LLVM  15.0.0git
Namespaces | Macros | Typedefs | Functions
RISCVISelDAGToDAG.cpp File Reference
#include "RISCVISelDAGToDAG.h"
#include "MCTargetDesc/RISCVMCTargetDesc.h"
#include "MCTargetDesc/RISCVMatInt.h"
#include "RISCVISelLowering.h"
#include "RISCVMachineFunctionInfo.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/IR/IntrinsicsRISCV.h"
#include "llvm/Support/Alignment.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/KnownBits.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/raw_ostream.h"
#include "RISCVGenSearchableTables.inc"
Include dependency graph for RISCVISelDAGToDAG.cpp:

Go to the source code of this file.

Namespaces

 llvm
 This is an optimization pass for GlobalISel generic memory operations.
 
 llvm::RISCV
 

Macros

#define DEBUG_TYPE   "riscv-isel"
 
#define GET_RISCVVSSEGTable_IMPL
 
#define GET_RISCVVLSEGTable_IMPL
 
#define GET_RISCVVLXSEGTable_IMPL
 
#define GET_RISCVVSXSEGTable_IMPL
 
#define GET_RISCVVLETable_IMPL
 
#define GET_RISCVVSETable_IMPL
 
#define GET_RISCVVLXTable_IMPL
 
#define GET_RISCVVSXTable_IMPL
 
#define GET_RISCVMaskedPseudosTable_IMPL
 
#define CASE_VMSLT_VMNAND_VMSET_OPCODES(lmulenum, suffix, suffix_b)
 
#define CASE_VMSLT_OPCODES(lmulenum, suffix, suffix_b)
 
#define CASE_VMXOR_VMANDN_VMOR_OPCODES(lmulenum, suffix)
 

Typedefs

using ValidateFn = bool(*)(int64_t)
 

Functions

static SDNode * selectImmWithConstantPool (SelectionDAG *CurDAG, const SDLoc &DL, const MVT VT, int64_t Imm, const RISCVSubtarget &Subtarget)
 
static SDNode * selectImm (SelectionDAG *CurDAG, const SDLoc &DL, const MVT VT, int64_t Imm, const RISCVSubtarget &Subtarget)
 
static SDValue createTupleImpl (SelectionDAG &CurDAG, ArrayRef< SDValue > Regs, unsigned RegClassID, unsigned SubReg0)
 
static SDValue createM1Tuple (SelectionDAG &CurDAG, ArrayRef< SDValue > Regs, unsigned NF)
 
static SDValue createM2Tuple (SelectionDAG &CurDAG, ArrayRef< SDValue > Regs, unsigned NF)
 
static SDValue createM4Tuple (SelectionDAG &CurDAG, ArrayRef< SDValue > Regs, unsigned NF)
 
static SDValue createTuple (SelectionDAG &CurDAG, ArrayRef< SDValue > Regs, unsigned NF, RISCVII::VLMUL LMUL)
 
static bool isAllUndef (ArrayRef< SDValue > Values)
 
static bool selectVSplatSimmHelper (SDValue N, SDValue &SplatVal, SelectionDAG &DAG, const RISCVSubtarget &Subtarget, ValidateFn ValidateImm)
 

Macro Definition Documentation

◆ CASE_VMSLT_OPCODES

#define CASE_VMSLT_OPCODES (   lmulenum,
  suffix,
  suffix_b 
)
Value:
case RISCVII::VLMUL::lmulenum: \
VMSLTOpcode = IsUnsigned ? RISCV::PseudoVMSLTU_VX_##suffix \
: RISCV::PseudoVMSLT_VX_##suffix; \
VMSLTMaskOpcode = IsUnsigned ? RISCV::PseudoVMSLTU_VX_##suffix##_MASK \
: RISCV::PseudoVMSLT_VX_##suffix##_MASK; \
break;

◆ CASE_VMSLT_VMNAND_VMSET_OPCODES

#define CASE_VMSLT_VMNAND_VMSET_OPCODES (   lmulenum,
  suffix,
  suffix_b 
)
Value:
case RISCVII::VLMUL::lmulenum: \
VMSLTOpcode = IsUnsigned ? RISCV::PseudoVMSLTU_VX_##suffix \
: RISCV::PseudoVMSLT_VX_##suffix; \
VMNANDOpcode = RISCV::PseudoVMNAND_MM_##suffix; \
VMSetOpcode = RISCV::PseudoVMSET_M_##suffix_b; \
break;

