a global variable of the class type. References assert(), Context, get(), and packAllocSizeArgs(). Furthermore, low-level lowering may decide that a direct result This is currently used by the X86 target to allow some CPUs that support 512-bit in terms of the function parameters, the second is a string explaining why this To avoid that, use asm labels. If an external declaration is marked weak and that symbol does not initialization being the opposite. passed in XMM0-XMM5. version of the function in that source file but provides the function body for Returns the denormal handling type for the default rounding mode of the function. References llvm::AMDGPUISD::BFI, CFGFuncName, contains(), llvm::getMaxFreq(), llvm::Value::getName(), and llvm::ViewGraph(). withCompletionHandler) if not for the swift_async(none) attribute. declared elsewhere), the method is declared to be direct. the unwind table entry for the specified function. * all labels marked [[likely]] have an equally positive likelihood, and versions. is not a constant initializer an error will be produced. The attribute no_randomize_layout, when attached to a C structure, override declarations with only a function declaration. example, the following will emit 4 versions of the function: Marks a function that attempts to acquire a capability. Where enum definition or, when the enum is annotated with flag_enum, a value that The optional If the value is "Thread Local", its value isn't shared by the threads. The alloc_size attribute can be placed on functions that return pointers in can indicate a variety of different ways of representing an error. * all labels without an attribute have a neutral likelihood, extended frame information. It is -fprofile-generate / -fprofile-instr-generate / This is not the same as __attribute__((no_sanitize())), which depending declarations must not have availability attributes for that registers need to be saved. Type tag that is a reference to a declared identifier. Otherwise, when spelled as For example, it may be referenced from inline asm, or it may be Its a bit analogous to the swift_error the return type, or the functions parameters. Strip off pointer casts and all-constant inbounds GEPs. In a switch statement its allowed to annotate multiple case labels Referenced by llvm::CodeViewDebug::beginFunctionImpl(). Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, @kpdev I haven't tried the code myself, but I see there's. This attribute may be Referenced by llvm::CloneFunctionInto(), copyAttributesFrom(), and llvm::CodeExtractor::extractCodeRegion(). strings, or if it has a target attribute string of default. Use grep -R <attribute> over the $(LLVM_SRC) and $(CLANG_SRC) directories to find every file in which the existing attribute has a presence. The behavior of a program executing on a processor that doesnt satisfy that all memory is properly initialized in order to avoid leaking privileged The flatten attribute causes calls within the attributed function to You use the Attribute::get methods to create a new Attribute object. linking failure. Clang supports additional attributes for checking basic resource management For variadic functions, the variadic arguments must come in the same order as treatment. The Attribute is converted to a string of equivalent mnemonic. appropriate class interface, the program is ill-formed with no diagnostic See Controlling Code Generation for a AttributeList objects. Return true if