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Fix range delays with parameter bounds (#7882)

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Signed-off-by: Artur Bieniek <[email protected]>
This commit is contained in:
Artur Bieniek
2026-07-06 13:13:11 -04:00
committed by GitHub
parent 8ed0acf1ec
commit a5f4d40901
3 changed files with 20 additions and 2 deletions
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src/V3Width.cpp
+11
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@@ -731,6 +731,17 @@ class WidthVisitor final : public VNVisitor {
iterateCheckBool(nodep, "default disable iff condition", nodep->condp(), BOTH);
}
void visit(AstDelay* nodep) override {
if (nodep->isCycleDelay() && m_underSExpr) {
// Fold parameterized SVA cycle-delay bounds
userIterateAndNext(nodep->lhsp(), WidthVP{SELF, BOTH}.p());
V3Const::constifyParamsNoWarnEdit(nodep->lhsp());
if (nodep->rhsp() && !nodep->isUnbounded()) {
// Fold parametrized SVA cycle-delay max bound
userIterateAndNext(nodep->rhsp(), WidthVP{SELF, BOTH}.p());
V3Const::constifyParamsNoWarnEdit(nodep->rhsp());
}
return;
}
if (AstNodeExpr* const fallDelayp = nodep->fallDelay()) {
iterateCheckDelay(nodep, "delay", nodep->lhsp(), BOTH);
iterateCheckDelay(nodep, "delay", fallDelayp, BOTH);