示例#1
0
/// Moves I before IP. Returns new insert point.
static BasicBlock::iterator moveBeforeInsertPoint(BasicBlock::iterator I, BasicBlock::iterator IP) {
  // If I is IP, move the insert point down.
  if (I == IP)
    return ++IP;
  // Otherwise, move I before IP and return IP.
  I->moveBefore(IP);
  return IP;
}