LLVM  16.0.0git
Public Member Functions | Static Public Member Functions | Static Public Attributes | List of all members
llvm::WebAssemblyFunctionInfo Class Referencefinal

This class is derived from MachineFunctionInfo and contains private WebAssembly-specific information for each MachineFunction. More...

#include "Target/WebAssembly/WebAssemblyMachineFunctionInfo.h"

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Public Member Functions

 WebAssemblyFunctionInfo (MachineFunction &)
 
 ~WebAssemblyFunctionInfo () override
 
MachineFunctionInfo * clone (BumpPtrAllocator &Allocator, MachineFunction &DestMF, const DenseMap< MachineBasicBlock *, MachineBasicBlock * > &Src2DstMBB) const override
 Make a functionally equivalent copy of this MachineFunctionInfo in MF. More...
 
void initializeBaseYamlFields (MachineFunction &MF, const yaml::WebAssemblyFunctionInfo &YamlMFI)
 
void addParam (MVT VT)
 
const std::vector< MVT > & getParams () const
 
void addResult (MVT VT)
 
const std::vector< MVT > & getResults () const
 
void clearParamsAndResults ()
 
void setNumLocals (size_t NumLocals)
 
void setLocal (size_t i, MVT VT)
 
void addLocal (MVT VT)
 
const std::vector< MVT > & getLocals () const
 
unsigned getVarargBufferVreg () const
 
void setVarargBufferVreg (unsigned Reg)
 
unsigned getBasePointerVreg () const
 
void setFrameBaseVreg (unsigned Reg)
 
unsigned getFrameBaseVreg () const
 
void clearFrameBaseVreg ()
 
bool isFrameBaseVirtual () const
 
void setFrameBaseLocal (unsigned Local)
 
unsigned getFrameBaseLocal () const
 
void setBasePointerVreg (unsigned Reg)
 
void stackifyVReg (MachineRegisterInfo &MRI, unsigned VReg)
 
void unstackifyVReg (unsigned VReg)
 
bool isVRegStackified (unsigned VReg) const
 
void initWARegs (MachineRegisterInfo &MRI)
 
void setWAReg (unsigned VReg, unsigned WAReg)
 
unsigned getWAReg (unsigned VReg) const
 
bool isCFGStackified () const
 
void setCFGStackified (bool Value=true)
 
- Public Member Functions inherited from llvm::MachineFunctionInfo
virtual ~MachineFunctionInfo ()
 

Static Public Member Functions

static unsigned getWARegStackId (unsigned Reg)
 
- Static Public Member Functions inherited from llvm::MachineFunctionInfo
template<typename Ty >
static Ty * create (BumpPtrAllocator &Allocator, MachineFunction &MF)
 Factory function: default behavior is to call new using the supplied allocator. More...
 
template<typename Ty >
static Ty * create (BumpPtrAllocator &Allocator, const Ty &MFI)
 

Static Public Attributes

static const unsigned UnusedReg = -1u
 

Detailed Description

This class is derived from MachineFunctionInfo and contains private WebAssembly-specific information for each MachineFunction.

Definition at line 33 of file WebAssemblyMachineFunctionInfo.h.

Constructor & Destructor Documentation

◆ WebAssemblyFunctionInfo()

llvm::WebAssemblyFunctionInfo::WebAssemblyFunctionInfo ( MachineFunction &  )
inlineexplicit

Definition at line 68 of file WebAssemblyMachineFunctionInfo.h.

◆ ~WebAssemblyFunctionInfo()

WebAssemblyFunctionInfo::~WebAssemblyFunctionInfo ( )
overridedefault

Member Function Documentation

◆ addLocal()

void llvm::WebAssemblyFunctionInfo::addLocal ( MVT  VT)
inline

Definition at line 92 of file WebAssemblyMachineFunctionInfo.h.

Referenced by llvm::WebAssemblyFrameLowering::getLocalForStackObject().

◆ addParam()

void llvm::WebAssemblyFunctionInfo::addParam ( MVT  VT)
inline

Definition at line 79 of file WebAssemblyMachineFunctionInfo.h.

◆ addResult()

void llvm::WebAssemblyFunctionInfo::addResult ( MVT  VT)
inline

Definition at line 82 of file WebAssemblyMachineFunctionInfo.h.

References Results.

◆ clearFrameBaseVreg()

void llvm::WebAssemblyFunctionInfo::clearFrameBaseVreg ( )
inline

Definition at line 110 of file WebAssemblyMachineFunctionInfo.h.

◆ clearParamsAndResults()

void llvm::WebAssemblyFunctionInfo::clearParamsAndResults ( )
inline

Definition at line 85 of file WebAssemblyMachineFunctionInfo.h.

