|  | Operand class,Example instruction,Notes,example unit test,negative-enum coverage location | 
|  | "    OperandNone,",UNUSED,not in grammar,,not enum | 
|  | "    OperandId,",many,ID,too many to count,not enum | 
|  | "    OperandOptionalId,","Source, Variable",OPTIONAL_ID,OpSourceAcceptsOptionalFileId,not enum | 
|  | "    OperandOptionalImage,",ImageFetch,,ImageOperandsTest,"TEST_F(ImageOperandsTest, WrongOperand)" | 
|  | "    OperandVariableIds,",ExtInst,,,not enum | 
|  | "    OperandOptionalLiteral,",ExecutionMode,,AnyExecutionMode,not enum | 
|  | "    OperandOptionalLiteralString,",Source,,OpSourceAcceptsOptionalSourceText,not enum | 
|  | "    OperandVariableLiterals,",Decorate,,OpDecorateSimpleTest,not enum | 
|  | "    OperandVariableIdLiteral,",GroupMemberDecorate,,GroupMemberDecorate*,not enum | 
|  | "    OperandVariableLiteralId,",Switch,,Switch*,not enum | 
|  | "    OperandLiteralNumber,","Source, Switch, ...",,Switch*,not enum | 
|  | "    OperandLiteralString,",SourceContinued,,OpSourceContinued,not enum | 
|  | "    OperandSource,",Source,,OpSource,not enum | 
|  | "    OperandExecutionModel,",EntryPoint,,OpEntryPointTest,"TEST_F(OpEntryPointTest, WrongModel)" | 
|  | "    OperandAddressing,",OpMemoryModel,,OpMemoryModelTest,"TEST_F(OpMemoryModelTest, WrongModel)" | 
|  | "    OperandMemory,",OpMemoryModel,,OpMemoryModelTest,"TEST_F(OpMemoryModelTest, WrongModel)" | 
|  | "    OperandExecutionMode,",OpExecutionMode,,OpExecutionModeTest,"TEST_F(OpExecutionModeTest, WrongMode)" | 
|  | "    OperandStorage,","TypePointer, TypeForwardPointer, Variable",,StorageClassTest,"TEST_F(OpTypeForwardPointerTest, WrongClass)" | 
|  | "    OperandDimensionality,",TypeImage,,DimTest/AnyDim,"TEST_F(DimTest, WrongDim)" | 
|  | "    OperandSamplerAddressingMode,",ConstantSampler,,SamplerAddressingModeTest,"TEST_F(SamplerAddressingModeTest, WrongMode)" | 
|  | "    OperandSamplerFilterMode,",ConstantSampler,,AnySamplerFilterMode,"TEST_F(SamplerFilterModeTest, WrongMode)" | 
|  | "    OperandSamplerImageFormat,",TypeImage,SAMPLER_IMAGE_FORMAT,ImageFormatTest,"TEST_F(ImageFormatTest, WrongFormat)" | 
|  | "    OperandImageChannelOrder,",UNUSED,returned as result value only,, | 
|  | "    OperandImageChannelDataType,",UNUSED,returned as result value only,, | 
|  | "    OperandImageOperands,",UNUSED,used to make a spec section,,see OperandOptionalImage | 
|  | "    OperandFPFastMath,",OpDecorate,,CombinedFPFastMathMask,"TEST_F(OpDecorateEnumTest, WrongFPFastMathMode)" | 
|  | "    OperandFPRoundingMode,",OpDecorate,,,"TEST_F(OpDecorateEnumTest, WrongFPRoundingMode)" | 
|  | "    OperandLinkageType,",OpDecorate,,OpDecorateLinkageTest,"TEST_F(OpDecorateLinkageTest, WrongType)" | 
|  | "    OperandAccessQualifier,",OpTypePipe,,AnyAccessQualifier,"TEST_F(OpTypePipeTest, WrongAccessQualifier)" | 
|  | "    OperandFuncParamAttr,",OpDecorate,,TextToBinaryDecorateFuncParamAttr,"TEST_F(OpDecorateEnumTest, WrongFuncParamAttr)" | 
|  | "    OperandDecoration,",OpDecorate,,AnyAccessQualifier,"TEST_F(OpTypePipeTest, WrongAccessQualifier)" | 
|  | "    OperandBuiltIn,",OpDecorate,,TextToBinaryDecorateBultIn,"TEST_F(OpDecorateEnumTest, WrongBuiltIn)" | 
|  | "    OperandSelect,",SelectionMerge,,TextToBinarySelectionMerge,"TEST_F(OpSelectionMergeTest, WrongSelectionControl)" | 
|  | "    OperandLoop,",LoopMerge,,CombinedLoopControlMask,"TEST_F(OpLoopMergeTest, WrongLoopControl)" | 
|  | "    OperandFunction,",Function,,AnySingleFunctionControlMask,"TEST_F(OpFunctionControlTest, WrongFunctionControl)" | 
|  | "    OperandMemorySemantics,",OpMemoryBarrier,"it's an ID, not in grammar",OpMemoryBarrier*,not enum | 
|  | "    OperandMemoryAccess,",UNUSED,"should be on opstore, but hacked in opcode.cpp",,not enum | 
|  | "    OperandScope,",MemoryBarrier,"it's an ID, not in grammar",OpMemoryBarrier*,not enum | 
|  | "    OperandGroupOperation,",GroupIAdd,,GroupOperationTest,"TEST_F(GroupOperationTest, WrongGroupOperation)" | 
|  | "    OperandKernelEnqueueFlags,",OpEnqueueKernel,"it's an ID, not in grammar",should not have one,not enum | 
|  | "    OperandKernelProfilingInfo,",OpCaptureEventProfilingInfo,"it's an ID, not in grammar",should not have one,not enum | 
|  | "    OperandCapability,",Capability,,OpCapabilityTest,"TEST_F(TextToBinaryCapability, BadInvalidCapability)" |