OpenMPOpt.cpp File Reference

#include "llvm/Transforms/IPO/OpenMPOpt.h"
#include "llvm/ADT/EnumeratedArray.h"
#include "llvm/ADT/PostOrderIterator.h"
#include "llvm/ADT/SetVector.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Analysis/CallGraph.h"
#include "llvm/Analysis/MemoryLocation.h"
#include "llvm/Analysis/OptimizationRemarkEmitter.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/Frontend/OpenMP/OMPConstants.h"
#include "llvm/Frontend/OpenMP/OMPDeviceConstants.h"
#include "llvm/Frontend/OpenMP/OMPIRBuilder.h"
#include "llvm/IR/Assumptions.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DiagnosticInfo.h"
#include "llvm/IR/Dominators.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/IR/GlobalVariable.h"
#include "llvm/IR/InstrTypes.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/IntrinsicsAMDGPU.h"
#include "llvm/IR/IntrinsicsNVPTX.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Transforms/IPO/Attributor.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"
#include "llvm/Transforms/Utils/CallGraphUpdater.h"
#include <algorithm>
#include <optional>
#include <string>
#include "llvm/Frontend/OpenMP/OMPKinds.def"

Go to the source code of this file.

Namespaces
namespace	KernelInfo

Macros
#define	DEBUG_TYPE   "openmp-opt"
#define	KERNEL_ENVIRONMENT_IDX(MEMBER, IDX)    constexpr const unsigned MEMBER##Idx = IDX;
#define	KERNEL_ENVIRONMENT_CONFIGURATION_IDX(MEMBER, IDX)    constexpr const unsigned MEMBER##Idx = IDX;
#define	KERNEL_ENVIRONMENT_GETTER(MEMBER, RETURNTYPE)
#define	KERNEL_ENVIRONMENT_CONFIGURATION_GETTER(MEMBER)
#define	ICV_RT_SET(_Name, RTL)
#define	ICV_RT_GET(Name, RTL)
#define	ICV_DATA_ENV(Enum, _Name, _EnvVarName, Init)
#define	OMP_TYPE(VarName, ...)
#define	OMP_ARRAY_TYPE(VarName, ...)
#define	OMP_FUNCTION_TYPE(VarName, ...)
#define	OMP_STRUCT_TYPE(VarName, ...)
#define	OMP_RTL(_Enum, _Name, _IsVarArg, _ReturnType, ...)
#define	KERNEL_ENVIRONMENT_CONFIGURATION_SETTER(MEMBER)

Functions
	STATISTIC (NumOpenMPRuntimeCallsDeduplicated, "Number of OpenMP runtime calls deduplicated")
	STATISTIC (NumOpenMPParallelRegionsDeleted, "Number of OpenMP parallel regions deleted")
	STATISTIC (NumOpenMPRuntimeFunctionsIdentified, "Number of OpenMP runtime functions identified")
	STATISTIC (NumOpenMPRuntimeFunctionUsesIdentified, "Number of OpenMP runtime function uses identified")
	STATISTIC (NumOpenMPTargetRegionKernels, "Number of OpenMP target region entry points (=kernels) identified")
	STATISTIC (NumNonOpenMPTargetRegionKernels, "Number of non-OpenMP target region kernels identified")
	STATISTIC (NumOpenMPTargetRegionKernelsSPMD, "Number of OpenMP target region entry points (=kernels) executed in " "SPMD-mode instead of generic-mode")
	STATISTIC (NumOpenMPTargetRegionKernelsWithoutStateMachine, "Number of OpenMP target region entry points (=kernels) executed in " "generic-mode without a state machines")
	STATISTIC (NumOpenMPTargetRegionKernelsCustomStateMachineWithFallback, "Number of OpenMP target region entry points (=kernels) executed in " "generic-mode with customized state machines with fallback")
	STATISTIC (NumOpenMPTargetRegionKernelsCustomStateMachineWithoutFallback, "Number of OpenMP target region entry points (=kernels) executed in " "generic-mode with customized state machines without fallback")
	STATISTIC (NumOpenMPParallelRegionsReplacedInGPUStateMachine, "Number of OpenMP parallel regions replaced with ID in GPU state machines")
	STATISTIC (NumOpenMPParallelRegionsMerged, "Number of OpenMP parallel regions merged")
	STATISTIC (NumBytesMovedToSharedMemory, "Amount of memory pushed to shared memory")
	STATISTIC (NumBarriersEliminated, "Number of redundant barriers eliminated")
GlobalVariable *	KernelInfo::getKernelEnvironementGVFromKernelInitCB (CallBase *KernelInitCB)
ConstantStruct *	KernelInfo::getKernelEnvironementFromKernelInitCB (CallBase *KernelInitCB)

