#define LLVM_IR_INSTRUCTIONS_H
#include "llvm/ADT/ArrayRef.h"
-#include "llvm/ADT/iterator_range.h"
#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/iterator_range.h"
#include "llvm/IR/Attributes.h"
#include "llvm/IR/CallingConv.h"
#include "llvm/IR/DerivedTypes.h"
CrossThread = 1
};
+/// Returns true if the ordering is at least as strong as acquire
+/// (i.e. acquire, acq_rel or seq_cst)
+inline bool isAtLeastAcquire(AtomicOrdering Ord) {
+ return (Ord == Acquire ||
+ Ord == AcquireRelease ||
+ Ord == SequentiallyConsistent);
+}
+
+/// Returns true if the ordering is at least as strong as release
+/// (i.e. release, acq_rel or seq_cst)
+inline bool isAtLeastRelease(AtomicOrdering Ord) {
+return (Ord == Release ||
+ Ord == AcquireRelease ||
+ Ord == SequentiallyConsistent);
+}
+
//===----------------------------------------------------------------------===//
// AllocaInst Class
//===----------------------------------------------------------------------===//
return getSubclassDataFromInstruction() & 32;
}
- /// \brief Specify whether this alloca is used to represent a the arguments to
+ /// \brief Specify whether this alloca is used to represent the arguments to
/// a call.
void setUsedWithInAlloca(bool V) {
setInstructionSubclassData((getSubclassDataFromInstruction() & ~32) |
unsigned Align, Instruction *InsertBefore = nullptr);
LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile,
unsigned Align, BasicBlock *InsertAtEnd);
- LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile,
+ LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile, unsigned Align,
+ AtomicOrdering Order, SynchronizationScope SynchScope = CrossThread,
+ Instruction *InsertBefore = nullptr)
+ : LoadInst(cast<PointerType>(Ptr->getType())->getElementType(), Ptr,
+ NameStr, isVolatile, Align, Order, SynchScope, InsertBefore) {}
+ LoadInst(Type *Ty, Value *Ptr, const Twine &NameStr, bool isVolatile,
unsigned Align, AtomicOrdering Order,
SynchronizationScope SynchScope = CrossThread,
Instruction *InsertBefore = nullptr);
(xthread << 6));
}
- bool isAtomic() const { return getOrdering() != NotAtomic; }
void setAtomic(AtomicOrdering Ordering,
SynchronizationScope SynchScope = CrossThread) {
setOrdering(Ordering);
/// StoreInst - an instruction for storing to memory
///
class StoreInst : public Instruction {
- void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
+ void *operator new(size_t, unsigned) = delete;
void AssertOK();
protected:
StoreInst *clone_impl() const override;
(xthread << 6));
}
- bool isAtomic() const { return getOrdering() != NotAtomic; }
void setAtomic(AtomicOrdering Ordering,
SynchronizationScope SynchScope = CrossThread) {
setOrdering(Ordering);
/// FenceInst - an instruction for ordering other memory operations
///
class FenceInst : public Instruction {
- void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
+ void *operator new(size_t, unsigned) = delete;
void Init(AtomicOrdering Ordering, SynchronizationScope SynchScope);
protected:
FenceInst *clone_impl() const override;
/// there. Returns the value that was loaded.
///
class AtomicCmpXchgInst : public Instruction {
- void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
+ void *operator new(size_t, unsigned) = delete;
void Init(Value *Ptr, Value *Cmp, Value *NewVal,
AtomicOrdering SuccessOrdering, AtomicOrdering FailureOrdering,
SynchronizationScope SynchScope);
(unsigned)V);
}
+ /// Return true if this cmpxchg may spuriously fail.
+ bool isWeak() const {
+ return getSubclassDataFromInstruction() & 0x100;
+ }
+
+ void setWeak(bool IsWeak) {
+ setInstructionSubclassData((getSubclassDataFromInstruction() & ~0x100) |
+ (IsWeak << 8));
+ }
+
/// Transparently provide more efficient getOperand methods.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
/// the old value.
