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/*
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/>.
*/
/**
* @date 2017
* Unit tests for the Yul function inliner.
*/
#include <test/libyul/Common.h>
#include <libyul/optimiser/ExpressionInliner.h>
#include <libyul/optimiser/InlinableExpressionFunctionFinder.h>
#include <libyul/optimiser/FullInliner.h>
#include <libyul/optimiser/FunctionHoister.h>
#include <libyul/optimiser/FunctionGrouper.h>
#include <libsolidity/inlineasm/AsmPrinter.h>
#include <boost/test/unit_test.hpp>
#include <boost/range/adaptors.hpp>
#include <boost/algorithm/string/join.hpp>
using namespace std;
using namespace dev;
using namespace dev::yul;
using namespace dev::yul::test;
using namespace dev::solidity;
namespace
{
string inlinableFunctions(string const& _source)
{
auto ast = disambiguate(_source);
InlinableExpressionFunctionFinder funFinder;
funFinder(ast);
return boost::algorithm::join(
funFinder.inlinableFunctions() | boost::adaptors::map_keys,
","
);
}
}
BOOST_AUTO_TEST_SUITE(YulInlinableFunctionFilter)
BOOST_AUTO_TEST_CASE(smoke_test)
{
BOOST_CHECK_EQUAL(inlinableFunctions("{ }"), "");
}
BOOST_AUTO_TEST_CASE(simple)
{
BOOST_CHECK_EQUAL(inlinableFunctions("{ function f() -> x:u256 { x := 2:u256 } }"), "f");
BOOST_CHECK_EQUAL(inlinableFunctions("{"
"function g(a:u256) -> b:u256 { b := a }"
"function f() -> x:u256 { x := g(2:u256) }"
"}"), "f,g");
}
BOOST_AUTO_TEST_CASE(simple_inside_structures)
{
BOOST_CHECK_EQUAL(inlinableFunctions("{"
"switch 2:u256 "
"case 2:u256 {"
"function g(a:u256) -> b:u256 { b := a }"
"function f() -> x:u256 { x := g(2:u256) }"
"}"
"}"), "f,g");
BOOST_CHECK_EQUAL(inlinableFunctions("{"
"for {"
"function g(a:u256) -> b:u256 { b := a }"
"} 1:u256 {"
"function f() -> x:u256 { x := g(2:u256) }"
"}"
"{"
"function h() -> y:u256 { y := 2:u256 }"
"}"
"}"), "f,g,h");
}
BOOST_AUTO_TEST_CASE(negative)
{
BOOST_CHECK_EQUAL(inlinableFunctions("{ function f() -> x:u256 { } }"), "");
BOOST_CHECK_EQUAL(inlinableFunctions("{ function f() -> x:u256 { x := 2:u256 {} } }"), "");
BOOST_CHECK_EQUAL(inlinableFunctions("{ function f() -> x:u256 { x := f() } }"), "");
BOOST_CHECK_EQUAL(inlinableFunctions("{ function f() -> x:u256 { x := x } }"), "");
BOOST_CHECK_EQUAL(inlinableFunctions("{ function f() -> x:u256, y:u256 { x := 2:u256 } }"), "");
BOOST_CHECK_EQUAL(inlinableFunctions(
"{ function g() -> x:u256, y:u256 {} function f(y:u256) -> x:u256 { x,y := g() } }"), "");
BOOST_CHECK_EQUAL(inlinableFunctions("{ function f(y:u256) -> x:u256 { y := 2:u256 } }"), "");
}
BOOST_AUTO_TEST_SUITE_END()
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