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some more debugging output

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This commit is contained in:
chriseth
2022-03-20 22:34:22 +01:00
parent c8c9067c9b
commit fe15610ba4
3 changed files with 12 additions and 1 deletions
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libyul/optimiser/ReasoningBasedSimplifier.cpp
+7
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@@ -67,25 +67,31 @@ void ReasoningBasedSimplifier::operator()(If& _if)
if (!SideEffectsCollector{m_dialect, *_if.condition}.movable())
return;
cout << "Checking if condition can be false" << endl;
smtutil::Expression condition = encodeExpression(*_if.condition);
m_solver->push();
m_solver->addAssertion(condition == constantValue(0));
cout << " running check" << endl;
CheckResult result = m_solver->check({}).first;
m_solver->pop();
if (result == CheckResult::UNSATISFIABLE)
{
cout << " unsat => cannot be false!" << endl;
Literal trueCondition = m_dialect.trueLiteral();
trueCondition.debugData = debugDataOf(*_if.condition);
_if.condition = make_unique<yul::Expression>(move(trueCondition));
}
else
{
cout << "Checking if condition can be true" << endl;
m_solver->push();
m_solver->addAssertion(condition != constantValue(0));
cout << " running check" << endl;
CheckResult result2 = m_solver->check({}).first;
m_solver->pop();
if (result2 == CheckResult::UNSATISFIABLE)
{
cout << " unsat => cannot be true!" << endl;
Literal falseCondition = m_dialect.zeroLiteralForType(m_dialect.boolType);
falseCondition.debugData = debugDataOf(*_if.condition);
_if.condition = make_unique<yul::Expression>(move(falseCondition));
@@ -96,6 +102,7 @@ void ReasoningBasedSimplifier::operator()(If& _if)
}
m_solver->push();
cout << "Setting condition true inside body" << endl;
m_solver->addAssertion(condition != constantValue(0));
ASTModifier::operator()(_if.body);