solidity/test/libsolidity/semanticTests/operators/shifts/shift_overflow.sol

20 lines
502 B
Solidity

contract C {
function leftU(uint8 x, uint8 y) public returns (uint8) {
return x << y;
}
function leftS(int8 x, uint8 y) public returns (int8) {
return x << y;
}
}
// ====
// compileToEwasm: also
// compileViaYul: also
// ----
// leftU(uint8,uint8): 255, 8 -> 0
// leftU(uint8,uint8): 255, 1 -> 254
// leftU(uint8,uint8): 255, 0 -> 255
// leftS(int8,uint8): 1, 7 -> -128 # Result is -128 and output is sign-extended, not zero-padded. #
// leftS(int8,uint8): 1, 6 -> 64