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Fix queue poping wrong value when otherwise unused (#2512).

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This commit is contained in:
Wilson Snyder
2020-11-07 10:37:55 -05:00
parent 7c4259bc0a
commit 2a24bb4759
29 changed files with 164 additions and 86 deletions
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src/V3Delayed.cpp
+3 -2
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@@ -410,10 +410,11 @@ private:
virtual void visit(AstVarRef* nodep) override {
if (!nodep->user2Inc()) { // Not done yet
if (m_inDly && nodep->access().isWrite()) {
if (m_inDly && nodep->access().isWriteOrRW()) {
UINFO(4, "AssignDlyVar: " << nodep << endl);
markVarUsage(nodep->varScopep(), VU_DLY);
UASSERT_OBJ(m_activep, nodep, "<= not under sensitivity block");
UASSERT_OBJ(!nodep->access().isRW(), nodep, "<= on read+write method");
if (!m_activep->hasClocked()) {
nodep->v3error("Internal: Blocking <= assignment in non-clocked block, should "
"have converted in V3Active");
@@ -458,7 +459,7 @@ private:
newrefp->user2(true); // No reason to do it again
nodep->replaceWith(newrefp);
VL_DO_DANGLING(nodep->deleteTree(), nodep);
} else if (!m_inDly && nodep->access().isWrite()) {
} else if (!m_inDly && nodep->access().isWriteOrRW()) {
// UINFO(9, "NBA " << nodep << endl);
if (!m_inInitial) {
UINFO(4, "AssignNDlyVar: " << nodep << endl);