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JIT: Skip extra SPMI queries when we don't know the exact type #115637

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May 16, 2025
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JIT: Skip extra SPMI queries when we don't know the exact type #115637

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5 changes: 3 additions & 2 deletions src/coreclr/jit/importer.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -9936,9 +9936,10 @@ void Compiler::impImportBlockCode(BasicBlock* block)
impPushOnStack(gtNewLclvNode(lclNum, TYP_REF), tiRetVal);

#ifdef DEBUG
// Under SPMI, look up info we might ask for if we stack allocate this array
// Under SPMI, look up info we might ask for if we stack allocate this array,
// but only if we know the precise type
//
if (JitConfig.EnableExtraSuperPmiQueries())
if (JitConfig.EnableExtraSuperPmiQueries() && !eeIsSharedInst(resolvedToken.hClass))
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Copilot AI May 16, 2025

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Consider expanding the comment to clarify what qualifies as a 'precise type' and what constitutes a shared instance, to improve maintainability and clarity.

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{
void* pEmbedClsHnd;
info.compCompHnd->embedClassHandle(resolvedToken.hClass, &pEmbedClsHnd);
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