mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
103 lines
2.4 KiB
C++
103 lines
2.4 KiB
C++
/*
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This file is part of solidity.
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solidity is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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solidity is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with solidity. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* Unit tests for the common subexpression eliminator optimizer stage.
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*/
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#include <test/libjulia/Common.h>
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#include <libjulia/optimiser/CommonSubexpressionEliminator.h>
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#include <libsolidity/inlineasm/AsmPrinter.h>
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#include <boost/test/unit_test.hpp>
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#include <boost/range/adaptors.hpp>
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#include <boost/algorithm/string/join.hpp>
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using namespace std;
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using namespace dev;
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using namespace dev::julia;
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using namespace dev::julia::test;
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using namespace dev::solidity;
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#define CHECK(_original, _expectation)\
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do\
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{\
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assembly::AsmPrinter p;\
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Block b = disambiguate(_original, false);\
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(CommonSubexpressionEliminator{})(b);\
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string result = p(b);\
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BOOST_CHECK_EQUAL(result, format(_expectation, false));\
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}\
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while(false)
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BOOST_AUTO_TEST_SUITE(YulCSE)
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BOOST_AUTO_TEST_CASE(smoke_test)
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{
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CHECK("{ }", "{ }");
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}
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BOOST_AUTO_TEST_CASE(trivial)
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{
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CHECK(
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"{ let a := mul(1, codesize()) let b := mul(1, codesize()) }",
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"{ let a := mul(1, codesize()) let b := a }"
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);
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}
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BOOST_AUTO_TEST_CASE(non_movable_instr)
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{
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CHECK(
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"{ let a := mload(1) let b := mload(1) }",
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"{ let a := mload(1) let b := mload(1) }"
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);
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}
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BOOST_AUTO_TEST_CASE(non_movable_instr2)
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{
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CHECK(
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"{ let a := gas() let b := gas() }",
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"{ let a := gas() let b := gas() }"
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);
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}
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BOOST_AUTO_TEST_CASE(branches_if)
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{
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CHECK(
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"{ let b := 1 if b { b := 1 } let c := 1 }",
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"{ let b := 1 if b { b := b } let c := 1 }"
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);
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}
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BOOST_AUTO_TEST_CASE(branches_for)
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{
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CHECK(
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"{ let a := 1 let b := codesize()"
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"for { } lt(1, codesize()) { mstore(1, codesize()) a := add(a, codesize()) }"
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"{ mstore(1, codesize()) } mstore(1, codesize()) }",
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"{ let a := 1 let b := codesize()"
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"for { } lt(1, b) { mstore(1, b) a := add(a, b) }"
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"{ mstore(1, b) } mstore(1, b) }"
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);
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}
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BOOST_AUTO_TEST_SUITE_END()
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