3685   const LLT F64 = LLT::float64();  in legalizeFFloor()  local
3689   assert(ST.hasFractBug() && MRI.getType(Dst) == F64 &&  in legalizeFFloor()
3700   auto Fract = B.buildIntrinsic(Intrinsic::amdgcn_fract, {F64})  in legalizeFFloor()
3712       B.buildFConstant(F64, llvm::bit_cast<double>(0x3fefffffffffffff));  in legalizeFFloor()
3714   Register Min = MRI.createGenericVirtualRegister(F64);  in legalizeFFloor()
3727     CorrectedFract = B.buildSelect(F64, IsNan, ModSrc, Min, Flags).getReg(0);  in legalizeFFloor()
3730   auto NegFract = B.buildFNeg(F64, CorrectedFract, Flags);  in legalizeFFloor()
5183   const LLT F64 = LLT::scalar(64);  in legalizeFSQRTF64()  local
5186   assert(MRI.getType(Dst) == F64 && "only expect to lower f64 sqrt");  in legalizeFSQRTF64()
5191   auto ScaleConstant = B.buildFConstant(F64, 0x1.0p-767);  in legalizeFSQRTF64()
5199   auto SqrtX = B.buildFLdexp(F64, X, ScaleUp, Flags);  in legalizeFSQRTF64()
5202       B.buildIntrinsic(Intrinsic::amdgcn_rsq, {F64}).addReg(SqrtX.getReg(0));  in legalizeFSQRTF64()
5204   auto Half = B.buildFConstant(F64, 0.5);  in legalizeFSQRTF64()
5205   auto SqrtH0 = B.buildFMul(F64, SqrtY, Half);  in legalizeFSQRTF64()
5206   auto SqrtS0 = B.buildFMul(F64, SqrtX, SqrtY);  in legalizeFSQRTF64()
5208   auto NegSqrtH0 = B.buildFNeg(F64, SqrtH0);  in legalizeFSQRTF64()
5209   auto SqrtR0 = B.buildFMA(F64, NegSqrtH0, SqrtS0, Half);  in legalizeFSQRTF64()
5211   auto SqrtS1 = B.buildFMA(F64, SqrtS0, SqrtR0, SqrtS0);  in legalizeFSQRTF64()
5212   auto SqrtH1 = B.buildFMA(F64, SqrtH0, SqrtR0, SqrtH0);  in legalizeFSQRTF64()
5214   auto NegSqrtS1 = B.buildFNeg(F64, SqrtS1);  in legalizeFSQRTF64()
5215   auto SqrtD0 = B.buildFMA(F64, NegSqrtS1, SqrtS1, SqrtX);  in legalizeFSQRTF64()
5217   auto SqrtS2 = B.buildFMA(F64, SqrtD0, SqrtH1, SqrtS1);  in legalizeFSQRTF64()
5219   auto NegSqrtS2 = B.buildFNeg(F64, SqrtS2);  in legalizeFSQRTF64()
5220   auto SqrtD1 = B.buildFMA(F64, NegSqrtS2, SqrtS2, SqrtX);  in legalizeFSQRTF64()
5222   auto SqrtRet = B.buildFMA(F64, SqrtD1, SqrtH1, SqrtS2);  in legalizeFSQRTF64()
5227   SqrtRet = B.buildFLdexp(F64, SqrtRet, ScaleDown, Flags);  in legalizeFSQRTF64()