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//===-- llvm/IntrinsicInst.h - Intrinsic Instruction Wrappers ---*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file defines classes that make it really easy to deal with intrinsic
// functions with the isa/dyncast family of functions. In particular, this
// allows you to do things like:
//
// if (MemCpyInst *MCI = dyn_cast<MemCpyInst>(Inst))
// ... MCI->getDest() ... MCI->getSource() ...
//
// All intrinsic function calls are instances of the call instruction, so these
// are all subclasses of the CallInst class. Note that none of these classes
// has state or virtual methods, which is an important part of this gross/neat
// hack working.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_IR_INTRINSICINST_H
#define LLVM_IR_INTRINSICINST_H
#include "llvm/IR/Constants.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/FPEnv.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/GlobalVariable.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/Metadata.h"
#include "llvm/IR/Value.h"
#include "llvm/Support/Casting.h"
#include <cassert>
#include <cstdint>
namespace llvm {
/// A wrapper class for inspecting calls to intrinsic functions.
/// This allows the standard isa/dyncast/cast functionality to work with calls
/// to intrinsic functions.
class IntrinsicInst : public CallInst {
public:
IntrinsicInst() = delete;
IntrinsicInst(const IntrinsicInst &) = delete;
IntrinsicInst &operator=(const IntrinsicInst &) = delete;
/// Return the intrinsic ID of this intrinsic.
Intrinsic::ID getIntrinsicID() const {
return getCalledFunction()->getIntrinsicID();
}
// Methods for support type inquiry through isa, cast, and dyn_cast:
static bool classof(const CallInst *I) {
if (const Function *CF = I->getCalledFunction())
return CF->isIntrinsic();
return false;
}
static bool classof(const Value *V) {
return isa<CallInst>(V) && classof(cast<CallInst>(V));
}
};
/// This is the common base class for debug info intrinsics.
class DbgInfoIntrinsic : public IntrinsicInst {
public:
/// \name Casting methods
/// @{
static bool classof(const IntrinsicInst *I) {
switch (I->getIntrinsicID()) {
case Intrinsic::dbg_declare:
case Intrinsic::dbg_value:
case Intrinsic::dbg_addr:
case Intrinsic::dbg_label:
return true;
default: return false;
}
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
/// @}
};
/// This is the common base class for debug info intrinsics for variables.
class DbgVariableIntrinsic : public DbgInfoIntrinsic {
public:
/// Get the location corresponding to the variable referenced by the debug
/// info intrinsic. Depending on the intrinsic, this could be the
/// variable's value or its address.
Value *getVariableLocation(bool AllowNullOp = true) const;
/// Does this describe the address of a local variable. True for dbg.addr
/// and dbg.declare, but not dbg.value, which describes its value.
bool isAddressOfVariable() const {
return getIntrinsicID() != Intrinsic::dbg_value;
}
DILocalVariable *getVariable() const {
return cast<DILocalVariable>(getRawVariable());
}
DIExpression *getExpression() const {
return cast<DIExpression>(getRawExpression());
}
Metadata *getRawVariable() const {
return cast<MetadataAsValue>(getArgOperand(1))->getMetadata();
}
Metadata *getRawExpression() const {
return cast<MetadataAsValue>(getArgOperand(2))->getMetadata();
}
/// Get the size (in bits) of the variable, or fragment of the variable that
/// is described.
Optional<uint64_t> getFragmentSizeInBits() const;
/// \name Casting methods
/// @{
static bool classof(const IntrinsicInst *I) {
switch (I->getIntrinsicID()) {
case Intrinsic::dbg_declare:
case Intrinsic::dbg_value:
case Intrinsic::dbg_addr:
return true;
default: return false;
}
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
/// @}
};
/// This represents the llvm.dbg.declare instruction.
class DbgDeclareInst : public DbgVariableIntrinsic {
public:
Value *getAddress() const { return getVariableLocation(); }
/// \name Casting methods
/// @{
static bool classof(const IntrinsicInst *I) {
return I->getIntrinsicID() == Intrinsic::dbg_declare;
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
/// @}
};
/// This represents the llvm.dbg.addr instruction.