◆ CASE_VMXOR_VMANDN_VMOR_OPCODES

#define CASE_VMXOR_VMANDN_VMOR_OPCODES (   lmulenum,
  suffix 
)
Value:
case RISCVII::VLMUL::lmulenum: \
VMXOROpcode = RISCV::PseudoVMXOR_MM_##suffix; \
VMANDNOpcode = RISCV::PseudoVMANDN_MM_##suffix; \
VMOROpcode = RISCV::PseudoVMOR_MM_##suffix; \
break;

◆ DEBUG_TYPE

#define DEBUG_TYPE   "riscv-isel"

Definition at line 28 of file RISCVISelDAGToDAG.cpp.

◆ GET_RISCVMaskedPseudosTable_IMPL

#define GET_RISCVMaskedPseudosTable_IMPL

Definition at line 40 of file RISCVISelDAGToDAG.cpp.

◆ GET_RISCVVLETable_IMPL

#define GET_RISCVVLETable_IMPL

Definition at line 36 of file RISCVISelDAGToDAG.cpp.

◆ GET_RISCVVLSEGTable_IMPL

#define GET_RISCVVLSEGTable_IMPL

Definition at line 33 of file RISCVISelDAGToDAG.cpp.

◆ GET_RISCVVLXSEGTable_IMPL

#define GET_RISCVVLXSEGTable_IMPL

Definition at line 34 of file RISCVISelDAGToDAG.cpp.

◆ GET_RISCVVLXTable_IMPL

#define GET_RISCVVLXTable_IMPL

Definition at line 38 of file RISCVISelDAGToDAG.cpp.

◆ GET_RISCVVSETable_IMPL

#define GET_RISCVVSETable_IMPL

Definition at line 37 of file RISCVISelDAGToDAG.cpp.

◆ GET_RISCVVSSEGTable_IMPL

#define GET_RISCVVSSEGTable_IMPL

Definition at line 32 of file RISCVISelDAGToDAG.cpp.

◆ GET_RISCVVSXSEGTable_IMPL

#define GET_RISCVVSXSEGTable_IMPL

Definition at line 35 of file RISCVISelDAGToDAG.cpp.

◆ GET_RISCVVSXTable_IMPL

#define GET_RISCVVSXTable_IMPL

Definition at line 39 of file RISCVISelDAGToDAG.cpp.

Typedef Documentation

◆ ValidateFn

using ValidateFn = bool (*)(int64_t)

Definition at line 2006 of file RISCVISelDAGToDAG.cpp.

Function Documentation

◆ createM1Tuple()

static SDValue createM1Tuple ( SelectionDAG &  CurDAG,
ArrayRef< SDValue >  Regs,
unsigned  NF 
)
static

Definition at line 232 of file RISCVISelDAGToDAG.cpp.

References createTupleImpl().

Referenced by createTuple().

◆ createM2Tuple()

static SDValue createM2Tuple ( SelectionDAG &  CurDAG,
ArrayRef< SDValue >  Regs,
unsigned  NF 
)
static

Definition at line 242 of file RISCVISelDAGToDAG.cpp.

References createTupleImpl().

Referenced by createTuple().

◆ createM4Tuple()

static SDValue createM4Tuple ( SelectionDAG &  CurDAG,
ArrayRef< SDValue >  Regs,
unsigned  NF 
)
static

Definition at line 251 of file RISCVISelDAGToDAG.cpp.

References createTupleImpl().

Referenced by createTuple().

◆ createTuple()

static SDValue createTuple ( SelectionDAG &  CurDAG,
ArrayRef< SDValue >  Regs,
unsigned  NF,
RISCVII::VLMUL  LMUL 
)
static

Definition at line 257 of file RISCVISelDAGToDAG.cpp.

