void GRAPH::init()
{
if (m_pool != NULL) return;
m_pool = smpool_create_handle((m_edge_hash_size + m_vex_hash_size) / 2,
MEM_COMM);
IS_TRUE(m_pool != NULL, ("create mem pool failed"));
//If m_edges already initialized, this call will do nothing.
m_edges.init(this, m_edge_hash_size);
//If m_vertexs already initialized, this call will do nothing.
m_vertexs.init(m_vex_hash_size);
m_is_unique = true;
m_is_direction = true;
}
IR_GVN::IR_GVN(REGION * ru)
{
IS_TRUE0(ru != NULL);
m_ru = ru;
m_md_sys = m_ru->get_md_sys();
m_du = m_ru->get_du_mgr();
m_dm = m_ru->get_dm();
m_cfg = m_ru->get_cfg();
m_vn_count = 1;
m_is_vn_fp = false;
m_is_valid = false;
m_is_comp_ild_vn_by_du = true;
m_is_comp_lda_string = false;
m_zero_vn = NULL;
LIST<IR_BB*> * bbl = ru->get_bb_list();
UINT n = 0;
for (IR_BB * bb = bbl->get_head(); bb != NULL; bb = bbl->get_next()) {
n += IR_BB_ir_num(bb);
}
m_stmt2domdef.init(MAX(4, get_nearest_power_of_2(n/2)));
m_pool = smpool_create_handle(sizeof(VN) * 4, MEM_COMM);
}