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Optimize RETURN x 0 to STOP.

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This commit is contained in:
chriseth 2015-06-12 11:06:05 +02:00
parent c3caa2ce25
commit d60ef3f2d7
1 changed files with 4 additions and 1 deletions
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5
Compiler.cpp
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@ -298,7 +298,10 @@ void Compiler::appendReturnValuePacker(TypePointers const& _typeParameters)
stackDepth -= type->getSizeOnStack();
}
// note that the stack is not cleaned up here
m_context << u256(dataOffset) << u256(0) << eth::Instruction::RETURN;
if (dataOffset == 0)
m_context << eth::Instruction::STOP;
else
m_context << u256(dataOffset) << u256(0) << eth::Instruction::RETURN;
}
void Compiler::registerStateVariables(ContractDefinition const& _contract)