def visit_merge_left(self, merge, fresh_vars = True):
    
    if len(merge) == 0:
      return ""
    
    self.push()
    self.comment("Merge Phi Nodes (left side) " + str(merge))
    for (name, (left, _)) in merge.iteritems():
      c_left = self.visit_expr(left)
      if fresh_vars:
        self.declare(name, left.type, c_left)
      else:
        c_name = self.name(name)
        self.append("%s = %s;" % (c_name, c_left))
        
    return self.pop()
dataset/ETHPy150Open iskandr/parakeet/parakeet/c_backend/fn_compiler.py/FnCompiler.visit_merge_left/original