X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbessaconstr.c;h=a5c1a35c28e242873008935aabeb6674bceb2e8f;hb=9276447aec4972df060349e162f583c4898dfec8;hp=ae2d19495a90fe1f99fe5518c656c527cebc58b5;hpb=39f3a8dbd0f00f90b7b12a849d1bf7b9c1329479;p=libfirm

diff --git a/ir/be/bessaconstr.c b/ir/be/bessaconstr.c
index ae2d19495..a5c1a35c2 100644
--- a/ir/be/bessaconstr.c
+++ b/ir/be/bessaconstr.c
@@ -53,7 +53,7 @@
 #include "bessaconstr.h"
 #include "bemodule.h"
 #include "besched_t.h"
-#include "bera.h"
+#include "beintlive_t.h"
 #include "beirg_t.h"
 
 #include "debug.h"
@@ -394,124 +394,6 @@ void be_ssa_construction_update_liveness_phis(be_ssa_construction_env_t *env,
 	}
 }
 
-#if 0
-ir_node **be_ssa_construction(const be_dom_front_info_t *domfronts, be_lv_t *lv,
-                              ir_node *value, int copies_len, ir_node **copies,
-                              const ir_nodeset_t *ignore_uses, int need_new_phis)
-{
-	ir_graph *irg = get_irn_irg(value);
-	const ir_edge_t *edge, *next;
-	int i;
-	ir_node *block;
-	waitq *worklist;
-	be_ssa_construction_env_t env;
-
-	/* We need to collect the phi functions to compute their liveness. */
-	if(lv != NULL || need_new_phis) {
-		env.new_phis = NEW_ARR_F(ir_node*, 0);
-	} else {
-		env.new_phis = NULL;
-	}
-	env.mode = get_irn_mode(value);
-
-	set_using_visited(irg);
-	set_using_block_visited(irg);
-	set_using_irn_link(irg);
-
-	/* we use the visited flag to indicate blocks in the dominance frontier
-	 * and blocks that already have the relevant value at the end calculated */
-	inc_irg_visited(irg);
-	/* We use the block visited flag to indicate blocks in the dominance
-	 * froniter of some values (and this potentially needing phis) */
-	inc_irg_block_visited(irg);
-
-	DBG((dbg, LEVEL_1, "Introducing following copies for: %+F\n", value));
-	/* compute iterated dominance frontiers and create lists in the block link
-	 * fields that sort usages by dominance. Blocks in the dominance frontier
-	 * are marked by links back to the block. */
-	worklist = new_waitq();
-
-	block = get_nodes_block(value);
-	/* we sometimes replace virtual values by real ones, in this case we do
-	   not want to insert them into the def list (they're not scheduled
-	   and can't be used anyway) */
-	if(sched_is_scheduled(value)) {
-		introduce_def_at_block(block, value);
-	}
-	waitq_put(worklist, block);
-
-	for(i = 0; i < copies_len; ++i) {
-		ir_node *copy = copies[i];
-		block = get_nodes_block(copy);
-
-		if(!irn_visited(block)) {
-			waitq_put(worklist, block);
-		}
-		introduce_def_at_block(block, copy);
-		DBG((dbg, LEVEL_1, "\t%+F in %+F\n", copy, block));
-	}
-
-	mark_iterated_dominance_frontiers(domfronts, worklist);
-	del_waitq(worklist);
-
-	DBG((dbg, LEVEL_2, "New Definitions:\n"));
-	/*
-	 * Search the valid def for each use and set it.
-	 */
-	foreach_out_edge_safe(value, edge, next) {
-		ir_node *use = get_edge_src_irn(edge);
-		ir_node *at  = use;
-		int pos      = get_edge_src_pos(edge);
-
-		if(ignore_uses != NULL && ir_nodeset_contains(ignore_uses, use))
-			continue;
-
-		if(is_Phi(use)) {
-			ir_node *block = get_nodes_block(use);
-			ir_node *predblock = get_Block_cfgpred_block(block, pos);
-			at = sched_last(predblock);
-		}
-
-		ir_node *def = search_def(&env, at);
-
-		if(def == NULL) {
-			panic("no definition found for %+F at position %d\n", use, pos);
-		}
-
-		DBG((dbg, LEVEL_2, "\t%+F(%d) -> %+F\n", use, pos, def));
-		set_irn_n(use, pos, def);
-	}
-
-	/* Recompute the liveness of the original nodes, the copies and the
-	 * inserted phis. */
-	if(lv != NULL) {
-		int n;
-
-		be_liveness_update(lv, value);
-		for(i = 0; i < copies_len; ++i) {
-			ir_node *copy = copies[i];
-			be_liveness_update(lv, copy);
-		}
-
-		n = ARR_LEN(env.new_phis);
-		for(i = 0; i < n; ++i) {
-			ir_node *phi = env.new_phis[i];
-			be_liveness_introduce(lv, phi);
-		}
-	}
-
-	clear_using_visited(irg);
-	clear_using_block_visited(irg);
-	clear_using_irn_link(irg);
-
-	if(!need_new_phis && env.new_phis != NULL) {
-		DEL_ARR_F(env.new_phis);
-		return NULL;
-	}
-	return env.new_phis;
-}
-#endif
-
 void be_init_ssaconstr(void)
 {
 	FIRM_DBG_REGISTER(dbg, "firm.be.ssaconstr");