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Rematerialize zero literals

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This commit is contained in:
Nikola Matic
2023-08-07 17:33:16 +02:00
parent 511712570b
commit 96e7b4f46b
195 changed files with 665 additions and 744 deletions
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test/cmdlineTests/optimizer_array_sload/output
+12 -13
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@@ -21,26 +21,25 @@ object "Arraysum_34" {
let _1 := 4
if iszero(lt(calldatasize(), _1))
{
let _2 := 0
if eq(0x81d73423, shr(224, calldataload(_2)))
if eq(0x81d73423, shr(224, calldataload(0)))
{
if callvalue() { revert(_2, _2) }
if slt(add(calldatasize(), not(3)), _2) { revert(_2, _2) }
let var_sum := _2
if callvalue() { revert(0, 0) }
if slt(add(calldatasize(), not(3)), 0) { revert(0, 0) }
let var_sum := 0
/// @src 0:368:378 "uint i = 0"
let var_i := /** @src 0:80:429 "contract Arraysum {..." */ _2
let _3 := sload(_2)
let var_i := /** @src 0:80:429 "contract Arraysum {..." */ var_sum
let _2 := sload(var_sum)
/// @src 0:364:423 "for(uint i = 0; i < values.length; i++)..."
for { }
/** @src 0:380:397 "i < values.length" */ lt(var_i, _3)
/** @src 0:380:397 "i < values.length" */ lt(var_i, _2)
/// @src 0:368:378 "uint i = 0"
{
/// @src 0:80:429 "contract Arraysum {..."
if eq(var_i, not(0))
{
mstore(_2, shl(224, 0x4e487b71))
mstore(0, shl(224, 0x4e487b71))
mstore(_1, 0x11)
revert(_2, 0x24)
revert(0, 0x24)
}
/// @src 0:399:402 "i++"
var_i := /** @src 0:80:429 "contract Arraysum {..." */ add(var_i, 1)
@@ -48,13 +47,13 @@ object "Arraysum_34" {
/// @src 0:399:402 "i++"
{
/// @src 0:80:429 "contract Arraysum {..."
mstore(_2, _2)
mstore(0, 0)
let sum := add(var_sum, sload(add(18569430475105882587588266137607568536673111973893317399460219858819262702947, var_i)))
if gt(var_sum, sum)
{
mstore(_2, shl(224, 0x4e487b71))
mstore(0, shl(224, 0x4e487b71))
mstore(_1, 0x11)
revert(_2, 0x24)
revert(0, 0x24)
}
/// @src 0:407:423 "sum += values[i]"
var_sum := sum