References Results.

◆ clone()

MachineFunctionInfo * WebAssemblyFunctionInfo::clone ( BumpPtrAllocator &  Allocator,
MachineFunction &  DestMF,
const DenseMap< MachineBasicBlock *, MachineBasicBlock * > &  Src2DstMBB 
) const
overridevirtual

Make a functionally equivalent copy of this MachineFunctionInfo in MF.

This requires remapping MachineBasicBlock references from the original parent to values in the new function. Targets may assume that virtual register and frame index values are preserved in the new function.

Reimplemented from llvm::MachineFunctionInfo.

Definition at line 27 of file WebAssemblyMachineFunctionInfo.cpp.

References llvm::MachineFunction::cloneInfo().

◆ getBasePointerVreg()

unsigned llvm::WebAssemblyFunctionInfo::getBasePointerVreg ( ) const
inline

Definition at line 101 of file WebAssemblyMachineFunctionInfo.h.

References assert().

Referenced by llvm::WebAssemblyFrameLowering::emitEpilogue().

◆ getFrameBaseLocal()

unsigned llvm::WebAssemblyFunctionInfo::getFrameBaseLocal ( ) const
inline

Definition at line 114 of file WebAssemblyMachineFunctionInfo.h.

References assert().

Referenced by llvm::WebAssemblyFrameLowering::getDwarfFrameBase().

◆ getFrameBaseVreg()

unsigned llvm::WebAssemblyFunctionInfo::getFrameBaseVreg ( ) const
inline

Definition at line 106 of file WebAssemblyMachineFunctionInfo.h.

References assert().

Referenced by checkFrameBase(), and llvm::WebAssemblyRegisterInfo::getFrameRegister().

◆ getLocals()

const std::vector<MVT>& llvm::WebAssemblyFunctionInfo::getLocals ( ) const
inline

Definition at line 93 of file WebAssemblyMachineFunctionInfo.h.

Referenced by llvm::WebAssemblyAsmPrinter::emitFunctionBodyStart(), and llvm::WebAssemblyFrameLowering::getLocalForStackObject().

◆ getParams()

const std::vector<MVT>& llvm::WebAssemblyFunctionInfo::getParams ( ) const
inline

Definition at line 80 of file WebAssemblyMachineFunctionInfo.h.

Referenced by llvm::WebAssemblyFrameLowering::getLocalForStackObject(), and llvm::yaml::WebAssemblyFunctionInfo::WebAssemblyFunctionInfo().

◆ getResults()

const std::vector<MVT>& llvm::WebAssemblyFunctionInfo::getResults ( ) const
inline

Definition at line 83 of file WebAssemblyMachineFunctionInfo.h.

References Results.

Referenced by llvm::yaml::WebAssemblyFunctionInfo::WebAssemblyFunctionInfo().

◆ getVarargBufferVreg()

unsigned llvm::WebAssemblyFunctionInfo::getVarargBufferVreg ( ) const
inline

Definition at line 95 of file WebAssemblyMachineFunctionInfo.h.

References assert().

◆ getWAReg()

unsigned llvm::WebAssemblyFunctionInfo::getWAReg ( unsigned  VReg) const
inline

Definition at line 148 of file WebAssemblyMachineFunctionInfo.h.

References assert(), I, and llvm::Register::virtReg2Index().

Referenced by llvm::WebAssemblyMCInstLower::lower(), and llvm::WebAssemblyAsmPrinter::regToString().

◆ getWARegStackId()

static unsigned llvm::WebAssemblyFunctionInfo::getWARegStackId ( unsigned  Reg)
inlinestatic

Definition at line 155 of file WebAssemblyMachineFunctionInfo.h.

References assert().

Referenced by llvm::WebAssemblyInstPrinter::printOperand().

◆ initializeBaseYamlFields()

void WebAssemblyFunctionInfo::initializeBaseYamlFields ( MachineFunction &  MF,
const yaml::WebAssemblyFunctionInfo &  YamlMFI 
)

Definition at line 154 of file WebAssemblyMachineFunctionInfo.cpp.

References llvm::yaml::WebAssemblyFunctionInfo::CFGStackified, llvm::MachineFunction::getBlockNumbered(), llvm::MachineFunction::getWasmEHFuncInfo(), llvm::yaml::WebAssemblyFunctionInfo::Params, llvm::WebAssembly::parseMVT(), llvm::yaml::WebAssemblyFunctionInfo::Results, and llvm::yaml::WebAssemblyFunctionInfo::SrcToUnwindDest.

◆ initWARegs()

void WebAssemblyFunctionInfo::initWARegs ( MachineRegisterInfo &  MRI)

Definition at line 36 of file WebAssemblyMachineFunctionInfo.cpp.

