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Adjust cost of literal zero.

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This commit is contained in:
chriseth
2021-04-22 11:42:42 +02:00
parent 1eff128b6d
commit 35b651103d
30 changed files with 172 additions and 212 deletions
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test/cmdlineTests/optimizer_array_sload/output
+3 -6
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@@ -38,7 +38,9 @@ object "Arraysum_34" {
}
{
mstore(_1, _1)
var_sum := checked_add_uint256(var_sum, sload(add(keccak256(_1, 0x20), var_i)))
let _3 := sload(add(keccak256(_1, 0x20), var_i))
if gt(var_sum, not(_3)) { panic_error_0x11() }
var_sum := add(var_sum, _3)
}
let memPos := mload(64)
return(memPos, sub(abi_encode_uint256(memPos, var_sum), memPos))
@@ -51,11 +53,6 @@ object "Arraysum_34" {
tail := add(headStart, 32)
mstore(headStart, value0)
}
function checked_add_uint256(x, y) -> sum
{
if gt(x, not(y)) { panic_error_0x11() }
sum := add(x, y)
}
function panic_error_0x11()
{
mstore(0, shl(224, 0x4e487b71))