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Try some relaxed interference checks #81892

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Try some relaxed interference checks #81892

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14 changes: 8 additions & 6 deletions src/coreclr/jit/sideeffects.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -280,15 +280,17 @@ void AliasSet::AddNode(Compiler* compiler, GenTree* node)
// First, add all lclVar uses associated with the node to the set. This is necessary because the lclVar reads occur
// at the position of the user, not at the position of the GenTreeLclVar node.
node->VisitOperands([compiler, this](GenTree* operand) -> GenTree::VisitResult {
if (operand->OperIsLocalRead())
if (operand->OperIs(GT_LCL_VAR))
{
const unsigned lclNum = operand->AsLclVarCommon()->GetLclNum();
if (compiler->lvaTable[lclNum].IsAddressExposed())
unsigned lclNum = operand->AsLclVarCommon()->GetLclNum();
LclVarDsc* dsc = compiler->lvaGetDesc(operand->AsLclVarCommon());

// GT_LCL_VAR is special in that if they can be enregistered, then
// their uses might move to the user's location.
if (!dsc->lvDoNotEnregister)
{
m_readsAddressableLocation = true;
m_lclVarReads.Add(compiler, lclNum);
}

m_lclVarReads.Add(compiler, lclNum);
}
if (operand->isContained())
{
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