738     if (ConstantFP *CF = dyn_cast<ConstantFP>(opr0)) {  in TDOFold()  local
740         if (CF->isExactlyValue(tr[i].input)) {  in TDOFold()
741           Value *nval = ConstantFP::get(CF->getType(), tr[i].result);  in TDOFold()
757   if (ConstantFP *CF = dyn_cast<ConstantFP>(opr0)) {  in fold_recip()  local
761     Value *nval = B.CreateFDiv(ConstantFP::get(CF->getType(), 1.0),  in fold_recip()
810   ConstantFP *CF;  in fold_pow()  local
820     CF = dyn_cast<ConstantFP>(opr1);  in fold_pow()
829     CF = CDV ? dyn_cast_or_null<ConstantFP>(CDV->getSplatValue()) : nullptr;  in fold_pow()
834   if (!isUnsafeMath(CI) && !CF && !CINT && !CZero)  in fold_pow()
840   if ((CF && CF->isZero()) || (CINT && ci_opr1 == 0) || CZero) {  in fold_pow()
850   if ((CF && CF->isExactlyValue(1.0)) || (CINT && ci_opr1 == 1)) {  in fold_pow()
856   if ((CF && CF->isExactlyValue(2.0)) || (CINT && ci_opr1 == 2)) {  in fold_pow()
864   if ((CF && CF->isExactlyValue(-1.0)) || (CINT && ci_opr1 == -1)) {  in fold_pow()
877   if (CF && (CF->isExactlyValue(0.5) || CF->isExactlyValue(-0.5))) {  in fold_pow()
879     bool issqrt = CF->isExactlyValue(0.5);  in fold_pow()
899   if (CF) {  in fold_pow()
901                     ? (double)CF->getValueAPF().convertToFloat()  in fold_pow()
902                     : CF->getValueAPF().convertToDouble();  in fold_pow()
960     CF = dyn_cast<ConstantFP>(opr0);  in fold_pow()
962     if (CF) {  in fold_pow()
964                    ? (double)CF->getValueAPF().convertToFloat()  in fold_pow()
965                    : CF->getValueAPF().convertToDouble();  in fold_pow()
970                      CF->isNegative();  in fold_pow()
974                                (!CF || CF->isNegative());  in fold_pow()
1013       if (const ConstantFP *CF = dyn_cast<ConstantFP>(opr1)) {  in fold_pow()  local
1015                    ? (double)CF->getValueAPF().convertToFloat()  in fold_pow()
1016                    : CF->getValueAPF().convertToDouble();  in fold_pow()
1171   if (ConstantFP *CF = dyn_cast<ConstantFP>(opr2)) {  in fold_fma_mad()  local
1172     if (CF->isZero()) {  in fold_fma_mad()