588   // Set loop alignment

   588   // Set loop alignment

   589   void set_loop_alignment();

   589   void set_loop_alignment();

   590 

   590 

   591   // Remove empty basic blocks

   591   // Remove empty basic blocks

   592   void remove_empty_blocks();

   592   void remove_empty_blocks();

   593   void fixup_flow();

   594   void fixup_flow();

   594 

   595 

   595   // Insert a node into a block at index and map the node to the block

   596   // Insert a node into a block at index and map the node to the block

   596   void insert(Block *b, uint idx, Node *n) {

   597   void insert(Block *b, uint idx, Node *n) {

   597     b->insert_node(n , idx);

   598     b->insert_node(n , idx);