AMDGPUSubtarget.cpp File Reference

Implements the AMDGPU specific subclass of TargetSubtarget. More...

#include "AMDGPUSubtarget.h"
#include "AMDGPUCallLowering.h"
#include "AMDGPUInstructionSelector.h"
#include "AMDGPULegalizerInfo.h"
#include "AMDGPURegisterBankInfo.h"
#include "AMDGPUTargetMachine.h"
#include "GCNSubtarget.h"
#include "R600Subtarget.h"
#include "SIMachineFunctionInfo.h"
#include "Utils/AMDGPUBaseInfo.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/CodeGen/GlobalISel/InlineAsmLowering.h"
#include "llvm/CodeGen/MachineScheduler.h"
#include "llvm/CodeGen/TargetFrameLowering.h"
#include "llvm/IR/IntrinsicsAMDGPU.h"
#include "llvm/IR/IntrinsicsR600.h"
#include "llvm/IR/MDBuilder.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include <algorithm>
#include "AMDGPUGenSubtargetInfo.inc"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "amdgpu-subtarget"
#define	GET_SUBTARGETINFO_TARGET_DESC
#define	GET_SUBTARGETINFO_CTOR
#define	AMDGPUSubtarget   GCNSubtarget

Functions
static unsigned	getReqdWorkGroupSize (const Function &Kernel, unsigned Dim)
static unsigned	getMaxNumPreloadedSGPRs ()

Variables
static cl::opt< bool >	EnablePowerSched ("amdgpu-enable-power-sched", cl::desc("Enable scheduling to minimize mAI power bursts"), cl::init(false))
static cl::opt< bool >	EnableVGPRIndexMode ("amdgpu-vgpr-index-mode", cl::desc("Use GPR indexing mode instead of movrel for vector indexing"), cl::init(false))
static cl::opt< bool >	UseAA ("amdgpu-use-aa-in-codegen", cl::desc("Enable the use of AA during codegen."), cl::init(true))
static cl::opt< unsigned >	NSAThreshold ("amdgpu-nsa-threshold", cl::desc("Number of addresses from which to enable MIMG NSA."), cl::init(3), cl::Hidden)

Detailed Description

Implements the AMDGPU specific subclass of TargetSubtarget.

Definition in file AMDGPUSubtarget.cpp.

Macro Definition Documentation

AMDGPUSubtarget

#define AMDGPUSubtarget   GCNSubtarget

Definition at line 40 of file AMDGPUSubtarget.cpp.

DEBUG_TYPE

#define DEBUG_TYPE   "amdgpu-subtarget"

Definition at line 36 of file AMDGPUSubtarget.cpp.

GET_SUBTARGETINFO_CTOR

#define GET_SUBTARGETINFO_CTOR

Definition at line 39 of file AMDGPUSubtarget.cpp.

GET_SUBTARGETINFO_TARGET_DESC

#define GET_SUBTARGETINFO_TARGET_DESC

Definition at line 38 of file AMDGPUSubtarget.cpp.

Function Documentation

getMaxNumPreloadedSGPRs()

static unsigned getMaxNumPreloadedSGPRs ( )

static

Definition at line 793 of file AMDGPUSubtarget.cpp.

Referenced by llvm::GCNSubtarget::getMaxNumSGPRs().

getReqdWorkGroupSize()

static unsigned getReqdWorkGroupSize ( const Function &  Kernel, unsigned  Dim  )

static

Definition at line 470 of file AMDGPUSubtarget.cpp.

References llvm::GlobalObject::getMetadata().

Referenced by llvm::AMDGPUSubtarget::getMaxWorkitemID(), and llvm::AMDGPUSubtarget::makeLIDRangeMetadata().

Variable Documentation

EnablePowerSched

cl::opt< bool > EnablePowerSched("amdgpu-enable-power-sched", cl::desc("Enable scheduling to minimize mAI power bursts"), cl::init(false)) ( "amdgpu-enable-power-sched"  , cl::desc("Enable scheduling to minimize mAI power bursts")  , cl::init(false)    )

static

Referenced by llvm::GCNSubtarget::createFillMFMAShadowMutation().

EnableVGPRIndexMode

cl::opt< bool > EnableVGPRIndexMode("amdgpu-vgpr-index-mode", cl::desc("Use GPR indexing mode instead of movrel for vector indexing"), cl::init(false)) ( "amdgpu-vgpr-index-mode"  , cl::desc("Use GPR indexing mode instead of movrel for vector indexing")  , cl::init(false)    )

static

Referenced by llvm::GCNSubtarget::useVGPRIndexMode().

NSAThreshold

cl::opt< unsigned > NSAThreshold("amdgpu-nsa-threshold", cl::desc("Number of addresses from which to enable MIMG NSA."), cl::init(3), cl::Hidden) ( "amdgpu-nsa-threshold"  , cl::desc("Number of addresses from which to enable MIMG NSA.")  , cl::init(3)  , cl::Hidden    )

static

Referenced by llvm::GCNSubtarget::getNSAThreshold().

UseAA

cl::opt< bool > UseAA("amdgpu-use-aa-in-codegen", cl::desc("Enable the use of AA during codegen."), cl::init(true)) ( "amdgpu-use-aa-in-codegen"  , cl::desc("Enable the use of AA during codegen.")  , cl::init(true)    )

static