk(ir_node *n, void *env)
{
(void)env;
- if (get_irn_mode(n) != mode_b) return;
+ if (get_irn_mode(n) != mode_b)
+ return;
if (is_And(n)) {
- bool_and(n);
+ ir_node *const l = get_And_left(n);
+ ir_node *const r = get_And_right(n);
+ ir_node * replacement;
+ cond_pair cpair;
+ if (!find_cond_pair(l, r, &cpair))
+ return;
+ replacement = bool_and(&cpair);
+ if (replacement)
+ exchange(n, replacement);
} else if (is_Or(n)) {
- bool_or(n);
+ ir_node *const l = get_Or_left(n);
+ ir_node *const r = get_Or_right(n);
+ ir_node * replacement;
+ cond_pair cpair;
+ if (!find_cond_pair(l, r, &cpair))
+ return;
+ replacement = bool_or(&cpair);
+ if (replacement)
+ exchange(n, replacement);
+ }
+}
+
+static struct obstack obst;
+
+typedef struct block_info_t {
+ ir_node *phi; /**< head of the Phi list */
+ int has_pinned; /**< set if the block contains instructions that cannot be
+ moved */
+} block_info_t;
+
+static block_info_t* get_block_blockinfo(ir_node* block)
+{
+ return get_irn_link(block);
+}
+
+static void create_blockinfos(ir_node *node, void *env)
+{
+ block_info_t *block_info;
+ (void) env;
+
+ /* we visit blocks before any other nodes (from the block) */
+ if (!is_Block(node))
+ return;
+
+ block_info = obstack_alloc(&obst, sizeof(block_info[0]));
+ memset(block_info, 0, sizeof(block_info[0]));
+ set_irn_link(node, block_info);
+}
+
+static void collect_phis(ir_node *node, void *env)
+{
+ (void) env;
+
+ if (is_Phi(node)) {
+ ir_node *block = get_nodes_block(node);
+ block_info_t *bi = get_block_blockinfo(block);
+
+ set_irn_link(node, bi->phi);
+ bi->phi = node;
+ return;
}
+
+ /* Ignore control flow nodes, these will be removed. */
+ if (get_irn_pinned(node) == op_pin_state_pinned &&
+ !is_Block(node) && !is_cfop(node)) {
+ ir_node *block = get_nodes_block(node);
+ block_info_t *bi = get_block_blockinfo(block);
+
+ bi->has_pinned = 1;
+ }
+}
+
+ir_node *skip_empty_block(ir_node *node)
+{
+ ir_node *block;
+ block_info_t *block_info;
+
+ if(!is_Jmp(node))
+ return node;
+
+ block = get_nodes_block(node);
+ if(get_Block_n_cfgpreds(block) != 1)
+ return node;
+
+ block_info = get_block_blockinfo(block);
+ if(block_info->has_pinned)
+ return node;
+
+ return get_Block_cfgpred(block, 0);
}
-void opt_bool(ir_graph *irg)
+static void find_cf_and_or_walker(ir_node *block, void *env)
+{
+ int i, i2;
+ int n_cfgpreds = get_Block_n_cfgpreds(block);
+ (void) env;
+
+ if(n_cfgpreds < 2)
+ return;
+
+ /* Find the following structure:
+ *
+ * upper_block
+ * / |
+ * / |
+ * lower_block |
+ * / \ |
+ * ... \ |
+ * block
+ */
+
+restart:
+ for(i = 0; i < n_cfgpreds; ++i) {
+ ir_node *lower_block;
+ ir_node *lower_cf;
+ ir_node *cond;
+ ir_node *cond_selector;
+ block_info_t *block_info;
+ ir_node *lower_pred;
+
+ lower_cf = get_Block_cfgpred(block, i);
+ lower_cf = skip_empty_block(lower_cf);
+ if(!is_Proj(lower_cf))
+ continue;
+
+ lower_block = get_nodes_block(lower_cf);
+ if(get_Block_n_cfgpreds(lower_block) != 1)
+ continue;
+
+ cond = get_Proj_pred(lower_cf);
+ if(!is_Cond(cond))
+ continue;
+
+ cond_selector = get_Cond_selector(cond);
+ if(get_irn_mode(cond_selector) != mode_b)
+ continue;
+
+ /* the block must not produce any side-effects */
+ block_info = get_block_blockinfo(lower_block);