class DbgAddrIntrinsic : public DbgVariableIntrinsic {
public:
Value *getAddress() const { return getVariableLocation(); }
/// \name Casting methods
/// @{
static bool classof(const IntrinsicInst *I) {
return I->getIntrinsicID() == Intrinsic::dbg_addr;
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
};
/// This represents the llvm.dbg.value instruction.
class DbgValueInst : public DbgVariableIntrinsic {
public:
Value *getValue() const {
return getVariableLocation(/* AllowNullOp = */ false);
}
/// \name Casting methods
/// @{
static bool classof(const IntrinsicInst *I) {
return I->getIntrinsicID() == Intrinsic::dbg_value;
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
/// @}
};
/// This represents the llvm.dbg.label instruction.
class DbgLabelInst : public DbgInfoIntrinsic {
public:
DILabel *getLabel() const {
return cast<DILabel>(getRawLabel());
}
Metadata *getRawLabel() const {
return cast<MetadataAsValue>(getArgOperand(0))->getMetadata();
}
/// Methods for support type inquiry through isa, cast, and dyn_cast:
/// @{
static bool classof(const IntrinsicInst *I) {
return I->getIntrinsicID() == Intrinsic::dbg_label;
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
/// @}
};
/// This is the common base class for constrained floating point intrinsics.
class ConstrainedFPIntrinsic : public IntrinsicInst {
public:
bool isUnaryOp() const;
bool isTernaryOp() const;
Optional<fp::RoundingMode> getRoundingMode() const;
Optional<fp::ExceptionBehavior> getExceptionBehavior() const;
// Methods for support type inquiry through isa, cast, and dyn_cast:
static bool classof(const IntrinsicInst *I);
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
};
/// Constrained floating point compare intrinsics.
class ConstrainedFPCmpIntrinsic : public ConstrainedFPIntrinsic {
public:
FCmpInst::Predicate getPredicate() const;
// Methods for support type inquiry through isa, cast, and dyn_cast:
static bool classof(const IntrinsicInst *I) {
switch (I->getIntrinsicID()) {
case Intrinsic::experimental_constrained_fcmp:
case Intrinsic::experimental_constrained_fcmps:
return true;
default: return false;
}
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
};
/// This class represents an intrinsic that is based on a binary operation.
/// This includes op.with.overflow and saturating add/sub intrinsics.
class BinaryOpIntrinsic : public IntrinsicInst {
public:
static bool classof(const IntrinsicInst *I) {
switch (I->getIntrinsicID()) {
case Intrinsic::uadd_with_overflow:
case Intrinsic::sadd_with_overflow:
case Intrinsic::usub_with_overflow:
case Intrinsic::ssub_with_overflow:
case Intrinsic::umul_with_overflow:
case Intrinsic::smul_with_overflow:
case Intrinsic::uadd_sat:
case Intrinsic::sadd_sat:
case Intrinsic::usub_sat:
case Intrinsic::ssub_sat:
return true;
default:
return false;
}
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
Value *getLHS() const { return const_cast<Value*>(getArgOperand(0)); }
Value *getRHS() const { return const_cast<Value*>(getArgOperand(1)); }
/// Returns the binary operation underlying the intrinsic.
Instruction::BinaryOps getBinaryOp() const;
/// Whether the intrinsic is signed or unsigned.
bool isSigned() const;
/// Returns one of OBO::NoSignedWrap or OBO::NoUnsignedWrap.
unsigned getNoWrapKind() const;
};
/// Represents an op.with.overflow intrinsic.
class WithOverflowInst : public BinaryOpIntrinsic {
public:
static bool classof(const IntrinsicInst *I) {
switch (I->getIntrinsicID()) {
case Intrinsic::uadd_with_overflow:
case Intrinsic::sadd_with_overflow:
case Intrinsic::usub_with_overflow:
case Intrinsic::ssub_with_overflow:
case Intrinsic::umul_with_overflow:
case Intrinsic::smul_with_overflow:
return true;
default:
return false;
}
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
};
/// Represents a saturating add/sub intrinsic.
class SaturatingInst : public BinaryOpIntrinsic {
public:
static bool classof(const IntrinsicInst *I) {
switch (I->getIntrinsicID()) {
case Intrinsic::uadd_sat:
case Intrinsic::sadd_sat:
case Intrinsic::usub_sat:
case Intrinsic::ssub_sat:
return true;
default:
return false;
}
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
};
/// Common base class for all memory intrinsics. Simply provides
/// common methods.
