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Internals: Fix dtype() dead code drop on assign varrefs

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This commit is contained in:
Wilson Snyder 2012-05-02 20:53:19 -04:00
parent 5d8c1ce84e
commit 6b97673d0a
1 changed files with 3 additions and 0 deletions
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src/V3Dead.cpp
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@ -23,6 +23,8 @@
// Remove any unreferenced modules
// Remove any unreferenced variables
//
// TODO: A graph would make the process of circular and interlinked
// dependencies easier to resolve.
// NOTE: If redo this, consider using maybePointedTo()/broken() ish scheme
// instead of needing as many visitors.
//*************************************************************************
@ -182,6 +184,7 @@ private:
if (varrefp && !m_sideEffect
&& varrefp->varScopep()) { // For simplicity, we only remove post-scoping
m_assignMap.insert(make_pair(varrefp->varScopep(), nodep));
checkAll(varrefp); // Must track reference to dtype()
} else { // Track like any other statement
nodep->lhsp()->iterateAndNext(*this);
}