AMDGPUPerfHintAnalysis.cpp File Reference

Analyzes if a function potentially memory bound and if a kernel kernel may benefit from limiting number of waves to reduce cache thrashing. More...

#include "AMDGPUPerfHintAnalysis.h"
#include "AMDGPU.h"
#include "AMDGPUTargetMachine.h"
#include "Utils/AMDGPUBaseInfo.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Analysis/CallGraph.h"
#include "llvm/Analysis/CallGraphSCCPass.h"
#include "llvm/Analysis/LazyCallGraph.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/CodeGen/TargetLowering.h"
#include "llvm/CodeGen/TargetPassConfig.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/Target/TargetMachine.h"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "amdgpu-perf-hint"

Functions
	STATISTIC (NumMemBound, "Number of functions marked as memory bound")
	STATISTIC (NumLimitWave, "Number of functions marked as needing limit wave")
	INITIALIZE_PASS (AMDGPUPerfHintAnalysisLegacy, DEBUG_TYPE, "Analysis if a function is memory bound", true, true) bool AMDGPUPerfHintAnalysisLegacy

Detailed Description

Analyzes if a function potentially memory bound and if a kernel kernel may benefit from limiting number of waves to reduce cache thrashing.

Definition in file AMDGPUPerfHintAnalysis.cpp.

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "amdgpu-perf-hint"

Definition at line 33 of file AMDGPUPerfHintAnalysis.cpp.

Function Documentation

INITIALIZE_PASS()

INITIALIZE_PASS	(	AMDGPUPerfHintAnalysisLegacy	,
		DEBUG_TYPE	,
		"Analysis if a function is memory bound"	,
		true	,
		true	)

Definition at line 461 of file AMDGPUPerfHintAnalysis.cpp.

References DEBUG_TYPE.

STATISTIC() [1/2]

STATISTIC	(	NumLimitWave	,
		"Number of functions marked as needing limit wave"	)

References TLI.

STATISTIC() [2/2]

STATISTIC	(	NumMemBound	,
		"Number of functions marked as memory bound"	)