there is exactly one unique user of this value that cannot be dropped (that user can have multiple uses of this value). This is a general requirement of the AAPCS at public Definition at line 312 of file Attributes.cpp. have similar risks such as never releasing a resource associated with a handle, being direct. A diagnostic is issued, // Issues a diagnostic since the attribute, // attribute on substatement has no effect, // No likelihood attribute, code path is neutral, // falling through has no effect on the likelihood, // This value and code path are both unlikely, // The loop is the likely path of execution, // The loop is the unlikely path of execution, // The generated code will optimize to skip the loop body, // Clang elides the comparison and generates an infinite, __attribute__((btf_type_tag("ARGUMENT"))), clang::__clang_arm_mve_strict_polymorphism. by other runtimes in the future too. See It takes a single argument that is the name of a double-square-bracket-style attribute. Referenced by llvm::CodeViewDebug::beginFunctionImpl(), llvm::CloneFunctionInto(), llvm::LoopSafetyInfo::computeBlockColors(), llvm::XCoreFrameLowering::emitEpilogue(), llvm::XCoreFrameLowering::emitPrologue(), llvm::X86FrameLowering::emitPrologue(), llvm::CodeExtractor::extractCodeRegion(), findUnwindDestinations(), llvm::getEHScopeMembership(), getSEHRegistrationNodeSize(), llvm::InlineFunction(), llvm::MachineBasicBlock::liveout_begin(), needFuncLabels(), llvm::X86FrameLowering::processFunctionBeforeFrameFinalized(), llvm::X86FrameLowering::restoreWinEHStackPointersInParent(), llvm::StackProtector::runOnFunction(), llvm::FunctionLoweringInfo::set(), and llvm::InstCombinerImpl::visitLandingPadInst(). When this happens, the variant likelihood. then set the interrupt mask to the corresponding level which will mask all Newer aligned SSE instructions that retain requires special support from the linker; see that attributes Query for this feature with __has_attribute(enable_if). This attribute, when attached to a function or variable definition, indicates C++ ABI prefix on mangled symbol names, so that e.g. Set a particular kind of metadata attachment. adds the attribute to the list of attributes. complete object is complete. code. attribute, or an attribute-value pair. resources used by a single wavefront have to be limited. a function to match the default convention used on Windows x86_64. any option of a multiversioned function is undefined. Weakly-linking is almost always a better API choice, since it allows This attribute is typically combined with the Definition at line 460 of file Function.h. directly as if it were a C function, it still obeys Objective-C semantics in other Referenced by addAllocTypeAttribute(), llvm::AttrBuilder::addAttribute(), llvm::AttributeList::addAttributeAtIndex(), llvm::AttrBuilder::addRawIntAttr(), llvm::AttrBuilder::addTypeAttr(), adjustByValArgAlignment(), CreateGCStatepointCallCommon(), CreateGCStatepointInvokeCommon(), llvm::IRBuilderBase::CreatePreserveArrayAccessIndex(), llvm::IRBuilderBase::CreatePreserveStructAccessIndex(), llvm::ARMTargetLowering::emitLoadLinked(), llvm::AArch64TargetLowering::emitLoadLinked(), llvm::ARMTargetLowering::emitStoreConditional(), llvm::AArch64TargetLowering::emitStoreConditional(), llvm::AttributeList::get(), llvm::IRAttribute< Attribute::Returned, AbstractAttribute >::getDeducedAttributes(), getWithAlignment(), getWithAllocSizeArgs(), getWithByRefType(), getWithByValType(), getWithDereferenceableBytes(), getWithDereferenceableOrNullBytes(), getWithInAllocaType(), getWithMemoryEffects(), getWithNewType(), getWithPreallocatedType(), getWithStackAlignment(), getWithStructRetType(), getWithUWTableKind(), getWithVScaleRangeArgs(), LLVMAddTargetDependentFunctionAttr(), LLVMCreateEnumAttribute(), LLVMCreateStringAttribute(), LLVMCreateTypeAttribute(), processCallSite(), setAllocKind(), llvm::codegen::setFunctionAttributes(), llvm::setInlineRemark(), and llvm::VFABI::setVectorVariantNames(). This attribute indicates that Swift subclasses and members of Swift extensions the abi_tag attribute, it is possible to have different mangled names for // myScalar is promoted to int32_t as a side effect of the addition, // so if lax vector conversions are considered for myVector, then, // the two overloads are equally good (one argument conversion, // each). is not specified. and change the code generated by the compiler when directly calling if either two declarations of the function have different target attribute declaration should be resolved at runtime by calling a resolver function. Return true if this global has an exact defintion. than the neutral likelihood. To make sure it num_sgpr and/or num_vgpr implies the default behavior (no limits). Since often out parameters may or may not be written depending on the exit References assert(), llvm::AttributeImpl::getValueAsInt(), hasAttribute(), and unpackAllocSizeArgs(). The first parameter is and machine. compiler will generate a diagnostic for a function declared as [[noreturn]] Interrupt handler functions defined with the signal attribute do not re-enable interrupts. A single parameter may not have multiple ABI treatment The swift_error_result attribute marks a parameter of a swiftcall unroller to unroll the loop _value_ times. Definition at line 778 of file Function.h. For instance: The C++ spelling of the attribute ([[clang::using_if_exists]]) is also This is similar to C-style static, but can be used on classes state, a call to such a function would switch from secure to non-secure state. described in the previous paragraph. Referenced by getFrameLayout(), and llvm::Argument::getParamAlign(). References llvm::AttributeList::getFnStackAlignment(). ) {334 // The type being inserted is a nested sub-type of the aggregate; we: 335 // have to remove those initial indices to get the location we're: 336 // interested in for the op user-declared functions. uniqued. function desires vectors of at least this width to be generated. // warning: temporary "bar"s that might be bound to local reference 'val', // will be destroyed at the end of the full-expression. The builtin function whose diagnostics are to be mimicked should be unchanged for the caller by the current calling convention. This depends on there being a 'dot' and 'gv' program in your path. specified when the kernel is dispatched. Definition at line 2034 of file Function.cpp. class template from being part of explicit template instantiations of that // Creates a resolver for single_cpu above. The disable_tail_calls attribute instructs the backend to not perform tail Referenced by copyAttributesFrom(), and ~Function(). Definition at line 554 of file Function.cpp. This prevents exception-unwinding. Definition at line 66 of file Function.h. This document describes how to use XRay as implemented in LLVM. Collaboration diagram for llvm::Attribute: llvm::AttributeList::addAttributeAtIndex(), llvm::IRBuilderBase::CreatePreserveArrayAccessIndex(), llvm::IRBuilderBase::CreatePreserveStructAccessIndex(), llvm::ARMTargetLowering::emitLoadLinked(), llvm::AArch64TargetLowering::emitLoadLinked(), llvm::ARMTargetLowering::emitStoreConditional(), llvm::AArch64TargetLowering::emitStoreConditional(), llvm::IRAttribute< Attribute::Returned, AbstractAttribute >::getDeducedAttributes(), llvm::BumpPtrAllocatorImpl< AllocatorT, SlabSize, SizeThreshold, GrowthDelay >::Allocate(), llvm::StringAttributeImpl::totalSizeToAlloc(), llvm::MemoryEffects::createFromIntValue(), llvm::AMDGPUMachineFunction::AMDGPUMachineFunction(), llvm::TargetLoweringBase::areJTsAllowed(), llvm::AMDGPUTargetMachine::getFeatureString(), llvm::SystemZTargetLowering::getStackProbeSize(), llvm::PPCTargetLowering::getStackProbeSize(), llvm::X86TargetLowering::getStackProbeSize(), llvm::X86TargetLowering::getStackProbeSymbolName(), llvm::LoongArchTargetMachine::getSubtargetImpl(), llvm::RISCVTargetMachine::getSubtargetImpl(), llvm::CSKYTargetMachine::getSubtargetImpl(), llvm::HexagonTargetMachine::getSubtargetImpl(), llvm::AArch64TargetMachine::getSubtargetImpl(), llvm::SparcTargetMachine::getSubtargetImpl(), llvm::SystemZTargetMachine::getSubtargetImpl(), llvm::WebAssemblyTargetMachine::getSubtargetImpl(), llvm::X86TargetMachine::getSubtargetImpl(), llvm::M68kTargetMachine::getSubtargetImpl(), llvm::PPCTargetMachine::getSubtargetImpl(), llvm::ARMBaseTargetMachine::getSubtargetImpl(), llvm::MipsTargetMachine::getSubtargetImpl(), llvm::SystemZTargetLowering::hasInlineStackProbe(), llvm::PPCTargetLowering::hasInlineStackProbe(), llvm::X86TargetLowering::hasInlineStackProbe(), llvm::RISCVTargetLowering::LowerFormalArguments(), llvm::parseStatepointDirectivesFromAttrs(), llvm::SITargetLowering::shouldExpandAtomicRMWInIR(), llvm::AttributeFuncs::updateMinLegalVectorWidthAttr(), llvm::MatrixBuilder::CreateColumnMajorLoad(), llvm::MatrixBuilder::CreateColumnMajorStore(), llvm::IRBuilderBase::CreateElementUnorderedAtomicMemMove(), llvm::IRBuilderBase::CreateThreadLocalAddress(), llvm::MemIntrinsicBase< AnyMemIntrinsic >::setDestAlignment(), llvm::MemTransferBase< AnyMemIntrinsic >::setSourceAlignment(), llvm::AttributeList::replaceAttributeTypeAtIndex(), llvm::IntAttributeImpl::IntAttributeImpl(), For a typed attribute, return the equivalent attribute with the type changed to, Return true if this attribute belongs to the, static bool llvm::Attribute::isEnumAttrKind, static bool llvm::Attribute::isIntAttrKind, static bool llvm::Attribute::isTypeAttrKind. When the Owners lifetime ends, it will consider the Pointer to be dangling. information. #pragma nounroll. but it also means the method cannot be overridden in subclasses or replaced -fstack-protector-strong but function bar will still be built with the __attribute__((amdgpu_flat_work_group_size(, __attribute__((amdgpu_num_sgpr())), __attribute__((amdgpu_num_vgpr())). attempt to fully unroll the loop if the trip count is known at compile time and Collaboration diagram for llvm::Function: stripAndAccumulateInBoundsConstantOffsets, llvm::ilist_node_impl< ilist_detail::compute_node_options< Function, Options >::type >, llvm::AttributeList::addAttributeAtIndex(), llvm::AttributeList::addDereferenceableOrNullParamAttr(), llvm::AttributeList::addDereferenceableParamAttr(), llvm::AttributeFuncs::updateMinLegalVectorWidthAttr(), llvm::AttributeList::addParamAttributes(), llvm::FunctionComparator::compareSignature(), llvm::SwiftErrorValueTracking::setFunction(), llvm::X86FrameLowering::adjustForHiPEPrologue(), llvm::CFLSteensAAResult::FunctionInfo::FunctionInfo(), llvm::IRPosition::getAssociatedArgument(), llvm::Attributor::registerFunctionSignatureRewrite(), llvm::AMDGPUTargetLowering::analyzeFormalArgumentsCompute(), llvm::HexagonEvaluator::HexagonEvaluator(), llvm::AArch64CallLowering::isEligibleForTailCallOptimization(), llvm::AMDGPUCallLowering::isEligibleForTailCallOptimization(), llvm::SITargetLowering::isEligibleForTailCallOptimization(), llvm::FunctionPropertiesUpdater::finish(), llvm::FunctionPropertiesUpdater::FunctionPropertiesUpdater(), llvm::GraphTraits< DOTFuncInfo * >::nodes_begin(), llvm::GraphTraits< DOTFuncMSSAInfo * >::nodes_begin(), llvm::SelectionDAGISel::runOnMachineFunction(), llvm::MIRParserImpl::createDummyFunction(), llvm::ThunkInserter< Derived >::createThunkFunction(), llvm::PMDataManager::emitInstrCountChangedRemark(), llvm::DOTGraphTraits< SelectionDAG * >::getNodeAttributes(), llvm::OpenMPIRBuilder::getOrCreateSrcLocStr(), llvm::HexagonTargetLowering::LowerOperationWrapper(), llvm::MCSectionMachO::ParseSectionSpecifier(), llvm::HexagonTargetLowering::ReplaceNodeResults(), llvm::GraphTraits< DOTFuncInfo * >::nodes_end(), llvm::GraphTraits< DOTFuncMSSAInfo * >::nodes_end(), llvm::ilist_node_impl< ilist_detail::compute_node_options< Function, Options >::type >::getIterator(), llvm::OpenMPIRBuilder::createReductions(), llvm::AttributeList::getAttributeAtIndex(), llvm::AArch64RegisterInfo::getCalleeSavedRegs(), llvm::SystemZELFRegisters::getCalleeSavedRegs(), llvm::AArch64RegisterInfo::getCallPreservedMask(), llvm::SystemZELFRegisters::getCallPreservedMask(), llvm::ARMBaseRegisterInfo::getCallPreservedMask(), llvm::AArch64RegisterInfo::getDarwinCalleeSavedRegs(), llvm::AArch64RegisterInfo::getDarwinCallPreservedMask(), llvm::Argument::getPassPointeeByValueCopySize(), llvm::Argument::getPointeeInMemoryValueType(), llvm::Argument::hasPassPointeeByValueCopyAttr(), llvm::Argument::hasPointeeInMemoryValueAttr(), llvm::PPCInstrInfo::isSignOrZeroExtended(), llvm::Attributor::isValidFunctionSignatureRewrite(), llvm::IRAttributeManifest::manifestAttrs(), llvm::RISCVTargetLowering::ReplaceNodeResults(), llvm::TargetLoweringObjectFile::SectionForGlobal(), LLVMInsertExistingBasicBlockAfterInsertBlock(), llvm::SIMachineFunctionInfo::allocateVGPRSpillToAGPR(), llvm::AMDGPUCallLowering::areCalleeOutgoingArgsTailCallable(), llvm::AVRMachineFunctionInfo::AVRMachineFunctionInfo(), llvm::AArch64FrameLowering::determineCalleeSaves(), llvm::AMDGPUCallLowering::doCallerAndCalleePassArgsTheSameWay(), llvm::AArch64FrameLowering::emitEpilogue(), llvm::SystemZELFFrameLowering::emitEpilogue(), llvm::AArch64FrameLowering::emitPrologue(), llvm::SystemZELFFrameLowering::emitPrologue(), llvm::X86FrameLowering::enableShrinkWrapping(), llvm::VERegisterInfo::getCalleeSavedRegs(), llvm::RISCVRegisterInfo::getCalleeSavedRegs(), llvm::SIRegisterInfo::getCalleeSavedRegs(), llvm::PPCRegisterInfo::getCalleeSavedRegs(), llvm::AArch64RegisterInfo::getCalleeSavedRegsViaCopy(), llvm::X86RegisterInfo::getCalleeSavedRegsViaCopy(), llvm::ARMBaseRegisterInfo::getCalleeSavedRegsViaCopy(), llvm::SIInstrInfo::getDSShaderTypeValue(), llvm::X86FrameLowering::getFrameIndexReference(), llvm::SIMachineFunctionInfo::getGITPtrLoReg(), llvm::M68kRegisterInfo::getReservedRegs(), llvm::TargetFrameLowering::getStackAlignmentSkew(), llvm::X86FrameLowering::has128ByteRedZone(), llvm::X86RegisterInfo::isArgumentRegister(), llvm::AArch64RegisterInfo::isArgumentRegister(), llvm::TargetRegisterInfo::isCalleeSavedPhysReg(), llvm::HexagonTargetLowering::IsEligibleForTailCallOptimization(), llvm::SITargetLowering::mayBeEmittedAsTailCall(), llvm::AArch64FrameLowering::resolveFrameOffsetReference(), llvm::AArch64TargetLowering::supportSplitCSR(), llvm::SystemZELFFrameLowering::usePackedStack(), llvm::ARMFrameLowering::adjustForSegmentedStacks(), llvm::SIMachineFunctionInfo::allocateSGPRSpillToVGPR(), llvm::MachineOptimizationRemarkEmitter::allowExtraAnalysis(), llvm::CombinerHelper::applyCombineConstantFoldFpUnary(), llvm::AArch64CallLowering::canLowerReturn(), llvm::SITargetLowering::computeKnownAlignForTargetInstr(), llvm::TargetInstrInfo::describeLoadedValue(), llvm::MachineOptimizationRemarkEmitter::emit(), llvm::ARMBaseRegisterInfo::emitLoadConstPool(), llvm::OptimizationRemarkEmitter::enabled(), llvm::X86InstrInfo::foldMemoryOperandImpl(), llvm::OpenMPIRBuilder::getOrCreateRuntimeFunction(), llvm::SPIRVGlobalRegistry::getOrCreateSPIRVBoolType(), llvm::getOrCreateSPIRVDeviceEventPointer(), llvm::SPIRVGlobalRegistry::getOrCreateSPIRVIntegerType(), llvm::SPIRVGlobalRegistry::getOrCreateSPIRVTypeByName(), llvm::FunctionLoweringInfo::getValueFromVirtualReg(), llvm::RISCVInstrInfo::getVLENFactoredAmount(), llvm::MachineOptimizationRemark::isEnabled(), llvm::MachineOptimizationRemarkMissed::isEnabled(), llvm::MachineOptimizationRemarkAnalysis::isEnabled(), llvm::OptimizationRemarkMissed::isEnabled(), llvm::OptimizationRemarkAnalysis::isEnabled(), llvm::PPCTargetLowering::isFMAFasterThanFMulAndFAdd(), llvm::AMDGPULegalizerInfo::legalizeAddrSpaceCast(), llvm::AMDGPULegalizerInfo::legalizeGlobalValue(), llvm::CombinerHelper::matchLoadOrCombine(), llvm::ExecutionEngine::runFunctionAsMain(), llvm::OptimizationRemarkEmitterWrapperPass::runOnFunction(), llvm::MachineOptimizationRemarkEmitterPass::runOnMachineFunction(), llvm::SITargetLowering::shouldExpandAtomicRMWInIR(), llvm::createSanitizerCtorAndInitFunctions(), llvm::InstCombinerImpl::freezeOtherUses(), llvm::MemoryDependenceResults::getDependency(), llvm::GraphTraits< DOTFuncInfo * >::getEntryNode(), llvm::GraphTraits< DOTFuncMSSAInfo * >::getEntryNode(), llvm::InstCombinerImpl::visitAllocaInst(), llvm::TargetLoweringBase::areJTsAllowed(), llvm::SystemZTargetLowering::getStackProbeSize(), llvm::PPCTargetLowering::getStackProbeSize(), llvm::X86TargetLowering::getStackProbeSize(), llvm::X86TargetLowering::getStackProbeSymbolName(), llvm::SystemZTargetLowering::hasInlineStackProbe(), llvm::PPCTargetLowering::hasInlineStackProbe(), llvm::X86TargetLowering::hasInlineStackProbe(), llvm::RISCVTargetLowering::LowerFormalArguments(), llvm::ARMBaseInstrInfo::mergeOutliningCandidateAttributes(), llvm::TargetInstrInfo::mergeOutliningCandidateAttributes(), llvm::AttributeList::getFnStackAlignment(), llvm::MatrixBuilder::CreateColumnMajorLoad(), llvm::MatrixBuilder::CreateColumnMajorStore(), llvm::IRBuilderBase::CreateLaunderInvariantGroup(), llvm::MatrixBuilder::CreateMatrixMultiply(), llvm::MatrixBuilder::CreateMatrixTranspose(), llvm::IRBuilderBase::CreateStripInvariantGroup(), llvm::ARMTargetLowering::emitStoreConditional(), llvm::AArch64TargetLowering::emitStoreConditional(), llvm::TargetLibraryInfoImpl::getLibFunc(), llvm::coro::Shape::getRetconResultTypes(), llvm::LoopVectorizationCostModel