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Internals: Refactor disable process queue plumbing (#7919)

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This commit is contained in:
Marco Bartoli
2026-07-13 21:25:35 -04:00
committed by GitHub
parent e24efae5a0
commit 3afb7e1a21
5 changed files with 61 additions and 57 deletions
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src/V3Fork.cpp
+1 -11
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@@ -593,22 +593,12 @@ class ForkVisitor final : public VNVisitor {
const AstConst* const constp = VN_CAST(delayp->lhsp(), Const);
return constp && (constp->toUQuad() == std::numeric_limits<uint64_t>::max());
}
static bool isDisableQueuePushSelfStmt(const AstNode* const nodep) {
// Detect LinkJump-generated registration:
// __VprocessQueue_*.push_back(std::process::self())
const AstStmtExpr* const stmtExprp = VN_CAST(nodep, StmtExpr);
if (!stmtExprp) return false;
const AstCMethodHard* const methodp = VN_CAST(stmtExprp->exprp(), CMethodHard);
if (!methodp || methodp->name() != "push_back") return false;
const AstVarRef* const queueRefp = VN_CAST(methodp->fromp(), VarRef);
return queueRefp && queueRefp->varp()->processQueue();
}
static void moveForkSentinelAfterDisableQueuePushes(AstBegin* const beginp) {
AstNode* const firstStmtp = beginp->stmtsp();
if (!isForkJoinNoneSentinelDelay(firstStmtp)) return;
AstNode* insertBeforep = firstStmtp->nextp();
while (insertBeforep && isDisableQueuePushSelfStmt(insertBeforep)) {
while (insertBeforep && insertBeforep->isDisableQueuePushSelfStmt()) {
insertBeforep = insertBeforep->nextp();
}
if (insertBeforep == firstStmtp->nextp()) return;