FunctionLoweringInfo.h Source File (original) (raw)

14#ifndef LLVM_CODEGEN_FUNCTIONLOWERINGINFO_H

15#define LLVM_CODEGEN_FUNCTIONLOWERINGINFO_H

29#include

30#include

31#include

33namespace llvm {

57public:

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120 };

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229 if (!LiveOutRegInfo.inBounds(Reg))

230 return nullptr;

231

234 return nullptr;

235

236 return LOI;

237 }

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250 if (NumSignBits == 1 && Known.isUnknown())

251 return;

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253 LiveOutRegInfo.grow(Reg);

258 }

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270 return;

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273 if (Reg == 0)

274 return;

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276 LiveOutRegInfo.grow(Reg);

277 LiveOutRegInfo[Reg].IsValid = false;

278 }

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296private:

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299};

300

301}

302

303#endif

assert(UImm &&(UImm !=~static_cast< T >(0)) &&"Invalid immediate!")

This file implements the BitVector class.

static GCRegistry::Add< ErlangGC > A("erlang", "erlang-compatible garbage collector")

This file defines the DenseMap class.

This file implements an indexed map.

This file defines the SmallPtrSet class.

This file defines the SmallVector class.

This class represents an incoming formal argument to a Function.

LLVM Basic Block Representation.

unsigned getNumber() const

Analysis providing branch probability information.

DenseMapIterator< KeyT, ValueT, KeyInfoT, BucketT, true > const_iterator

Implements a dense probed hash-table based set.

FunctionLoweringInfo - This contains information that is global to a function that is used when lower...

Definition FunctionLoweringInfo.h:56

BranchProbabilityInfo * BPI

Definition FunctionLoweringInfo.h:62

DenseMap< const Value *, StatepointRelocationRecord > StatepointSpillMapTy

Keep track of each value which was relocated and the strategy used to relocate that value.

Definition FunctionLoweringInfo.h:125

SmallPtrSet< const DbgVariableRecord *, 8 > PreprocessedDVRDeclares

Collection of dbg_declare instructions handled after argument lowering and before ISel proper.

Definition FunctionLoweringInfo.h:195

void clear()

clear - Clear out all the function-specific state.

MachineBasicBlock * getMBB(const BasicBlock *BB) const

Definition FunctionLoweringInfo.h:213

DenseSet< Register > RegsWithFixups

Definition FunctionLoweringInfo.h:148

DemoteRegister - if CanLowerReturn is false, DemoteRegister is a vreg allocated to hold a pointer to ...

Definition FunctionLoweringInfo.h:73

void setArgumentFrameIndex(const Argument *A, int FI)

setArgumentFrameIndex - Record frame index for the byval argument.

unsigned OrigNumPHINodesToUpdate

Definition FunctionLoweringInfo.h:183

SmallVector< bool > VisitedBBs

The set of basic blocks visited thus far by instruction selection.

Definition FunctionLoweringInfo.h:176

void InvalidatePHILiveOutRegInfo(const PHINode *PN)

InvalidatePHILiveOutRegInfo - Invalidates a PHI's LiveOutInfo, to be called when a block is visited b...

Definition FunctionLoweringInfo.h:266

BitVector DescribedArgs

Bitvector with a bit set if corresponding argument is described in ArgDbgValues.

Definition FunctionLoweringInfo.h:143

DenseMap< const AllocaInst *, int > StaticAllocaMap

StaticAllocaMap - Keep track of frame indices for fixed sized allocas in the entry block.

Definition FunctionLoweringInfo.h:132

const UniformityInfo * UA

Definition FunctionLoweringInfo.h:63

DenseMap< const Instruction *, StatepointSpillMapTy > StatepointRelocationMaps

Definition FunctionLoweringInfo.h:127

unsigned CurCallSite

The current call site index being processed, if any. 0 if none.

Definition FunctionLoweringInfo.h:191

int getArgumentFrameIndex(const Argument *A)

getArgumentFrameIndex - Get frame index for the byval argument.

Definition FunctionLoweringInfo.h:188

bool isExportedInst(const Value *V) const

isExportedInst - Return true if the specified value is an instruction exported from its block.

Definition FunctionLoweringInfo.h:209

void AddLiveOutRegInfo(Register Reg, unsigned NumSignBits, const KnownBits &Known)

AddLiveOutRegInfo - Adds LiveOutInfo for a register.

Definition FunctionLoweringInfo.h:247

const LiveOutInfo * GetLiveOutRegInfo(Register Reg)

GetLiveOutRegInfo - Gets LiveOutInfo for a register, returning NULL if the register is a PHI destinat...

Definition FunctionLoweringInfo.h:228

bool SplitCSR

True if part of the CSRs will be handled via explicit copies.

Definition FunctionLoweringInfo.h:69

DenseMap< const Value *, Register > ValueMap

ValueMap - Since we emit code for the function a basic block at a time, we must remember which virtua...

Definition FunctionLoweringInfo.h:81

If the current MBB is a landing pad, the exception pointer and exception selector registers are copie...

Definition FunctionLoweringInfo.h:188

MachineBasicBlock::iterator InsertPt

MBB - The current insert position inside the current block.

