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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/ir_compiler_subobjects/output
+12 -13
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@@ -47,31 +47,30 @@ object "D_16" {
mstore(64, _1)
if iszero(lt(calldatasize(), 4))
{
let _2 := 0
if eq(0x26121ff0, shr(224, calldataload(_2)))
if eq(0x26121ff0, shr(224, calldataload(0)))
{
if callvalue() { revert(_2, _2) }
if slt(add(calldatasize(), not(3)), _2) { revert(_2, _2) }
if callvalue() { revert(0, 0) }
if slt(add(calldatasize(), not(3)), 0) { revert(0, 0) }
/// @src 0:149:156 "new C()"
let _3 := datasize("C_3")
let _4 := add(_1, _3)
if or(gt(_4, 0xffffffffffffffff), lt(_4, _1))
let _2 := datasize("C_3")
let _3 := add(_1, _2)
if or(gt(_3, 0xffffffffffffffff), lt(_3, _1))
{
/// @src 0:96:165 "contract D {..."
mstore(_2, shl(224, 0x4e487b71))
mstore(0, shl(224, 0x4e487b71))
mstore(4, 0x41)
revert(_2, 0x24)
revert(0, 0x24)
}
/// @src 0:149:156 "new C()"
datacopy(_1, dataoffset("C_3"), _3)
if iszero(create(/** @src 0:96:165 "contract D {..." */ _2, /** @src 0:149:156 "new C()" */ _1, sub(_4, _1)))
datacopy(_1, dataoffset("C_3"), _2)
if iszero(create(/** @src 0:96:165 "contract D {..." */ 0, /** @src 0:149:156 "new C()" */ _1, sub(_3, _1)))
{
/// @src 0:96:165 "contract D {..."
let pos := mload(64)
returndatacopy(pos, _2, returndatasize())
returndatacopy(pos, 0, returndatasize())
revert(pos, returndatasize())
}
return(_2, _2)
return(0, 0)
}
}
revert(0, 0)