mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
55 lines
1.8 KiB
C++
55 lines
1.8 KiB
C++
|
/*
|
||
|
|
This file is part of solidity.
|
||
|
|
|
||
|
|
solidity is free software: you can redistribute it and/or modify
|
||
|
|
it under the terms of the GNU General Public License as published by
|
||
|
|
the Free Software Foundation, either version 3 of the License, or
|
||
|
|
(at your option) any later version.
|
||
|
|
|
||
|
|
solidity is distributed in the hope that it will be useful,
|
||
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
GNU General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU General Public License
|
||
|
|
along with solidity. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
/**
|
||
|
|
* Unit tests for stack shuffling.
|
||
|
|
*/
|
||
|
|
#include <libyul/backends/evm/StackHelpers.h>
|
||
|
|
#include <boost/test/unit_test.hpp>
|
||
|
|
|
||
|
|
using namespace std;
|
||
|
|
using namespace solidity::langutil;
|
||
|
|
|
||
|
|
namespace solidity::yul::test
|
||
|
|
{
|
||
|
|
|
||
|
|
BOOST_AUTO_TEST_SUITE(YulStackShuffling)
|
||
|
|
|
||
|
|
BOOST_AUTO_TEST_CASE(swap_cycle)
|
||
|
|
{
|
||
|
|
std::vector<Scope::Variable> scopeVariables;
|
||
|
|
Scope::Function function;
|
||
|
|
std::vector<VariableSlot> v;
|
||
|
|
for (size_t i = 0; i < 17; ++i)
|
||
|
|
scopeVariables.emplace_back(Scope::Variable{""_yulstring, YulString{"v" + to_string(i)}});
|
||
|
|
for (size_t i = 0; i < 17; ++i)
|
||
|
|
v.emplace_back(VariableSlot{scopeVariables[i]});
|
||
|
|
|
||
|
|
Stack sourceStack{
|
||
|
|
v[0], v[1], v[2], v[3], v[4], v[5], v[6], v[7], v[9], v[10], v[11], v[12], v[13], v[14], v[15], v[16],
|
||
|
|
FunctionReturnLabelSlot{function}, FunctionReturnLabelSlot{function}, v[5]};
|
||
|
|
Stack targetStack{
|
||
|
|
v[1], v[0], v[2], v[3], v[4], v[5], v[6], v[7], v[9], v[10], v[11], v[12], v[13], v[14], v[15], v[16],
|
||
|
|
FunctionReturnLabelSlot{function}, JunkSlot{}, JunkSlot{}
|
||
|
|
};
|
||
|
|
// Used to hit a swapping cycle.
|
||
|
|
createStackLayout(sourceStack, targetStack, [](auto){}, [](auto){}, [](){});
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOST_AUTO_TEST_SUITE_END()
|
||
|
|
|
||
|
|
}
|