+ if(block_info->has_pinned)
+ continue;
+
+ lower_pred = get_Block_cfgpred_block(lower_block, 0);
+
+ for(i2 = 0; i2 < n_cfgpreds; ++i2) {
+ ir_node *upper_block;
+ ir_node *upper_cf;
+ ir_node *upper_cond;
+ ir_node *upper_cond_selector;
+ ir_node *replacement;
+ ir_graph *irg;
+ cond_pair cpair;
+
+ upper_cf = get_Block_cfgpred(block, i2);
+ upper_cf = skip_empty_block(upper_cf);
+ if(is_Bad(upper_cf))
+ continue;
+ upper_block = get_nodes_block(upper_cf);
+ if(upper_block != lower_pred)
+ continue;
+
+ assert(is_Proj(upper_cf));
+ upper_cond = get_Proj_pred(upper_cf);
+ assert(is_Cond(upper_cond));
+ upper_cond_selector = get_Cond_selector(upper_cond);
+ if(get_irn_mode(upper_cond_selector) != mode_b)
+ continue;
+
+ /* we have found the structure */
+ /* TODO: check phis */
+ if(!find_cond_pair(cond_selector, upper_cond_selector, &cpair))
+ continue;
+
+ /* normalize pncs: we need the true case to jump into the
+ * common block */
+ irg = current_ir_graph;
+ if(get_Proj_proj(lower_cf) == pn_Cond_false) {
+ if(cpair.proj_lo == cond_selector) {
+ ir_mode *mode = get_tarval_mode(cpair.tv_lo);
+ cpair.pnc_lo = get_negated_pnc(cpair.pnc_lo, mode);
+ cpair.proj_lo = new_r_Proj(irg, lower_block,
+ get_Proj_pred(cpair.proj_lo), mode_b, cpair.pnc_lo);
+ } else {
+ assert(cpair.proj_hi == cond_selector);
+ ir_mode *mode = get_tarval_mode(cpair.tv_hi);
+ cpair.pnc_hi = get_negated_pnc(cpair.pnc_hi, mode);
+ cpair.proj_hi = new_r_Proj(irg, lower_block,
+ get_Proj_pred(cpair.proj_hi), mode_b, cpair.pnc_hi);
+ }
+ }
+ if(get_Proj_proj(upper_cf) == pn_Cond_false) {
+ if(cpair.proj_lo == upper_cond_selector) {
+ ir_mode *mode = get_tarval_mode(cpair.tv_lo);
+ cpair.pnc_lo = get_negated_pnc(cpair.pnc_lo, mode);
+ cpair.proj_lo = new_r_Proj(irg, upper_block,
+ get_Proj_pred(cpair.proj_lo), mode_b, cpair.pnc_lo);
+ } else {
+ assert(cpair.proj_hi == upper_cond_selector);
+ ir_mode *mode = get_tarval_mode(cpair.tv_hi);
+ cpair.pnc_hi = get_negated_pnc(cpair.pnc_hi, mode);
+ cpair.proj_hi = new_r_Proj(irg, upper_block,
+ get_Proj_pred(cpair.proj_hi), mode_b, cpair.pnc_hi);
+ }
+ }
+
+ /* can we optimize the case? */
+ replacement = bool_or(&cpair);
+ if(replacement == NULL)
+ continue;
+
+ /* move all nodes from lower block to upper block */
+ exchange(lower_block, upper_block);
+
+ set_Block_cfgpred(block, i2, new_Bad());
+
+ /* the optimisations expected the true case to jump */
+ if(get_Proj_proj(lower_cf) == pn_Cond_false) {
+ ir_node *block = get_nodes_block(replacement);
+ replacement = new_rd_Not(NULL, current_ir_graph, block,
+ replacement, mode_b);
+ }
+ set_Cond_selector(cond, replacement);
+
+ ir_fprintf(stderr, "replaced (ub %+F)\n", upper_block);
+ goto restart;
+ }
+ }
+}
+
+void opt_bool(ir_graph *const irg)
{
irg_walk_graph(irg, NULL, bool_walk, NULL);
+
+ set_using_irn_link(irg);
+
+ obstack_init(&obst);
+
+ irg_walk_graph(irg, create_blockinfos, collect_phis, NULL);
+
+ irg_block_walk_graph(irg, NULL, find_cf_and_or_walker, NULL);
+
+ obstack_free(&obst, NULL);
+
+ set_irg_outs_inconsistent(irg);
+ set_irg_doms_inconsistent(irg);
+ set_irg_extblk_inconsistent(irg);
+ set_irg_loopinfo_inconsistent(irg);
+
+ clear_using_irn_link(irg);
}
projects / libfirm / commitdiff