References assert(), llvm::MachineRegisterInfo::getNumVirtRegs(), MRI, and UnusedReg.

◆ isCFGStackified()

bool llvm::WebAssemblyFunctionInfo::isCFGStackified ( ) const
inline

Definition at line 160 of file WebAssemblyMachineFunctionInfo.h.

◆ isFrameBaseVirtual()

bool llvm::WebAssemblyFunctionInfo::isFrameBaseVirtual ( ) const
inline

Definition at line 112 of file WebAssemblyMachineFunctionInfo.h.

Referenced by checkFrameBase(), and llvm::WebAssemblyFrameLowering::getDwarfFrameBase().

◆ isVRegStackified()

bool llvm::WebAssemblyFunctionInfo::isVRegStackified ( unsigned  VReg) const
inline

Definition at line 134 of file WebAssemblyMachineFunctionInfo.h.

References I, llvm::BitVector::size(), llvm::BitVector::test(), and llvm::Register::virtReg2Index().

Referenced by llvm::WebAssemblyInstrInfo::commuteInstructionImpl(), findStartOfTree(), llvm::WebAssembly::isChild(), oneUseDominatesOtherUses(), and llvm::WebAssemblyAsmPrinter::regToString().

◆ setBasePointerVreg()

void llvm::WebAssemblyFunctionInfo::setBasePointerVreg ( unsigned  Reg)
inline

Definition at line 118 of file WebAssemblyMachineFunctionInfo.h.

◆ setCFGStackified()

void llvm::WebAssemblyFunctionInfo::setCFGStackified ( bool  Value = true)
inline

Definition at line 161 of file WebAssemblyMachineFunctionInfo.h.

◆ setFrameBaseLocal()

void llvm::WebAssemblyFunctionInfo::setFrameBaseLocal ( unsigned  Local)
inline

Definition at line 113 of file WebAssemblyMachineFunctionInfo.h.

Referenced by checkFrameBase().

◆ setFrameBaseVreg()

void llvm::WebAssemblyFunctionInfo::setFrameBaseVreg ( unsigned  Reg)
inline

Definition at line 105 of file WebAssemblyMachineFunctionInfo.h.

◆ setLocal()

void llvm::WebAssemblyFunctionInfo::setLocal ( size_t  i,
MVT  VT 
)
inline

Definition at line 91 of file WebAssemblyMachineFunctionInfo.h.

References i.

◆ setNumLocals()

void llvm::WebAssemblyFunctionInfo::setNumLocals ( size_t  NumLocals)
inline

Definition at line 90 of file WebAssemblyMachineFunctionInfo.h.

References llvm::MVT::i32.

◆ setVarargBufferVreg()

void llvm::WebAssemblyFunctionInfo::setVarargBufferVreg ( unsigned  Reg)
inline

Definition at line 99 of file WebAssemblyMachineFunctionInfo.h.

◆ setWAReg()

void llvm::WebAssemblyFunctionInfo::setWAReg ( unsigned  VReg,
unsigned  WAReg 
)
inline

Definition at line 142 of file WebAssemblyMachineFunctionInfo.h.

References assert(), I, UnusedReg, and llvm::Register::virtReg2Index().

◆ stackifyVReg()

void llvm::WebAssemblyFunctionInfo::stackifyVReg ( MachineRegisterInfo &  MRI,
unsigned  VReg 
)
inline

Definition at line 122 of file WebAssemblyMachineFunctionInfo.h.

References assert(), I, MRI, llvm::BitVector::resize(), llvm::BitVector::set(), llvm::BitVector::size(), and llvm::Register::virtReg2Index().

Referenced by maybeRewriteToDrop(), moveAndTeeForMultiUse(), moveForSingleUse(), and rematerializeCheapDef().

◆ unstackifyVReg()

void llvm::WebAssemblyFunctionInfo::unstackifyVReg ( unsigned  VReg)
inline

Definition at line 129 of file WebAssemblyMachineFunctionInfo.h.

References I, llvm::BitVector::reset(), llvm::BitVector::size(), and llvm::Register::virtReg2Index().

Member Data Documentation

◆ UnusedReg

const unsigned llvm::WebAssemblyFunctionInfo::UnusedReg = -1u
static

Definition at line 120 of file WebAssemblyMachineFunctionInfo.h.

Referenced by initWARegs(), llvm::WebAssemblyInstPrinter::printOperand(), llvm::WebAssemblyInstPrinter::printRegName(), llvm::WebAssemblyAsmPrinter::regToString(), and setWAReg().

The documentation for this class was generated from the following files:
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