13#ifndef LLVM_LIB_TARGET_AARCH64_AARCH64MACHINEFUNCTIONINFO_H
14#define LLVM_LIB_TARGET_AARCH64_AARCH64MACHINEFUNCTIONINFO_H
33struct AArch64FunctionInfo;
36class AArch64Subtarget;
56 unsigned BytesInStackArgArea = 0;
61 unsigned ArgumentStackToRestore = 0;
67 unsigned TailCallReservedStack = 0;
71 bool HasStackFrame =
false;
77 int MinSVECSFrameIndex = 0;
78 int MaxSVECSFrameIndex = 0;
81 unsigned CalleeSavedStackSize = 0;
82 unsigned SVECalleeSavedStackSize = 0;
83 bool HasCalleeSavedStackSize =
false;
87 unsigned NumLocalDynamicTLSAccesses = 0;
91 int VarArgsStackIndex = 0;
94 unsigned VarArgsStackOffset = 0;
98 int VarArgsGPRIndex = 0;
102 unsigned VarArgsGPRSize = 0;
106 int VarArgsFPRIndex = 0;
110 unsigned VarArgsFPRSize = 0;
115 int StackHazardSlotIndex = std::numeric_limits<int>::max();
116 int StackHazardCSRSlotIndex = std::numeric_limits<int>::max();
120 bool IsSplitCSR =
false;
124 bool StackRealigned =
false;
128 bool CalleeSaveStackHasFreeSpace =
false;
141 bool HasCalculatedStackSizeSVE =
false;
147 std::optional<bool> HasRedZone;
154 std::optional<int> TaggedBasePointerIndex;
159 unsigned TaggedBasePointerOffset;
163 std::optional<std::string> OutliningStyle;
167 int CalleeSaveBaseToFrameRecordOffset = 0;
171 bool SignReturnAddress =
false;
175 bool SignReturnAddressAll =
false;
178 bool SignWithBKey =
false;
186 bool HasELFSignedGOT =
false;
195 bool BranchTargetEnforcement =
false;
201 bool BranchProtectionPAuthLR =
false;
206 bool HasSwiftAsyncContext =
false;
209 int SwiftAsyncContextFrameIdx = std::numeric_limits<int>::max();
211 bool IsMTETagged =
false;
215 bool IsSVECC =
false;
221 bool HasStreamingModeChanges =
false;
224 mutable std::optional<bool> NeedsDwarfUnwindInfo;
227 mutable std::optional<bool> NeedsAsyncDwarfUnwindInfo;
229 int64_t StackProbeSize = 0;
237 unsigned PredicateRegForFillSpill = 0;
240 int64_t VGIdx = std::numeric_limits<int>::max();
241 int64_t StreamingVGIdx = std::numeric_limits<int>::max();
252 PredicateRegForFillSpill =
Reg;
255 return PredicateRegForFillSpill;
279 ArgumentStackToRestore = bytes;
284 TailCallReservedStack = bytes;
290 HasCalculatedStackSizeSVE =
true;
303 return CalleeSaveStackHasFreeSpace;
306 CalleeSaveStackHasFreeSpace = s;
316 return OutliningStyle;
320 CalleeSavedStackSize =
Size;
321 HasCalleeSavedStackSize =
true;
330 bool ValidateCalleeSavedStackSize =
false;
336 ValidateCalleeSavedStackSize = HasCalleeSavedStackSize;
339 if (!HasCalleeSavedStackSize || ValidateCalleeSavedStackSize) {
344 int64_t MinOffset = std::numeric_limits<int64_t>::max();
345 int64_t MaxOffset = std::numeric_limits<int64_t>::min();
347 int FrameIdx =
Info.getFrameIdx();
352 MinOffset = std::min<int64_t>(
Offset, MinOffset);
353 MaxOffset = std::max<int64_t>(
Offset + ObjSize, MaxOffset);
356 if (SwiftAsyncContextFrameIdx != std::numeric_limits<int>::max()) {
359 MinOffset = std::min<int64_t>(
Offset, MinOffset);
360 MaxOffset = std::max<int64_t>(
Offset + ObjSize, MaxOffset);
363 if (StackHazardCSRSlotIndex != std::numeric_limits<int>::max()) {
365 int64_t ObjSize = MFI.