::getVectorIntrinsicCost(), llvm::IntrinsicCostAttributes::IntrinsicCostAttributes(), llvm::HexagonTargetLowering::LowerFormalArguments(), llvm::SITargetLowering::LowerFormalArguments(), llvm::Intrinsic::remangleIntrinsicFunction(), llvm::findDevirtualizableCallsForTypeCheckedLoad(), llvm::findDevirtualizableCallsForTypeTest(), llvm::AttributeList::getParamDereferenceableBytes(), llvm::Argument::getDereferenceableBytes(), llvm::AttributeList::getParamDereferenceableOrNullBytes(), llvm::Argument::getDereferenceableOrNullBytes(), llvm::AttributeList::getParamInAllocaType(), llvm::AttributeList::getParamPreallocatedType(), llvm::AttributeList::getParamStackAlignment(), llvm::AttributeList::getParamStructRetType(), llvm::LoopSafetyInfo::computeBlockColors(), llvm::X86FrameLowering::processFunctionBeforeFrameFinalized(), llvm::X86FrameLowering::restoreWinEHStackPointersInParent(), llvm::InstCombinerImpl::visitLandingPadInst(), llvm::IRBuilderBase::getCurrentFunctionReturnType(), llvm::DwarfDebug::emitInitialLocDirective(), llvm::AsmPrinter::emitInitialRawDwarfLocDirective(), llvm::LLVMContext::OB_clang_arc_attachedcall, llvm::AArch64FunctionInfo::AArch64FunctionInfo(), llvm::SystemZXPLINKFrameLowering::assignCalleeSavedSpillSlots(), llvm::AArch64TargetLowering::canMergeStoresTo(), llvm::X86TargetLowering::canMergeStoresTo(), llvm::TargetRegisterInfo::canRealignStack(), llvm::RISCVFrameLowering::determineCalleeSaves(), llvm::CSKYFrameLowering::determineCalleeSaves(), llvm::TargetFrameLowering::determineCalleeSaves(), llvm::PPCFrameLowering::determineFrameLayout(), llvm::PPCRegisterInfo::eliminateFrameIndex(), llvm::PPCTargetLowering::emitEHSjLjSetJmp(), llvm::MipsSEFrameLowering::emitEpilogue(), llvm::MipsAsmPrinter::emitFunctionBodyStart(), llvm::MipsSEFrameLowering::emitPrologue(), llvm::ARMFrameLowering::enableCalleeSaveSkip(), llvm::TargetFrameLowering::enableCalleeSaveSkip(), llvm::CSKYRegisterInfo::getCalleeSavedRegs(), llvm::X86RegisterInfo::getCalleeSavedRegs(), llvm::AArch64FrameLowering::getFrameIndexReference(), llvm::VNCoercion::getLoadLoadClobberFullWidthSize(), llvm::SystemZELFFrameLowering::getRegSpillOffset(), llvm::MipsRegisterInfo::getReservedRegs(), llvm::AArch64RegisterInfo::getStrictlyReservedRegs(), llvm::SystemZELFFrameLowering::inlineStackProbe(), llvm::AArch64RegisterInfo::isAsmClobberable(), llvm::SystemZELFFrameLowering::processFunctionBeforeFrameFinalized(), llvm::X86TargetLowering::ReplaceNodeResults(), llvm::PPCFrameLowering::restoreCalleeSavedRegisters(), llvm::MachineFunction::shouldSplitStack(), llvm::PPCFrameLowering::spillCalleeSavedRegisters(), llvm::RISCVMachineFunctionInfo::useSaveRestoreLibCalls(), llvm::ARMSubtarget::getGPRAllocationOrder(), llvm::ARMSubtarget::ignoreCSRForAllocationOrder(), llvm::ARMBaseInstrInfo::isProfitableToIfCvt(), llvm::RISCVTargetLowering::shouldExpandShift(), llvm::AArch64TargetLowering::shouldExpandShift(), llvm::X86TargetLowering::shouldExpandShift(), llvm::RISCVInstrInfo::shouldOutlineFromFunctionByDefault(), llvm::AArch64InstrInfo::shouldOutlineFromFunctionByDefault(), llvm::ARMBaseInstrInfo::shouldOutlineFromFunctionByDefault(), llvm::RISCVFrameLowering::enableShrinkWrapping(), llvm::InstructionSelect::runOnMachineFunction(), llvm::InnerLoopVectorizer::emitMemRuntimeChecks(), llvm::InnerLoopVectorizer::emitSCEVChecks(), llvm::ARMTTIImpl::getPreferredAddressingMode(), llvm::RISCVTTIImpl::getUnrollingPreferences(), llvm::ARMTTIImpl::getUnrollingPreferences(), llvm::TailDuplicator::shouldTailDuplicate(), llvm::WebAssemblyFrameLowering::needsPrologForEH(), llvm::ProfileSummaryInfo::isColdCallSite(), llvm::SparcTargetLowering::LowerFormalArguments_32(), llvm::SparcTargetLowering::LowerReturn_32(), llvm::VPTransformState::setDebugLocFromInst(), llvm::GlobalValue::hasAvailableExternallyLinkage(), llvm::BasicTTIImplBase< AMDGPUTTIImpl >::getIntrinsicInstrCost(), llvm::InstCombiner::targetInstCombineIntrinsic(), llvm::InstCombiner::targetSimplifyDemandedUseBitsIntrinsic(), llvm::InstCombiner::targetSimplifyDemandedVectorEltsIntrinsic(), llvm::X86FrameLowering::adjustForSegmentedStacks(), llvm::SystemZELFFrameLowering::assignCalleeSavedSpillSlots(), llvm::XCoreFunctionInfo::createLRSpillSlot(), llvm::XCoreFrameLowering::determineCalleeSaves(), llvm::SystemZELFFrameLowering::determineCalleeSaves(), llvm::SystemZELFFrameLowering::spillCalleeSavedRegisters(), llvm::Intrinsic::lookupLLVMIntrinsicByName(), llvm::AttributeList::removeAttributeAtIndex(), llvm::AttributeList::removeFnAttributes(), llvm::AttributeList::removeParamAttribute(), llvm::AttributeList::removeParamAttributes(), llvm::AttributeList::removeRetAttribute(), llvm::AttributeList::removeRetAttributes(), llvm::MDBuilder::createFunctionEntryCount(), llvm::Function::ProfileCount::isSynthetic(), llvm::MDBuilder::createFunctionSectionPrefix(), llvm::DOTGraphTraits< DOTFuncInfo * >::getEdgeAttributes(), llvm::GraphTraits< DOTFuncInfo * >::size(), llvm::GraphTraits< DOTFuncMSSAInfo * >::size(). on pointers that are not marked as const. convention is supported primarily for compatibility with existing code. #pragma clang loop unroll(enable) and The objc_runtime_name the state of the handle. Typically, this function pointer is /* This may print something else than "6 * 7 = 42", if there is a non-weak definition of "ANSWER" in, #pragma omp declare target (extended-list) new-line, #pragma omp declare target clause[ [,] clause ] new-line. Example encodings for the callback performed by pthread_create are shown Attributes X_consumed can be added to parameters of methods, functions, References assert(), llvm::AttributeImpl::getKindAsEnum(), isEnumAttribute(), isIntAttribute(), isTypeAttribute(), and None. Clang supports the __attribute__((amdgpu_waves_per_eu([, ]))) available, or calls it with an error. The index 0, or the identifier this, is used to should be enabled for the function body. The LLVM source-base makes extensive use of a custom form of RTTI. The *-*-win32 targets utilize a pointer-to-member representation which Note that only the template instantiation, so the value for T::number is known. as its value can change during linking (or dynamic linking). 0, 0 as , implies the default behavior (no limits). If there are a multiple direct results, the C result type should be section. It allows the intrinsic functions to PGO (Profile-Guided Optimization) or at optimization level 0. This is, presumably, for writing out the mnemonics for the assembly writer. Definition at line 180 of file Function.h. Returns the alignment field of an attribute as a byte alignment value. Users The [[_Noreturn]] spelling is deprecated and only exists to ease code Static message sends with the class as a receiver use a special The gnu_inline changes the meaning of extern inline to use GNU inline set so that the function can only be interrupted by a higher priority
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