2019-01-17 13:57:55 +00:00
|
|
|
{
|
|
|
|
let a := mload(0)
|
|
|
|
let b := mload(1)
|
|
|
|
switch mload(2)
|
|
|
|
case 0 {
|
|
|
|
a := mload(b)
|
|
|
|
b := mload(a)
|
|
|
|
a := mload(b)
|
|
|
|
b := mload(a)
|
|
|
|
}
|
|
|
|
default {
|
|
|
|
b := mload(a)
|
|
|
|
a := mload(b)
|
|
|
|
b := mload(a)
|
|
|
|
a := mload(b)
|
|
|
|
}
|
|
|
|
mstore(a, b)
|
|
|
|
}
|
|
|
|
// ----
|
2020-03-17 22:31:56 +00:00
|
|
|
// step: ssaAndBack
|
|
|
|
//
|
2019-01-17 13:57:55 +00:00
|
|
|
// {
|
2021-11-09 12:25:25 +00:00
|
|
|
// {
|
|
|
|
// let a := mload(0)
|
|
|
|
// let b := mload(1)
|
|
|
|
// switch mload(2)
|
|
|
|
// case 0 {
|
|
|
|
// let a_3 := mload(b)
|
|
|
|
// let b_4 := mload(a_3)
|
|
|
|
// a := mload(b_4)
|
|
|
|
// b := mload(a)
|
|
|
|
// }
|
|
|
|
// default {
|
|
|
|
// let b_7 := mload(a)
|
|
|
|
// let a_8 := mload(b_7)
|
|
|
|
// b := mload(a_8)
|
|
|
|
// a := mload(b)
|
|
|
|
// }
|
|
|
|
// mstore(a, b)
|
2019-01-17 13:57:55 +00:00
|
|
|
// }
|
|
|
|
// }
|