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Fix hierarchical with parametrized instances under hier block (#6572)

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This commit is contained in:
Geza Lore
2025-10-20 19:26:13 +01:00
parent ffd7ec1007
commit f73dde6dd9
3 changed files with 56 additions and 3 deletions
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src/V3HierBlock.cpp
+7 -3
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@@ -356,18 +356,22 @@ class HierBlockUsageCollectVisitor final : public VNVisitorConst {
if (modp->hierBlock()) m_childrenp.emplace_back(m_mod2vtx.at(modp));
}
void visit(AstVar* nodep) override {
if (m_modp && m_modp->hierBlock() && nodep->isIfaceRef() && !nodep->isIfaceParent()) {
if (!m_modp) return;
if (!m_modp->hierBlock()) return;
// Can't handle interface port on hier block
if (nodep->isIfaceRef() && !nodep->isIfaceParent()) {
nodep->v3error("Modport cannot be used at the hierarchical block boundary");
}
// Record overridden value parameter
// Record overridden value parameter of this hier block
if (nodep->isGParam() && nodep->overriddenParam()) {
UASSERT_OBJ(m_modp, nodep, "Value parameter not under module");
m_params.push_back(nodep);
}
}
void visit(AstParamTypeDType* nodep) override {
// Record type parameter
UASSERT_OBJ(m_modp, nodep, "Type parameter not under module");
if (!m_modp->hierBlock()) return;
// Record type parameter of this hier block
m_typeParams.push_back(nodep);
}