getObjectSize(StackHazardCSRSlotIndex);
366 MinOffset = std::min<int64_t>(
Offset, MinOffset);
367 MaxOffset = std::max<int64_t>(
Offset + ObjSize, MaxOffset);
370 unsigned Size =
alignTo(MaxOffset - MinOffset, 16);
372 "Invalid size calculated for callee saves");
380 assert(HasCalleeSavedStackSize &&
381 "CalleeSavedStackSize has not been calculated");
382 return CalleeSavedStackSize;
387 SVECalleeSavedStackSize =
Size;
390 return SVECalleeSavedStackSize;
394 MinSVECSFrameIndex = Min;
395 MaxSVECSFrameIndex = Max;
403 return NumLocalDynamicTLSAccesses;
406 std::optional<bool>
hasRedZone()
const {
return HasRedZone; }
428 return StackHazardSlotIndex != std::numeric_limits<int>::max();
432 assert(StackHazardSlotIndex == std::numeric_limits<int>::max());
433 StackHazardSlotIndex =
Index;
437 assert(StackHazardCSRSlotIndex == std::numeric_limits<int>::max());
438 StackHazardCSRSlotIndex =
Index;
445 return JumpTableEntryInfo[
Idx].first;
448 return JumpTableEntryInfo[
Idx].second;
451 if ((
unsigned)
Idx >= JumpTableEntryInfo.size())
452 JumpTableEntryInfo.resize(
Idx+1);
453 JumpTableEntryInfo[
Idx] = std::make_pair(
Size, PCRelSym);
471 : Kind(Kind), Args(Args.begin(), Args.end()) {
487 LOHRelated.
insert(Args.begin(), Args.end());
491 return ForwardedMustTailRegParms;
495 return TaggedBasePointerIndex;
500 return TaggedBasePointerOffset;
503 TaggedBasePointerOffset =
Offset;
507 return CalleeSaveBaseToFrameRecordOffset;
510 CalleeSaveBaseToFrameRecordOffset =
Offset;
532 HasSwiftAsyncContext = HasContext;
537 SwiftAsyncContextFrameIdx = FI;
546 HasStreamingModeChanges = HasChanges;
Analysis containing CSE Info
Returns the sub type a function will return at a given Idx Should correspond to the result type of an ExtractValue instruction executed with just that one unsigned Idx
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
This file defines the SmallPtrSet class.
This file defines the SmallVector class.
MILOHDirective(MCLOHType Kind, LOHArgs Args)
MCLOHType getKind() const
ArrayRef< const MachineInstr * > LOHArgs
AArch64FunctionInfo - This class is derived from MachineFunctionInfo and contains private AArch64-spe...
void addLOHDirective(MCLOHType Kind, MILOHArgs Args)
Add a LOH directive of this Kind and this Args.
bool needsShadowCallStackPrologueEpilogue(MachineFunction &MF) const
bool branchTargetEnforcement() const
void setHasStackFrame(bool s)
void setSwiftAsyncContextFrameIdx(int FI)
unsigned getTailCallReservedStack() const
unsigned getCalleeSavedStackSize(const MachineFrameInfo &MFI) const
unsigned getVarArgsFPRSize() const
void setCalleeSaveBaseToFrameRecordOffset(int Offset)
void setVarArgsStackOffset(unsigned Offset)
bool hasStackProbing() const
void setVarArgsStackIndex(int Index)
unsigned getArgumentStackToRestore() const
TPIDR2Object & getTPIDR2Obj()
void setTailCallReservedStack(unsigned bytes)
SmallVector< MILOHDirective, 32 > MILOHContainer
void setLocalStackSize(uint64_t Size)
void setCalleeSaveStackHasFreeSpace(bool s)
void setVGIdx(unsigned Idx)
int getCalleeSaveBaseToFrameRecordOffset() const
bool hasELFSignedGOT() const
SmallVectorImpl< ForwardedRegister > & getForwardedMustTailRegParms()
int getMaxSVECSFrameIndex() const
void setIsSplitCSR(bool s)
int getVarArgsFPRIndex() const
bool hasStreamingModeChanges() const
bool shouldSignReturnAddress(const MachineFunction &MF) const
void setPredicateRegForFillSpill(unsigned Reg)
void incNumLocalDynamicTLSAccesses()
const SetOfInstructions & getLOHRelated() const
void setBytesInStackArgArea(unsigned bytes)
int getVarArgsStackIndex() const
void setVarArgsGPRIndex(int Index)
int getStackHazardSlotIndex() const
unsigned getTaggedBasePointerOffset() const
void setStreamingVGIdx(unsigned FrameIdx)
void setCalleeSavedStackSize(unsigned Size)
int getVarArgsGPRIndex() const
int64_t getStackProbeSize() const
void setSigningInstrLabel(MCSymbol *Label)
uint64_t getStackSizeSVE() const
void setHasSwiftAsyncContext(bool HasContext)
bool branchProtectionPAuthLR() const
void setPStateSMReg(Register Reg)
void setHasRedZone(bool s)
bool hasStackFrame() const
int getStackHazardCSRSlotIndex() const
void setVarArgsFPRSize(unsigned Size)
