291 constexpr LLT F64 = LLT::float64();  variable
1709     .legalFor({{F32, LocalPtr}, {F64, LocalPtr}});  in AMDGPULegalizerInfo()
1714     AtomicFMinFMax.legalFor({{F64, GlobalPtr}, {F64, BufferFatPtr}});  in AMDGPULegalizerInfo()
1718     AtomicFMinFMax.legalFor({F64, FlatPtr});  in AMDGPULegalizerInfo()
3839   const LLT F64 = LLT::float64();  in legalizeFFloor()  local
3843   assert(ST.hasFractBug() && MRI.getType(Dst) == F64 &&  in legalizeFFloor()
3854   auto Fract = B.buildIntrinsic(Intrinsic::amdgcn_fract, {F64})  in legalizeFFloor()
3866       B.buildFConstant(F64, llvm::bit_cast<double>(0x3fefffffffffffff));  in legalizeFFloor()
3868   Register Min = MRI.createGenericVirtualRegister(F64);  in legalizeFFloor()
3881     CorrectedFract = B.buildSelect(F64, IsNan, ModSrc, Min, Flags).getReg(0);  in legalizeFFloor()
3884   auto NegFract = B.buildFNeg(F64, CorrectedFract, Flags);  in legalizeFFloor()
5380   const LLT F64 = LLT::scalar(64);  in legalizeFSQRTF64()  local
5383   assert(MRI.getType(Dst) == F64 && "only expect to lower f64 sqrt");  in legalizeFSQRTF64()
5388   auto ScaleConstant = B.buildFConstant(F64, 0x1.0p-767);  in legalizeFSQRTF64()
5396   auto SqrtX = B.buildFLdexp(F64, X, ScaleUp, Flags);  in legalizeFSQRTF64()
5399       B.buildIntrinsic(Intrinsic::amdgcn_rsq, {F64}).addReg(SqrtX.getReg(0));  in legalizeFSQRTF64()
5401   auto Half = B.buildFConstant(F64, 0.5);  in legalizeFSQRTF64()
5402   auto SqrtH0 = B.buildFMul(F64, SqrtY, Half);  in legalizeFSQRTF64()
5403   auto SqrtS0 = B.buildFMul(F64, SqrtX, SqrtY);  in legalizeFSQRTF64()
5405   auto NegSqrtH0 = B.buildFNeg(F64, SqrtH0);  in legalizeFSQRTF64()
5406   auto SqrtR0 = B.buildFMA(F64, NegSqrtH0, SqrtS0, Half);  in legalizeFSQRTF64()
5408   auto SqrtS1 = B.buildFMA(F64, SqrtS0, SqrtR0, SqrtS0);  in legalizeFSQRTF64()
5409   auto SqrtH1 = B.buildFMA(F64, SqrtH0, SqrtR0, SqrtH0);  in legalizeFSQRTF64()
5411   auto NegSqrtS1 = B.buildFNeg(F64, SqrtS1);  in legalizeFSQRTF64()
5412   auto SqrtD0 = B.buildFMA(F64, NegSqrtS1, SqrtS1, SqrtX);  in legalizeFSQRTF64()
5414   auto SqrtS2 = B.buildFMA(F64, SqrtD0, SqrtH1, SqrtS1);  in legalizeFSQRTF64()
5416   auto NegSqrtS2 = B.buildFNeg(F64, SqrtS2);  in legalizeFSQRTF64()
5417   auto SqrtD1 = B.buildFMA(F64, NegSqrtS2, SqrtS2, SqrtX);  in legalizeFSQRTF64()
5419   auto SqrtRet = B.buildFMA(F64, SqrtD1, SqrtH1, SqrtS2);  in legalizeFSQRTF64()
5424   SqrtRet = B.buildFLdexp(F64, SqrtRet, ScaleDown, Flags);  in legalizeFSQRTF64()