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Split MovableChecker and introduce SideEffectsUpToMSize.

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chriseth
2019-05-28 12:54:32 +02:00
parent b95eebee1c
commit afe887adc1
7 changed files with 124 additions and 60 deletions
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libyul/backends/evm/EVMDialect.cpp
+8 -3
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@@ -52,6 +52,8 @@ pair<YulString, BuiltinFunctionForEVM> createEVMFunction(
f.returns.resize(info.ret);
f.movable = eth::SemanticInformation::movable(_instruction);
f.sideEffectFree = eth::SemanticInformation::sideEffectFree(_instruction);
f.sideEffectFreeIfNoMSize = eth::SemanticInformation::sideEffectFreeIfNoMSize(_instruction);
f.isMSize = _instruction == dev::eth::Instruction::MSIZE;
f.literalArguments = false;
f.instruction = _instruction;
f.generateCode = [_instruction](
@@ -73,6 +75,7 @@ pair<YulString, BuiltinFunctionForEVM> createFunction(
size_t _returns,
bool _movable,
bool _sideEffectFree,
bool _sideEffectFreeIfNoMSize,
bool _literalArguments,
std::function<void(FunctionCall const&, AbstractAssembly&, BuiltinContext&, std::function<void()>)> _generateCode
)
@@ -85,6 +88,8 @@ pair<YulString, BuiltinFunctionForEVM> createFunction(
f.movable = _movable;
f.literalArguments = _literalArguments;
f.sideEffectFree = _sideEffectFree;
f.sideEffectFreeIfNoMSize = _sideEffectFreeIfNoMSize;
f.isMSize = false;
f.instruction = {};
f.generateCode = std::move(_generateCode);
return {name, f};
@@ -105,7 +110,7 @@ map<YulString, BuiltinFunctionForEVM> createBuiltins(langutil::EVMVersion _evmVe
if (_objectAccess)
{
builtins.emplace(createFunction("datasize", 1, 1, true, true, true, [](
builtins.emplace(createFunction("datasize", 1, 1, true, true, true, true, [](
FunctionCall const& _call,
AbstractAssembly& _assembly,
BuiltinContext& _context,
@@ -126,7 +131,7 @@ map<YulString, BuiltinFunctionForEVM> createBuiltins(langutil::EVMVersion _evmVe
_assembly.appendDataSize(_context.subIDs.at(dataName));
}
}));
builtins.emplace(createFunction("dataoffset", 1, 1, true, true, true, [](
builtins.emplace(createFunction("dataoffset", 1, 1, true, true, true, true, [](
FunctionCall const& _call,
AbstractAssembly& _assembly,
BuiltinContext& _context,
@@ -147,7 +152,7 @@ map<YulString, BuiltinFunctionForEVM> createBuiltins(langutil::EVMVersion _evmVe
_assembly.appendDataOffset(_context.subIDs.at(dataName));
}
}));
builtins.emplace(createFunction("datacopy", 3, 0, false, false, false, [](
builtins.emplace(createFunction("datacopy", 3, 0, false, false, false, false, [](
FunctionCall const&,
AbstractAssembly& _assembly,
BuiltinContext&,