mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
43 lines
1.3 KiB
C++
43 lines
1.3 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/>.
|
|
*/
|
|
/**
|
|
* Optimiser component that combines syntactically equivalent functions.
|
|
*/
|
|
|
|
#include <libyul/optimiser/EquivalentFunctionDetector.h>
|
|
#include <libyul/optimiser/SyntacticalEquality.h>
|
|
|
|
#include <libyul/AsmData.h>
|
|
#include <libyul/optimiser/Metrics.h>
|
|
|
|
using namespace std;
|
|
using namespace dev;
|
|
using namespace yul;
|
|
|
|
void EquivalentFunctionDetector::operator()(FunctionDefinition const& _fun)
|
|
{
|
|
uint64_t bodyHash = m_blockHashes[&_fun.body];
|
|
auto& candidates = m_candidates[bodyHash];
|
|
for (auto const& candidate: candidates)
|
|
if (SyntacticallyEqual{}.statementEqual(_fun, *candidate))
|
|
{
|
|
m_duplicates[_fun.name] = candidate;
|
|
return;
|
|
}
|
|
candidates.push_back(&_fun);
|
|
}
|