Transforms/InstCombine/InstCombineAndOrXor.cpp

1141   std::optional<IntPart> L0 = GetMatchPart(Cmp0, 0);
1145   if (!L0 || !R0 || !L1 || !R1)
1150   if (L0->From != L1->From || R0->From != R1->From) {
1151     if (L0->From != R1->From || R0->From != L1->From)
1156   // Make sure the extracted parts are adjacent, canonicalizing to L0/R0 being
1158   if (L0->StartBit + L0->NumBits != L1->StartBit ||
1160     if (L1->StartBit + L1->NumBits != L0->StartBit ||
1163     std::swap(L0, L1);
1168   IntPart L = {L0->From, L0->StartBit, L0->NumBits + L1->NumBits};