bool FlowGraphBuilder::IsRecognizedMethodForFlowGraph()

in runtime/vm/compiler/frontend/kernel_to_il.cc [794:938]

• 144 lines of code
• 130 McCabe index (conditional complexity)

bool FlowGraphBuilder::IsRecognizedMethodForFlowGraph(
    const Function& function) {
  const MethodRecognizer::Kind kind = function.recognized_kind();

  switch (kind) {
    case MethodRecognizer::kTypedData_ByteDataView_factory:
    case MethodRecognizer::kTypedData_Int8ArrayView_factory:
    case MethodRecognizer::kTypedData_Uint8ArrayView_factory:
    case MethodRecognizer::kTypedData_Uint8ClampedArrayView_factory:
    case MethodRecognizer::kTypedData_Int16ArrayView_factory:
    case MethodRecognizer::kTypedData_Uint16ArrayView_factory:
    case MethodRecognizer::kTypedData_Int32ArrayView_factory:
    case MethodRecognizer::kTypedData_Uint32ArrayView_factory:
    case MethodRecognizer::kTypedData_Int64ArrayView_factory:
    case MethodRecognizer::kTypedData_Uint64ArrayView_factory:
    case MethodRecognizer::kTypedData_Float32ArrayView_factory:
    case MethodRecognizer::kTypedData_Float64ArrayView_factory:
    case MethodRecognizer::kTypedData_Float32x4ArrayView_factory:
    case MethodRecognizer::kTypedData_Int32x4ArrayView_factory:
    case MethodRecognizer::kTypedData_Float64x2ArrayView_factory:
    case MethodRecognizer::kTypedData_Int8Array_factory:
    case MethodRecognizer::kTypedData_Uint8Array_factory:
    case MethodRecognizer::kTypedData_Uint8ClampedArray_factory:
    case MethodRecognizer::kTypedData_Int16Array_factory:
    case MethodRecognizer::kTypedData_Uint16Array_factory:
    case MethodRecognizer::kTypedData_Int32Array_factory:
    case MethodRecognizer::kTypedData_Uint32Array_factory:
    case MethodRecognizer::kTypedData_Int64Array_factory:
    case MethodRecognizer::kTypedData_Uint64Array_factory:
    case MethodRecognizer::kTypedData_Float32Array_factory:
    case MethodRecognizer::kTypedData_Float64Array_factory:
    case MethodRecognizer::kTypedData_Float32x4Array_factory:
    case MethodRecognizer::kTypedData_Int32x4Array_factory:
    case MethodRecognizer::kTypedData_Float64x2Array_factory:
    case MethodRecognizer::kFfiLoadInt8:
    case MethodRecognizer::kFfiLoadInt16:
    case MethodRecognizer::kFfiLoadInt32:
    case MethodRecognizer::kFfiLoadInt64:
    case MethodRecognizer::kFfiLoadUint8:
    case MethodRecognizer::kFfiLoadUint16:
    case MethodRecognizer::kFfiLoadUint32:
    case MethodRecognizer::kFfiLoadUint64:
    case MethodRecognizer::kFfiLoadFloat:
    case MethodRecognizer::kFfiLoadFloatUnaligned:
    case MethodRecognizer::kFfiLoadDouble:
    case MethodRecognizer::kFfiLoadDoubleUnaligned:
    case MethodRecognizer::kFfiLoadPointer:
    case MethodRecognizer::kFfiStoreInt8:
    case MethodRecognizer::kFfiStoreInt16:
    case MethodRecognizer::kFfiStoreInt32:
    case MethodRecognizer::kFfiStoreInt64:
    case MethodRecognizer::kFfiStoreUint8:
    case MethodRecognizer::kFfiStoreUint16:
    case MethodRecognizer::kFfiStoreUint32:
    case MethodRecognizer::kFfiStoreUint64:
    case MethodRecognizer::kFfiStoreFloat:
    case MethodRecognizer::kFfiStoreFloatUnaligned:
    case MethodRecognizer::kFfiStoreDouble:
    case MethodRecognizer::kFfiStoreDoubleUnaligned:
    case MethodRecognizer::kFfiStorePointer:
    case MethodRecognizer::kFfiFromAddress:
    case MethodRecognizer::kFfiGetAddress:
    case MethodRecognizer::kFfiAsExternalTypedDataInt8:
    case MethodRecognizer::kFfiAsExternalTypedDataInt16:
    case MethodRecognizer::kFfiAsExternalTypedDataInt32:
    case MethodRecognizer::kFfiAsExternalTypedDataInt64:
