508       return unknown();  in compute()
526       return unknown(); // clueless  in compute()
533   return unknown();  in compute()
554     return unknown();  in visitAllocaInst()
564       return unknown();  in visitAllocaInst()
568     return Overflow ? unknown() : std::make_pair(align(Size, I.getAlignment()),  in visitAllocaInst()
571   return unknown();  in visitAllocaInst()
578     return unknown();  in visitArgument()
588     return unknown();  in visitCallSite()
594       return unknown();  in visitCallSite()
601         return unknown();  in visitCallSite()
612     return unknown();  in visitCallSite()
616     return unknown();  in visitCallSite()
624     return unknown();  in visitCallSite()
628     return unknown();  in visitCallSite()
632   return Overflow ? unknown() : std::make_pair(Size, Zero);  in visitCallSite()
653     return unknown();  in visitConstantPointerNull()
659   return unknown();  in visitExtractElementInst()
665   return unknown();  in visitExtractValueInst()
672     return unknown();  in visitGEPOperator()
679     return unknown();  in visitGlobalAlias()
685     return unknown();  in visitGlobalVariable()
693   return unknown();  in visitIntToPtrInst()
698   return unknown();  in visitLoadInst()
703   return unknown();  in visitPHINode()
731   return unknown();  in visitSelectInst()
741   return unknown();  in visitInstruction()
806     Result = unknown();  in compute_()
817     Result = unknown();  in compute_()
822     Result = unknown();  in compute_()
832     return unknown();  in visitAllocaInst()
846     return unknown();  in visitCallSite()
851     return unknown();  in visitCallSite()
875   return unknown();  in visitExtractElementInst()
880   return unknown();  in visitExtractValueInst()
887     return unknown();  in visitGEPOperator()
896   return unknown();  in visitIntToPtrInst()
900   return unknown();  in visitLoadInst()
921       return unknown();  in visitPHINode()
946     return unknown();  in visitSelectInst()
960   return unknown();  in visitInstruction()