///
class AtomicRMWInst : public Instruction {
- void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
+ void *operator new(size_t, unsigned) = delete;
protected:
AtomicRMWInst *clone_impl() const override;
public:
Sub,
/// *p = old & v
And,
- /// *p = ~old & v
+ /// *p = ~(old & v)
Nand,
/// *p = old | v
Or,
/// list of indices. The first ctor can optionally insert before an existing
/// instruction, the second appends the new instruction to the specified
/// BasicBlock.
- inline GetElementPtrInst(Value *Ptr, ArrayRef<Value *> IdxList,
- unsigned Values, const Twine &NameStr,
- Instruction *InsertBefore);
- inline GetElementPtrInst(Value *Ptr, ArrayRef<Value *> IdxList,
- unsigned Values, const Twine &NameStr,
- BasicBlock *InsertAtEnd);
+ inline GetElementPtrInst(Type *PointeeType, Value *Ptr,
+ ArrayRef<Value *> IdxList, unsigned Values,
+ const Twine &NameStr, Instruction *InsertBefore);
+ inline GetElementPtrInst(Type *PointeeType, Value *Ptr,
+ ArrayRef<Value *> IdxList, unsigned Values,
+ const Twine &NameStr, BasicBlock *InsertAtEnd);
+
protected:
GetElementPtrInst *clone_impl() const override;
public:
- static GetElementPtrInst *Create(Value *Ptr, ArrayRef<Value *> IdxList,
+ static GetElementPtrInst *Create(Type *PointeeType, Value *Ptr,
+ ArrayRef<Value *> IdxList,
const Twine &NameStr = "",
Instruction *InsertBefore = nullptr) {
unsigned Values = 1 + unsigned(IdxList.size());
- return new(Values)
- GetElementPtrInst(Ptr, IdxList, Values, NameStr, InsertBefore);
+ return new (Values) GetElementPtrInst(PointeeType, Ptr, IdxList, Values,
+ NameStr, InsertBefore);
}
- static GetElementPtrInst *Create(Value *Ptr, ArrayRef<Value *> IdxList,
+ static GetElementPtrInst *Create(Type *PointeeType, Value *Ptr,
+ ArrayRef<Value *> IdxList,
const Twine &NameStr,
BasicBlock *InsertAtEnd) {
unsigned Values = 1 + unsigned(IdxList.size());
- return new(Values)
- GetElementPtrInst(Ptr, IdxList, Values, NameStr, InsertAtEnd);
+ return new (Values) GetElementPtrInst(PointeeType, Ptr, IdxList, Values,
+ NameStr, InsertAtEnd);
}
/// Create an "inbounds" getelementptr. See the documentation for the
ArrayRef<Value *> IdxList,
const Twine &NameStr = "",
Instruction *InsertBefore = nullptr){
- GetElementPtrInst *GEP = Create(Ptr, IdxList, NameStr, InsertBefore);
+ return CreateInBounds(nullptr, Ptr, IdxList, NameStr, InsertBefore);
+ }
+ static GetElementPtrInst *
+ CreateInBounds(Type *PointeeType, Value *Ptr, ArrayRef<Value *> IdxList,
+ const Twine &NameStr = "",
+ Instruction *InsertBefore = nullptr) {
+ GetElementPtrInst *GEP =
+ Create(PointeeType, Ptr, IdxList, NameStr, InsertBefore);
GEP->setIsInBounds(true);
return GEP;
}
ArrayRef<Value *> IdxList,
const Twine &NameStr,
BasicBlock *InsertAtEnd) {
- GetElementPtrInst *GEP = Create(Ptr, IdxList, NameStr, InsertAtEnd);
+ return CreateInBounds(nullptr, Ptr, IdxList, NameStr, InsertAtEnd);
+ }
+ static GetElementPtrInst *CreateInBounds(Type *PointeeType, Value *Ptr,
+ ArrayRef<Value *> IdxList,
+ const Twine &NameStr,
+ BasicBlock *InsertAtEnd) {
+ GetElementPtrInst *GEP =
+ Create(PointeeType, Ptr, IdxList, NameStr, InsertAtEnd);
GEP->setIsInBounds(true);
return GEP;
}
return cast<SequentialType>(Instruction::getType());
}
+ Type *getSourceElementType() const {
+ return cast<SequentialType>(getPointerOperandType()->getScalarType())
+ ->getElementType();
+ }
+
+ Type *getResultElementType() const { return getType()->getElementType(); }
+
/// \brief Returns the address space of this instruction's pointer type.
unsigned getAddressSpace() const {
// Note that this is always the same as the pointer operand's address space
/// Null is returned if the indices are invalid for the specified
/// pointer type.
