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[test] JIT: add assertions for bitwise and to assertionprop #120957

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[test] JIT: add assertions for bitwise and to assertionprop #120957

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0f5318e
Add range assertion in assertionprop for special case of bitwise and …
adamperlin Oct 21, 2025
2c0268a
Merge branch 'main' of github.com:dotnet/runtime into adamperlin/opti…
adamperlin Oct 21, 2025
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10 changes: 10 additions & 0 deletions src/coreclr/jit/assertionprop.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -156,6 +156,16 @@ bool IntegralRange::Contains(int64_t value) const
case GT_GT:
return {SymbolicIntegerValue::Zero, SymbolicIntegerValue::One};

case GT_AND:
IntegralRange leftRange = IntegralRange::ForNode(node->gtGetOp1(), compiler);
IntegralRange rightRange = IntegralRange::ForNode(node->gtGetOp2(), compiler);
if (leftRange.Equals({SymbolicIntegerValue::Zero, SymbolicIntegerValue::One}) ||
rightRange.Equals({SymbolicIntegerValue::Zero, SymbolicIntegerValue::One}))
{
return {SymbolicIntegerValue::Zero, SymbolicIntegerValue::One};
}
break;

case GT_ARR_LENGTH:
case GT_MDARR_LENGTH:
return {SymbolicIntegerValue::Zero, SymbolicIntegerValue::ArrayLenMax};
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