Variables
static cl::opt< bool >	DisableOpenMPOptimizations ("openmp-opt-disable", cl::desc("Disable OpenMP specific optimizations."), cl::Hidden, cl::init(false))
static cl::opt< bool >	EnableParallelRegionMerging ("openmp-opt-enable-merging", cl::desc("Enable the OpenMP region merging optimization."), cl::Hidden, cl::init(false))
static cl::opt< bool >	DisableInternalization ("openmp-opt-disable-internalization", cl::desc("Disable function internalization."), cl::Hidden, cl::init(false))
static cl::opt< bool >	DeduceICVValues ("openmp-deduce-icv-values", cl::init(false), cl::Hidden)
static cl::opt< bool >	PrintICVValues ("openmp-print-icv-values", cl::init(false), cl::Hidden)
static cl::opt< bool >	PrintOpenMPKernels ("openmp-print-gpu-kernels", cl::init(false), cl::Hidden)
static cl::opt< bool >	HideMemoryTransferLatency ("openmp-hide-memory-transfer-latency", cl::desc("[WIP] Tries to hide the latency of host to device memory" " transfers"), cl::Hidden, cl::init(false))
static cl::opt< bool >	DisableOpenMPOptDeglobalization ("openmp-opt-disable-deglobalization", cl::desc("Disable OpenMP optimizations involving deglobalization."), cl::Hidden, cl::init(false))
static cl::opt< bool >	DisableOpenMPOptSPMDization ("openmp-opt-disable-spmdization", cl::desc("Disable OpenMP optimizations involving SPMD-ization."), cl::Hidden, cl::init(false))
static cl::opt< bool >	DisableOpenMPOptFolding ("openmp-opt-disable-folding", cl::desc("Disable OpenMP optimizations involving folding."), cl::Hidden, cl::init(false))
static cl::opt< bool >	DisableOpenMPOptStateMachineRewrite ("openmp-opt-disable-state-machine-rewrite", cl::desc("Disable OpenMP optimizations that replace the state machine."), cl::Hidden, cl::init(false))
static cl::opt< bool >	DisableOpenMPOptBarrierElimination ("openmp-opt-disable-barrier-elimination", cl::desc("Disable OpenMP optimizations that eliminate barriers."), cl::Hidden, cl::init(false))
static cl::opt< bool >	PrintModuleAfterOptimizations ("openmp-opt-print-module-after", cl::desc("Print the current module after OpenMP optimizations."), cl::Hidden, cl::init(false))
static cl::opt< bool >	PrintModuleBeforeOptimizations ("openmp-opt-print-module-before", cl::desc("Print the current module before OpenMP optimizations."), cl::Hidden, cl::init(false))
static cl::opt< bool >	AlwaysInlineDeviceFunctions ("openmp-opt-inline-device", cl::desc("Inline all applicible functions on the device."), cl::Hidden, cl::init(false))
static cl::opt< bool >	EnableVerboseRemarks ("openmp-opt-verbose-remarks", cl::desc("Enables more verbose remarks."), cl::Hidden, cl::init(false))
static cl::opt< unsigned >	SetFixpointIterations ("openmp-opt-max-iterations", cl::Hidden, cl::desc("Maximal number of attributor iterations."), cl::init(256))
static cl::opt< unsigned >	SharedMemoryLimit ("openmp-opt-shared-limit", cl::Hidden, cl::desc("Maximum amount of shared memory to use."), cl::init(std::numeric_limits< unsigned >::max()))
static constexpr auto	TAG = "[" DEBUG_TYPE "]"

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "openmp-opt"

Definition at line 66 of file OpenMPOpt.cpp.

