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Fix initiation of function variables (#3815).

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This commit is contained in:
Wilson Snyder
2022-12-23 10:51:52 -05:00
parent afd7c2ae25
commit 3ccb2e0f2d
11 changed files with 126 additions and 25 deletions
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src/V3CCtors.cpp
+12 -4
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@@ -138,6 +138,7 @@ private:
// STATE
AstNodeModule* m_modp = nullptr; // Current module
AstCFunc* m_cfuncp = nullptr; // Current function
V3CCtorsBuilder* m_varResetp = nullptr; // Builder of _ctor_var_reset
// VISITs
@@ -172,16 +173,23 @@ private:
void visit(AstCFunc* nodep) override {
VL_RESTORER(m_varResetp);
VL_RESTORER(m_cfuncp);
m_varResetp = nullptr;
m_cfuncp = nodep;
iterateChildren(nodep);
}
void visit(AstVar* nodep) override {
if (m_varResetp && !nodep->isIfaceParent() && !nodep->isIfaceRef() && !nodep->noReset()
&& !nodep->isParam()
if (!nodep->isIfaceParent() && !nodep->isIfaceRef() && !nodep->noReset()
&& !nodep->isParam() && !nodep->isStatementTemp()
&& !(nodep->basicp()
&& (nodep->basicp()->isEvent() || nodep->basicp()->isTriggerVec()))) {
const auto vrefp = new AstVarRef{nodep->fileline(), nodep, VAccess::WRITE};
m_varResetp->add(new AstCReset{nodep->fileline(), vrefp});
if (m_varResetp) {
const auto vrefp = new AstVarRef{nodep->fileline(), nodep, VAccess::WRITE};
m_varResetp->add(new AstCReset{nodep->fileline(), vrefp});
} else if (m_cfuncp) {
const auto vrefp = new AstVarRef{nodep->fileline(), nodep, VAccess::WRITE};
nodep->addNextHere(new AstCReset{nodep->fileline(), vrefp});
}
}
}