/// Written as CRTP to avoid a common base class amongst the
/// three atomicity hierarchies.
template <typename Derived> class MemIntrinsicBase : public IntrinsicInst {
private:
enum { ARG_DEST = 0, ARG_LENGTH = 2 };
public:
Value *getRawDest() const {
return const_cast<Value *>(getArgOperand(ARG_DEST));
}
const Use &getRawDestUse() const { return getArgOperandUse(ARG_DEST); }
Use &getRawDestUse() { return getArgOperandUse(ARG_DEST); }
Value *getLength() const {
return const_cast<Value *>(getArgOperand(ARG_LENGTH));
}
const Use &getLengthUse() const { return getArgOperandUse(ARG_LENGTH); }
Use &getLengthUse() { return getArgOperandUse(ARG_LENGTH); }
/// This is just like getRawDest, but it strips off any cast
/// instructions (including addrspacecast) that feed it, giving the
/// original input. The returned value is guaranteed to be a pointer.
Value *getDest() const { return getRawDest()->stripPointerCasts(); }
unsigned getDestAddressSpace() const {
return cast<PointerType>(getRawDest()->getType())->getAddressSpace();
}
/// FIXME: Remove this function once transition to Align is over.
/// Use getDestAlign() instead.
unsigned getDestAlignment() const { return getParamAlignment(ARG_DEST); }
MaybeAlign getDestAlign() const { return getParamAlign(ARG_DEST); }
/// Set the specified arguments of the instruction.
void setDest(Value *Ptr) {
assert(getRawDest()->getType() == Ptr->getType() &&
"setDest called with pointer of wrong type!");
setArgOperand(ARG_DEST, Ptr);
}
/// FIXME: Remove this function once transition to Align is over.
/// Use the version that takes MaybeAlign instead of this one.
void setDestAlignment(unsigned Alignment) {
setDestAlignment(MaybeAlign(Alignment));
}
void setDestAlignment(MaybeAlign Alignment) {
removeParamAttr(ARG_DEST, Attribute::Alignment);
if (Alignment)
addParamAttr(ARG_DEST,
Attribute::getWithAlignment(getContext(), *Alignment));
}
void setDestAlignment(Align Alignment) {
removeParamAttr(ARG_DEST, Attribute::Alignment);
addParamAttr(ARG_DEST,
Attribute::getWithAlignment(getContext(), Alignment));
}
void setLength(Value *L) {
assert(getLength()->getType() == L->getType() &&
"setLength called with value of wrong type!");
setArgOperand(ARG_LENGTH, L);
}
};
/// Common base class for all memory transfer intrinsics. Simply provides
/// common methods.
template <class BaseCL> class MemTransferBase : public BaseCL {
private:
enum { ARG_SOURCE = 1 };
public:
/// Return the arguments to the instruction.
Value *getRawSource() const {
return const_cast<Value *>(BaseCL::getArgOperand(ARG_SOURCE));
}
const Use &getRawSourceUse() const {
return BaseCL::getArgOperandUse(ARG_SOURCE);
}
Use &getRawSourceUse() { return BaseCL::getArgOperandUse(ARG_SOURCE); }
/// This is just like getRawSource, but it strips off any cast
/// instructions that feed it, giving the original input. The returned
/// value is guaranteed to be a pointer.
Value *getSource() const { return getRawSource()->stripPointerCasts(); }
unsigned getSourceAddressSpace() const {
return cast<PointerType>(getRawSource()->getType())->getAddressSpace();
}
/// FIXME: Remove this function once transition to Align is over.
/// Use getSourceAlign() instead.
unsigned getSourceAlignment() const {
return BaseCL::getParamAlignment(ARG_SOURCE);
}
MaybeAlign getSourceAlign() const {
return BaseCL::getParamAlign(ARG_SOURCE);
}
void setSource(Value *Ptr) {
assert(getRawSource()->getType() == Ptr->getType() &&
"setSource called with pointer of wrong type!");
BaseCL::setArgOperand(ARG_SOURCE, Ptr);
}
/// FIXME: Remove this function once transition to Align is over.