ICV_DATA_ENV

#define ICV_DATA_ENV	(		Enum,
			_Name,
			_EnvVarName,
			Init
	)

Value:

  {                                                                            \
    auto &ICV = ICVs[Enum];                                                    \
    ICV.Name = _Name;                                                          \
    ICV.Kind = Enum;                                                           \
    ICV.InitKind = Init;                                                       \
    ICV.EnvVarName = _EnvVarName;                                              \
    switch (ICV.InitKind) {                                                    \
    case ICV_IMPLEMENTATION_DEFINED:                                           \
      ICV.InitValue = nullptr;                                                 \
      break;                                                                   \
    case ICV_ZERO:                                                             \
      ICV.InitValue = ConstantInt::get(                                        \
          Type::getInt32Ty(OMPBuilder.Int32->getContext()), 0);                \
      break;                                                                   \
    case ICV_FALSE:                                                            \
      ICV.InitValue = ConstantInt::getFalse(OMPBuilder.Int1->getContext());    \
      break;                                                                   \
    case ICV_LAST:                                                             \
      break;                                                                   \
    }                                                                          \
  }

ICV_RT_GET

#define ICV_RT_GET	(		Name,
			RTL
	)

Value:

  {                                                                            \
    auto &ICV = ICVs[Name];                                                    \
    ICV.Getter = RTL;                                                          \
  }

ICV_RT_SET

#define ICV_RT_SET	(		_Name,
			RTL
	)

Value:

  {                                                                            \
    auto &ICV = ICVs[_Name];                                                   \
    ICV.Setter = RTL;                                                          \
  }

KERNEL_ENVIRONMENT_CONFIGURATION_GETTER

#define KERNEL_ENVIRONMENT_CONFIGURATION_GETTER

(

MEMBER

)

Value:

  ConstantInt *get##MEMBER##FromKernelEnvironment(                             \
      ConstantStruct *KernelEnvC) {                                            \
    ConstantStruct *ConfigC =                                                  \
        getConfigurationFromKernelEnvironment(KernelEnvC);                     \
    return dyn_cast<ConstantInt>(ConfigC->getAggregateElement(MEMBER##Idx));   \
  }

Definition at line 240 of file OpenMPOpt.cpp.

KERNEL_ENVIRONMENT_CONFIGURATION_IDX

#define KERNEL_ENVIRONMENT_CONFIGURATION_IDX	(		MEMBER,
			IDX
	)		constexpr const unsigned MEMBER##Idx = IDX;

Definition at line 217 of file OpenMPOpt.cpp.

KERNEL_ENVIRONMENT_CONFIGURATION_SETTER

#define KERNEL_ENVIRONMENT_CONFIGURATION_SETTER

(

MEMBER

)

Value:

  void set##MEMBER##OfKernelEnvironment(ConstantInt *NewVal) {                 \
    ConstantStruct *ConfigC =                                                  \
        KernelInfo::getConfigurationFromKernelEnvironment(KernelEnvC);         \
    Constant *NewConfigC = ConstantFoldInsertValueInstruction(                 \
        ConfigC, NewVal, {KernelInfo::MEMBER##Idx});                           \
    assert(NewConfigC && "Failed to create new configuration environment");    \
    setConfigurationOfKernelEnvironment(cast<ConstantStruct>(NewConfigC));     \
  }

Definition at line 3682 of file OpenMPOpt.cpp.

KERNEL_ENVIRONMENT_GETTER

#define KERNEL_ENVIRONMENT_GETTER	(		MEMBER,
			RETURNTYPE
	)

Value:

  RETURNTYPE *get##MEMBER##FromKernelEnvironment(ConstantStruct *KernelEnvC) { \
    return cast<RETURNTYPE>(KernelEnvC->getAggregateElement(MEMBER##Idx));     \
  }

Definition at line 230 of file OpenMPOpt.cpp.

KERNEL_ENVIRONMENT_IDX

#define KERNEL_ENVIRONMENT_IDX	(		MEMBER,
			IDX
	)		constexpr const unsigned MEMBER##Idx = IDX;

Definition at line 209 of file OpenMPOpt.cpp.

