void NVPTXDAGToDAGISel::Select()

in llvm/lib/Target/NVPTX/NVPTXISelDAGToDAG.cpp [77:505]

• 425 lines of code
• 382 McCabe index (conditional complexity)

void NVPTXDAGToDAGISel::Select(SDNode *N) {

  if (N->isMachineOpcode()) {
    N->setNodeId(-1);
    return; // Already selected.
  }

  switch (N->getOpcode()) {
  case ISD::LOAD:
  case ISD::ATOMIC_LOAD:
    if (tryLoad(N))
      return;
    break;
  case ISD::STORE:
  case ISD::ATOMIC_STORE:
    if (tryStore(N))
      return;
    break;
  case ISD::EXTRACT_VECTOR_ELT:
    if (tryEXTRACT_VECTOR_ELEMENT(N))
      return;
    break;
  case NVPTXISD::SETP_F16X2:
    SelectSETP_F16X2(N);
    return;

  case NVPTXISD::LoadV2:
  case NVPTXISD::LoadV4:
    if (tryLoadVector(N))
      return;
    break;
  case NVPTXISD::LDGV2:
  case NVPTXISD::LDGV4:
  case NVPTXISD::LDUV2:
  case NVPTXISD::LDUV4:
    if (tryLDGLDU(N))
      return;
    break;
  case NVPTXISD::StoreV2:
  case NVPTXISD::StoreV4:
    if (tryStoreVector(N))
      return;
    break;
  case NVPTXISD::LoadParam:
  case NVPTXISD::LoadParamV2:
  case NVPTXISD::LoadParamV4:
    if (tryLoadParam(N))
      return;
    break;
  case NVPTXISD::StoreRetval:
  case NVPTXISD::StoreRetvalV2:
  case NVPTXISD::StoreRetvalV4:
    if (tryStoreRetval(N))
      return;
    break;
  case NVPTXISD::StoreParam:
  case NVPTXISD::StoreParamV2:
  case NVPTXISD::StoreParamV4:
  case NVPTXISD::StoreParamS32:
  case NVPTXISD::StoreParamU32:
    if (tryStoreParam(N))
      return;
    break;
  case ISD::INTRINSIC_WO_CHAIN:
    if (tryIntrinsicNoChain(N))
      return;
    break;
  case ISD::INTRINSIC_W_CHAIN:
    if (tryIntrinsicChain(N))
      return;
    break;
  case NVPTXISD::Tex1DFloatS32:
  case NVPTXISD::Tex1DFloatFloat:
  case NVPTXISD::Tex1DFloatFloatLevel:
  case NVPTXISD::Tex1DFloatFloatGrad:
  case NVPTXISD::Tex1DS32S32:
  case NVPTXISD::Tex1DS32Float:
  case NVPTXISD::Tex1DS32FloatLevel:
  case NVPTXISD::Tex1DS32FloatGrad:
  case NVPTXISD::Tex1DU32S32:
  case NVPTXISD::Tex1DU32Float:
  case NVPTXISD::Tex1DU32FloatLevel:
  case NVPTXISD::Tex1DU32FloatGrad:
  case NVPTXISD::Tex1DArrayFloatS32:
  case NVPTXISD::Tex1DArrayFloatFloat:
  case NVPTXISD::Tex1DArrayFloatFloatLevel:
  case NVPTXISD::Tex1DArrayFloatFloatGrad:
  case NVPTXISD::Tex1DArrayS32S32:
  case NVPTXISD::Tex1DArrayS32Float:
  case NVPTXISD::Tex1DArrayS32FloatLevel:
  case NVPTXISD::Tex1DArrayS32FloatGrad:
  case NVPTXISD::Tex1DArrayU32S32:
  case NVPTXISD::Tex1DArrayU32Float:
  case NVPTXISD::Tex1DArrayU32FloatLevel:
  case NVPTXISD::Tex1DArrayU32FloatGrad:
  case NVPTXISD::Tex2DFloatS32:
  case NVPTXISD::Tex2DFloatFloat:
  case NVPTXISD::Tex2DFloatFloatLevel:
  case NVPTXISD::Tex2DFloatFloatGrad:
  case NVPTXISD::Tex2DS32S32:
  case NVPTXISD::Tex2DS32Float:
  case NVPTXISD::Tex2DS32FloatLevel:
  case NVPTXISD::Tex2DS32FloatGrad:
  case NVPTXISD::Tex2DU32S32:
  case NVPTXISD::Tex2DU32Float:
  case NVPTXISD::Tex2DU32FloatLevel:
  case NVPTXISD::Tex2DU32FloatGrad:
  case NVPTXISD::Tex2DArrayFloatS32:
  case NVPTXISD::Tex2DArrayFloatFloat:
  case NVPTXISD::Tex2DArrayFloatFloatLevel:
  case NVPTXISD::Tex2DArrayFloatFloatGrad:
  case NVPTXISD::Tex2DArrayS32S32:
  case NVPTXISD::Tex2DArrayS32Float:
  case NVPTXISD::Tex2DArrayS32FloatLevel:
  case NVPTXISD::Tex2DArrayS32FloatGrad:
  case NVPTXISD::Tex2DArrayU32S32:
  case NVPTXISD::Tex2DArrayU32Float:
  case NVPTXISD::Tex2DArrayU32FloatLevel:
  case NVPTXISD::Tex2DArrayU32FloatGrad:
  case NVPTXISD::Tex3DFloatS32:
  case NVPTXISD::Tex3DFloatFloat:
  case NVPTXISD::Tex3DFloatFloatLevel:
  case NVPTXISD::Tex3DFloatFloatGrad:
  case NVPTXISD::Tex3DS32S32:
  case NVPTXISD::Tex3DS32Float:
  case NVPTXISD::Tex3DS32FloatLevel:
  case NVPTXISD::Tex3DS32FloatGrad:
  case NVPTXISD::Tex3DU32S32:
  case NVPTXISD::Tex3DU32Float:
  case NVPTXISD::Tex3DU32FloatLevel:
  case NVPTXISD::Tex3DU32FloatGrad:
  case NVPTXISD::TexCubeFloatFloat:
  case NVPTXISD::TexCubeFloatFloatLevel:
  case NVPTXISD::TexCubeS32Float:
  case NVPTXISD::TexCubeS32FloatLevel:
  case NVPTXISD::TexCubeU32Float:
  case NVPTXISD::TexCubeU32FloatLevel:
  case NVPTXISD::TexCubeArrayFloatFloat:
  case NVPTXISD::TexCubeArrayFloatFloatLevel:
  case NVPTXISD::TexCubeArrayS32Float:
  case NVPTXISD::TexCubeArrayS32FloatLevel:
  case NVPTXISD::TexCubeArrayU32Float:
  case NVPTXISD::TexCubeArrayU32FloatLevel:
  case NVPTXISD::Tld4R2DFloatFloat:
  case NVPTXISD::Tld4G2DFloatFloat:
  case NVPTXISD::Tld4B2DFloatFloat:
  case NVPTXISD::Tld4A2DFloatFloat:
  case NVPTXISD::Tld4R2DS64Float:
  case NVPTXISD::Tld4G2DS64Float:
  case NVPTXISD::Tld4B2DS64Float:
  case NVPTXISD::Tld4A2DS64Float:
  case NVPTXISD::Tld4R2DU64Float:
  case NVPTXISD::Tld4G2DU64Float:
  case NVPTXISD::Tld4B2DU64Float:
  case NVPTXISD::Tld4A2DU64Float:
  case NVPTXISD::TexUnified1DFloatS32:
  case NVPTXISD::TexUnified1DFloatFloat:
  case NVPTXISD::TexUnified1DFloatFloatLevel:
  case NVPTXISD::TexUnified1DFloatFloatGrad:
  case NVPTXISD::TexUnified1DS32S32:
  case NVPTXISD::TexUnified1DS32Float:
  case NVPTXISD::TexUnified1DS32FloatLevel:
  case NVPTXISD::TexUnified1DS32FloatGrad:
  case NVPTXISD::TexUnified1DU32S32:
  case NVPTXISD::TexUnified1DU32Float:
  case NVPTXISD::TexUnified1DU32FloatLevel:
  case NVPTXISD::TexUnified1DU32FloatGrad:
  case NVPTXISD::TexUnified1DArrayFloatS32:
  case NVPTXISD::TexUnified1DArrayFloatFloat:
  case NVPTXISD::TexUnified1DArrayFloatFloatLevel:
  case NVPTXISD::TexUnified1DArrayFloatFloatGrad:
  case NVPTXISD::TexUnified1DArrayS32S32:
  case NVPTXISD::TexUnified1DArrayS32Float:
  case NVPTXISD::TexUnified1DArrayS32FloatLevel:
  case NVPTXISD::TexUnified1DArrayS32FloatGrad:
  case NVPTXISD::TexUnified1DArrayU32S32:
  case NVPTXISD::TexUnified1DArrayU32Float:
  case NVPTXISD::TexUnified1DArrayU32FloatLevel:
  case NVPTXISD::TexUnified1DArrayU32FloatGrad:
  case NVPTXISD::TexUnified2DFloatS32:
  case NVPTXISD::TexUnified2DFloatFloat:
  case NVPTXISD::TexUnified2DFloatFloatLevel:
  case NVPTXISD::TexUnified2DFloatFloatGrad:
  case NVPTXISD::TexUnified2DS32S32:
  case NVPTXISD::TexUnified2DS32Float:
  case NVPTXISD::TexUnified2DS32FloatLevel:
  case NVPTXISD::TexUnified2DS32FloatGrad:
  case NVPTXISD::TexUnified2DU32S32:
  case NVPTXISD::TexUnified2DU32Float:
  case NVPTXISD::TexUnified2DU32FloatLevel:
  case NVPTXISD::TexUnified2DU32FloatGrad:
  case NVPTXISD::TexUnified2DArrayFloatS32:
  case NVPTXISD::TexUnified2DArrayFloatFloat:
  case NVPTXISD::TexUnified2DArrayFloatFloatLevel:
  case NVPTXISD::TexUnified2DArrayFloatFloatGrad:
  case NVPTXISD::TexUnified2DArrayS32S32:
  case NVPTXISD::TexUnified2DArrayS32Float:
  case NVPTXISD::TexUnified2DArrayS32FloatLevel:
  case NVPTXISD::TexUnified2DArrayS32FloatGrad:
  case NVPTXISD::TexUnified2DArrayU32S32:
  case NVPTXISD::TexUnified2DArrayU32Float:
  case NVPTXISD::TexUnified2DArrayU32FloatLevel:
  case NVPTXISD::TexUnified2DArrayU32FloatGrad:
  case NVPTXISD::TexUnified3DFloatS32:
  case NVPTXISD::TexUnified3DFloatFloat:
  case NVPTXISD::TexUnified3DFloatFloatLevel:
  case NVPTXISD::TexUnified3DFloatFloatGrad:
  case NVPTXISD::TexUnified3DS32S32:
  case NVPTXISD::TexUnified3DS32Float:
  case NVPTXISD::TexUnified3DS32FloatLevel:
  case NVPTXISD::TexUnified3DS32FloatGrad:
  case NVPTXISD::TexUnified3DU32S32:
  case NVPTXISD::TexUnified3DU32Float:
  case NVPTXISD::TexUnified3DU32FloatLevel:
  case NVPTXISD::TexUnified3DU32FloatGrad:
  case NVPTXISD::TexUnifiedCubeFloatFloat:
  case NVPTXISD::TexUnifiedCubeFloatFloatLevel:
  case NVPTXISD::TexUnifiedCubeS32Float:
  case NVPTXISD::TexUnifiedCubeS32FloatLevel:
  case NVPTXISD::TexUnifiedCubeU32Float:
  case NVPTXISD::TexUnifiedCubeU32FloatLevel:
  case NVPTXISD::TexUnifiedCubeArrayFloatFloat:
  case NVPTXISD::TexUnifiedCubeArrayFloatFloatLevel:
  case NVPTXISD::TexUnifiedCubeArrayS32Float:
  case NVPTXISD::TexUnifiedCubeArrayS32FloatLevel:
  case NVPTXISD::TexUnifiedCubeArrayU32Float:
  case NVPTXISD::TexUnifiedCubeArrayU32FloatLevel:
  case NVPTXISD::Tld4UnifiedR2DFloatFloat:
  case NVPTXISD::Tld4UnifiedG2DFloatFloat:
  case NVPTXISD::Tld4UnifiedB2DFloatFloat:
  case NVPTXISD::Tld4UnifiedA2DFloatFloat:
  case NVPTXISD::Tld4UnifiedR2DS64Float:
  case NVPTXISD::Tld4UnifiedG2DS64Float:
  case NVPTXISD::Tld4UnifiedB2DS64Float:
  case NVPTXISD::Tld4UnifiedA2DS64Float:
  case NVPTXISD::Tld4UnifiedR2DU64Float:
  case NVPTXISD::Tld4UnifiedG2DU64Float:
  case NVPTXISD::Tld4UnifiedB2DU64Float:
  case NVPTXISD::Tld4UnifiedA2DU64Float:
    if (tryTextureIntrinsic(N))
      return;
    break;
  case NVPTXISD::Suld1DI8Clamp:
  case NVPTXISD::Suld1DI16Clamp:
  case NVPTXISD::Suld1DI32Clamp:
  case NVPTXISD::Suld1DI64Clamp:
  case NVPTXISD::Suld1DV2I8Clamp:
  case NVPTXISD::Suld1DV2I16Clamp:
  case NVPTXISD::Suld1DV2I32Clamp:
  case NVPTXISD::Suld1DV2I64Clamp:
  case NVPTXISD::Suld1DV4I8Clamp:
  case NVPTXISD::Suld1DV4I16Clamp:
  case NVPTXISD::Suld1DV4I32Clamp:
  case NVPTXISD::Suld1DArrayI8Clamp:
  case NVPTXISD::Suld1DArrayI16Clamp:
  case NVPTXISD::Suld1DArrayI32Clamp:
  case NVPTXISD::Suld1DArrayI64Clamp:
  case NVPTXISD::Suld1DArrayV2I8Clamp:
  case NVPTXISD::Suld1DArrayV2I16Clamp:
  case NVPTXISD::Suld1DArrayV2I32Clamp:
  case NVPTXISD::Suld1DArrayV2I64Clamp:
  case NVPTXISD::Suld1DArrayV4I8Clamp:
  case NVPTXISD::Suld1DArrayV4I16Clamp:
  case NVPTXISD::Suld1DArrayV4I32Clamp:
  case NVPTXISD::Suld2DI8Clamp:
  case NVPTXISD::Suld2DI16Clamp:
  case NVPTXISD::Suld2DI32Clamp:
  case NVPTXISD::Suld2DI64Clamp:
  case NVPTXISD::Suld2DV2I8Clamp:
  case NVPTXISD::Suld2DV2I16Clamp:
  case NVPTXISD::Suld2DV2I32Clamp:
  case NVPTXISD::Suld2DV2I64Clamp:
  case NVPTXISD::Suld2DV4I8Clamp:
  case NVPTXISD::Suld2DV4I16Clamp:
  case NVPTXISD::Suld2DV4I32Clamp:
  case NVPTXISD::Suld2DArrayI8Clamp:
  case NVPTXISD::Suld2DArrayI16Clamp:
  case NVPTXISD::Suld2DArrayI32Clamp:
  case NVPTXISD::Suld2DArrayI64Clamp:
  case NVPTXISD::Suld2DArrayV2I8Clamp:
  case NVPTXISD::Suld2DArrayV2I16Clamp:
  case NVPTXISD::Suld2DArrayV2I32Clamp:
  case NVPTXISD::Suld2DArrayV2I64Clamp:
  case NVPTXISD::Suld2DArrayV4I8Clamp:
  case NVPTXISD::Suld2DArrayV4I16Clamp:
  case NVPTXISD::Suld2DArrayV4I32Clamp:
  case NVPTXISD::Suld3DI8Clamp:
  case NVPTXISD::Suld3DI16Clamp:
  case NVPTXISD::Suld3DI32Clamp:
  case NVPTXISD::Suld3DI64Clamp:
  case NVPTXISD::Suld3DV2I8Clamp:
  case NVPTXISD::Suld3DV2I16Clamp:
  case NVPTXISD::Suld3DV2I32Clamp:
  case NVPTXISD::Suld3DV2I64Clamp:
  case NVPTXISD::Suld3DV4I8Clamp:
  case NVPTXISD::Suld3DV4I16Clamp:
  case NVPTXISD::Suld3DV4I32Clamp:
  case NVPTXISD::Suld1DI8Trap:
  case NVPTXISD::Suld1DI16Trap:
  case NVPTXISD::Suld1DI32Trap:
  case NVPTXISD::Suld1DI64Trap:
  case NVPTXISD::Suld1DV2I8Trap:
  case NVPTXISD::Suld1DV2I16Trap:
  case NVPTXISD::Suld1DV2I32Trap:
  case NVPTXISD::Suld1DV2I64Trap:
  case NVPTXISD::Suld1DV4I8Trap:
  case NVPTXISD::Suld1DV4I16Trap:
  case NVPTXISD::Suld1DV4I32Trap:
  case NVPTXISD::Suld1DArrayI8Trap:
  case NVPTXISD::Suld1DArrayI16Trap:
  case NVPTXISD::Suld1DArrayI32Trap:
  case NVPTXISD::Suld1DArrayI64Trap:
  case NVPTXISD::Suld1DArrayV2I8Trap:
  case NVPTXISD::Suld1DArrayV2I16Trap:
  case NVPTXISD::Suld1DArrayV2I32Trap:
  case NVPTXISD::Suld1DArrayV2I64Trap:
  case NVPTXISD::Suld1DArrayV4I8Trap:
  case NVPTXISD::Suld1DArrayV4I16Trap:
  case NVPTXISD::Suld1DArrayV4I32Trap:
  case NVPTXISD::Suld2DI8Trap:
  case NVPTXISD::Suld2DI16Trap:
  case NVPTXISD::Suld2DI32Trap:
  case NVPTXISD::Suld2DI64Trap:
  case NVPTXISD::Suld2DV2I8Trap:
  case NVPTXISD::Suld2DV2I16Trap:
  case NVPTXISD::Suld2DV2I32Trap:
  case NVPTXISD::Suld2DV2I64Trap:
  case NVPTXISD::Suld2DV4I8Trap:
  case NVPTXISD::Suld2DV4I16Trap:
  case NVPTXISD::Suld2DV4I32Trap:
  case NVPTXISD::Suld2DArrayI8Trap:
  case NVPTXISD::Suld2DArrayI16Trap:
  case NVPTXISD::Suld2DArrayI32Trap:
  case NVPTXISD::Suld2DArrayI64Trap:
  case NVPTXISD::Suld2DArrayV2I8Trap:
  case NVPTXISD::Suld2DArrayV2I16Trap:
  case NVPTXISD::Suld2DArrayV2I32Trap:
  case NVPTXISD::Suld2DArrayV2I64Trap:
  case NVPTXISD::Suld2DArrayV4I8Trap:
  case NVPTXISD::Suld2DArrayV4I16Trap:
  case NVPTXISD::Suld2DArrayV4I32Trap:
  case NVPTXISD::Suld3DI8Trap:
  case NVPTXISD::Suld3DI16Trap:
  case NVPTXISD::Suld3DI32Trap:
  case NVPTXISD::Suld3DI64Trap:
  case NVPTXISD::Suld3DV2I8Trap:
  case NVPTXISD::Suld3DV2I16Trap:
  case NVPTXISD::Suld3DV2I32Trap:
  case NVPTXISD::Suld3DV2I64Trap:
  case NVPTXISD::Suld3DV4I8Trap:
  case NVPTXISD::Suld3DV4I16Trap:
  case NVPTXISD::Suld3DV4I32Trap:
  case NVPTXISD::Suld1DI8Zero:
  case NVPTXISD::Suld1DI16Zero:
  case NVPTXISD::Suld1DI32Zero:
  case NVPTXISD::Suld1DI64Zero:
  case NVPTXISD::Suld1DV2I8Zero:
  case NVPTXISD::Suld1DV2I16Zero:
  case NVPTXISD::Suld1DV2I32Zero:
  case NVPTXISD::Suld1DV2I64Zero:
  case NVPTXISD::Suld1DV4I8Zero:
  case NVPTXISD::Suld1DV4I16Zero:
  case NVPTXISD::Suld1DV4I32Zero:
  case NVPTXISD::Suld1DArrayI8Zero:
  case NVPTXISD::Suld1DArrayI16Zero:
  case NVPTXISD::Suld1DArrayI32Zero:
  case NVPTXISD::Suld1DArrayI64Zero:
  case NVPTXISD::Suld1DArrayV2I8Zero:
  case NVPTXISD::Suld1DArrayV2I16Zero:
  case NVPTXISD::Suld1DArrayV2I32Zero:
  case NVPTXISD::Suld1DArrayV2I64Zero:
  case NVPTXISD::Suld1DArrayV4I8Zero:
  case NVPTXISD::Suld1DArrayV4I16Zero:
  case NVPTXISD::Suld1DArrayV4I32Zero:
  case NVPTXISD::Suld2DI8Zero:
  case NVPTXISD::Suld2DI16Zero:
  case NVPTXISD::Suld2DI32Zero:
  case NVPTXISD::Suld2DI64Zero:
  case NVPTXISD::Suld2DV2I8Zero:
  case NVPTXISD::Suld2DV2I16Zero:
  case NVPTXISD::Suld2DV2I32Zero:
  case NVPTXISD::Suld2DV2I64Zero:
  case NVPTXISD::Suld2DV4I8Zero:
  case NVPTXISD::Suld2DV4I16Zero:
  case NVPTXISD::Suld2DV4I32Zero:
  case NVPTXISD::Suld2DArrayI8Zero:
  case NVPTXISD::Suld2DArrayI16Zero:
  case NVPTXISD::Suld2DArrayI32Zero:
  case NVPTXISD::Suld2DArrayI64Zero:
  case NVPTXISD::Suld2DArrayV2I8Zero:
  case NVPTXISD::Suld2DArrayV2I16Zero:
  case NVPTXISD::Suld2DArrayV2I32Zero:
  case NVPTXISD::Suld2DArrayV2I64Zero:
  case NVPTXISD::Suld2DArrayV4I8Zero:
  case NVPTXISD::Suld2DArrayV4I16Zero:
  case NVPTXISD::Suld2DArrayV4I32Zero:
  case NVPTXISD::Suld3DI8Zero:
  case NVPTXISD::Suld3DI16Zero:
  case NVPTXISD::Suld3DI32Zero:
  case NVPTXISD::Suld3DI64Zero:
  case NVPTXISD::Suld3DV2I8Zero:
  case NVPTXISD::Suld3DV2I16Zero:
  case NVPTXISD::Suld3DV2I32Zero:
  case NVPTXISD::Suld3DV2I64Zero:
  case NVPTXISD::Suld3DV4I8Zero:
  case NVPTXISD::Suld3DV4I16Zero:
  case NVPTXISD::Suld3DV4I32Zero:
    if (trySurfaceIntrinsic(N))
      return;
    break;
  case ISD::AND:
  case ISD::SRA:
  case ISD::SRL:
    // Try to select BFE
    if (tryBFE(N))
      return;
    break;
  case ISD::ADDRSPACECAST:
    SelectAddrSpaceCast(N);
    return;
  case ISD::ConstantFP:
    if (tryConstantFP16(N))
      return;
    break;
  default:
    break;
  }
  SelectCode(N);
}