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Stricter tests for constant optimization.

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This commit is contained in:
chriseth 2017-04-03 14:41:09 +02:00
parent f77f2123f0
commit e2f00c96d5
1 changed files with 31 additions and 19 deletions
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50
test/libsolidity/SolidityOptimizer.cpp
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@ -74,16 +74,17 @@ public:
void compileBothVersions(
std::string const& _sourceCode,
u256 const& _value = 0,
std::string const& _contractName = ""
std::string const& _contractName = "",
unsigned const _optimizeRuns = 200
)
{
bytes nonOptimizedBytecode = compileAndRunWithOptimizer(_sourceCode, _value, _contractName, false);
bytes nonOptimizedBytecode = compileAndRunWithOptimizer(_sourceCode, _value, _contractName, false, _optimizeRuns);
m_nonOptimizedContract = m_contractAddress;
bytes optimizedBytecode = compileAndRunWithOptimizer(_sourceCode, _value, _contractName, true);
bytes optimizedBytecode = compileAndRunWithOptimizer(_sourceCode, _value, _contractName, true, _optimizeRuns);
size_t nonOptimizedSize = numInstructions(nonOptimizedBytecode);
size_t optimizedSize = numInstructions(optimizedBytecode);
BOOST_CHECK_MESSAGE(
optimizedSize < nonOptimizedSize,
_optimizeRuns < 50 || optimizedSize < nonOptimizedSize,
string("Optimizer did not reduce bytecode size. Non-optimized size: ") +
std::to_string(nonOptimizedSize) + " - optimized size: " +
std::to_string(optimizedSize)
@ -1191,31 +1192,42 @@ BOOST_AUTO_TEST_CASE(clear_unreachable_code)
BOOST_AUTO_TEST_CASE(computing_constants)
{
char const* sourceCode = R"(
contract c {
uint a;
uint b;
uint c;
function set() returns (uint a, uint b, uint c) {
a = 0x77abc0000000000000000000000000000000000000000000000000000000001;
b = 0x817416927846239487123469187231298734162934871263941234127518276;
contract C {
uint m_a;
uint m_b;
uint m_c;
uint m_d;
function C() {
set();
}
function set() returns (uint) {
m_a = 0x77abc0000000000000000000000000000000000000000000000000000000001;
m_b = 0x817416927846239487123469187231298734162934871263941234127518276;
g();
return 1;
}
function g() {
b = 0x817416927846239487123469187231298734162934871263941234127518276;
c = 0x817416927846239487123469187231298734162934871263941234127518276;
m_b = 0x817416927846239487123469187231298734162934871263941234127518276;
m_c = 0x817416927846239487123469187231298734162934871263941234127518276;
h();
}
function get() returns (uint ra, uint rb, uint rc) {
ra = a;
rb = b;
rc = c ;
function h() {
m_d = 0xff05694900000000000000000000000000000000000000000000000000000000;
}
function get() returns (uint ra, uint rb, uint rc, uint rd) {
ra = m_a;
rb = m_b;
rc = m_c;
rd = m_d;
}
}
)";
compileBothVersions(sourceCode);
compileBothVersions(sourceCode, 0, "C", 1);
compareVersions("get()");
compareVersions("set()");
compareVersions("get()");
bytes optimizedBytecode = compileAndRunWithOptimizer(sourceCode, 0, "c", true, 1);
bytes optimizedBytecode = compileAndRunWithOptimizer(sourceCode, 0, "C", true, 1);
bytes complicatedConstant = toBigEndian(u256("0x817416927846239487123469187231298734162934871263941234127518276"));
unsigned occurrences = 0;
for (auto iter = optimizedBytecode.cbegin(); iter < optimizedBytecode.cend(); ++occurrences)