    case MethodRecognizer::kFfiAsExternalTypedDataUint8:
    case MethodRecognizer::kFfiAsExternalTypedDataUint16:
    case MethodRecognizer::kFfiAsExternalTypedDataUint32:
    case MethodRecognizer::kFfiAsExternalTypedDataUint64:
    case MethodRecognizer::kFfiAsExternalTypedDataFloat:
    case MethodRecognizer::kFfiAsExternalTypedDataDouble:
    case MethodRecognizer::kGetNativeField:
    case MethodRecognizer::kObjectEquals:
    case MethodRecognizer::kStringBaseLength:
    case MethodRecognizer::kStringBaseIsEmpty:
    case MethodRecognizer::kGrowableArrayLength:
    case MethodRecognizer::kObjectArrayLength:
    case MethodRecognizer::kImmutableArrayLength:
    case MethodRecognizer::kTypedListBaseLength:
    case MethodRecognizer::kByteDataViewLength:
    case MethodRecognizer::kByteDataViewOffsetInBytes:
    case MethodRecognizer::kTypedDataViewOffsetInBytes:
    case MethodRecognizer::kByteDataViewTypedData:
    case MethodRecognizer::kTypedDataViewTypedData:
    case MethodRecognizer::kClassIDgetID:
    case MethodRecognizer::kGrowableArrayCapacity:
    case MethodRecognizer::kListFactory:
    case MethodRecognizer::kObjectArrayAllocate:
    case MethodRecognizer::kCopyRangeFromUint8ListToOneByteString:
    case MethodRecognizer::kLinkedHashBase_getIndex:
    case MethodRecognizer::kLinkedHashBase_setIndex:
    case MethodRecognizer::kLinkedHashBase_getData:
    case MethodRecognizer::kLinkedHashBase_setData:
    case MethodRecognizer::kLinkedHashBase_getHashMask:
    case MethodRecognizer::kLinkedHashBase_setHashMask:
    case MethodRecognizer::kLinkedHashBase_getUsedData:
    case MethodRecognizer::kLinkedHashBase_setUsedData:
    case MethodRecognizer::kLinkedHashBase_getDeletedKeys:
    case MethodRecognizer::kLinkedHashBase_setDeletedKeys:
    case MethodRecognizer::kImmutableLinkedHashBase_getData:
    case MethodRecognizer::kImmutableLinkedHashBase_getIndex:
    case MethodRecognizer::kImmutableLinkedHashBase_setIndexStoreRelease:
    case MethodRecognizer::kWeakProperty_getKey:
    case MethodRecognizer::kWeakProperty_setKey:
    case MethodRecognizer::kWeakProperty_getValue:
    case MethodRecognizer::kWeakProperty_setValue:
    case MethodRecognizer::kFfiAbi:
    case MethodRecognizer::kReachabilityFence:
    case MethodRecognizer::kUtf8DecoderScan:
    case MethodRecognizer::kHas63BitSmis:
      return true;
    case MethodRecognizer::kDoubleToInteger:
    case MethodRecognizer::kDoubleMod:
    case MethodRecognizer::kDoubleRoundToDouble:
    case MethodRecognizer::kDoubleTruncateToDouble:
    case MethodRecognizer::kDoubleFloorToDouble:
    case MethodRecognizer::kDoubleCeilToDouble:
    case MethodRecognizer::kMathDoublePow:
    case MethodRecognizer::kMathSin:
    case MethodRecognizer::kMathCos:
    case MethodRecognizer::kMathTan:
    case MethodRecognizer::kMathAsin:
    case MethodRecognizer::kMathAcos:
    case MethodRecognizer::kMathAtan:
    case MethodRecognizer::kMathAtan2:
    case MethodRecognizer::kMathExp:
    case MethodRecognizer::kMathLog:
    case MethodRecognizer::kMathSqrt:
      return FlowGraphCompiler::SupportsUnboxedDoubles();
    case MethodRecognizer::kDoubleCeilToInt:
    case MethodRecognizer::kDoubleFloorToInt:
      if (!FlowGraphCompiler::SupportsUnboxedDoubles()) return false;
#if defined(TARGET_ARCH_X64)
      return CompilerState::Current().is_aot() || FLAG_target_unknown_cpu;
#elif defined(TARGET_ARCH_ARM64) || defined(TARGET_ARCH_RISCV32) ||            \
    defined(TARGET_ARCH_RISCV64)
      return true;
#else
      return false;
#endif
    default:
      return false;
  }
}