MemoryProfileInfo.cpp File Reference

#include "llvm/Analysis/MemoryProfileInfo.h"
#include "llvm/Support/CommandLine.h"

Include dependency graph for MemoryProfileInfo.cpp:

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "memory-profile-info"

Functions
static std::string	getAllocTypeAttributeString (AllocationType Type)
static void	addAllocTypeAttribute (LLVMContext &Ctx, CallBase *CI, AllocationType AllocType)
static bool	hasSingleAllocType (uint8_t AllocTypes)
static MDNode *	createMIBNode (LLVMContext &Ctx, std::vector< uint64_t > &MIBCallStack, AllocationType AllocType)

Variables
cl::opt< float >	MemProfAccessesPerByteColdThreshold ("memprof-accesses-per-byte-cold-threshold", cl::init(10.0), cl::Hidden, cl::desc("The threshold the accesses per byte must be under to consider " "an allocation cold"))
cl::opt< unsigned >	MemProfMinLifetimeColdThreshold ("memprof-min-lifetime-cold-threshold", cl::init(200), cl::Hidden, cl::desc("The minimum lifetime (s) for an allocation to be considered " "cold"))

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "memory-profile-info"

Definition at line 19 of file MemoryProfileInfo.cpp.

Function Documentation

addAllocTypeAttribute()

static void addAllocTypeAttribute ( LLVMContext &  Ctx, CallBase *  CI, AllocationType  AllocType  )

static

Definition at line 87 of file MemoryProfileInfo.cpp.

References A, llvm::CallBase::addFnAttr(), llvm::Attribute::get(), and getAllocTypeAttributeString().

Referenced by llvm::memprof::CallStackTrie::buildAndAttachMIBMetadata().

createMIBNode()

static MDNode * createMIBNode ( LLVMContext &  Ctx, std::vector< uint64_t > &  MIBCallStack, AllocationType  AllocType  )

static

Definition at line 146 of file MemoryProfileInfo.cpp.

References llvm::memprof::buildCallstackMetadata(), llvm::MDNode::get(), llvm::MDString::get(), and getAllocTypeAttributeString().

getAllocTypeAttributeString()

static std::string getAllocTypeAttributeString ( AllocationType  Type )

static

Definition at line 73 of file MemoryProfileInfo.cpp.

References assert(), and llvm_unreachable.

Referenced by addAllocTypeAttribute(), and createMIBNode().

hasSingleAllocType()

static bool hasSingleAllocType ( uint8_t  AllocTypes )

static

Definition at line 94 of file MemoryProfileInfo.cpp.

References assert(), and llvm::popcount().

Referenced by llvm::memprof::CallStackTrie::buildAndAttachMIBMetadata().

Variable Documentation

MemProfAccessesPerByteColdThreshold

cl::opt< float > MemProfAccessesPerByteColdThreshold("memprof-accesses-per-byte-cold-threshold", cl::init(10.0), cl::Hidden, cl::desc("The threshold the accesses per byte must be under to consider " "an allocation cold"))	(	"memprof-accesses-per-byte-cold-threshold"	,
		cl::init(10.0)	,
		cl::Hidden	,
		cl::desc("The threshold the accesses per byte must be under to consider " "an allocation cold")
	)

Referenced by llvm::memprof::getAllocType().

MemProfMinLifetimeColdThreshold

cl::opt< unsigned > MemProfMinLifetimeColdThreshold("memprof-min-lifetime-cold-threshold", cl::init(200), cl::Hidden, cl::desc("The minimum lifetime (s) for an allocation to be considered " "cold"))	(	"memprof-min-lifetime-cold-threshold"	,
		cl::init(200)	,
		cl::Hidden	,
		cl::desc("The minimum lifetime (s) for an allocation to be considered " "cold")
	)

Referenced by llvm::memprof::getAllocType().