///
- static Type *getIndexedType(Type *Ptr, ArrayRef<Value *> IdxList);
- static Type *getIndexedType(Type *Ptr, ArrayRef<Constant *> IdxList);
- static Type *getIndexedType(Type *Ptr, ArrayRef<uint64_t> IdxList);
+ static Type *getIndexedType(Type *Ty, ArrayRef<Value *> IdxList);
+ static Type *getIndexedType(Type *Ty, ArrayRef<Constant *> IdxList);
+ static Type *getIndexedType(Type *Ty, ArrayRef<uint64_t> IdxList);
inline op_iterator idx_begin() { return op_begin()+1; }
inline const_op_iterator idx_begin() const { return op_begin()+1; }
/// GetGEPReturnType - Returns the pointer type returned by the GEP
/// instruction, which may be a vector of pointers.
static Type *getGEPReturnType(Value *Ptr, ArrayRef<Value *> IdxList) {
- Type *PtrTy = PointerType::get(checkGEPType(
- getIndexedType(Ptr->getType(), IdxList)),
- Ptr->getType()->getPointerAddressSpace());
+ Type *PtrTy =
+ PointerType::get(checkGEPType(getIndexedType(
+ cast<PointerType>(Ptr->getType()->getScalarType())
+ ->getElementType(),
+ IdxList)),
+ Ptr->getType()->getPointerAddressSpace());
// Vector GEP
if (Ptr->getType()->isVectorTy()) {
unsigned NumElem = cast<VectorType>(Ptr->getType())->getNumElements();
public VariadicOperandTraits<GetElementPtrInst, 1> {
};
-GetElementPtrInst::GetElementPtrInst(Value *Ptr,
- ArrayRef<Value *> IdxList,
- unsigned Values,
+GetElementPtrInst::GetElementPtrInst(Type *PointeeType, Value *Ptr,
+ ArrayRef<Value *> IdxList, unsigned Values,
const Twine &NameStr,
Instruction *InsertBefore)
- : Instruction(getGEPReturnType(Ptr, IdxList),
- GetElementPtr,
- OperandTraits<GetElementPtrInst>::op_end(this) - Values,
- Values, InsertBefore) {
+ : Instruction(getGEPReturnType(Ptr, IdxList), GetElementPtr,
+ OperandTraits<GetElementPtrInst>::op_end(this) - Values,
+ Values, InsertBefore) {
init(Ptr, IdxList, NameStr);
+ assert(!PointeeType || PointeeType == getSourceElementType());
}
-GetElementPtrInst::GetElementPtrInst(Value *Ptr,
- ArrayRef<Value *> IdxList,
- unsigned Values,
+GetElementPtrInst::GetElementPtrInst(Type *PointeeType, Value *Ptr,
+ ArrayRef<Value *> IdxList, unsigned Values,
const Twine &NameStr,
BasicBlock *InsertAtEnd)
- : Instruction(getGEPReturnType(Ptr, IdxList),
- GetElementPtr,
- OperandTraits<GetElementPtrInst>::op_end(this) - Values,
- Values, InsertAtEnd) {
+ : Instruction(getGEPReturnType(Ptr, IdxList), GetElementPtr,
+ OperandTraits<GetElementPtrInst>::op_end(this) - Values,
+ Values, InsertAtEnd) {
init(Ptr, IdxList, NameStr);
+ assert(!PointeeType || PointeeType == getSourceElementType());
}
/// @returns true if the predicate of this instruction is EQ or NE.
/// \brief Determine if this is an equality predicate.
- bool isEquality() const {
- return getPredicate() == FCMP_OEQ || getPredicate() == FCMP_ONE ||
- getPredicate() == FCMP_UEQ || getPredicate() == FCMP_UNE;
+ static bool isEquality(Predicate Pred) {
+ return Pred == FCMP_OEQ || Pred == FCMP_ONE || Pred == FCMP_UEQ ||
+ Pred == FCMP_UNE;
}
+ /// @returns true if the predicate of this instruction is EQ or NE.