OMP_ARRAY_TYPE

#define OMP_ARRAY_TYPE	(		VarName,
			...
	)

Value:

  ArrayType *VarName##Ty = OMPBuilder.VarName##Ty;                             \
  (void)VarName##Ty;                                                           \
  PointerType *VarName##PtrTy = OMPBuilder.VarName##PtrTy;                     \
  (void)VarName##PtrTy;

OMP_FUNCTION_TYPE

#define OMP_FUNCTION_TYPE	(		VarName,
			...
	)

Value:

  FunctionType *VarName = OMPBuilder.VarName;                                  \
  (void)VarName;                                                               \
  PointerType *VarName##Ptr = OMPBuilder.VarName##Ptr;                         \
  (void)VarName##Ptr;

OMP_RTL

#define OMP_RTL	(		_Enum,
			_Name,
			_IsVarArg,
			_ReturnType,
			...
	)

Value:

  {                                                                            \
    SmallVector<Type *, 8> ArgsTypes({__VA_ARGS__});                           \
    Function *F = M.getFunction(_Name);                                        \
    RTLFunctions.insert(F);                                                    \
    if (declMatchesRTFTypes(F, OMPBuilder._ReturnType, ArgsTypes)) {           \
      RuntimeFunctionIDMap[F] = _Enum;                                         \
      auto &RFI = RFIs[_Enum];                                                 \
      RFI.Kind = _Enum;                                                        \
      RFI.Name = _Name;                                                        \
      RFI.IsVarArg = _IsVarArg;                                                \
      RFI.ReturnType = OMPBuilder._ReturnType;                                 \
      RFI.ArgumentTypes = std::move(ArgsTypes);                                \
      RFI.Declaration = F;                                                     \
      unsigned NumUses = collectUses(RFI);                                     \
      (void)NumUses;                                                           \
      LLVM_DEBUG({                                                             \
        dbgs() << TAG << RFI.Name << (RFI.Declaration ? "" : " not")           \
               << " found\n";                                                  \
        if (RFI.Declaration)                                                   \
          dbgs() << TAG << "-> got " << NumUses << " uses in "                 \
                 << RFI.getNumFunctionsWithUses()                              \
                 << " different functions.\n";                                 \
      });                                                                      \
    }                                                                          \
  }

OMP_STRUCT_TYPE

#define OMP_STRUCT_TYPE	(		VarName,
			...
	)

Value:

  StructType *VarName = OMPBuilder.VarName;                                    \
  (void)VarName;                                                               \
  PointerType *VarName##Ptr = OMPBuilder.VarName##Ptr;                         \
  (void)VarName##Ptr;

OMP_TYPE

#define OMP_TYPE	(		VarName,
			...
	)

Value:

  Type *VarName = OMPBuilder.VarName;                                          \
  (void)VarName;

Function Documentation

STATISTIC() [1/14]

STATISTIC	(	NumBarriersEliminated	,
		"Number of redundant barriers eliminated"
	)

STATISTIC() [2/14]

STATISTIC	(	NumBytesMovedToSharedMemory	,
		"Amount of memory pushed to shared memory"
	)

STATISTIC() [3/14]

STATISTIC	(	NumNonOpenMPTargetRegionKernels	,
		"Number of non-OpenMP target region kernels identified"
	)

STATISTIC() [4/14]

STATISTIC	(	NumOpenMPParallelRegionsDeleted	,
		"Number of OpenMP parallel regions deleted"
	)

STATISTIC() [5/14]

STATISTIC	(	NumOpenMPParallelRegionsMerged	,
		"Number of OpenMP parallel regions merged"
	)

STATISTIC() [6/14]

STATISTIC	(	NumOpenMPParallelRegionsReplacedInGPUStateMachine	,
		"Number of OpenMP parallel regions replaced with ID in GPU state machines"
	)

STATISTIC() [7/14]

STATISTIC	(	NumOpenMPRuntimeCallsDeduplicated	,
		"Number of OpenMP runtime calls deduplicated"
	)

STATISTIC() [8/14]

STATISTIC	(	NumOpenMPRuntimeFunctionsIdentified	,
		"Number of OpenMP runtime functions identified"
	)

STATISTIC() [9/14]

STATISTIC	(	NumOpenMPRuntimeFunctionUsesIdentified	,
		"Number of OpenMP runtime function uses identified"
	)

STATISTIC() [10/14]

STATISTIC	(	NumOpenMPTargetRegionKernels	,
		"Number of OpenMP target region entry points (=kernels) identified"
	)

STATISTIC() [11/14]

STATISTIC	(	NumOpenMPTargetRegionKernelsCustomStateMachineWithFallback	,
		"Number of OpenMP target region entry points (=kernels) executed in " "generic-mode with customized state machines with fallback"
	)

