solidity/test/libyul/yulOptimizerTests/loopInvariantCodeMotion/multi.yul
2019-11-28 11:59:29 +01:00

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{
let b := 1
// tests if c, d, and inv can be moved outside in single pass
for { let a := 1 } iszero(eq(a, 10)) { a := add(a, 1) } {
let c := b
let d := mul(c, 2)
let inv := add(c, d)
a := add(a, 1)
mstore(a, inv)
}
}
// ====
// step: loopInvariantCodeMotion
// ----
// {
// let b := 1
// let a := 1
// let c := b
// let d := mul(c, 2)
// let inv := add(c, d)
// for { } iszero(eq(a, 10)) { a := add(a, 1) }
// {
// a := add(a, 1)
// mstore(a, inv)
// }
// }