1324 static FCmpInst::Predicate evaluateFCmpRelation(Constant *V1, Constant *V2) {  in evaluateFCmpRelation()
1329   if (V1 == V2) return FCmpInst::FCMP_OEQ;  in evaluateFCmpRelation()
1336                       ConstantExpr::getFCmp(FCmpInst::FCMP_OEQ, V1, V2));  in evaluateFCmpRelation()
1338         return FCmpInst::FCMP_OEQ;  in evaluateFCmpRelation()
1340                       ConstantExpr::getFCmp(FCmpInst::FCMP_OLT, V1, V2));  in evaluateFCmpRelation()
1342         return FCmpInst::FCMP_OLT;  in evaluateFCmpRelation()
1344                       ConstantExpr::getFCmp(FCmpInst::FCMP_OGT, V1, V2));  in evaluateFCmpRelation()
1346         return FCmpInst::FCMP_OGT;  in evaluateFCmpRelation()
1349       return FCmpInst::BAD_FCMP_PREDICATE;  in evaluateFCmpRelation()
1353     FCmpInst::Predicate SwappedRelation = evaluateFCmpRelation(V2, V1);  in evaluateFCmpRelation()
1354     if (SwappedRelation != FCmpInst::BAD_FCMP_PREDICATE)  in evaluateFCmpRelation()
1355       return FCmpInst::getSwappedPredicate(SwappedRelation);  in evaluateFCmpRelation()
1373   return FCmpInst::BAD_FCMP_PREDICATE;  in evaluateFCmpRelation()
1663   if (pred == FCmpInst::FCMP_FALSE)  in ConstantFoldCompareInstruction()
1666   if (pred == FCmpInst::FCMP_TRUE)  in ConstantFoldCompareInstruction()
1747     case FCmpInst::FCMP_FALSE: return Constant::getNullValue(ResultTy);  in ConstantFoldCompareInstruction()
1748     case FCmpInst::FCMP_TRUE:  return Constant::getAllOnesValue(ResultTy);  in ConstantFoldCompareInstruction()
1749     case FCmpInst::FCMP_UNO:  in ConstantFoldCompareInstruction()
1751     case FCmpInst::FCMP_ORD:  in ConstantFoldCompareInstruction()
1753     case FCmpInst::FCMP_UEQ:  in ConstantFoldCompareInstruction()
1756     case FCmpInst::FCMP_OEQ:     in ConstantFoldCompareInstruction()
1758     case FCmpInst::FCMP_UNE:  in ConstantFoldCompareInstruction()
1760     case FCmpInst::FCMP_ONE:     in ConstantFoldCompareInstruction()
1763     case FCmpInst::FCMP_ULT:   in ConstantFoldCompareInstruction()
1766     case FCmpInst::FCMP_OLT:     in ConstantFoldCompareInstruction()
1768     case FCmpInst::FCMP_UGT:  in ConstantFoldCompareInstruction()
1771     case FCmpInst::FCMP_OGT:  in ConstantFoldCompareInstruction()
1773     case FCmpInst::FCMP_ULE:  in ConstantFoldCompareInstruction()
1775     case FCmpInst::FCMP_OLE:   in ConstantFoldCompareInstruction()
1778     case FCmpInst::FCMP_UGE:  in ConstantFoldCompareInstruction()
1780     case FCmpInst::FCMP_OGE:   in ConstantFoldCompareInstruction()
1809     case FCmpInst::FCMP_UNO:  in ConstantFoldCompareInstruction()
1810     case FCmpInst::FCMP_ORD:  in ConstantFoldCompareInstruction()
1811     case FCmpInst::FCMP_UEQ:  in ConstantFoldCompareInstruction()
1812     case FCmpInst::FCMP_UNE:  in ConstantFoldCompareInstruction()
1813     case FCmpInst::FCMP_ULT:  in ConstantFoldCompareInstruction()
1814     case FCmpInst::FCMP_UGT:  in ConstantFoldCompareInstruction()
1815     case FCmpInst::FCMP_ULE:  in ConstantFoldCompareInstruction()
1816     case FCmpInst::FCMP_UGE:  in ConstantFoldCompareInstruction()
1817     case FCmpInst::FCMP_TRUE:  in ConstantFoldCompareInstruction()
1818     case FCmpInst::FCMP_FALSE:  in ConstantFoldCompareInstruction()
1819     case FCmpInst::BAD_FCMP_PREDICATE:  in ConstantFoldCompareInstruction()
1821     case FCmpInst::FCMP_OEQ: // We know that C1 == C2  in ConstantFoldCompareInstruction()
1822       Result = (pred == FCmpInst::FCMP_UEQ || pred == FCmpInst::FCMP_OEQ ||  in ConstantFoldCompareInstruction()
1823                 pred == FCmpInst::FCMP_ULE || pred == FCmpInst::FCMP_OLE ||  in ConstantFoldCompareInstruction()
1824                 pred == FCmpInst::FCMP_UGE || pred == FCmpInst::FCMP_OGE);  in ConstantFoldCompareInstruction()
1826     case FCmpInst::FCMP_OLT: // We know that C1 < C2  in ConstantFoldCompareInstruction()
1827       Result = (pred == FCmpInst::FCMP_UNE || pred == FCmpInst::FCMP_ONE ||  in ConstantFoldCompareInstruction()
1828                 pred == FCmpInst::FCMP_ULT || pred == FCmpInst::FCMP_OLT ||  in ConstantFoldCompareInstruction()
1829                 pred == FCmpInst::FCMP_ULE || pred == FCmpInst::FCMP_OLE);  in ConstantFoldCompareInstruction()
1831     case FCmpInst::FCMP_OGT: // We know that C1 > C2  in ConstantFoldCompareInstruction()
1832       Result = (pred == FCmpInst::FCMP_UNE || pred == FCmpInst::FCMP_ONE ||  in ConstantFoldCompareInstruction()
1833                 pred == FCmpInst::FCMP_UGT || pred == FCmpInst::FCMP_OGT ||  in ConstantFoldCompareInstruction()
1834                 pred == FCmpInst::FCMP_UGE || pred == FCmpInst::FCMP_OGE);  in ConstantFoldCompareInstruction()
1836     case FCmpInst::FCMP_OLE: // We know that C1 <= C2  in ConstantFoldCompareInstruction()
1838       if (pred == FCmpInst::FCMP_UGT || pred == FCmpInst::FCMP_OGT)   in ConstantFoldCompareInstruction()
1840       else if (pred == FCmpInst::FCMP_ULT || pred == FCmpInst::FCMP_OLT)   in ConstantFoldCompareInstruction()
1843     case FCmpInst::FCMP_OGE: // We known that C1 >= C2  in ConstantFoldCompareInstruction()
1845       if (pred == FCmpInst::FCMP_ULT || pred == FCmpInst::FCMP_OLT)   in ConstantFoldCompareInstruction()
1847       else if (pred == FCmpInst::FCMP_UGT || pred == FCmpInst::FCMP_OGT)   in ConstantFoldCompareInstruction()
1850     case FCmpInst::FCMP_ONE: // We know that C1 != C2  in ConstantFoldCompareInstruction()
1852       if (pred == FCmpInst::FCMP_OEQ || pred == FCmpInst::FCMP_UEQ)   in ConstantFoldCompareInstruction()
1854       else if (pred == FCmpInst::FCMP_ONE || pred == FCmpInst::FCMP_UNE)   in ConstantFoldCompareInstruction()