STATISTIC() [12/14]

STATISTIC	(	NumOpenMPTargetRegionKernelsCustomStateMachineWithoutFallback	,
		"Number of OpenMP target region entry points (=kernels) executed in " "generic-mode with customized state machines without fallback"
	)

STATISTIC() [13/14]

STATISTIC	(	NumOpenMPTargetRegionKernelsSPMD	,
		"Number of OpenMP target region entry points (=kernels) executed in " "SPMD-mode instead of generic-mode"
	)

STATISTIC() [14/14]

STATISTIC	(	NumOpenMPTargetRegionKernelsWithoutStateMachine	,
		"Number of OpenMP target region entry points (=kernels) executed in " "generic-mode without a state machines"
	)

Variable Documentation

AlwaysInlineDeviceFunctions

cl::opt< bool > AlwaysInlineDeviceFunctions("openmp-opt-inline-device", cl::desc("Inline all applicible functions on the device."), cl::Hidden, cl::init(false)) ( "openmp-opt-inline-device"  , cl::desc("Inline all applicible functions on the device.")  , cl::Hidden  , cl::init(false)    )

static

Referenced by llvm::OpenMPOptPass::run().

DeduceICVValues

cl::opt< bool > DeduceICVValues("openmp-deduce-icv-values", cl::init(false), cl::Hidden) ( "openmp-deduce-icv-values"  , cl::init(false)  , cl::Hidden    )

static

DisableInternalization

cl::opt< bool > DisableInternalization("openmp-opt-disable-internalization", cl::desc("Disable function internalization."), cl::Hidden, cl::init(false)) ( "openmp-opt-disable-internalization"  , cl::desc("Disable function internalization.")  , cl::Hidden  , cl::init(false)    )

static

Referenced by llvm::OpenMPOptPass::run().

DisableOpenMPOptBarrierElimination

cl::opt< bool > DisableOpenMPOptBarrierElimination("openmp-opt-disable-barrier-elimination", cl::desc("Disable OpenMP optimizations that eliminate barriers."), cl::Hidden, cl::init(false)) ( "openmp-opt-disable-barrier-elimination"  , cl::desc("Disable OpenMP optimizations that eliminate barriers.")  , cl::Hidden  , cl::init(false)    )

static

DisableOpenMPOptDeglobalization

cl::opt< bool > DisableOpenMPOptDeglobalization("openmp-opt-disable-deglobalization", cl::desc("Disable OpenMP optimizations involving deglobalization."), cl::Hidden, cl::init(false)) ( "openmp-opt-disable-deglobalization"  , cl::desc("Disable OpenMP optimizations involving deglobalization.")  , cl::Hidden  , cl::init(false)    )

static

DisableOpenMPOptFolding

cl::opt< bool > DisableOpenMPOptFolding("openmp-opt-disable-folding", cl::desc("Disable OpenMP optimizations involving folding."), cl::Hidden, cl::init(false)) ( "openmp-opt-disable-folding"  , cl::desc("Disable OpenMP optimizations involving folding.")  , cl::Hidden  , cl::init(false)    )

static

DisableOpenMPOptimizations

cl::opt< bool > DisableOpenMPOptimizations("openmp-opt-disable", cl::desc("Disable OpenMP specific optimizations."), cl::Hidden, cl::init(false)) ( "openmp-opt-disable"  , cl::desc("Disable OpenMP specific optimizations.")  , cl::Hidden  , cl::init(false)    )

static

Referenced by llvm::OpenMPOptCGSCCPass::run(), and llvm::OpenMPOptPass::run().

DisableOpenMPOptSPMDization

cl::opt< bool > DisableOpenMPOptSPMDization("openmp-opt-disable-spmdization", cl::desc("Disable OpenMP optimizations involving SPMD-ization."), cl::Hidden, cl::init(false)) ( "openmp-opt-disable-spmdization"  , cl::desc("Disable OpenMP optimizations involving SPMD-ization.")  , cl::Hidden  , cl::init(false)    )

static

DisableOpenMPOptStateMachineRewrite

cl::opt< bool > DisableOpenMPOptStateMachineRewrite("openmp-opt-disable-state-machine-rewrite", cl::desc("Disable OpenMP optimizations that replace the state machine."), cl::Hidden, cl::init(false)) ( "openmp-opt-disable-state-machine-rewrite"  , cl::desc("Disable OpenMP optimizations that replace the state machine.")  , cl::Hidden  , cl::init(false)    )