/// Use the version that takes MaybeAlign instead of this one.
void setSourceAlignment(unsigned Alignment) {
setSourceAlignment(MaybeAlign(Alignment));
}
void setSourceAlignment(MaybeAlign Alignment) {
BaseCL::removeParamAttr(ARG_SOURCE, Attribute::Alignment);
if (Alignment)
BaseCL::addParamAttr(ARG_SOURCE, Attribute::getWithAlignment(
BaseCL::getContext(), *Alignment));
}
void setSourceAlignment(Align Alignment) {
BaseCL::removeParamAttr(ARG_SOURCE, Attribute::Alignment);
BaseCL::addParamAttr(ARG_SOURCE, Attribute::getWithAlignment(
BaseCL::getContext(), Alignment));
}
};
/// Common base class for all memset intrinsics. Simply provides
/// common methods.
template <class BaseCL> class MemSetBase : public BaseCL {
private:
enum { ARG_VALUE = 1 };
public:
Value *getValue() const {
return const_cast<Value *>(BaseCL::getArgOperand(ARG_VALUE));
}
const Use &getValueUse() const {
return BaseCL::getArgOperandUse(ARG_VALUE);
}
Use &getValueUse() { return BaseCL::getArgOperandUse(ARG_VALUE); }
void setValue(Value *Val) {
assert(getValue()->getType() == Val->getType() &&
"setValue called with value of wrong type!");
BaseCL::setArgOperand(ARG_VALUE, Val);
}
};
// The common base class for the atomic memset/memmove/memcpy intrinsics
// i.e. llvm.element.unordered.atomic.memset/memcpy/memmove
class AtomicMemIntrinsic : public MemIntrinsicBase<AtomicMemIntrinsic> {
private:
enum { ARG_ELEMENTSIZE = 3 };
public:
Value *getRawElementSizeInBytes() const {
return const_cast<Value *>(getArgOperand(ARG_ELEMENTSIZE));
}
ConstantInt *getElementSizeInBytesCst() const {
return cast<ConstantInt>(getRawElementSizeInBytes());
}
uint32_t getElementSizeInBytes() const {
return getElementSizeInBytesCst()->getZExtValue();
}
void setElementSizeInBytes(Constant *V) {
assert(V->getType() == Type::getInt8Ty(getContext()) &&
"setElementSizeInBytes called with value of wrong type!");
setArgOperand(ARG_ELEMENTSIZE, V);
}
static bool classof(const IntrinsicInst *I) {
switch (I->getIntrinsicID()) {
case Intrinsic::memcpy_element_unordered_atomic:
case Intrinsic::memmove_element_unordered_atomic:
case Intrinsic::memset_element_unordered_atomic:
return true;
default:
return false;
}
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
};
/// This class represents atomic memset intrinsic
// i.e. llvm.element.unordered.atomic.memset
class AtomicMemSetInst : public MemSetBase<AtomicMemIntrinsic> {
public:
static bool classof(const IntrinsicInst *I) {
return I->getIntrinsicID() == Intrinsic::memset_element_unordered_atomic;
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
};
// This class wraps the atomic memcpy/memmove intrinsics
// i.e. llvm.element.unordered.atomic.memcpy/memmove
class AtomicMemTransferInst : public MemTransferBase<AtomicMemIntrinsic> {
public:
static bool classof(const IntrinsicInst *I) {
switch (I->getIntrinsicID()) {
case Intrinsic::memcpy_element_unordered_atomic:
case Intrinsic::memmove_element_unordered_atomic:
return true;
default:
return false;
}
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
};
/// This class represents the atomic memcpy intrinsic
/// i.e. llvm.element.unordered.atomic.memcpy
class AtomicMemCpyInst : public AtomicMemTransferInst {
public:
static bool classof(const IntrinsicInst *I) {
return I->getIntrinsicID() == Intrinsic::memcpy_element_unordered_atomic;
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
};
/// This class represents the atomic memmove intrinsic
/// i.e. llvm.element.unordered.atomic.memmove
class AtomicMemMoveInst : public AtomicMemTransferInst {
public:
static bool classof(const IntrinsicInst *I) {
return I->getIntrinsicID() == Intrinsic::memmove_element_unordered_atomic;
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
};
/// This is the common base class for memset/memcpy/memmove.
