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Merged
phate merged 3 commits into from
Oct 7, 2026
Merged

MSE: add node statistics #1946

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MSE: add node statistics
phate Oct 7, 2026
9bf30f8
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phate Oct 7, 2026
8ac0b87
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phate Oct 7, 2026
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58 changes: 44 additions & 14 deletions jlm/llvm/opt/alias-analyses/MemoryStateEncoder.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -179,6 +179,19 @@ struct MemoryStateEncoder::MemoryStateTypeCounters final
MemoryStateTypeCounter loadCounter;
MemoryStateTypeCounter storeCounter;
MemoryStateTypeCounter callEntryMergeCounter;

size_t numAllocaNodes = 0;
size_t numMallocNodes = 0;
size_t numLoadNodes = 0;
size_t numStoreNodes = 0;
size_t numCallNodes = 0;
size_t numFreeNodes = 0;
size_t numMemCpyNodes = 0;
size_t numMemSetNodes = 0;
size_t numMemMoveNodes = 0;
size_t numGammaNodes = 0;
size_t numThetaNodes = 0;
size_t numLambdaNodes = 0;
};

/** \brief Statistics class for memory state encoder encoding
Expand Down Expand Up @@ -261,14 +274,25 @@ class MemoryStateEncoder::Statistics final : public util::Statistics
AddMeasurement(NumIntraProceduralRegions_, counters.interProceduralRegionCounter.NumEntities);
AddMemoryStateTypeCounter(RegionArgumentStateSuffix_, counters.interProceduralRegionCounter);

AddMeasurement(NumLoadOperations_, counters.loadCounter.NumEntities);
AddMemoryStateTypeCounter(LoadStateSuffix_, counters.loadCounter);

AddMeasurement(NumStoreOperations_, counters.storeCounter.NumEntities);
AddMemoryStateTypeCounter(StoreStateSuffix_, counters.storeCounter);

AddMeasurement(NumCallEntryMergeOperations_, counters.callEntryMergeCounter.NumEntities);
AddMemoryStateTypeCounter(CallEntryMergeStateSuffix_, counters.callEntryMergeCounter);

AddMeasurement("#MSEAllocaNodes", counters.numAllocaNodes);
AddMeasurement("#MSEMallocNodes", counters.numMallocNodes);
AddMeasurement("#MSELoadNodes", counters.numLoadNodes);
AddMeasurement("#MSEStoreNodes", counters.numStoreNodes);
AddMeasurement("#MSECallNodes", counters.numCallNodes);
AddMeasurement("#MSEFreeNodes", counters.numFreeNodes);
AddMeasurement("#MSEMemCpyNodes", counters.numMemCpyNodes);
AddMeasurement("#MSEMemSetNodes", counters.numMemSetNodes);
AddMeasurement("#MSEMemMoveNodes", counters.numMemMoveNodes);
AddMeasurement("#MSEGammaNodes", counters.numGammaNodes);
AddMeasurement("#MSEThetaNodes", counters.numThetaNodes);
AddMeasurement("#MSELambdaNodes", counters.numLambdaNodes);
}

static std::unique_ptr<Statistics>
Expand Down Expand Up @@ -581,6 +605,7 @@ MemoryStateEncoder::gatherStatistics(const rvsdg::Region & region) const
counters.interProceduralRegionCounter.CountEntity(
modRefSummary.GetPointsToGraph(),
modRefSet);
counters.numLambdaNodes++;
gather(*lambdaNode.subregion(), modRefSummary, counters);
},
[&](const rvsdg::ThetaNode & thetaNode)
Expand All @@ -589,6 +614,7 @@ MemoryStateEncoder::gatherStatistics(const rvsdg::Region & region) const
counters.interProceduralRegionCounter.CountEntity(
modRefSummary.GetPointsToGraph(),
modRefSet);
counters.numThetaNodes++;
gather(*thetaNode.subregion(), modRefSummary, counters);
},
[&](const rvsdg::GammaNode & gammaNode)
Expand All @@ -599,53 +625,57 @@ MemoryStateEncoder::gatherStatistics(const rvsdg::Region & region) const
counters.interProceduralRegionCounter.CountEntity(
modRefSummary.GetPointsToGraph(),
modRefSet);
counters.numGammaNodes++;
gather(subregion, modRefSummary, counters);
}
},
[&modRefSummary, &counters](const rvsdg::SimpleNode & simpleNode)
{
MatchTypeWithDefault(
simpleNode.GetOperation(),
[](const AllocaOperation &)
[&counters](const AllocaOperation &)
{
// Nothing needs to be done
counters.numAllocaNodes++;
},
[](const MallocOperation &)
[&counters](const MallocOperation &)
{
// Nothing needs to be done
counters.numMallocNodes++;
},
[&modRefSummary, &counters, &simpleNode](const LoadOperation &)
{
const auto & modRefSet = modRefSummary.GetSimpleNodeModRef(simpleNode);
counters.loadCounter.CountEntity(modRefSummary.GetPointsToGraph(), modRefSet);
counters.numLoadNodes++;
},
[&modRefSummary, &counters, &simpleNode](const StoreOperation &)
{
const auto & modRefSet = modRefSummary.GetSimpleNodeModRef(simpleNode);
counters.storeCounter.CountEntity(modRefSummary.GetPointsToGraph(), modRefSet);
counters.numStoreNodes++;
},
[&modRefSummary, &counters, &simpleNode](const CallOperation &)
{
const auto & memoryNodes = modRefSummary.GetSimpleNodeModRef(simpleNode);
counters.callEntryMergeCounter.CountEntity(
modRefSummary.GetPointsToGraph(),
memoryNodes);
counters.numCallNodes++;
},
[](const FreeOperation &)
[&counters](const FreeOperation &)
{
// Nothing needs to be done
counters.numFreeNodes++;
},
[](const MemCpyOperation &)
[&counters](const MemCpyOperation &)
{
// Nothing needs to be done
counters.numMemCpyNodes++;
},
[](const MemSetOperation &)
[&counters](const MemSetOperation &)
{
// Nothing needs to be done
counters.numMemSetNodes++;
},
[](const MemMoveOperation &)
[&counters](const MemMoveOperation &)
{
// Nothing needs to be done
counters.numMemMoveNodes++;
},
[](const MemoryStateOperation &)
{
Expand Down
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