/*
- * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
*
* This file is part of libFirm.
*
* @date 2.2002
* @version $Id$
*/
-#ifdef HAVE_CONFIG_H
#include "config.h"
-#endif
-#ifdef HAVE_STRING_H
#include <string.h>
-#endif
#include "irouts.h"
#include "irgraph_t.h" /* To access state field. */
#include "irnode_t.h"
#include "ircons_t.h"
-#include "array.h"
+#include "array_t.h"
#include "iredges.h"
void set_Block_idom(ir_node *bl, ir_node *n) {
ir_dom_info *bli = get_dom_info(bl);
- assert(get_irn_op(bl) == op_Block);
+ assert(is_Block(bl));
/* Set the immediate dominator of bl to n */
bli->idom = n;
void set_Block_ipostdom(ir_node *bl, ir_node *n) {
ir_dom_info *bli = get_pdom_info(bl);
- assert(get_irn_op(bl) == op_Block);
+ assert(is_Block(bl));
/* Set the immediate post dominator of bl to n */
bli->idom = n;
}
int get_Block_dom_pre_num(const ir_node *bl) {
- assert(get_irn_op(bl) == op_Block);
+ assert(is_Block(bl));
return get_dom_info(bl)->pre_num;
}
void set_Block_dom_pre_num(ir_node *bl, int num) {
- assert(get_irn_op(bl) == op_Block);
+ assert(is_Block(bl));
get_dom_info(bl)->pre_num = num;
}
int get_Block_dom_depth(const ir_node *bl) {
- assert(get_irn_op(bl) == op_Block);
+ assert(is_Block(bl));
return get_dom_info(bl)->dom_depth;
}
void set_Block_dom_depth(ir_node *bl, int depth) {
- assert(get_irn_op(bl) == op_Block);
+ assert(is_Block(bl));
get_dom_info(bl)->dom_depth = depth;
}
int get_Block_postdom_pre_num(const ir_node *bl) {
- assert(get_irn_op(bl) == op_Block);
+ assert(is_Block(bl));
return get_pdom_info(bl)->pre_num;
}
void set_Block_postdom_pre_num(ir_node *bl, int num) {
- assert(get_irn_op(bl) == op_Block);
+ assert(is_Block(bl));
get_pdom_info(bl)->pre_num = num;
}
int get_Block_postdom_depth(const ir_node *bl) {
- assert(get_irn_op(bl) == op_Block);
+ assert(is_Block(bl));
return get_pdom_info(bl)->dom_depth;
}
void set_Block_postdom_depth(ir_node *bl, int depth) {
- assert(get_irn_op(bl) == op_Block);
+ assert(is_Block(bl));
get_pdom_info(bl)->dom_depth = depth;
}
/* The root of the dominator tree should be the Start block. */
ir_node *root = get_irg_start_block(irg);
- assert(irg->dom_state == dom_consistent
+ assert(irg->dom_state == dom_consistent
&& "The dominators of the irg must be consistent");
assert(root && "The start block of the graph is NULL?");
assert(get_dom_info(root)->idom == NULL
ir_node *p;
unsigned max = 0;
unsigned children = 0;
+ (void) data;
for(p = bi->first; p; p = get_dom_info(p)->next) {
unsigned max_p = get_dom_info(p)->max_subtree_pre_num;
ir_node *p;
unsigned max = 0;
unsigned children = 0;
+ (void) data;
for(p = bi->first; p; p = get_pdom_info(p)->next) {
unsigned max_p = get_pdom_info(p)->max_subtree_pre_num;
/* Iterate */
for (i = get_Block_n_cfg_outs_ka(bl) - 1; i >= 0; --i) {
ir_node *pred = get_Block_cfg_out_ka(bl, i);
- assert(is_Block(pred));
+ /* can happen for half-optimized dead code (I've seen this in student
+ projects */
+ if (!is_Block(pred))
+ continue;
+
init_tmp_dom_info(pred, tdi, tdi_list, used, n_blocks);
}
}
* if V is a root, return v, else return the vertex u, not being the
* root, with minimum u->semi on the path from v to its root.
*/
-INLINE static tmp_dom_info *dom_eval(tmp_dom_info *v) {
+inline static tmp_dom_info *dom_eval(tmp_dom_info *v) {
if (!v->ancestor) return v;
dom_compress (v);
return v->label;
}
/** make V W's ancestor */
-INLINE static void dom_link(tmp_dom_info *v, tmp_dom_info *w) {
+inline static void dom_link(tmp_dom_info *v, tmp_dom_info *w) {
w->ancestor = v;
}
for (i = j = 0; i < arity; i++) {
ir_node *pred = get_End_keepalive(end, i);
- if (get_irn_op(pred) == op_Block) {
- if (Block_not_block_visited(pred)) {
- /* we found a endless loop */
- dec_irg_block_visited(irg);
- irg_block_walk(pred, pre, NULL, &n_blocks);
- }
- else
+ if (!is_Block(pred)) {
+ pred = get_nodes_block(pred);
+ if (!is_Block(pred)) {
+ /* a node which has a bad block input: kill it */
continue;
+ }
}
+ dec_irg_block_visited(irg);
+ irg_block_walk(pred, pre, NULL, &n_blocks);
in[j++] = pred;
}
if (j != arity) {
- /* we kill some Block keep-alives */
+ /* we kill some keep-alives */
set_End_keepalives(end, j, in);
set_irg_outs_inconsistent(irg);
}
n_blocks = init_construction(irg, count_and_init_blocks_dom);
/* Memory for temporary information. */
- tdi_list = xcalloc(n_blocks, sizeof(tdi_list[0]));
+ tdi_list = XMALLOCNZ(tmp_dom_info, n_blocks);
/* We need the out data structure. */
assure_irg_outs(irg);
void free_dom(ir_graph *irg) {
/* Update graph state */
- assert(get_irg_phase_state(current_ir_graph) != phase_building);
- current_ir_graph->dom_state = dom_none;
+ assert(get_irg_phase_state(irg) != phase_building);
+ irg->dom_state = dom_none;
/* With the implementation right now there is nothing to free,
but better call it anyways... */
n_blocks = init_construction(irg, count_and_init_blocks_pdom);
/* Memory for temporary information. */
- tdi_list = xcalloc(n_blocks, sizeof(tdi_list[0]));
+ tdi_list = XMALLOCNZ(tmp_dom_info, n_blocks);
/* We need the out data structure. */
assure_irg_outs(irg);
void free_postdom(ir_graph *irg) {
/* Update graph state */
- assert(get_irg_phase_state(current_ir_graph) != phase_building);
- current_ir_graph->pdom_state = dom_none;
+ assert(get_irg_phase_state(irg) != phase_building);
+ irg->pdom_state = dom_none;
/* With the implementation right now there is nothing to free,
but better call it anyways... */
projects / libfirm / blobdiff