class MemIntrinsic : public MemIntrinsicBase<MemIntrinsic> {
private:
enum { ARG_VOLATILE = 3 };
public:
ConstantInt *getVolatileCst() const {
return cast<ConstantInt>(
const_cast<Value *>(getArgOperand(ARG_VOLATILE)));
}
bool isVolatile() const {
return !getVolatileCst()->isZero();
}
void setVolatile(Constant *V) { setArgOperand(ARG_VOLATILE, V); }
// Methods for support type inquiry through isa, cast, and dyn_cast:
static bool classof(const IntrinsicInst *I) {
switch (I->getIntrinsicID()) {
case Intrinsic::memcpy:
case Intrinsic::memmove:
case Intrinsic::memset:
return true;
default: return false;
}
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
};
/// This class wraps the llvm.memset intrinsic.
class MemSetInst : public MemSetBase<MemIntrinsic> {
public:
// Methods for support type inquiry through isa, cast, and dyn_cast:
static bool classof(const IntrinsicInst *I) {
return I->getIntrinsicID() == Intrinsic::memset;
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
};
/// This class wraps the llvm.memcpy/memmove intrinsics.
class MemTransferInst : public MemTransferBase<MemIntrinsic> {
public:
// Methods for support type inquiry through isa, cast, and dyn_cast:
static bool classof(const IntrinsicInst *I) {
return I->getIntrinsicID() == Intrinsic::memcpy ||
I->getIntrinsicID() == Intrinsic::memmove;
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
};
/// This class wraps the llvm.memcpy intrinsic.
class MemCpyInst : public MemTransferInst {
public:
// Methods for support type inquiry through isa, cast, and dyn_cast:
static bool classof(const IntrinsicInst *I) {
return I->getIntrinsicID() == Intrinsic::memcpy;
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
};
/// This class wraps the llvm.memmove intrinsic.
class MemMoveInst : public MemTransferInst {
public:
// Methods for support type inquiry through isa, cast, and dyn_cast:
static bool classof(const IntrinsicInst *I) {
return I->getIntrinsicID() == Intrinsic::memmove;
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
};
// The common base class for any memset/memmove/memcpy intrinsics;
// whether they be atomic or non-atomic.
// i.e. llvm.element.unordered.atomic.memset/memcpy/memmove
// and llvm.memset/memcpy/memmove
class AnyMemIntrinsic : public MemIntrinsicBase<AnyMemIntrinsic> {
public:
bool isVolatile() const {
// Only the non-atomic intrinsics can be volatile
if (auto *MI = dyn_cast<MemIntrinsic>(this))
return MI->isVolatile();
return false;
}
static bool classof(const IntrinsicInst *I) {
switch (I->getIntrinsicID()) {
case Intrinsic::memcpy:
case Intrinsic::memmove:
case Intrinsic::memset:
case Intrinsic::memcpy_element_unordered_atomic:
case Intrinsic::memmove_element_unordered_atomic:
case Intrinsic::memset_element_unordered_atomic:
return true;
default:
return false;
}
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
};
/// This class represents any memset intrinsic
// i.e. llvm.element.unordered.atomic.memset
// and llvm.memset
class AnyMemSetInst : public MemSetBase<AnyMemIntrinsic> {
public:
static bool classof(const IntrinsicInst *I) {
switch (I->getIntrinsicID()) {
case Intrinsic::memset:
case Intrinsic::memset_element_unordered_atomic:
return true;
default:
return false;
}
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
};
// This class wraps any memcpy/memmove intrinsics
// i.e. llvm.element.unordered.atomic.memcpy/memmove
// and llvm.memcpy/memmove
class AnyMemTransferInst : public MemTransferBase<AnyMemIntrinsic> {
public:
static bool classof(const IntrinsicInst *I) {
switch (I->getIntrinsicID()) {
case Intrinsic::memcpy:
case Intrinsic::memmove:
case Intrinsic::memcpy_element_unordered_atomic:
case Intrinsic::memmove_element_unordered_atomic:
return true;
default:
return false;
}
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
};
/// This class represents any memcpy intrinsic
/// i.e. llvm.element.unordered.atomic.memcpy
/// and llvm.memcpy
class AnyMemCpyInst : public AnyMemTransferInst {
public:
static bool classof(const IntrinsicInst *I) {
switch (I->getIntrinsicID()) {
case Intrinsic::memcpy:
case Intrinsic::memcpy_element_unordered_atomic:
return true;
default:
return false;
}
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
};
/// This class represents any memmove intrinsic
/// i.e. llvm.element.unordered.atomic.memmove
/// and llvm.memmove
class AnyMemMoveInst : public AnyMemTransferInst {
public:
static bool classof(const IntrinsicInst *I) {
switch (I->getIntrinsicID()) {
case Intrinsic::memmove:
case Intrinsic::memmove_element_unordered_atomic:
return true;
default:
return false;
}
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
};
/// This represents the llvm.va_start intrinsic.
