ir_node *start_block; /**< the start block of the current graph */
} env_t;
-int (is_ir_extbb)(const void *thing) {
+int (is_ir_extbb)(const void *thing)
+{
return _is_ir_extbb(thing);
}
/**
* allocate a new extended block header.
*/
-static void allocate_extblk(ir_node *block, env_t *env) {
- ir_extblk *extblk = obstack_alloc(env->obst, sizeof(*extblk));
+static void allocate_extblk(ir_node *block, env_t *env)
+{
+ ir_extblk *extblk = OALLOC(env->obst, ir_extblk);
extblk->kind = k_ir_extblk;
extblk->visited = 1;
* Returns the number of block successors.
* we are interested only in 1, 2 and >2.
*/
-static int get_block_n_succs(ir_node *block) {
+static int get_block_n_succs(ir_node *block)
+{
if (edges_activated(current_ir_graph)) {
const ir_edge_t *edge;
/**
* Pre block-walker. Calculates the extended block info.
*/
-static void pre_walk_calc_extbb(ir_node *block, void *ctx) {
+static void pre_walk_calc_extbb(ir_node *block, void *ctx)
+{
int n = get_Block_n_cfgpreds(block);
env_t *env = ctx;
/* replace all sentinels by the extbb info */
prev = block;
list = NULL;
- while (1) {
+ for (;;) {
if (get_Block_extbb(prev) != sentinel)
break;
set_irn_link(prev, list);
/*
* Compute the extended basic blocks for a graph
*/
-void compute_extbb(ir_graph *irg) {
+void compute_extbb(ir_graph *irg)
+{
env_t env;
ir_extblk *extbb, *next;
}
/* free all extended block info. */
-void free_extbb(ir_graph *irg) {
+void free_extbb(ir_graph *irg)
+{
if (irg->extbb_obst) {
obstack_free(irg->extbb_obst, NULL);
xfree(irg->extbb_obst);
}
/* Return the extended block of a node. */
-ir_extblk *get_nodes_extbb(const ir_node *node) {
+ir_extblk *get_nodes_extbb(const ir_node *node)
+{
const ir_node *block = is_Block(node) ? node : get_nodes_block(node);
return get_Block_extbb(block);
}
/* Gets the visited counter of an extended block. */
-ir_visited_t (get_extbb_visited)(const ir_extblk *blk) {
+ir_visited_t (get_extbb_visited)(const ir_extblk *blk)
+{
return _get_extbb_visited(blk);
}
/* Sets the visited counter of an extended block. */
-void (set_extbb_visited)(ir_extblk *blk, ir_visited_t visited) {
+void (set_extbb_visited)(ir_extblk *blk, ir_visited_t visited)
+{
_set_extbb_visited(blk, visited);
}
/* Mark an extended block as visited in a graph. */
-void (mark_extbb_visited)(ir_extblk *blk) {
+void (mark_extbb_visited)(ir_extblk *blk)
+{
_mark_extbb_visited(blk);
}
/* Returns non-zero if an extended was visited. */
-int (extbb_visited)(const ir_extblk *blk) {
+int (extbb_visited)(const ir_extblk *blk)
+{
return _extbb_visited(blk);
}
/* Returns non-zero if an extended block was NOT visited. */
-int (extbb_not_visited)(const ir_extblk *blk) {
+int (extbb_not_visited)(const ir_extblk *blk)
+{
return _extbb_not_visited(blk);
}
/* Returns the link field of an extended block. */
-void *(get_extbb_link)(const ir_extblk *blk) {
+void *(get_extbb_link)(const ir_extblk *blk)
+{
return _get_extbb_link(blk);
}
/* Sets the link field of an extended block. */
-void (set_extbb_link)(ir_extblk *blk, void *link) {
+void (set_extbb_link)(ir_extblk *blk, void *link)
+{
_set_extbb_link(blk, link);
}
/* Return the number of basic blocks of an extended block */
-int (get_extbb_n_blocks)(const ir_extblk *blk) {
+int (get_extbb_n_blocks)(const ir_extblk *blk)
+{
return _get_extbb_n_blocks(blk);
}
/* Return the i'th basic block of an extended block */
-ir_node *(get_extbb_block)(const ir_extblk *blk, int pos) {
+ir_node *(get_extbb_block)(const ir_extblk *blk, int pos)
+{
return _get_extbb_block(blk, pos);
}
/* Return the leader basis block of an extended block. */
-ir_node *(get_extbb_leader)(const ir_extblk *blk) {
+ir_node *(get_extbb_leader)(const ir_extblk *blk)
+{
return _get_extbb_leader(blk);
}
/* Return the node number of an extended block. */
-long get_extbb_node_nr(const ir_extblk *blk) {
+long get_extbb_node_nr(const ir_extblk *blk)
+{
return get_irn_node_nr(get_extbb_leader(blk));
}
-static void irg_extblock_walk_2(ir_extblk *blk, extbb_walk_func *pre, extbb_walk_func *post, void *env) {
+static void irg_extblock_walk_2(ir_extblk *blk, extbb_walk_func *pre, extbb_walk_func *post, void *env)
+{
int i;
ir_node *node;
/* walks only over extended Block nodes in the graph. Has it's own visited
flag, so that it can be interleaved with the other walker. */
-void irg_extblock_walk(ir_extblk *blk, extbb_walk_func *pre, extbb_walk_func *post, void *env) {
+void irg_extblock_walk(ir_extblk *blk, extbb_walk_func *pre, extbb_walk_func *post, void *env)
+{
ir_node *pred, *start_bl = get_irg_start_block(current_ir_graph);
ir_extblk *start_blk = get_Block_extbb(start_bl);
int i;
}
/* Walks only over reachable Extended Basic Block nodes in the graph. */
-void irg_extblock_walk_graph(ir_graph *irg, extbb_walk_func *pre, extbb_walk_func *post, void *env) {
+void irg_extblock_walk_graph(ir_graph *irg, extbb_walk_func *pre, extbb_walk_func *post, void *env)
+{
ir_node *endbl = get_irg_end_block(irg);
ir_extblk *blk = get_Block_extbb(endbl);
ir_graph *rem = current_ir_graph;