LLVM 20.0.0git
Public Member Functions | Static Public Member Functions | Protected Member Functions | Friends | List of all members
llvm::sandboxir::UndefValue Class Reference

#include "llvm/SandboxIR/Constant.h"

Inheritance diagram for llvm::sandboxir::UndefValue:
Inheritance graph
[legend]

Public Member Functions

UndefValuegetSequentialElement () const
 If this Undef has array or vector type, return a undef with the right element type.
 
UndefValuegetStructElement (unsigned Elt) const
 If this undef has struct type, return a undef with the right element type for the specified element.
 
UndefValuegetElementValue (Constant *C) const
 Return an undef of the right value for the specified GEP index if we can, otherwise return null (e.g.
 
UndefValuegetElementValue (unsigned Idx) const
 Return an undef of the right value for the specified GEP index.
 
unsigned getNumElements () const
 Return the number of elements in the array, vector, or struct.
 
unsigned getUseOperandNo (const Use &Use) const final
 \Returns the operand index of Use.
 
void verify () const override
 Should crash if there is something wrong with the instruction.
 
void dumpOS (raw_ostream &OS) const override
 
- Public Member Functions inherited from llvm::sandboxir::Constant
sandboxir::ContextgetParent () const
 
unsigned getUseOperandNo (const Use &Use) const override
 \Returns the operand index of Use.
 
void verify () const override
 Should crash if there is something wrong with the instruction.
 
void dumpOS (raw_ostream &OS) const override
 
- Public Member Functions inherited from llvm::sandboxir::User
virtual op_iterator op_begin ()
 
virtual op_iterator op_end ()
 
virtual const_op_iterator op_begin () const
 
virtual const_op_iterator op_end () const
 
op_range operands ()
 
const_op_range operands () const
 
ValuegetOperand (unsigned OpIdx) const
 
Use getOperandUse (unsigned OpIdx) const
 \Returns the operand edge for OpIdx.
 
virtual unsigned getNumOperands () const
 
virtual void setOperand (unsigned OperandIdx, Value *Operand)
 
bool replaceUsesOfWith (Value *FromV, Value *ToV)
 Replaces any operands that match FromV with ToV.
 
void verify () const override
 Should crash if there is something wrong with the instruction.
 
void dumpCommonHeader (raw_ostream &OS) const final
 
void dumpOS (raw_ostream &OS) const override
 
- Public Member Functions inherited from llvm::sandboxir::Value
virtual ~Value ()=default
 
ClassID getSubclassID () const
 
use_iterator use_begin ()
 
const_use_iterator use_begin () const
 
use_iterator use_end ()
 
const_use_iterator use_end () const
 
iterator_range< use_iteratoruses ()
 
iterator_range< const_use_iteratoruses () const
 
user_iterator user_begin ()
 
user_iterator user_end ()
 
const_user_iterator user_begin () const
 
const_user_iterator user_end () const
 
iterator_range< user_iteratorusers ()
 
iterator_range< const_user_iteratorusers () const
 
unsigned getNumUses () const
 \Returns the number of user edges (not necessarily to unique users).
 
bool hasNUsesOrMore (unsigned Num) const
 Return true if this value has N uses or more.
 
bool hasNUses (unsigned Num) const
 Return true if this Value has exactly N uses.
 
TypegetType () const
 
ContextgetContext () const
 
void replaceUsesWithIf (Value *OtherV, llvm::function_ref< bool(const Use &)> ShouldReplace)
 
void replaceAllUsesWith (Value *Other)
 
StringRef getName () const
 \Returns the LLVM IR name of the bottom-most LLVM value.
 
virtual void verify () const =0
 Should crash if there is something wrong with the instruction.
 
std::string getUid () const
 Returns the unique id in the form 'SB<number>.' like 'SB1.'.
 
virtual void dumpCommonHeader (raw_ostream &OS) const
 
void dumpCommonFooter (raw_ostream &OS) const
 
void dumpCommonPrefix (raw_ostream &OS) const
 
void dumpCommonSuffix (raw_ostream &OS) const
 
void printAsOperandCommon (raw_ostream &OS) const
 
virtual void dumpOS (raw_ostream &OS) const =0
 
LLVM_DUMP_METHOD void dump () const
 

Static Public Member Functions

static UndefValueget (Type *T)
 Static factory methods - Return an 'undef' object of the specified type.
 
static bool classof (const sandboxir::Value *From)
 For isa/dyn_cast.
 
- Static Public Member Functions inherited from llvm::sandboxir::Constant
static bool classof (const sandboxir::Value *From)
 For isa/dyn_cast.
 
- Static Public Member Functions inherited from llvm::sandboxir::User
static bool classof (const Value *From)
 For isa/dyn_cast.
 

Protected Member Functions

 UndefValue (llvm::UndefValue *C, Context &Ctx)
 
 UndefValue (ClassID ID, llvm::Constant *C, Context &Ctx)
 
- Protected Member Functions inherited from llvm::sandboxir::Constant
 Constant (llvm::Constant *C, sandboxir::Context &SBCtx)
 
 Constant (ClassID ID, llvm::Constant *C, sandboxir::Context &SBCtx)
 
Use getOperandUseInternal (unsigned OpIdx, bool Verify) const override
 \Returns the Use for the OpIdx'th operand.
 