References createM1Tuple(), createM2Tuple(), createM4Tuple(), llvm_unreachable, llvm::XCoreISD::LMUL, llvm::RISCVII::LMUL_1, llvm::RISCVII::LMUL_2, llvm::RISCVII::LMUL_4, llvm::RISCVII::LMUL_F2, llvm::RISCVII::LMUL_F4, and llvm::RISCVII::LMUL_F8.

◆ createTupleImpl()

static SDValue createTupleImpl ( SelectionDAG &  CurDAG,
ArrayRef< SDValue >  Regs,
unsigned  RegClassID,
unsigned  SubReg0 
)
static

Definition at line 214 of file RISCVISelDAGToDAG.cpp.

References assert(), DL, llvm::SelectionDAG::getMachineNode(), llvm::SelectionDAG::getTargetConstant(), I, llvm::MVT::i32, N, llvm::ArrayRef< T >::size(), and llvm::MVT::Untyped.

Referenced by createM1Tuple(), createM2Tuple(), and createM4Tuple().

◆ isAllUndef()

static bool isAllUndef ( ArrayRef< SDValue >  Values)
static

Definition at line 319 of file RISCVISelDAGToDAG.cpp.

References llvm::all_of(), and llvm::SDNode::isUndef().

◆ selectImm()

static SDNode* selectImm ( SelectionDAG *  CurDAG,
const SDLoc &  DL,
const MVT  VT,
int64_t  Imm,
const RISCVSubtarget &  Subtarget 
)
static

Definition at line 176 of file RISCVISelDAGToDAG.cpp.

References DL, llvm::RISCVMatInt::generateInstSeq(), llvm::SelectionDAG::getMachineNode(), llvm::RISCVSubtarget::getMaxBuildIntsCost(), llvm::SelectionDAG::getRegister(), llvm::SelectionDAG::getTargetConstant(), llvm::RISCVSubtarget::getXLenVT(), llvm::RISCVMatInt::Imm, llvm::RISCVMatInt::RegImm, llvm::RISCVMatInt::RegReg, llvm::RISCVMatInt::RegX0, selectImmWithConstantPool(), and llvm::RISCVSubtarget::useConstantPoolForLargeInts().

◆ selectImmWithConstantPool()

static SDNode* selectImmWithConstantPool ( SelectionDAG *  CurDAG,
const SDLoc &  DL,
const MVT  VT,
int64_t  Imm,
const RISCVSubtarget &  Subtarget 
)
static

Definition at line 156 of file RISCVISelDAGToDAG.cpp.

References Addr, assert(), llvm::HexagonISD::CP, DL, llvm::ConstantInt::get(), llvm::RISCVTargetLowering::getAddr(), llvm::MachinePointerInfo::getConstantPool(), llvm::SelectionDAG::getConstantPool(), llvm::SelectionDAG::getContext(), llvm::SelectionDAG::getEntryNode(), llvm::SelectionDAG::getMachineFunction(), llvm::MachineFunction::getMachineMemOperand(), llvm::SelectionDAG::getMachineNode(), llvm::SelectionDAG::getTargetConstant(), llvm::RISCVSubtarget::getTargetLowering(), llvm::MVT::i64, llvm::RISCVMatInt::Imm, llvm::ARM_MB::LD, llvm::SPII::Load, llvm::MachineMemOperand::MOLoad, and llvm::SelectionDAG::setNodeMemRefs().

Referenced by selectImm().

◆ selectVSplatSimmHelper()

static bool selectVSplatSimmHelper ( SDValue  N,
SDValue &  SplatVal,
SelectionDAG &  DAG,
const RISCVSubtarget &  Subtarget,
ValidateFn  ValidateImm 
)
static

Definition at line 2008 of file RISCVISelDAGToDAG.cpp.

References assert(), llvm::MVT::bitsLT(), llvm::MVT::getSizeInBits(), llvm::SelectionDAG::getTargetConstant(), llvm::RISCVSubtarget::getXLenVT(), N, llvm::SignExtend64(), and llvm::RISCVISD::VMV_V_X_VL.

Referenced by llvm::RISCVDAGToDAGISel::selectVSplatSimm5(), llvm::RISCVDAGToDAGISel::selectVSplatSimm5Plus1(), and llvm::RISCVDAGToDAGISel::selectVSplatSimm5Plus1NonZero().

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