LLVM 22.0.0git
Macros | Functions | Variables
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 "SIISelLowering.h"
#include "SIMachineFunctionInfo.h"
#include "llvm/Analysis/UniformityAnalysis.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 (AMDGPUDAGToDAGISelLegacy, "amdgpu-isel", "AMDGPU DAG->DAG Pattern Instruction Selection", false, false) INITIALIZE_PASS_END(AMDGPUDAGToDAGISelLegacy
static bool getBaseWithOffsetUsingSplitOR (SelectionDAG &DAG, SDValue Addr, SDValue &N0, SDValue &N1)
static bool isNoUnsignedWrap (SDValue Addr)
static bool IsCopyFromSGPR (const SIRegisterInfo &TRI, SDValue Val)
static MemSDNode * findMemSDNode (SDNode *N)
static SDValue matchExtFromI32orI32 (SDValue Op, bool IsSigned, const SelectionDAG *DAG)
static SDValue SelectSAddrFI (SelectionDAG *CurDAG, SDValue SAddr)
static SDValue combineBallotPattern (SDValue VCMP, bool &Negate)
static unsigned gwsIntrinToOpcode (unsigned IntrID)
static MachineSDNode * buildRegSequence32 (SmallVectorImpl< SDValue > &Elts, llvm::SelectionDAG *CurDAG, const SDLoc &DL)
static MachineSDNode * buildRegSequence16 (SmallVectorImpl< SDValue > &Elts, llvm::SelectionDAG *CurDAG, const SDLoc &DL)
static MachineSDNode * buildRegSequence (SmallVectorImpl< SDValue > &Elts, llvm::SelectionDAG *CurDAG, const SDLoc &DL, unsigned ElementSize)
static void selectWMMAModsNegAbs (unsigned ModOpcode, unsigned &Mods, SmallVectorImpl< SDValue > &Elts, SDValue &Src, llvm::SelectionDAG *CurDAG, const SDLoc &DL, unsigned ElementSize)
static void checkWMMAElementsModifiersF16 (BuildVectorSDNode *BV, std::function< bool(SDValue)> ModifierCheck)
static SDValue matchBF16FPExtendLike (SDValue Op, bool &IsExtractHigh)
static std::pair< unsigned, uint8_t > BitOp3_Op (SDValue In, SmallVectorImpl< SDValue > &Src)

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

◆ BitOp3_Op()

std::pair< unsigned, uint8_t > BitOp3_Op ( SDValue In,
SmallVectorImpl< SDValue > & Src )
static

Definition at line 4132 of file AMDGPUISelDAGToDAG.cpp.

References llvm::ISD::AND, BitOp3_Op(), llvm::CallingConv::C, llvm::dyn_cast(), I, LHS, llvm::ISD::OR, RHS, and llvm::ISD::XOR.

◆ buildRegSequence()

MachineSDNode * buildRegSequence ( SmallVectorImpl< SDValue > & Elts,
llvm::SelectionDAG * CurDAG,
const SDLoc & DL,
unsigned ElementSize )
static

Definition at line 3664 of file AMDGPUISelDAGToDAG.cpp.

References buildRegSequence16(), buildRegSequence32(), DL, and llvm_unreachable.

◆ buildRegSequence16()

MachineSDNode * buildRegSequence16 ( SmallVectorImpl< SDValue > & Elts,
llvm::SelectionDAG * CurDAG,
const SDLoc & DL )
static

Definition at line 3638 of file AMDGPUISelDAGToDAG.cpp.

References assert(), buildRegSequence32(), DL, llvm::SelectionDAG::getMachineNode(), llvm::SelectionDAG::getTargetConstant(), isExtractHiElt(), llvm::SmallVectorTemplateBase< T, bool >::push_back(), SDValue(), and llvm::SmallVectorTemplateCommon< T, typename >::size().

Referenced by buildRegSequence().

◆ buildRegSequence32()

MachineSDNode * buildRegSequence32 ( SmallVectorImpl< SDValue > & Elts,
llvm::SelectionDAG * CurDAG,
const SDLoc & DL )
static

Definition at line 3606 of file AMDGPUISelDAGToDAG.cpp.

References AbstractManglingParser< Derived, Alloc >::Ops, DL, llvm::SelectionDAG::getMachineNode(), llvm::SIRegisterInfo::getSubRegFromChannel(), llvm::SelectionDAG::getTargetConstant(), llvm_unreachable, and llvm::SmallVectorTemplateCommon< T, typename >::size().

Referenced by buildRegSequence(), and buildRegSequence16().

◆ checkWMMAElementsModifiersF16()

void checkWMMAElementsModifiersF16 ( BuildVectorSDNode * BV,
std::function< bool(SDValue)> ModifierCheck )
static

Definition at line 3706 of file AMDGPUISelDAGToDAG.cpp.

