AMDGPUISelDAGToDAG.cpp File Reference

Defines an instruction selector for the AMDGPU target. More...

#include "AMDGPUISelDAGToDAG.h"
#include "AMDGPU.h"
#include "AMDGPUInstrInfo.h"
#include "AMDGPUSubtarget.h"
#include "AMDGPUTargetMachine.h"
#include "MCTargetDesc/AMDGPUMCTargetDesc.h"
#include "MCTargetDesc/R600MCTargetDesc.h"
#include "R600RegisterInfo.h"
#include "SIMachineFunctionInfo.h"
#include "llvm/Analysis/UniformityAnalysis.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/CodeGen/FunctionLoweringInfo.h"
#include "llvm/CodeGen/SelectionDAG.h"
#include "llvm/CodeGen/SelectionDAGISel.h"
#include "llvm/CodeGen/SelectionDAGNodes.h"
#include "llvm/IR/IntrinsicsAMDGPU.h"
#include "llvm/InitializePasses.h"
#include "llvm/Support/ErrorHandling.h"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "amdgpu-isel"

Functions
	INITIALIZE_PASS_BEGIN (AMDGPUDAGToDAGISel, "amdgpu-isel", "AMDGPU DAG->DAG Pattern Instruction Selection", false, false) INITIALIZE_PASS_END(AMDGPUDAGToDAGISel
static bool	getBaseWithOffsetUsingSplitOR (SelectionDAG &DAG, SDValue Addr, SDValue &N0, SDValue &N1)
static bool	IsCopyFromSGPR (const SIRegisterInfo &TRI, SDValue Val)
static MemSDNode *	findMemSDNode (SDNode *N)
static SDValue	matchZExtFromI32 (SDValue Op)
static SDValue	SelectSAddrFI (SelectionDAG *CurDAG, SDValue SAddr)
static unsigned	gwsIntrinToOpcode (unsigned IntrID)

Variables
amdgpu	isel
amdgpu AMDGPU DAG DAG Pattern Instruction	Selection
amdgpu AMDGPU DAG DAG Pattern Instruction	false

Detailed Description

Defines an instruction selector for the AMDGPU target.

Definition in file AMDGPUISelDAGToDAG.cpp.

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "amdgpu-isel"

Definition at line 38 of file AMDGPUISelDAGToDAG.cpp.

Function Documentation

findMemSDNode()

static MemSDNode * findMemSDNode ( SDNode *  N )

static

Definition at line 1525 of file AMDGPUISelDAGToDAG.cpp.

References assert(), llvm::SDValue::getNode(), llvm_unreachable, N, and llvm::AMDGPUTargetLowering::stripBitcast().

getBaseWithOffsetUsingSplitOR()

static bool getBaseWithOffsetUsingSplitOR ( SelectionDAG &  DAG, SDValue  Addr, SDValue &  N0, SDValue &  N1  )

static

Definition at line 729 of file AMDGPUISelDAGToDAG.cpp.

References Addr, llvm::ISD::BITCAST, llvm::ISD::BUILD_VECTOR, llvm::ISD::EXTRACT_VECTOR_ELT, llvm::SDValue::getConstantOperandVal(), llvm::SDValue::getOpcode(), llvm::SDValue::getOperand(), llvm::SelectionDAG::isBaseWithConstantOffset(), llvm::Lo, and llvm::ISD::OR.

gwsIntrinToOpcode()

static unsigned gwsIntrinToOpcode ( unsigned  IntrID )

static

Definition at line 2378 of file AMDGPUISelDAGToDAG.cpp.

References llvm_unreachable.

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	AMDGPUDAGToDAGISel	,
		"amdgpu-isel"	,
		"AMDGPU DAG->DAG Pattern Instruction Selection"	,
		false	,
		false
	)

IsCopyFromSGPR()

static bool IsCopyFromSGPR ( const SIRegisterInfo &  TRI, SDValue  Val  )

static

Definition at line 1444 of file AMDGPUISelDAGToDAG.cpp.

References llvm::ISD::CopyFromReg, llvm::SDValue::getOpcode(), llvm::SDValue::getOperand(), and TRI.

matchZExtFromI32()

static SDValue matchZExtFromI32 ( SDValue  Op )

static

Definition at line 1651 of file AMDGPUISelDAGToDAG.cpp.

References llvm::SDValue::getValueType(), and llvm::ISD::ZERO_EXTEND.

SelectSAddrFI()

static SDValue SelectSAddrFI ( SelectionDAG *  CurDAG, SDValue  SAddr  )

static

Definition at line 1755 of file AMDGPUISelDAGToDAG.cpp.

References llvm::ISD::ADD, llvm::SelectionDAG::getMachineNode(), llvm::SDValue::getOpcode(), llvm::SDValue::getOperand(), and llvm::SelectionDAG::getTargetFrameIndex().

Variable Documentation

false

amdgpu AMDGPU DAG DAG Pattern Instruction false

Definition at line 110 of file AMDGPUISelDAGToDAG.cpp.

isel

amdgpu isel

Definition at line 109 of file AMDGPUISelDAGToDAG.cpp.

Selection

amdgpu AMDGPU DAG DAG Pattern Instruction Selection

Definition at line 110 of file AMDGPUISelDAGToDAG.cpp.

Referenced by llvm::logicalview::LVPatterns::addRequest(), llvm::MCContext::getCOFFSection(), llvm::TargetLoweringObjectFileCOFF::getExplicitSectionGlobal(), llvm::ReservoirSampler< T, GenT >::getSelection(), llvm::MCSectionCOFF::getSelection(), llvm::ReservoirSampler< T, GenT >::sample(), llvm::TargetLoweringObjectFileCOFF::SelectSectionForGlobal(), and llvm::MCSectionCOFF::setSelection().