Transforms/InstCombine/InstCombineCompares.cpp

286   // FirstFalseElement/SecondFalseElement - Used to emit a comparison of the
288   int FirstFalseElement = Undefined, SecondFalseElement = Undefined;
359       if (FirstFalseElement == Undefined)
360         FirstFalseElement = FalseRangeEnd = i; // First false element.
428     if (FirstFalseElement == Undefined)
431     Value *FirstFalseIdx = ConstantInt::get(Idx->getType(), FirstFalseElement);
462     assert(FalseRangeEnd != FirstFalseElement && "Should emit single compare");
464     if (FirstFalseElement) {
465       Value *Offs = ConstantInt::get(Idx->getType(), -FirstFalseElement);
470                                   FalseRangeEnd-FirstFalseElement);