+ /// \brief Determine if this is an equality predicate.
+ bool isEquality() const { return isEquality(getPredicate()); }
+
/// @returns true if the predicate of this instruction is commutative.
/// \brief Determine if this is a commutative predicate.
bool isCommutative() const {
~CallInst();
- bool isTailCall() const { return getSubclassDataFromInstruction() & 1; }
+ // Note that 'musttail' implies 'tail'.
+ enum TailCallKind { TCK_None = 0, TCK_Tail = 1, TCK_MustTail = 2 };
+ TailCallKind getTailCallKind() const {
+ return TailCallKind(getSubclassDataFromInstruction() & 3);
+ }
+ bool isTailCall() const {
+ return (getSubclassDataFromInstruction() & 3) != TCK_None;
+ }
+ bool isMustTailCall() const {
+ return (getSubclassDataFromInstruction() & 3) == TCK_MustTail;
+ }
void setTailCall(bool isTC = true) {
- setInstructionSubclassData((getSubclassDataFromInstruction() & ~1) |
- unsigned(isTC));
+ setInstructionSubclassData((getSubclassDataFromInstruction() & ~3) |
+ unsigned(isTC ? TCK_Tail : TCK_None));
+ }
+ void setTailCallKind(TailCallKind TCK) {
+ setInstructionSubclassData((getSubclassDataFromInstruction() & ~3) |
+ unsigned(TCK));
}
/// Provide fast operand accessors
/// getCallingConv/setCallingConv - Get or set the calling convention of this
/// function call.
CallingConv::ID getCallingConv() const {
- return static_cast<CallingConv::ID>(getSubclassDataFromInstruction() >> 1);
+ return static_cast<CallingConv::ID>(getSubclassDataFromInstruction() >> 2);
}
void setCallingConv(CallingConv::ID CC) {
- setInstructionSubclassData((getSubclassDataFromInstruction() & 1) |
- (static_cast<unsigned>(CC) << 1));
+ setInstructionSubclassData((getSubclassDataFromInstruction() & 3) |
+ (static_cast<unsigned>(CC) << 2));
}
/// getAttributes - Return the parameter attributes for this call.
/// removeAttribute - removes the attribute from the list of attributes.
void removeAttribute(unsigned i, Attribute attr);
+ /// \brief adds the dereferenceable attribute to the list of attributes.
+ void addDereferenceableAttr(unsigned i, uint64_t Bytes);
+
/// \brief Determine whether this call has the given attribute.
bool hasFnAttr(Attribute::AttrKind A) const {
assert(A != Attribute::NoBuiltin &&
return AttributeList.getParamAlignment(i);
}
+ /// \brief Extract the number of dereferenceable bytes for a call or
+ /// parameter (0=unknown).
+ uint64_t getDereferenceableBytes(unsigned i) const {
+ return AttributeList.getDereferenceableBytes(i);
+ }
+
/// \brief Return true if the call should not be treated as a call to a
/// builtin.
bool isNoBuiltin() const {
typedef const unsigned* idx_iterator;
inline idx_iterator idx_begin() const { return Indices.begin(); }
inline idx_iterator idx_end() const { return Indices.end(); }
+ inline iterator_range<idx_iterator> indices() const {
+ return iterator_range<idx_iterator>(idx_begin(), idx_end());
+ }
Value *getAggregateOperand() {
return getOperand(0);
class InsertValueInst : public Instruction {
SmallVector<unsigned, 4> Indices;
- void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
+ void *operator new(size_t, unsigned) = delete;
InsertValueInst(const InsertValueInst &IVI);
void init(Value *Agg, Value *Val, ArrayRef<unsigned> Idxs,
const Twine &NameStr);
typedef const unsigned* idx_iterator;
inline idx_iterator idx_begin() const { return Indices.begin(); }
inline idx_iterator idx_end() const { return Indices.end(); }
+ inline iterator_range<idx_iterator> indices() const {
+ return iterator_range<idx_iterator>(idx_begin(), idx_end());
+ }
Value *getAggregateOperand() {
return getOperand(0);
// scientist's overactive imagination.
