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[ARM64] - IsValidCompareChain should return false if both operands are not integral types #74853

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Merged
TIHan merged 4 commits into from
Sep 2, 2022
Merged

[ARM64] - IsValidCompareChain should return false if both operands are not integral types #74853

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f747a10
IsValidCompareChain should return 'false' if both operands are not in…
TIHan Aug 31, 2022
42d844e
Add integral type checks in ContainCheckCompareChain
TIHan Aug 31, 2022
9eaa8a1
Check if op is CMP or AND
TIHan Aug 31, 2022
a4aa7cb
feedback
TIHan Aug 31, 2022
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@TIHan
TIHan committed Aug 31, 2022
commit a4aa7cb65151dd5831866075789201c9385a6733
6 changes: 3 additions & 3 deletions src/coreclr/jit/lowerarmarch.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2122,8 +2122,7 @@ bool Lowering::ContainCheckCompareChain(GenTree* child, GenTree* parent, GenTree
return true;
}
// Can the child be contained.
else if (IsSafeToContainMem(parent, child) && (child->OperIs(GT_AND) || child->OperIsCmpCompare()) &&
varTypeIsIntegral(child->gtGetOp1()) && varTypeIsIntegral(child->gtGetOp2()))
else if (IsSafeToContainMem(parent, child))
{
if (child->OperIs(GT_AND))
{
Expand All @@ -2150,7 +2149,8 @@ bool Lowering::ContainCheckCompareChain(GenTree* child, GenTree* parent, GenTree
child->SetContained();
return true;
}
else if (child->OperIsCmpCompare())
else if (child->OperIsCmpCompare() && varTypeIsIntegral(child->gtGetOp1()) &&
varTypeIsIntegral(child->gtGetOp2()))
{
child->AsOp()->SetContained();

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