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SSAValueTracker should only use nullptr for default values
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@ -37,7 +37,7 @@ void SSAValueTracker::operator()(VariableDeclaration const& _varDecl)
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{
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{
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if (_varDecl.variables.size() == 1)
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if (_varDecl.variables.size() == 1)
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setValue(_varDecl.variables.front().name, _varDecl.value.get());
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setValue(_varDecl.variables.front().name, _varDecl.value.get());
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else
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else if (!_varDecl.value)
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for (auto const& var: _varDecl.variables)
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for (auto const& var: _varDecl.variables)
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setValue(var.name, nullptr);
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setValue(var.name, nullptr);
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}
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}
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@ -33,6 +33,8 @@ namespace yul
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* Class that walks the AST and stores the initial value of each variable
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* Class that walks the AST and stores the initial value of each variable
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* that is never assigned to.
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* that is never assigned to.
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*
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*
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* Default value is represented as nullptr.
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*
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* Prerequisite: Disambiguator
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* Prerequisite: Disambiguator
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*/
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*/
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class SSAValueTracker: public ASTWalker
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class SSAValueTracker: public ASTWalker
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