References llvm::dyn_cast(), llvm::SDNode::getNumOperands(), and llvm::SDNode::getOperand().

◆ combineBallotPattern()

SDValue combineBallotPattern ( SDValue VCMP,
bool & Negate )
static

Definition at line 2774 of file AMDGPUISelDAGToDAG.cpp.

References assert(), llvm::cast(), Cond, llvm::isBoolSGPR(), llvm::ISD::isExtOpcode(), llvm::isNullConstant(), SDValue(), llvm::AMDGPUISD::SETCC, llvm::ISD::SETEQ, and llvm::ISD::SETNE.

◆ findMemSDNode()

MemSDNode * findMemSDNode ( SDNode * N)
static

Definition at line 1793 of file AMDGPUISelDAGToDAG.cpp.

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

◆ getBaseWithOffsetUsingSplitOR()

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

Definition at line 882 of file AMDGPUISelDAGToDAG.cpp.

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

◆ gwsIntrinToOpcode()

unsigned gwsIntrinToOpcode ( unsigned IntrID)
static

Definition at line 2968 of file AMDGPUISelDAGToDAG.cpp.

References llvm_unreachable.

◆ INITIALIZE_PASS_BEGIN()

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

References INITIALIZE_PASS_DEPENDENCY.

◆ IsCopyFromSGPR()

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

Definition at line 1702 of file AMDGPUISelDAGToDAG.cpp.

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

◆ isNoUnsignedWrap()

bool isNoUnsignedWrap ( SDValue Addr)
static

Definition at line 1337 of file AMDGPUISelDAGToDAG.cpp.

References llvm::ISD::ADD, llvm::SDNode::getFlags(), llvm::SDNode::getOpcode(), llvm::SDValue::getOpcode(), llvm::SDNodeFlags::hasNoUnsignedWrap(), and llvm::ISD::OR.

◆ matchBF16FPExtendLike()

SDValue matchBF16FPExtendLike ( SDValue Op,
bool & IsExtractHigh )
static

Definition at line 3998 of file AMDGPUISelDAGToDAG.cpp.

References llvm::ISD::AND, llvm::ISD::BUILD_VECTOR, llvm::dyn_cast(), llvm::ConstantSDNode::getZExtValue(), SDValue(), and llvm::ISD::SHL.

◆ matchExtFromI32orI32()

SDValue matchExtFromI32orI32 ( SDValue Op,
bool IsSigned,
const SelectionDAG * DAG )
static

Definition at line 1921 of file AMDGPUISelDAGToDAG.cpp.

References llvm::ISD::ANY_EXTEND, llvm::SDValue::getValueType(), SDValue(), llvm::ISD::SIGN_EXTEND, llvm::SelectionDAG::SignBitIsZero(), and llvm::ISD::ZERO_EXTEND.

◆ SelectSAddrFI()

SDValue SelectSAddrFI ( SelectionDAG * CurDAG,
SDValue SAddr )
static

Definition at line 2158 of file AMDGPUISelDAGToDAG.cpp.

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

◆ selectWMMAModsNegAbs()

void selectWMMAModsNegAbs ( unsigned ModOpcode,
unsigned & Mods,
SmallVectorImpl< SDValue > & Elts,
SDValue & Src,
llvm::SelectionDAG * CurDAG,
const SDLoc & DL,
unsigned ElementSize )
static

Definition at line 3674 of file AMDGPUISelDAGToDAG.cpp.

References assert(), buildRegSequence(), DL, llvm::SISrcMods::NEG, llvm::SISrcMods::NEG_HI, llvm::SmallVectorTemplateBase< T, bool >::push_back(), SDValue(), and llvm::SmallVectorTemplateCommon< T, typename >::size().

Variable Documentation

◆ false

amdgpu AMDGPU DAG DAG Pattern Instruction false

Definition at line 145 of file AMDGPUISelDAGToDAG.cpp.

◆ isel

amdgpu isel

Definition at line 144 of file AMDGPUISelDAGToDAG.cpp.

◆ Selection

amdgpu AMDGPU DAG DAG Pattern Instruction Selection

Definition at line 145 of file AMDGPUISelDAGToDAG.cpp.

Referenced by llvm::logicalview::LVPatterns::addRequest(), llvm::logicalview::LVPatterns::addRequest(), llvm::logicalview::LVPatterns::addRequest(), llvm::logicalview::LVPatterns::addRequest(), llvm::logicalview::LVPatterns::addRequest(), llvm::MCContext::getCOFFSection(), llvm::TargetLoweringObjectFileCOFF::getExplicitSectionGlobal(), llvm::MCObjectFileInfo::getPseudoProbeSection(), and llvm::TargetLoweringObjectFileCOFF::SelectSectionForGlobal().

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