- Protected Member Functions inherited from llvm::sandboxir::User
 User (ClassID ID, llvm::Value *V, Context &Ctx)
 
Use getOperandUseDefault (unsigned OpIdx, bool Verify) const
 \Returns the Use edge that corresponds to OpIdx.
 
virtual Use getOperandUseInternal (unsigned OpIdx, bool Verify) const =0
 \Returns the Use for the OpIdx'th operand.
 
unsigned getUseOperandNoDefault (const Use &Use) const
 The default implementation works only for single-LLVMIR-instruction Users and only if they match exactly the LLVM instruction.
 
virtual unsigned getUseOperandNo (const Use &Use) const =0
 \Returns the operand index of Use.
 
void swapOperandsInternal (unsigned OpIdxA, unsigned OpIdxB)
 
void verifyUserOfLLVMUse (const llvm::Use &Use) const
 
- Protected Member Functions inherited from llvm::sandboxir::Value
void clearValue ()
 
 Value (ClassID SubclassID, llvm::Value *Val, Context &Ctx)
 
 Value (const Value &)=delete
 Disable copies.
 
Valueoperator= (const Value &)=delete
 

Friends

class Context
 

Additional Inherited Members

- Public Types inherited from llvm::sandboxir::User
using op_iterator = OperandUseIterator
 
using const_op_iterator = OperandUseIterator
 
using op_range = iterator_range< op_iterator >
 
using const_op_range = iterator_range< const_op_iterator >
 
- Public Types inherited from llvm::sandboxir::Value
enum class  ClassID : unsigned { DEF_VALUE , DEF_USER , DEF_CONST , DEF_INSTR }
 
using use_iterator = UserUseIterator
 
using const_use_iterator = UserUseIterator
 
using user_iterator = mapped_iterator< sandboxir::UserUseIterator, UseToUser >
 
using const_user_iterator = user_iterator
 
- Static Protected Member Functions inherited from llvm::sandboxir::Value
static const chargetSubclassIDStr (ClassID ID)
 
- Protected Attributes inherited from llvm::sandboxir::Value
ClassID SubclassID
 For isa/dyn_cast.
 
unsigned UID
 A unique ID used for forming the name (used for debugging).
 
llvm::ValueVal = nullptr
 The LLVM Value that corresponds to this SandboxIR Value.
 
ContextCtx
 All values point to the context.
 

Detailed Description

Definition at line 507 of file Constant.h.

Constructor & Destructor Documentation

◆ UndefValue() [1/2]

llvm::sandboxir::UndefValue::UndefValue ( llvm::UndefValue C,
Context Ctx 
)
inlineprotected

Definition at line 509 of file Constant.h.

◆ UndefValue() [2/2]

llvm::sandboxir::UndefValue::UndefValue ( ClassID  ID,
llvm::Constant C,
Context Ctx 
)
inlineprotected

Definition at line 511 of file Constant.h.

Member Function Documentation

◆ classof()

static bool llvm::sandboxir::UndefValue::classof ( const sandboxir::Value From)
inlinestatic

For isa/dyn_cast.

Definition at line 540 of file Constant.h.

References From.

◆ dumpOS()

void llvm::sandboxir::UndefValue::dumpOS ( raw_ostream OS) const
inlineoverridevirtual

◆ get()

UndefValue * llvm::sandboxir::UndefValue::get ( Type T)
static

Static factory methods - Return an 'undef' object of the specified type.

Definition at line 212 of file Constant.cpp.

References llvm::UndefValue::get().

◆ getElementValue() [1/2]

UndefValue * llvm::sandboxir::UndefValue::getElementValue ( Constant C) const

Return an undef of the right value for the specified GEP index if we can, otherwise return null (e.g.

if C is a ConstantExpr).

Definition at line 227 of file Constant.cpp.

References llvm::CallingConv::C, llvm::sandboxir::Value::Ctx, llvm::sandboxir::Context::getOrCreateConstant(), and llvm::sandboxir::Value::Val.

◆ getElementValue() [2/2]

UndefValue * llvm::sandboxir::UndefValue::getElementValue ( unsigned  Idx) const

Return an undef of the right value for the specified GEP index.

Definition at line 233 of file Constant.cpp.

References llvm::sandboxir::Value::Ctx, llvm::sandboxir::Context::getOrCreateConstant(), Idx, and llvm::sandboxir::Value::Val.

◆ getNumElements()

unsigned llvm::sandboxir::UndefValue::getNumElements ( ) const
inline

Return the number of elements in the array, vector, or struct.

Definition at line 535 of file Constant.h.

References llvm::sandboxir::Value::Val.

◆ getSequentialElement()

UndefValue * llvm::sandboxir::UndefValue::getSequentialElement ( ) const

If this Undef has array or vector type, return a undef with the right element type.

Definition at line 217 of file Constant.cpp.

References llvm::sandboxir::Value::Ctx, llvm::sandboxir::Context::getOrCreateConstant(), and llvm::sandboxir::Value::Val.

◆ getStructElement()

UndefValue * llvm::sandboxir::UndefValue::getStructElement ( unsigned  Elt) const

If this undef has struct type, return a undef with the right element type for the specified element.

Definition at line 222 of file Constant.cpp.

References llvm::sandboxir::Value::Ctx, llvm::sandboxir::Context::getOrCreateConstant(), and llvm::sandboxir::Value::Val.

◆ getUseOperandNo()

unsigned llvm::sandboxir::UndefValue::getUseOperandNo ( const Use Use) const
inlinefinalvirtual

\Returns the operand index of Use.

Reimplemented from llvm::sandboxir::Constant.

Definition at line 544 of file Constant.h.

References llvm_unreachable.

◆ verify()

void llvm::sandboxir::UndefValue::verify ( ) const
inlineoverridevirtual

Should crash if there is something wrong with the instruction.

Reimplemented from llvm::sandboxir::Constant.

Reimplemented in llvm::sandboxir::PoisonValue.

Definition at line 548 of file Constant.h.

References assert(), and llvm::sandboxir::Value::Val.

Friends And Related Function Documentation

◆ Context

friend class Context
friend

Definition at line 513 of file Constant.h.


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