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Refactor data flow analyzer state access.

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This commit is contained in:
chriseth
2022-03-14 19:32:33 +01:00
parent e154d43176
commit eab4ca906c
14 changed files with 81 additions and 48 deletions
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libyul/optimiser/StackCompressor.cpp
+5 -4
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@@ -67,7 +67,8 @@ public:
if (size_t const* cost = util::valueOrNullptr(m_expressionCodeCost, candidate))
{
size_t numRef = m_numReferences[candidate];
cand[*cost * numRef].emplace_back(candidate, m_references[candidate]);
set<YulString> const* ref = references(candidate);
cand[*cost * numRef].emplace_back(candidate, ref ? move(*ref) : set<YulString>{});
}
}
return cand;
@@ -80,11 +81,11 @@ public:
if (_varDecl.variables.size() == 1)
{
YulString varName = _varDecl.variables.front().name;
if (m_value.count(varName))
if (AssignedValue const* value = variableValue(varName))
{
yulAssert(!m_expressionCodeCost.count(varName), "");
m_candidates.emplace_back(varName);
m_expressionCodeCost[varName] = CodeCost::codeCost(m_dialect, *m_value[varName].value);
m_expressionCodeCost[varName] = CodeCost::codeCost(m_dialect, *value->value);
}
}
}
@@ -105,7 +106,7 @@ public:
YulString name = std::get<Identifier>(_e).name;
if (m_expressionCodeCost.count(name))
{
if (!m_value.count(name))
if (!variableValue(name))
rematImpossible(name);
else
++m_numReferences[name];