class VAStartInst : public IntrinsicInst {
public:
static bool classof(const IntrinsicInst *I) {
return I->getIntrinsicID() == Intrinsic::vastart;
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
Value *getArgList() const { return const_cast<Value*>(getArgOperand(0)); }
};
/// This represents the llvm.va_end intrinsic.
class VAEndInst : public IntrinsicInst {
public:
static bool classof(const IntrinsicInst *I) {
return I->getIntrinsicID() == Intrinsic::vaend;
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
Value *getArgList() const { return const_cast<Value*>(getArgOperand(0)); }
};
/// This represents the llvm.va_copy intrinsic.
class VACopyInst : public IntrinsicInst {
public:
static bool classof(const IntrinsicInst *I) {
return I->getIntrinsicID() == Intrinsic::vacopy;
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
Value *getDest() const { return const_cast<Value*>(getArgOperand(0)); }
Value *getSrc() const { return const_cast<Value*>(getArgOperand(1)); }
};
/// This represents the llvm.instrprof_increment intrinsic.
class InstrProfIncrementInst : public IntrinsicInst {
public:
static bool classof(const IntrinsicInst *I) {
return I->getIntrinsicID() == Intrinsic::instrprof_increment;
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
GlobalVariable *getName() const {
return cast<GlobalVariable>(
const_cast<Value *>(getArgOperand(0))->stripPointerCasts());
}
ConstantInt *getHash() const {
return cast<ConstantInt>(const_cast<Value *>(getArgOperand(1)));
}
ConstantInt *getNumCounters() const {
return cast<ConstantInt>(const_cast<Value *>(getArgOperand(2)));
}
ConstantInt *getIndex() const {
return cast<ConstantInt>(const_cast<Value *>(getArgOperand(3)));
}
Value *getStep() const;
};
class InstrProfIncrementInstStep : public InstrProfIncrementInst {
public:
static bool classof(const IntrinsicInst *I) {
return I->getIntrinsicID() == Intrinsic::instrprof_increment_step;
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
};
/// This represents the llvm.instrprof_value_profile intrinsic.
class InstrProfValueProfileInst : public IntrinsicInst {
public:
static bool classof(const IntrinsicInst *I) {
return I->getIntrinsicID() == Intrinsic::instrprof_value_profile;
}
static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}
GlobalVariable *getName() const {
return cast<GlobalVariable>(
const_cast<Value *>(getArgOperand(0))->stripPointerCasts());
}
ConstantInt *getHash() const {
return cast<ConstantInt>(const_cast<Value *>(getArgOperand(1)));
}
Value *getTargetValue() const {
return cast<Value>(const_cast<Value *>(getArgOperand(2)));
}
ConstantInt *getValueKind() const {
return cast<ConstantInt>(const_cast<Value *>(getArgOperand(3)));
}
// Returns the value site index.
ConstantInt *getIndex() const {
return cast<ConstantInt>(const_cast<Value *>(getArgOperand(4)));
}
};
} // end namespace llvm
#endif // LLVM_IR_INTRINSICINST_H
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