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Modify parser and optimizer.

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This commit is contained in:
chriseth
2019-05-20 17:32:56 +02:00
parent 46d9df7574
commit 1dc15d5864
20 changed files with 117 additions and 61 deletions
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libyul/optimiser/Semantics.cpp
+11 -6
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@@ -23,6 +23,7 @@
#include <libyul/Exceptions.h>
#include <libyul/AsmData.h>
#include <libyul/Dialect.h>
#include <libyul/backends/evm/EVMDialect.h>
#include <libevmasm/SemanticInformation.h>
@@ -112,10 +113,14 @@ TerminationFinder::ControlFlow TerminationFinder::controlFlowKind(Statement cons
bool TerminationFinder::isTerminatingBuiltin(ExpressionStatement const& _exprStmnt)
{
if (_exprStmnt.expression.type() != typeid(FunctionalInstruction))
return false;
return eth::SemanticInformation::terminatesControlFlow(
boost::get<FunctionalInstruction>(_exprStmnt.expression).instruction
);
if (_exprStmnt.expression.type() == typeid(FunctionalInstruction))
return eth::SemanticInformation::terminatesControlFlow(
boost::get<FunctionalInstruction>(_exprStmnt.expression).instruction
);
else if (_exprStmnt.expression.type() == typeid(FunctionCall))
if (auto const* dialect = dynamic_cast<EVMDialect const*>(&m_dialect))
if (auto const* builtin = dialect->builtin(boost::get<FunctionCall>(_exprStmnt.expression).functionName.name))
if (builtin->instruction)
return eth::SemanticInformation::terminatesControlFlow(*builtin->instruction);
return false;
}