13#ifndef LLVM_LIB_TARGET_AARCH64_AARCH64MACHINEFUNCTIONINFO_H
14#define LLVM_LIB_TARGET_AARCH64_AARCH64MACHINEFUNCTIONINFO_H
32struct AArch64FunctionInfo;
35class AArch64Subtarget;
50 unsigned BytesInStackArgArea = 0;
55 unsigned ArgumentStackToRestore = 0;
61 unsigned TailCallReservedStack = 0;
65 bool HasStackFrame =
false;
71 int MinSVECSFrameIndex = 0;
72 int MaxSVECSFrameIndex = 0;
75 unsigned CalleeSavedStackSize = 0;
76 unsigned SVECalleeSavedStackSize = 0;
77 bool HasCalleeSavedStackSize =
false;
81 unsigned NumLocalDynamicTLSAccesses = 0;
85 int VarArgsStackIndex = 0;
88 unsigned VarArgsStackOffset = 0;
92 int VarArgsGPRIndex = 0;
96 unsigned VarArgsGPRSize = 0;
100 int VarArgsFPRIndex = 0;
104 unsigned VarArgsFPRSize = 0;
108 bool IsSplitCSR =
false;
112 bool StackRealigned =
false;
116 bool CalleeSaveStackHasFreeSpace =
false;
129 bool HasCalculatedStackSizeSVE =
false;
135 std::optional<bool> HasRedZone;
142 std::optional<int> TaggedBasePointerIndex;
147 unsigned TaggedBasePointerOffset;
151 std::optional<std::string> OutliningStyle;
155 int CalleeSaveBaseToFrameRecordOffset = 0;
159 bool SignReturnAddress =
false;
163 bool SignReturnAddressAll =
false;
166 bool SignWithBKey =
false;
175 bool BranchTargetEnforcement =
false;
181 bool BranchProtectionPAuthLR =
false;
186 bool HasSwiftAsyncContext =
false;
189 int SwiftAsyncContextFrameIdx = std::numeric_limits<int>::max();
191 bool IsMTETagged =
false;
195 bool IsSVECC =
false;
201 bool HasStreamingModeChanges =
false;
204 mutable std::optional<bool> NeedsDwarfUnwindInfo;
207 mutable std::optional<bool> NeedsAsyncDwarfUnwindInfo;
209 int64_t StackProbeSize = 0;
217 unsigned PredicateRegForFillSpill = 0;
228 PredicateRegForFillSpill =
Reg;
231 return PredicateRegForFillSpill;
250 ArgumentStackToRestore = bytes;
255 TailCallReservedStack = bytes;
261 HasCalculatedStackSizeSVE =
true;
274 return CalleeSaveStackHasFreeSpace;
277 CalleeSaveStackHasFreeSpace = s;
287 return OutliningStyle;
291 CalleeSavedStackSize =
Size;
292 HasCalleeSavedStackSize =
true;
301 bool ValidateCalleeSavedStackSize =
false;
307 ValidateCalleeSavedStackSize = HasCalleeSavedStackSize;
310 if (!HasCalleeSavedStackSize || ValidateCalleeSavedStackSize) {
315 int64_t MinOffset = std::numeric_limits<int64_t>::max();
316 int64_t MaxOffset = std::numeric_limits<int64_t>::min();
318 int FrameIdx =
Info.getFrameIdx();
323 MinOffset = std::min<int64_t>(
Offset, MinOffset);
324 MaxOffset = std::max<int64_t>(
Offset + ObjSize, MaxOffset);
327 if (SwiftAsyncContextFrameIdx != std::numeric_limits<int>::max()) {
330 MinOffset = std::min<int64_t>(
Offset, MinOffset);
331 MaxOffset = std::max<int64_t>(
Offset + ObjSize, MaxOffset);
334 unsigned Size =
alignTo(MaxOffset - MinOffset, 16);
336 "Invalid size calculated for callee saves");
344 assert(HasCalleeSavedStackSize &&
345 "CalleeSavedStackSize has not been calculated");
346 return CalleeSavedStackSize;
351 SVECalleeSavedStackSize =
Size;
354 return SVECalleeSavedStackSize;
358 MinSVECSFrameIndex = Min;
359 MaxSVECSFrameIndex = Max;
367 return NumLocalDynamicTLSAccesses;
370 std::optional<bool>
hasRedZone()
const {
return HasRedZone; }
395 return JumpTableEntryInfo[
Idx].first;
398 return JumpTableEntryInfo[
Idx].second;
401 if ((
unsigned)
Idx >= JumpTableEntryInfo.size())
402 JumpTableEntryInfo.resize(
Idx+1);
403 JumpTableEntryInfo[
Idx] = std::make_pair(
Size, PCRelSym);
421 : Kind(Kind), Args(Args.begin(), Args.end()) {
437 LOHRelated.
insert(Args.begin(), Args.end());
441 return ForwardedMustTailRegParms;
445 return TaggedBasePointerIndex;
450 return TaggedBasePointerOffset;
453 TaggedBasePointerOffset =
Offset;
457 return CalleeSaveBaseToFrameRecordOffset;
460 CalleeSaveBaseToFrameRecordOffset =
Offset;
480 HasSwiftAsyncContext = HasContext;
485 SwiftAsyncContextFrameIdx = FI;
494 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...
unsigned getLazySaveTPIDR2Obj() const
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
void setTailCallReservedStack(unsigned bytes)
SmallVector< MILOHDirective, 32 > MILOHContainer
void setLocalStackSize(uint64_t Size)
void setCalleeSaveStackHasFreeSpace(bool s)
int getCalleeSaveBaseToFrameRecordOffset() 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)
unsigned getTaggedBasePointerOffset() const
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
void setVarArgsFPRSize(unsigned Size)
std::optional< int > getTaggedBasePointerIndex() const
unsigned getVarArgsStackOffset() const
void setLazySaveTPIDR2Obj(unsigned Reg)
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
void setTaggedBasePointerOffset(unsigned Offset)
std::optional< bool > hasRedZone() const
void setSRetReturnReg(unsigned Reg)
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
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)