//
class PHINode : public Instruction {
- void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
+ void *operator new(size_t, unsigned) = delete;
/// ReservedSpace - The number of operands actually allocated. NumOperands is
/// the number actually in use.
unsigned ReservedSpace;
return block_begin() + getNumOperands();
}
+ op_range incoming_values() { return operands(); }
+
/// getNumIncomingValues - Return the number of incoming edges
///
unsigned getNumIncomingValues() const { return getNumOperands(); }
public:
enum ClauseType { Catch, Filter };
private:
- void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
+ void *operator new(size_t, unsigned) = delete;
// Allocate space for exactly zero operands.
void *operator new(size_t s) {
return User::operator new(s, 0);
(V ? 1 : 0));
}
- /// addClause - Add a catch or filter clause to the landing pad.
- void addClause(Value *ClauseVal);
+ /// Add a catch or filter clause to the landing pad.
+ void addClause(Constant *ClauseVal);
- /// getClause - Get the value of the clause at index Idx. Use isCatch/isFilter
- /// to determine what type of clause this is.
- Value *getClause(unsigned Idx) const { return OperandList[Idx + 1]; }
+ /// Get the value of the clause at index Idx. Use isCatch/isFilter to
+ /// determine what type of clause this is.
+ Constant *getClause(unsigned Idx) const {
+ return cast<Constant>(OperandList[Idx + 1]);
+ }
/// isCatch - Return 'true' if the clause and index Idx is a catch clause.
bool isCatch(unsigned Idx) const {
/// SwitchInst - Multiway switch
///
class SwitchInst : public TerminatorInst {
- void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
+ void *operator new(size_t, unsigned) = delete;
unsigned ReservedSpace;
// Operand[0] = Value to switch on
// Operand[1] = Default basic block destination
assert(RHS.SI == SI && "Incompatible operators.");
return RHS.Index != Index;
}
+ Self &operator*() {
+ return *this;
+ }
};
typedef CaseIteratorT<const SwitchInst, const ConstantInt, const BasicBlock>
ConstCaseIt case_end() const {
return ConstCaseIt(this, getNumCases());
}
+
+ /// cases - iteration adapter for range-for loops.
+ iterator_range<CaseIt> cases() {
+ return iterator_range<CaseIt>(case_begin(), case_end());
+ }
+
+ /// cases - iteration adapter for range-for loops.
+ iterator_range<ConstCaseIt> cases() const {
+ return iterator_range<ConstCaseIt>(case_begin(), case_end());
+ }
+
/// Returns an iterator that points to the default case.
/// Note: this iterator allows to resolve successor only. Attempt
/// to resolve case value causes an assertion.
/// IndirectBrInst - Indirect Branch Instruction.
///
class IndirectBrInst : public TerminatorInst {
- void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
+ void *operator new(size_t, unsigned) = delete;
unsigned ReservedSpace;
// Operand[0] = Value to switch on
// Operand[1] = Default basic block destination
/// removeAttribute - removes the attribute from the list of attributes.
void removeAttribute(unsigned i, Attribute attr);
+ /// \brief adds the dereferenceable attribute to the list of attributes.
+ void addDereferenceableAttr(unsigned i, uint64_t Bytes);
+
/// \brief Determine whether this call has the given attribute.
bool hasFnAttr(Attribute::AttrKind A) const {
assert(A != Attribute::NoBuiltin &&
return AttributeList.getParamAlignment(i);
}
+ /// \brief Extract the number of dereferenceable bytes for a call or
+ /// parameter (0=unknown).
+ uint64_t getDereferenceableBytes(unsigned i) const {
+ return AttributeList.getDereferenceableBytes(i);
+ }
+
/// \brief Return true if the call should not be treated as a call to a
/// builtin.
bool isNoBuiltin() const {
/// end of the block cannot be reached.
///
class UnreachableInst : public TerminatorInst {
- void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
+ void *operator new(size_t, unsigned) = delete;
protected:
UnreachableInst *clone_impl() const override;
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