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Use unbounded allocation before returning.

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This commit is contained in:
Daniel Kirchner
2021-04-08 18:37:24 +02:00
parent c060bd5633
commit 96c8123b6b
135 changed files with 200 additions and 393 deletions
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test/cmdlineTests/viair_subobjects/output
+9 -16
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@@ -35,9 +35,9 @@ object "C_3" {
======= viair_subobjects/input.sol:D =======
Binary:
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
608060405234156100105760006000fd5b60b680610020600039806000f350fe60806040526004361015156087576000803560e01c6326121ff0141560855734156027578081fd5b80600319360112156036578081fd5b6028806080016080811067ffffffffffffffff82111715606457634e487b7160e01b83526041600452602483fd5b508061008e60803980608083f01515607e573d82833e3d82fd5b5080604051f35b505b60006000fdfe60806040523415600f5760006000fd5b600a80601e600039806000f350fe608060405260006000fd
Binary of the runtime part:
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
60806040526004361015156087576000803560e01c6326121ff0141560855734156027578081fd5b80600319360112156036578081fd5b6028806080016080811067ffffffffffffffff82111715606457634e487b7160e01b83526041600452602483fd5b508061008e60803980608083f01515607e573d82833e3d82fd5b5080604051f35b505b60006000fdfe60806040523415600f5760006000fd5b600a80601e600039806000f350fe608060405260006000fd
Optimized IR:
/*******************************************************
* WARNING *
@@ -69,30 +69,23 @@ object "D_16" {
if slt(add(calldatasize(), not(3)), _1) { revert(_1, _1) }
let _2 := datasize("C_3")
let _3 := add(128, _2)
if or(gt(_3, 0xffffffffffffffff), lt(_3, 128)) { panic_error_0x41() }
if or(gt(_3, 0xffffffffffffffff), lt(_3, 128))
{
mstore(_1, shl(224, 0x4e487b71))
mstore(4, 0x41)
revert(_1, 0x24)
}
datacopy(128, dataoffset("C_3"), _2)
if iszero(create(_1, 128, _2))
{
returndatacopy(_1, _1, returndatasize())
revert(_1, returndatasize())
}
return(allocate_memory(), _1)
return(mload(64), _1)
}
}
revert(0, 0)
}
function allocate_memory() -> memPtr
{
memPtr := mload(64)
if gt(memPtr, 0xffffffffffffffff) { panic_error_0x41() }
mstore(64, memPtr)
}
function panic_error_0x41()
{
mstore(0, shl(224, 0x4e487b71))
mstore(4, 0x41)
revert(0, 0x24)
}
}
object "C_3" {
code {