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Fix stack compressor wrt literal arguments.

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This commit is contained in:
chriseth
2020-07-23 14:03:51 +02:00
parent fc34c81f4c
commit b1f79072df
1 changed files with 11 additions and 4 deletions
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libyul/backends/evm/NoOutputAssembly.cpp
+11 -4
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@@ -163,14 +163,21 @@ NoOutputEVMDialect::NoOutputEVMDialect(EVMDialect const& _copyFrom):
{
for (auto& fun: m_functions)
{
size_t parameters = fun.second.parameters.size();
size_t returns = fun.second.returns.size();
fun.second.generateCode = [=](FunctionCall const& _call, AbstractAssembly& _assembly, BuiltinContext&, std::function<void(Expression const&)> _visitExpression)
{
for (auto const& arg: _call.arguments | boost::adaptors::reversed)
_visitExpression(arg);
size_t visited = 0;
for (size_t j = 0; j < _call.arguments.size(); j++)
{
size_t const i = _call.arguments.size() - j - 1;
if (!(fun.second.literalArguments && (*fun.second.literalArguments)[i]))
{
_visitExpression(_call.arguments[i]);
visited++;
}
}
for (size_t i = 0; i < parameters; i++)
for (size_t i = 0; i < visited; i++)
_assembly.appendInstruction(evmasm::Instruction::POP);
for (size_t i = 0; i < returns; i++)