Definition FunctionLoweringInfo.h:160

SmallVector< unsigned, 50 > StatepointStackSlots

StatepointStackSlots - A list of temporary stack slots (frame indices) used to spill values at a stat...

Definition FunctionLoweringInfo.h:154

void set(const Function &Fn, MachineFunction &MF, SelectionDAG *DAG)

set - Initialize this FunctionLoweringInfo with the given Function and its associated MachineFunction...

MachineBasicBlock * MBB

MBB - The current block.

Definition FunctionLoweringInfo.h:157

DenseMap< const Argument *, int > ByValArgFrameIndexMap

ByValArgFrameIndexMap - Keep track of frame indices for byval arguments.

Definition FunctionLoweringInfo.h:135

const Function * Fn

Definition FunctionLoweringInfo.h:58

DenseMap< Register, Register > RegFixups

RegFixups - Registers which need to be replaced after isel is done.

Definition FunctionLoweringInfo.h:146

SmallVector< MachineInstr *, 8 > ArgDbgValues

ArgDbgValues - A list of DBG_VALUE instructions created during isel for function arguments that are i...

Definition FunctionLoweringInfo.h:139

std::vector< std::pair< MachineInstr *, Register > > PHINodesToUpdate

PHINodesToUpdate - A list of phi instructions whose operand list will be updated after processing the...

Definition FunctionLoweringInfo.h:182

unsigned getCurrentCallSite()

Get the call site currently being processed, if any. Return zero if none.

Definition FunctionLoweringInfo.h:294

MachineFunction * MF

Definition FunctionLoweringInfo.h:59

void ComputePHILiveOutRegInfo(const PHINode *)

ComputePHILiveOutRegInfo - Compute LiveOutInfo for a PHI's destination register based on the LiveOutI...

SmallVector< MachineBasicBlock * > MBBMap

A mapping from LLVM basic block number to their machine block.

Definition FunctionLoweringInfo.h:76

const TargetLowering * TLI

Definition FunctionLoweringInfo.h:60

const Value * getValueFromVirtualReg(Register Vreg)

This method is called from TargetLowerinInfo::isSDNodeSourceOfDivergence to get the Value correspondi...

void setCurrentCallSite(unsigned Site)

Set the call site currently being processed.

Definition FunctionLoweringInfo.h:291

DenseMap< Register, const Value * > VirtReg2Value

VirtReg2Value map is needed by the Divergence Analysis driven instruction selection.

Definition FunctionLoweringInfo.h:88

MachineRegisterInfo * RegInfo

Definition FunctionLoweringInfo.h:61

CreateReg - Allocate a single virtual register for the given type.

bool CanLowerReturn

CanLowerReturn - true iff the function's return value can be lowered to registers.

Definition FunctionLoweringInfo.h:66

DenseMap< const Value *, ISD::NodeType > PreferredExtendType

Record the preferred extend type (ISD::SIGN_EXTEND or ISD::ZERO_EXTEND) for a value.

Definition FunctionLoweringInfo.h:172

DenseMap< const Value *, Register > CatchPadExceptionPointers

Track virtual registers created for exception pointers.

Definition FunctionLoweringInfo.h:95

MachineInstrBundleIterator< MachineInstr > iterator

Representation of each machine instruction.

MachineRegisterInfo - Keep track of information for virtual and physical registers,...

Wrapper class representing virtual and physical registers.

This is used to represent a portion of an LLVM function in a low-level Data Dependence DAG representa...

SmallPtrSet - This class implements a set which is optimized for holding SmallSize or less elements.

This is a 'vector' (really, a variable-sized array), optimized for the case when the array is small.

This class defines information used to lower LLVM code to legal SelectionDAG operators that the targe...

The instances of the Type class are immutable: once they are created, they are never changed.

LLVM Value Representation.

This is an optimization pass for GlobalISel generic memory operations.

GenericUniformityInfo< SSAContext > UniformityInfo

GenericSSAContext< Function > SSAContext

Definition FunctionLoweringInfo.h:48

constexpr unsigned BitWidth

unsigned IsValid

Definition FunctionLoweringInfo.h:164

unsigned NumSignBits

Definition FunctionLoweringInfo.h:163

KnownBits Known

Definition FunctionLoweringInfo.h:165

LiveOutInfo()

Definition FunctionLoweringInfo.h:167

Helper object to track which of three possible relocation mechanisms are used for a particular value ...

Definition FunctionLoweringInfo.h:99

union llvm::FunctionLoweringInfo::StatepointRelocationRecord::payload_t payload

enum llvm::FunctionLoweringInfo::StatepointRelocationRecord::RelocType type

RelocType

Definition FunctionLoweringInfo.h:100

@ Spill

Definition FunctionLoweringInfo.h:104

@ VReg

Definition FunctionLoweringInfo.h:107

@ NoRelocate

Definition FunctionLoweringInfo.h:102

@ SDValueNode

Definition FunctionLoweringInfo.h:111

bool isUnknown() const

Returns true if we don't know any bits.

Definition FunctionLoweringInfo.h:118

payload_t()

Definition FunctionLoweringInfo.h:116

int FI

Definition FunctionLoweringInfo.h:117