std::optional< int > getTaggedBasePointerIndex() const
unsigned getVarArgsStackOffset() const
uint64_t getLocalStackSize() const
void setStackRealigned(bool s)
unsigned getJumpTableEntrySize(int Idx) const
bool needsDwarfUnwindInfo(const MachineFunction &MF) const
void setOutliningStyle(std::string Style)
unsigned getVarArgsGPRSize() const
unsigned getSRetReturnReg() const
void setStackSizeSVE(uint64_t S)
MCSymbol * getJumpTableEntryPCRelSymbol(int Idx) const
bool isStackRealigned() const
Register getPStateSMReg() const
unsigned getNumLocalDynamicTLSAccesses() const
SmallPtrSet< const MachineInstr *, 16 > SetOfInstructions
bool hasSwiftAsyncContext() const
bool hasStackHazardSlotIndex() const
void setTaggedBasePointerOffset(unsigned Offset)
void setStackHazardSlotIndex(int Index)
std::optional< bool > hasRedZone() const
void setSRetReturnReg(unsigned Reg)
void setStackHazardCSRSlotIndex(int Index)
int getSwiftAsyncContextFrameIdx() const
unsigned getPredicateRegForFillSpill() const
bool hasCalculatedStackSizeSVE() const
void setSVECalleeSavedStackSize(unsigned Size)
std::optional< std::string > getOutliningStyle() const
unsigned getBytesInStackArgArea() const
void initializeBaseYamlFields(const yaml::AArch64FunctionInfo &YamlMFI)
const MILOHContainer & getLOHContainer() const
void setJumpTableEntryInfo(int Idx, unsigned Size, MCSymbol *PCRelSym)
unsigned getSVECalleeSavedStackSize() const
int getMinSVECSFrameIndex() const
bool needsAsyncDwarfUnwindInfo(const MachineFunction &MF) const
int64_t getStreamingVGIdx() const
void setVarArgsFPRIndex(int Index)
MachineFunctionInfo * clone(BumpPtrAllocator &Allocator, MachineFunction &DestMF, const DenseMap< MachineBasicBlock *, MachineBasicBlock * > &Src2DstMBB) const override
Make a functionally equivalent copy of this MachineFunctionInfo in MF.
void setVarArgsGPRSize(unsigned Size)
void setTaggedBasePointerIndex(int Index)
MCSymbol * getSigningInstrLabel() const
void setArgumentStackToRestore(unsigned bytes)
void setMinMaxSVECSFrameIndex(int Min, int Max)
void setHasStreamingModeChanges(bool HasChanges)
unsigned getCalleeSavedStackSize() const
bool hasCalleeSaveStackFreeSpace() const
bool shouldSignWithBKey() const
ArrayRef - Represent a constant reference to an array (0 or more elements consecutively in memory),...
Allocate memory in an ever growing pool, as if by bump-pointer.
static constexpr unsigned NoRegister
MCSymbol - Instances of this class represent a symbol name in the MC file, and MCSymbols are created ...
The MachineFrameInfo class represents an abstract stack frame until prolog/epilog code is inserted.
bool isCalleeSavedInfoValid() const
Has the callee saved info been calculated yet?
int64_t getObjectSize(int ObjectIdx) const
Return the size of the specified object.
const std::vector< CalleeSavedInfo > & getCalleeSavedInfo() const
Returns a reference to call saved info vector for the current function.
uint8_t getStackID(int ObjectIdx) const
int64_t getObjectOffset(int ObjectIdx) const
Return the assigned stack offset of the specified object from the incoming stack pointer.
Wrapper class representing virtual and physical registers.
std::pair< iterator, bool > insert(PtrType Ptr)
Inserts Ptr if and only if there is no element in the container equal to Ptr.
This class consists of common code factored out of the SmallVector class to reduce code duplication b...
void push_back(const T &Elt)
This is a 'vector' (really, a variable-sized array), optimized for the case when the array is small.
This is an optimization pass for GlobalISel generic memory operations.
static bool isValidMCLOHType(unsigned Kind)
MCLOHType
Linker Optimization Hint Type.
uint64_t alignTo(uint64_t Size, Align A)
Returns a multiple of A needed to store Size bytes.
MachineFunctionInfo - This class can be derived from and used by targets to hold private target-speci...
std::optional< bool > HasRedZone
~AArch64FunctionInfo()=default
AArch64FunctionInfo()=default
void mappingImpl(yaml::IO &YamlIO) override
Targets should override this in a way that mirrors the implementation of llvm::MachineFunctionInfo.
static void mapping(IO &YamlIO, AArch64FunctionInfo &MFI)