From: yu.dongliang <18588496441@163.com>
Date: Wed, 27 Dec 2023 16:45:56 +0000 (+0800)
Subject: delete some unused code
X-Git-Url: http://baseworks.info/?a=commitdiff_plain;h=04b3f67d69ec5edfb780b1148655e0dee8b73ae9;p=scf.git

delete some unused code
---

diff --git a/core/scf_dag.c b/core/scf_dag.c
index 97b7d2a..0aefa7a 100644
--- a/core/scf_dag.c
+++ b/core/scf_dag.c
@@ -661,167 +661,6 @@ cmp_childs:
 	return 1;
 }
 
-int scf_dag_node_same2(scf_dag_node_t* dag_node, const scf_node_t* node)
-{
-	int i;
-
-	if (node->split_flag) {
-		if (dag_node->var != _scf_operand_get(node))
-			return 0;
-		node = node->split_parent;
-	}
-
-	if (dag_node->type != node->type)
-		return 0;
-
-	if (scf_type_is_var(node->type)) {
-		if (dag_node->var == node->var)
-			return 1;
-		else
-			return 0;
-	}
-
-	if (SCF_OP_LOGIC_AND == node->type
-			|| SCF_OP_LOGIC_OR == node->type
-			|| SCF_OP_INC      == node->type
-			|| SCF_OP_DEC      == node->type
-			|| SCF_OP_INC_POST == node->type
-			|| SCF_OP_DEC_POST == node->type) {
-		if (dag_node->var == _scf_operand_get((scf_node_t*)node))
-			return 1;
-		return 0;
-	}
-
-	if (!dag_node->childs)
-		return 0;
-
-	if (SCF_OP_TYPE_CAST == node->type) {
-		scf_dag_node_t* dn0 = dag_node->childs->data[0];
-		scf_variable_t* vn1 = _scf_operand_get(node->nodes[1]);
-		scf_node_t*     n1  = node->nodes[1];
-
-		while (SCF_OP_EXPR == n1->type)
-			n1 = n1->nodes[0];
-
-		if (scf_dag_node_same2(dn0, n1)
-				&& scf_variable_same_type(dag_node->var, node->result))
-			return 1;
-		else
-			return 0;
-
-	} else if (SCF_OP_ARRAY_INDEX == node->type) {
-		assert(3 == dag_node->childs->size);
-		assert(2 == node->nb_nodes);
-		goto cmp_childs;
-
-	} else if (SCF_OP_ADDRESS_OF == node->type) {
-		assert(1 == node->nb_nodes);
-
-		if (SCF_OP_ARRAY_INDEX == node->nodes[0]->type) {
-			assert(2 == node->nodes[0]->nb_nodes);
-
-			if (!dag_node->childs || 3 != dag_node->childs->size)
-				return 0;
-
-			node = node->nodes[0];
-			goto cmp_childs;
-
-		} else if (SCF_OP_POINTER == node->nodes[0]->type) {
-			assert(2 == node->nodes[0]->nb_nodes);
-
-			if (!dag_node->childs || 2 != dag_node->childs->size)
-				return 0;
-
-			node = node->nodes[0];
-			goto cmp_childs;
-		}
-	}
-
-	if (dag_node->childs->size != node->nb_nodes)
-		return 0;
-
-cmp_childs:
-	for (i = 0; i < node->nb_nodes; i++) {
-		scf_dag_node_t*	dag_child = dag_node->childs->data[i];
-		scf_node_t*		child = node->nodes[i];
-
-		while (SCF_OP_EXPR == child->type)
-			child = child->nodes[0];
-
-		if (0 == scf_dag_node_same2(dag_child, child))
-			return 0;
-	}
-
-	return 1;
-}
-
-scf_dag_node_t* scf_dag_find_node2(scf_list_t* h, const scf_node_t* node)
-{
-	scf_node_t* origin = (scf_node_t*)node;
-
-	while (SCF_OP_EXPR == origin->type)
-		origin = origin->nodes[0];
-
-	scf_list_t* l;
-	for (l = scf_list_tail(h); l != scf_list_sentinel(h); l = scf_list_prev(l)) {
-
-		scf_dag_node_t* dag_node = scf_list_data(l, scf_dag_node_t, list);
-
-		if (scf_dag_node_same2(dag_node, origin))
-			return dag_node;
-	}
-
-	return NULL;
-}
-
-int scf_dag_node_like (scf_dag_node_t* dn, const scf_node_t* node, scf_list_t* h)
-{
-	const scf_node_t* n1  = NULL;
-	scf_dag_node_t*   dn0 = NULL;
-	scf_dag_node_t*   dn1 = NULL;
-	scf_variable_t*   vn1 = NULL;
-	scf_variable_t*   res = _scf_operand_get(node);
-
-	if (SCF_OP_TYPE_CAST == node->type) {
-
-		dn0 = dn->childs->data[0];
-		vn1 = _scf_operand_get(node->nodes[1]);
-		n1  = node->nodes[1];
-
-		while (SCF_OP_EXPR == n1->type)
-			n1 = n1->nodes[0];
-	} else {
-		dn0 = dn;
-		n1  = node;
-	}
-
-	if (scf_variable_same_type(dn->var, res)) {
-
-		if (scf_dag_node_same(dn0, n1))
-			return 1;
-
-		dn1 = scf_dag_find_node(h, n1);
-		if (!dn1) {
-
-			dn1 = scf_dag_find_node2(h, n1);
-			if (!dn1)
-				return 0;
-		}
-
-		if (scf_dag_dn_same(dn0, dn1))
-			return 1;
-	}
-
-	scf_logd("var: %#lx, %#lx, type: %d, %d, node: %#lx, %#lx, same: %d\n",
-			0xffff & (uintptr_t)dn0->var,
-			0xffff & (uintptr_t)vn1,
-			dn->var->type, res->type,
-			0xffff & (uintptr_t)dn,
-			0xffff & (uintptr_t)node,
-			scf_variable_same_type(dn->var, res));
-	return 0;
-}
-
 scf_dag_node_t* scf_dag_find_node(scf_list_t* h, const scf_node_t* node)
 {
 	scf_node_t* origin = (scf_node_t*)node;
diff --git a/core/scf_dag.h b/core/scf_dag.h
index f90e9d1..f12135d 100644
--- a/core/scf_dag.h
+++ b/core/scf_dag.h
@@ -104,7 +104,6 @@ scf_dag_node_t*   scf_dag_node_alloc(int type, scf_variable_t* var, const scf_no
 int               scf_dag_node_add_child (scf_dag_node_t* parent, scf_dag_node_t* child);
 
 int               scf_dag_node_same (scf_dag_node_t* dag_node, const scf_node_t* node);
-int               scf_dag_node_like (scf_dag_node_t* dag_node, const scf_node_t* node, scf_list_t* h);
 void              scf_dag_node_free (scf_dag_node_t* dag_node);
 
 void              scf_dag_node_free_list(scf_list_t* dag_list_head);