solidity/test/libyul/yulOptimizerTests/fullSimplify/invariant.yul
2019-04-03 14:58:20 +02:00

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{
let a := calldataload(sub(7, 7))
let b := sub(a, 0)
// Below, `b` is not eliminated, because
// we run CSE and then Simplify.
// Elimination of `b` would require another
// run of CSE afterwards.
mstore(b, eq(calldataload(0), a))
}
// ====
// step: fullSimplify
// ----
// {
// let a := calldataload(0)
// let _4 := 0
// let b := a
// mstore(b, eq(calldataload(_4), a))
// }