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Add error on randc inside dist

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This commit is contained in:
Wilson Snyder
2024-12-14 11:47:46 -05:00
parent 7886204690
commit 80b2fa3583
13 changed files with 95 additions and 35 deletions
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src/V3Randomize.cpp
-18
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@@ -131,8 +131,6 @@ class RandomizeMarkVisitor final : public VNVisitor {
BaseToDerivedMap m_baseToDerivedMap; // Mapping from base classes to classes that extend them
AstClass* m_classp = nullptr; // Current class
AstConstraintBefore* m_constraintBeforep = nullptr; // Current before constraint
AstConstraintExpr* m_constraintExprp = nullptr; // Current constraint expression
AstNode* m_constraintExprGenp = nullptr; // Current constraint or constraint if expression
AstNodeModule* m_modp; // Current module
AstNodeStmt* m_stmtp = nullptr; // Current statement
@@ -403,14 +401,7 @@ class RandomizeMarkVisitor final : public VNVisitor {
}
}
}
void visit(AstConstraintBefore* nodep) override {
VL_RESTORER(m_constraintBeforep);
m_constraintBeforep = nodep;
iterateChildrenConst(nodep);
}
void visit(AstConstraintExpr* nodep) override {
VL_RESTORER(m_constraintExprp);
m_constraintExprp = nodep;
VL_RESTORER(m_constraintExprGenp);
m_constraintExprGenp = nodep;
iterateChildrenConst(nodep);
@@ -425,15 +416,6 @@ class RandomizeMarkVisitor final : public VNVisitor {
iterateAndNextConstNull(nodep->elsesp());
}
void visit(AstNodeVarRef* nodep) override {
if (nodep->varp()->isRandC()) {
if (m_constraintExprp && m_constraintExprp->isSoft()) {
nodep->v3error(
"Randc variables not allowed in 'constraint soft' (IEEE 1800-2023 18.5.13.1)");
} else if (m_constraintBeforep) {
nodep->v3error(
"Randc variables not allowed in 'solve before' (IEEE 1800-2023 18.5.9)");
}
}
if (!m_constraintExprGenp) return;
if (nodep->varp()->lifetime().isStatic()) m_staticRefs.emplace(nodep);