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JIT: enable profile repairs of OSR entry block weight is zero #86011

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Merged
merged 1 commit into from
May 9, 2023
Merged

JIT: enable profile repairs of OSR entry block weight is zero #86011

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10 changes: 8 additions & 2 deletions src/coreclr/jit/fgprofile.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -3627,7 +3627,7 @@ void EfficientEdgeCountReconstructor::Propagate()
// for the OSR entry block.
//
// Arguments:
// block - block in question
// block - block in question (OSR entry)
// info - model info for the block
// nSucc - number of successors of the block in the flow graph
//
Expand Down Expand Up @@ -3666,7 +3666,13 @@ void EfficientEdgeCountReconstructor::PropagateOSREntryEdges(BasicBlock* block,
}

assert(nEdges == nSucc);
assert(info->m_weight > BB_ZERO_WEIGHT);

if (info->m_weight == BB_ZERO_WEIGHT)
{
JITDUMP("\nPropagate: OSR entry block weight is zero\n");
EntryWeightZero();
return;
}

// Transfer model edge weight onto the FlowEdges as likelihoods.
//
Expand Down