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authorchriseth <chris@ethereum.org>2018-03-13 20:00:16 +0800
committerchriseth <chris@ethereum.org>2018-04-03 20:34:32 +0800
commit138dba1a3fbb475a21a546bc39a55a746647439b (patch)
treeb7ea7f87cc351e780ef63c3013bd8eccd913a47d /test/libsolidity
parent6777f7a57fed6b39128773f13084da729dd64588 (diff)
downloaddexon-solidity-138dba1a3fbb475a21a546bc39a55a746647439b.tar.gz
dexon-solidity-138dba1a3fbb475a21a546bc39a55a746647439b.tar.zst
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Test number of sstore operations.
Diffstat (limited to 'test/libsolidity')
-rw-r--r--test/libsolidity/SolidityOptimizer.cpp40
1 files changed, 33 insertions, 7 deletions
diff --git a/test/libsolidity/SolidityOptimizer.cpp b/test/libsolidity/SolidityOptimizer.cpp
index 33039ca9..cf4550c7 100644
--- a/test/libsolidity/SolidityOptimizer.cpp
+++ b/test/libsolidity/SolidityOptimizer.cpp
@@ -74,11 +74,11 @@ public:
unsigned const _optimizeRuns = 200
)
{
- bytes nonOptimizedBytecode = compileAndRunWithOptimizer(_sourceCode, _value, _contractName, false, _optimizeRuns);
+ m_nonOptimizedBytecode = compileAndRunWithOptimizer(_sourceCode, _value, _contractName, false, _optimizeRuns);
m_nonOptimizedContract = m_contractAddress;
- bytes optimizedBytecode = compileAndRunWithOptimizer(_sourceCode, _value, _contractName, true, _optimizeRuns);
- size_t nonOptimizedSize = numInstructions(nonOptimizedBytecode);
- size_t optimizedSize = numInstructions(optimizedBytecode);
+ m_optimizedBytecode = compileAndRunWithOptimizer(_sourceCode, _value, _contractName, true, _optimizeRuns);
+ size_t nonOptimizedSize = numInstructions(m_nonOptimizedBytecode);
+ size_t optimizedSize = numInstructions(m_optimizedBytecode);
BOOST_CHECK_MESSAGE(
_optimizeRuns < 50 || optimizedSize < nonOptimizedSize,
string("Optimizer did not reduce bytecode size. Non-optimized size: ") +
@@ -104,7 +104,7 @@ public:
/// @returns the number of intructions in the given bytecode, not taking the metadata hash
/// into account.
- size_t numInstructions(bytes const& _bytecode)
+ size_t numInstructions(bytes const& _bytecode, boost::optional<Instruction> _which = boost::optional<Instruction>{})
{
BOOST_REQUIRE(_bytecode.size() > 5);
size_t metadataSize = (_bytecode[_bytecode.size() - 2] << 8) + _bytecode[_bytecode.size() - 1];
@@ -112,13 +112,16 @@ public:
BOOST_REQUIRE(_bytecode.size() >= metadataSize + 2);
bytes realCode = bytes(_bytecode.begin(), _bytecode.end() - metadataSize - 2);
size_t instructions = 0;
- solidity::eachInstruction(realCode, [&](Instruction, u256 const&) {
- instructions++;
+ solidity::eachInstruction(realCode, [&](Instruction _instr, u256 const&) {
+ if (!_which || *_which == _instr)
+ instructions++;
});
return instructions;
}
protected:
+ bytes m_nonOptimizedBytecode;
+ bytes m_optimizedBytecode;
Address m_optimizedContract;
Address m_nonOptimizedContract;
};
@@ -581,6 +584,29 @@ BOOST_AUTO_TEST_CASE(invalid_state_at_control_flow_join)
compareVersions("test()");
}
+BOOST_AUTO_TEST_CASE(optimise_multi_stores)
+{
+ char const* sourceCode = R"(
+ contract Test {
+ struct S { uint16 a; uint16 b; uint16[3] c; uint[] dyn; }
+ uint padding;
+ S[] s;
+ function f() public returns (uint16, uint16, uint16[3], uint) {
+ uint16[3] memory c;
+ c[0] = 7;
+ c[1] = 8;
+ c[2] = 9;
+ s.push(S(1, 2, c, new uint[](4)));
+ return (s[0].a, s[0].b, s[0].c, s[0].dyn[2]);
+ }
+ }
+ )";
+ compileBothVersions(sourceCode);
+ compareVersions("f()");
+ BOOST_CHECK_EQUAL(numInstructions(m_nonOptimizedBytecode, Instruction::SSTORE), 13);
+ BOOST_CHECK_EQUAL(numInstructions(m_optimizedBytecode, Instruction::SSTORE), 11);
+}
+
BOOST_AUTO_TEST_SUITE_END()
}