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Do not create unnecessary DPI AstSenTrees 

No functional change
This commit is contained in:
Geza Lore 2023-04-13 14:01:16 +01:00
parent 37e7b5dfc7
commit 23f90b13f3
1 changed files with 9 additions and 3 deletions
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12
src/V3Sched.cpp
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@ -355,6 +355,7 @@ struct EvalKit {
// Create an AstSenTree that is sensitive to the given trigger index. Must not exist yet!
AstSenTree* createTriggerSenTree(AstNetlist* netlistp, AstVarScope* const vscp, uint32_t index) {
UASSERT_OBJ(index != std::numeric_limits<unsigned>::max(), netlistp, "Invalid trigger index");
AstTopScope* const topScopep = netlistp->topScopep();
FileLine* const flp = topScopep->fileline();
AstVarRef* const vrefp = new AstVarRef{flp, vscp, VAccess::READ};
@ -752,7 +753,8 @@ AstNode* createInputCombLoop(AstNetlist* netlistp, AstCFunc* const initFuncp,
// The DPI Export trigger
AstSenTree* const dpiExportTriggered
= createTriggerSenTree(netlistp, trig.m_vscp, dpiExportTriggerIndex);
= dpiExportTriggerVscp ? createTriggerSenTree(netlistp, trig.m_vscp, dpiExportTriggerIndex)
: nullptr;
// Create and Order the body function
AstCFunc* const icoFuncp
@ -1112,7 +1114,9 @@ void schedule(AstNetlist* netlistp) {
// The DPI Export trigger AstSenTree
AstSenTree* const dpiExportTriggeredAct
= createTriggerSenTree(netlistp, actTrig.m_vscp, dpiExportTriggerIndex);
= dpiExportTriggerVscp
? createTriggerSenTree(netlistp, actTrig.m_vscp, dpiExportTriggerIndex)
: nullptr;
AstCFunc* const actFuncp = V3Order::order(
netlistp, {&logicRegions.m_pre, &logicRegions.m_act, &logicReplicas.m_act}, trigToSenAct,
@ -1140,7 +1144,9 @@ void schedule(AstNetlist* netlistp) {
invertAndMergeSenTreeMap(trigToSen, trigMap);
AstSenTree* const dpiExportTriggered
= createTriggerSenTree(netlistp, trigVscp, dpiExportTriggerIndex);
= dpiExportTriggerVscp
? createTriggerSenTree(netlistp, trigVscp, dpiExportTriggerIndex)
: nullptr;
const auto& timingDomains = timingKit.remapDomains(trigMap);
AstCFunc* const funcp = V3Order::order(