// SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.0; contract Arraysum { uint256[] values; function sumArray() public view returns(uint) { uint sum = 0; // The optimizer should read the length of the array only once, because // LoopInvariantCodeMotion can move the `sload` corresponding to the length outside of the // loop. for(uint i = 0; i < values.length; i++) sum += values[i]; } }