static

EnableParallelRegionMerging

cl::opt< bool > EnableParallelRegionMerging("openmp-opt-enable-merging", cl::desc("Enable the OpenMP region merging optimization."), cl::Hidden, cl::init(false)) ( "openmp-opt-enable-merging"  , cl::desc("Enable the OpenMP region merging optimization.")  , cl::Hidden  , cl::init(false)    )

static

EnableVerboseRemarks

cl::opt< bool > EnableVerboseRemarks("openmp-opt-verbose-remarks", cl::desc("Enables more verbose remarks."), cl::Hidden, cl::init(false)) ( "openmp-opt-verbose-remarks"  , cl::desc("Enables more verbose remarks.")  , cl::Hidden  , cl::init(false)    )

static

HideMemoryTransferLatency

cl::opt< bool > HideMemoryTransferLatency("openmp-hide-memory-transfer-latency", cl::desc("[WIP] Tries to hide the latency of host to device memory" " transfers"), cl::Hidden, cl::init(false)) ( "openmp-hide-memory-transfer-latency"  , cl::desc("[WIP] Tries to hide the latency of host to device memory" " transfers")  , cl::Hidden  , cl::init(false)    )

static

PrintICVValues

cl::opt< bool > PrintICVValues("openmp-print-icv-values", cl::init(false), cl::Hidden) ( "openmp-print-icv-values"  , cl::init(false)  , cl::Hidden    )

static

PrintModuleAfterOptimizations

cl::opt< bool > PrintModuleAfterOptimizations("openmp-opt-print-module-after", cl::desc("Print the current module after OpenMP optimizations."), cl::Hidden, cl::init(false)) ( "openmp-opt-print-module-after"  , cl::desc("Print the current module after OpenMP optimizations.")  , cl::Hidden  , cl::init(false)    )

static

Referenced by llvm::OpenMPOptCGSCCPass::run(), and llvm::OpenMPOptPass::run().

PrintModuleBeforeOptimizations

cl::opt< bool > PrintModuleBeforeOptimizations("openmp-opt-print-module-before", cl::desc("Print the current module before OpenMP optimizations."), cl::Hidden, cl::init(false)) ( "openmp-opt-print-module-before"  , cl::desc("Print the current module before OpenMP optimizations.")  , cl::Hidden  , cl::init(false)    )

static

Referenced by llvm::OpenMPOptCGSCCPass::run(), and llvm::OpenMPOptPass::run().

PrintOpenMPKernels

cl::opt< bool > PrintOpenMPKernels("openmp-print-gpu-kernels", cl::init(false), cl::Hidden) ( "openmp-print-gpu-kernels"  , cl::init(false)  , cl::Hidden    )

static

SetFixpointIterations

cl::opt< unsigned > SetFixpointIterations("openmp-opt-max-iterations", cl::Hidden, cl::desc("Maximal number of attributor iterations."), cl::init(256)) ( "openmp-opt-max-iterations"  , cl::Hidden  , cl::desc("Maximal number of attributor iterations.")  , cl::init(256)    )

static

SharedMemoryLimit

cl::opt< unsigned > SharedMemoryLimit("openmp-opt-shared-limit", cl::Hidden, cl::desc("Maximum amount of shared memory to use."), cl::init(std::numeric_limits< unsigned >::max())) ( "openmp-opt-shared-limit"  , cl::Hidden  , cl::desc("Maximum amount of shared memory to use.")  , cl::init(std::numeric_limits< unsigned >::max())    )

static

TAG

constexpr auto TAG = "[" DEBUG_TYPE "]"

staticconstexpr

Definition at line 184 of file OpenMPOpt.cpp.

Referenced by llvm::yaml::ScalarEnumerationTraits< WasmYAML::ExportKind >::enumeration(), llvm::yaml::ScalarEnumerationTraits< WasmYAML::SectionType >::enumeration(), llvm::yaml::ScalarEnumerationTraits< WasmYAML::SymbolKind >::enumeration(), llvm::OpenMPOptCGSCCPass::run(), llvm::OpenMPOptPass::run(), and llvm::wasm::sectionTypeToString().