AMDGPUResourceUsageAnalysis.cpp File Reference

Analyzes how many registers and other resources are used by functions. More...

#include "AMDGPUResourceUsageAnalysis.h"
#include "AMDGPU.h"
#include "AMDGPUTargetMachine.h"
#include "GCNSubtarget.h"
#include "SIMachineFunctionInfo.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/TargetPassConfig.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/Target/TargetMachine.h"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "amdgpu-resource-usage"

Functions
	INITIALIZE_PASS (AMDGPUResourceUsageAnalysisWrapperPass, DEBUG_TYPE, "Function register usage analysis", true, true) static const Function *getCalleeFunction(const MachineOperand &Op)
static bool	hasAnyNonFlatUseOfReg (const MachineRegisterInfo &MRI, const SIInstrInfo &TII, unsigned Reg)

Detailed Description

Analyzes how many registers and other resources are used by functions.

The results of this analysis are used to fill the register usage, flat usage, etc. into hardware registers.

Definition in file AMDGPUResourceUsageAnalysis.cpp.

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "amdgpu-resource-usage"

Definition at line 32 of file AMDGPUResourceUsageAnalysis.cpp.

Function Documentation

hasAnyNonFlatUseOfReg()

bool hasAnyNonFlatUseOfReg ( const MachineRegisterInfo & MRI, const SIInstrInfo & TII, unsigned Reg )

static

Definition at line 49 of file AMDGPUResourceUsageAnalysis.cpp.

References MRI, Reg, and TII.

Referenced by llvm::AMDGPUResourceUsageAnalysisImpl::analyzeResourceUsage().

INITIALIZE_PASS()

INITIALIZE_PASS	(	AMDGPUResourceUsageAnalysisWrapperPass	,
		DEBUG_TYPE	,
		"Function register usage analysis"	,
		true	,
		true	) const &

Definition at line 38 of file AMDGPUResourceUsageAnalysis.cpp.

References llvm::cast(), const, and DEBUG_TYPE.