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Fix break under foreach loop (#3230).

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Internals: Move Foreach handling into V3Width.
This commit is contained in:
Wilson Snyder
2021-12-11 15:06:33 -05:00
parent 00ef0519f5
commit 984ee624ed
14 changed files with 315 additions and 80 deletions
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src/V3Dead.cpp
+9
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@@ -83,6 +83,7 @@ private:
// STATE
AstNodeModule* m_modp = nullptr; // Current module
AstSelLoopVars* m_selloopvarsp = nullptr; // Current loop vars
// List of all encountered to avoid another loop through tree
std::vector<AstVar*> m_varsp;
std::vector<AstNode*> m_dtypesp;
@@ -249,6 +250,13 @@ private:
}
checkAll(nodep);
}
virtual void visit(AstSelLoopVars* nodep) override {
// Var under a SelLoopVars means we haven't called V3Width to remove them yet
VL_RESTORER(m_selloopvarsp);
m_selloopvarsp = nodep;
iterateChildren(nodep);
checkAll(nodep);
}
virtual void visit(AstTypedef* nodep) override {
iterateChildren(nodep);
if (m_elimCells && !nodep->attrPublic()) {
@@ -270,6 +278,7 @@ private:
iterateChildren(nodep);
checkAll(nodep);
if (nodep->isSigPublic() && m_modp && VN_IS(m_modp, Package)) m_modp->user1Inc();
if (m_selloopvarsp) nodep->user1Inc();
if (mightElimVar(nodep)) m_varsp.push_back(nodep);
}
virtual void visit(AstNodeAssign* nodep) override {