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Fix nondeterminism in trace stage (#8046)

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Co-authored-by: Sumanth Kadiyala <[email protected]>
This commit is contained in:
Sumanth Kadiyala
2026-08-05 02:51:51 -04:00
committed by GitHub
co-authored by Sumanth Kadiyala
parent e6c613f28d
commit 472a131df7
2 changed files with 5 additions and 5 deletions
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docs/CONTRIBUTORS
+1
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@@ -294,6 +294,7 @@ Stuart Morris
sumpster sumpster
Szymon Gizler Szymon Gizler
Sören Tempel Sören Tempel
Sumanth Kadiyala
Teng Huang Teng Huang
Thomas Aldrian Thomas Aldrian
Thomas Brown Thomas Brown
src/V3Trace.cpp
+4 -5
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@@ -1146,8 +1146,8 @@ class TraceVisitor final : public VNVisitor {
} }
TraceCFuncVertex* getCFuncVertexp(AstCFunc* nodep) { TraceCFuncVertex* getCFuncVertexp(AstCFunc* nodep) {
TraceCFuncVertex* vertexp V3GraphVertex* const vtxp = nodep->user1u().toGraphVertex();
= nodep->user1() ? nodep->user1u().toGraphVertex()->cast<TraceCFuncVertex>() : nullptr; TraceCFuncVertex* vertexp = vtxp ? vtxp->cast<TraceCFuncVertex>() : nullptr;
if (!vertexp) { if (!vertexp) {
vertexp = new TraceCFuncVertex{&m_graph, nodep}; vertexp = new TraceCFuncVertex{&m_graph, nodep};
nodep->user1p(vertexp); nodep->user1p(vertexp);
@@ -1155,9 +1155,8 @@ class TraceVisitor final : public VNVisitor {
return vertexp; return vertexp;
} }
TraceActivityVertex* getActivityVertexp(AstNode* nodep, bool slow) { TraceActivityVertex* getActivityVertexp(AstNode* nodep, bool slow) {
TraceActivityVertex* vertexp V3GraphVertex* const vtxp = nodep->user3u().toGraphVertex();
= nodep->user3() ? nodep->user3u().toGraphVertex()->cast<TraceActivityVertex>() TraceActivityVertex* vertexp = vtxp ? vtxp->cast<TraceActivityVertex>() : nullptr;
: nullptr;
if (!vertexp) { if (!vertexp) {
vertexp = new TraceActivityVertex{&m_graph, nodep, slow}; vertexp = new TraceActivityVertex{&m_graph, nodep, slow};
nodep->user3p(vertexp); nodep->user3p(vertexp);