LLVM 22.0.0git
Public Types | Public Member Functions | Friends | List of all members
llvm::PseudoSourceValue Class Reference

Special value supplied for machine level alias analysis. More...

#include "llvm/CodeGen/PseudoSourceValue.h"

Inheritance diagram for llvm::PseudoSourceValue:
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Public Types

enum  PSVKind : unsigned {
  Stack , GOT , JumpTable , ConstantPool ,
  FixedStack , GlobalValueCallEntry , ExternalSymbolCallEntry , TargetCustom
}

Public Member Functions

 PseudoSourceValue (unsigned Kind, const TargetMachine &TM)
virtual ~PseudoSourceValue ()
unsigned kind () const
bool isStack () const
bool isGOT () const
bool isConstantPool () const
bool isJumpTable () const
unsigned getAddressSpace () const
unsigned getTargetCustom () const
virtual bool isConstant (const MachineFrameInfo *) const
 Test whether the memory pointed to by this PseudoSourceValue has a constant value.
virtual bool isAliased (const MachineFrameInfo *) const
 Test whether the memory pointed to by this PseudoSourceValue may also be pointed to by an LLVM IR Value.
virtual bool mayAlias (const MachineFrameInfo *) const
 Return true if the memory pointed to by this PseudoSourceValue can ever alias an LLVM IR Value.

Friends

class MachineMemOperand
class MIRFormatter
LLVM_ABI friend raw_ostream & llvm::operator<< (raw_ostream &OS, const PseudoSourceValue *PSV)

Detailed Description

Special value supplied for machine level alias analysis.

It indicates that a memory access references the functions stack frame (e.g., a spill slot), below the stack frame (e.g., argument space), or constant pool.

Definition at line 33 of file PseudoSourceValue.h.

Member Enumeration Documentation

◆ PSVKind

enum llvm::PseudoSourceValue::PSVKind : unsigned
Enumerator
Stack 
GOT 
JumpTable 
ConstantPool 
FixedStack 
GlobalValueCallEntry 
ExternalSymbolCallEntry 
TargetCustom 

Definition at line 35 of file PseudoSourceValue.h.

Constructor & Destructor Documentation

◆ PseudoSourceValue()

PseudoSourceValue::PseudoSourceValue ( unsigned Kind,
const TargetMachine & TM )
explicit

Definition at line 27 of file PseudoSourceValue.cpp.

Referenced by llvm::AMDGPUPseudoSourceValue::AMDGPUPseudoSourceValue(), llvm::CallEntryPseudoSourceValue::CallEntryPseudoSourceValue(), llvm::FixedStackPseudoSourceValue::classof(), llvm::FixedStackPseudoSourceValue::FixedStackPseudoSourceValue(), llvm::operator<<, and MIRFormatter.

◆ ~PseudoSourceValue()

PseudoSourceValue::~PseudoSourceValue ( )
virtualdefault

Member Function Documentation

◆ getAddressSpace()

unsigned llvm::PseudoSourceValue::getAddressSpace ( ) const
inline

Definition at line 71 of file PseudoSourceValue.h.

◆ getTargetCustom()

unsigned llvm::PseudoSourceValue::getTargetCustom ( ) const
inline

Definition at line 73 of file PseudoSourceValue.h.

References TargetCustom.

◆ isAliased()

bool PseudoSourceValue::isAliased ( const MachineFrameInfo * ) const
virtual

Test whether the memory pointed to by this PseudoSourceValue may also be pointed to by an LLVM IR Value.

Reimplemented in llvm::AMDGPUGWSResourcePseudoSourceValue, llvm::AMDGPUPseudoSourceValue, llvm::CallEntryPseudoSourceValue, and llvm::FixedStackPseudoSourceValue.

Definition at line 49 of file PseudoSourceValue.cpp.

References isConstantPool(), isGOT(), isJumpTable(), isStack(), and llvm_unreachable.

◆ isConstant()

bool PseudoSourceValue::isConstant ( const MachineFrameInfo * ) const
virtual

Test whether the memory pointed to by this PseudoSourceValue has a constant value.

Reimplemented in llvm::AMDGPUPseudoSourceValue, llvm::CallEntryPseudoSourceValue, and llvm::FixedStackPseudoSourceValue.

Definition at line 41 of file PseudoSourceValue.cpp.

References isConstantPool(), isGOT(), isJumpTable(), isStack(), and llvm_unreachable.

◆ isConstantPool()

bool llvm::PseudoSourceValue::isConstantPool ( ) const
inline

Definition at line 68 of file PseudoSourceValue.h.

References ConstantPool.

Referenced by isAliased(), isConstant(), and mayAlias().

◆ isGOT()

bool llvm::PseudoSourceValue::isGOT ( ) const
inline

Definition at line 67 of file PseudoSourceValue.h.

References GOT.

Referenced by isAliased(), isConstant(), and mayAlias().

◆ isJumpTable()

bool llvm::PseudoSourceValue::isJumpTable ( ) const
inline

Definition at line 69 of file PseudoSourceValue.h.

References JumpTable.

Referenced by isAliased(), isConstant(), and mayAlias().

◆ isStack()

bool llvm::PseudoSourceValue::isStack ( ) const
inline

Definition at line 66 of file PseudoSourceValue.h.

References Stack.

Referenced by isAliased(), and isConstant().

◆ kind()

unsigned llvm::PseudoSourceValue::kind ( ) const
inline

Definition at line 64 of file PseudoSourceValue.h.

Referenced by ValidateMVEStore().

◆ mayAlias()

bool PseudoSourceValue::mayAlias ( const MachineFrameInfo * ) const
virtual

Return true if the memory pointed to by this PseudoSourceValue can ever alias an LLVM IR Value.

Reimplemented in llvm::AMDGPUGWSResourcePseudoSourceValue, llvm::AMDGPUPseudoSourceValue, llvm::CallEntryPseudoSourceValue, and llvm::FixedStackPseudoSourceValue.

Definition at line 55 of file PseudoSourceValue.cpp.

References isConstantPool(), isGOT(), and isJumpTable().

Referenced by llvm::TargetInstrInfo::describeLoadedValue(), and MemOperandsHaveAlias().

◆ llvm::operator<<

LLVM_ABI friend raw_ostream & llvm::operator<< ( raw_ostream & OS,
const PseudoSourceValue * PSV )
friend

References LLVM_ABI, and PseudoSourceValue().

◆ MachineMemOperand

friend class MachineMemOperand
friend

Definition at line 52 of file PseudoSourceValue.h.

References MachineMemOperand.

Referenced by MachineMemOperand.

◆ MIRFormatter

friend class MIRFormatter
friend

Definition at line 53 of file PseudoSourceValue.h.

References MIRFormatter, and PseudoSourceValue().

Referenced by MIRFormatter.

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