#include "llvm/ADT/ArrayRef.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"
#include "llvm/IR/InstrTypes.h"
#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/IntegersSubset.h"
-#include "llvm/Support/IntegersSubsetMapping.h"
#include <iterator>
namespace llvm {
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
//===----------------------------------------------------------------------===//
///
class AllocaInst : public UnaryInstruction {
protected:
- virtual AllocaInst *clone_impl() const;
+ AllocaInst *clone_impl() const override;
public:
- explicit AllocaInst(Type *Ty, Value *ArraySize = 0,
- const Twine &Name = "", Instruction *InsertBefore = 0);
+ explicit AllocaInst(Type *Ty, Value *ArraySize = nullptr,
+ const Twine &Name = "",
+ Instruction *InsertBefore = nullptr);
AllocaInst(Type *Ty, Value *ArraySize,
const Twine &Name, BasicBlock *InsertAtEnd);
- AllocaInst(Type *Ty, const Twine &Name, Instruction *InsertBefore = 0);
+ AllocaInst(Type *Ty, const Twine &Name, Instruction *InsertBefore = nullptr);
AllocaInst(Type *Ty, const Twine &Name, BasicBlock *InsertAtEnd);
AllocaInst(Type *Ty, Value *ArraySize, unsigned Align,
- const Twine &Name = "", Instruction *InsertBefore = 0);
+ const Twine &Name = "", Instruction *InsertBefore = nullptr);
AllocaInst(Type *Ty, Value *ArraySize, unsigned Align,
const Twine &Name, BasicBlock *InsertAtEnd);
// Out of line virtual method, so the vtable, etc. has a home.
- virtual ~AllocaInst();
+ ~AllocaInst() override;
/// isArrayAllocation - Return true if there is an allocation size parameter
/// to the allocation instruction that is not 1.
/// getType - Overload to return most specific pointer type
///
PointerType *getType() const {
- return reinterpret_cast<PointerType*>(Instruction::getType());
+ return cast<PointerType>(Instruction::getType());
}
/// getAllocatedType - Return the type that is being allocated by the
/// by the instruction.
///
unsigned getAlignment() const {
- return (1u << getSubclassDataFromInstruction()) >> 1;
+ return (1u << (getSubclassDataFromInstruction() & 31)) >> 1;
}
void setAlignment(unsigned Align);
/// into the prolog/epilog code, so it is basically free.
bool isStaticAlloca() const;
+ /// \brief Return true if this alloca is used as an inalloca argument to a
+ /// call. Such allocas are never considered static even if they are in the
+ /// entry block.
+ bool isUsedWithInAlloca() const {
+ return getSubclassDataFromInstruction() & 32;
+ }
+
+ /// \brief Specify whether this alloca is used to represent the arguments to
+ /// a call.
+ void setUsedWithInAlloca(bool V) {
+ setInstructionSubclassData((getSubclassDataFromInstruction() & ~32) |
+ (V ? 32 : 0));
+ }
+
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const Instruction *I) {
return (I->getOpcode() == Instruction::Alloca);
class LoadInst : public UnaryInstruction {
void AssertOK();
protected:
- virtual LoadInst *clone_impl() const;
+ LoadInst *clone_impl() const override;
public:
LoadInst(Value *Ptr, const Twine &NameStr, Instruction *InsertBefore);
LoadInst(Value *Ptr, const Twine &NameStr, BasicBlock *InsertAtEnd);
LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile = false,
- Instruction *InsertBefore = 0);
+ Instruction *InsertBefore = nullptr);
LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile,
BasicBlock *InsertAtEnd);
- LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile,
- unsigned Align, Instruction *InsertBefore = 0);
+ LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile, unsigned Align,
+ Instruction *InsertBefore = nullptr)
+ : LoadInst(cast<PointerType>(Ptr->getType())->getElementType(), Ptr,
+ NameStr, isVolatile, Align, InsertBefore) {}
+ LoadInst(Type *Ty, Value *Ptr, const Twine &NameStr, bool isVolatile,
+ 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 = 0);
+ Instruction *InsertBefore = nullptr);
LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile,
unsigned Align, AtomicOrdering Order,
SynchronizationScope SynchScope,
LoadInst(Value *Ptr, const char *NameStr, Instruction *InsertBefore);
LoadInst(Value *Ptr, const char *NameStr, BasicBlock *InsertAtEnd);
- explicit LoadInst(Value *Ptr, const char *NameStr = 0,
- bool isVolatile = false, Instruction *InsertBefore = 0);
+ explicit LoadInst(Value *Ptr, const char *NameStr = nullptr,
+ bool isVolatile = false,
+ Instruction *InsertBefore = nullptr);
LoadInst(Value *Ptr, const char *NameStr, bool isVolatile,
BasicBlock *InsertAtEnd);
(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:
- virtual StoreInst *clone_impl() const;
+ StoreInst *clone_impl() const override;
public:
// allocate space for exactly two operands
void *operator new(size_t s) {
StoreInst(Value *Val, Value *Ptr, Instruction *InsertBefore);
StoreInst(Value *Val, Value *Ptr, BasicBlock *InsertAtEnd);
StoreInst(Value *Val, Value *Ptr, bool isVolatile = false,
- Instruction *InsertBefore = 0);
+ Instruction *InsertBefore = nullptr);
StoreInst(Value *Val, Value *Ptr, bool isVolatile, BasicBlock *InsertAtEnd);
StoreInst(Value *Val, Value *Ptr, bool isVolatile,
- unsigned Align, Instruction *InsertBefore = 0);
+ unsigned Align, Instruction *InsertBefore = nullptr);
StoreInst(Value *Val, Value *Ptr, bool isVolatile,
unsigned Align, BasicBlock *InsertAtEnd);
StoreInst(Value *Val, Value *Ptr, bool isVolatile,
unsigned Align, AtomicOrdering Order,
SynchronizationScope SynchScope = CrossThread,
- Instruction *InsertBefore = 0);
+ Instruction *InsertBefore = nullptr);
StoreInst(Value *Val, Value *Ptr, bool isVolatile,
unsigned Align, AtomicOrdering Order,
SynchronizationScope SynchScope,
BasicBlock *InsertAtEnd);
-
+
/// isVolatile - Return true if this is a store to a volatile memory
/// location.
(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:
- virtual FenceInst *clone_impl() const;
+ FenceInst *clone_impl() const override;
public:
// allocate space for exactly zero operands
void *operator new(size_t s) {
// SequentiallyConsistent.
FenceInst(LLVMContext &C, AtomicOrdering Ordering,
SynchronizationScope SynchScope = CrossThread,
- Instruction *InsertBefore = 0);
+ Instruction *InsertBefore = nullptr);
FenceInst(LLVMContext &C, AtomicOrdering Ordering,
SynchronizationScope SynchScope,
BasicBlock *InsertAtEnd);
/// 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 Ordering, SynchronizationScope SynchScope);
+ AtomicOrdering SuccessOrdering, AtomicOrdering FailureOrdering,
+ SynchronizationScope SynchScope);
protected:
- virtual AtomicCmpXchgInst *clone_impl() const;
+ AtomicCmpXchgInst *clone_impl() const override;
public:
// allocate space for exactly three operands
void *operator new(size_t s) {
return User::operator new(s, 3);
}
AtomicCmpXchgInst(Value *Ptr, Value *Cmp, Value *NewVal,
- AtomicOrdering Ordering, SynchronizationScope SynchScope,
- Instruction *InsertBefore = 0);
+ AtomicOrdering SuccessOrdering,
+ AtomicOrdering FailureOrdering,
+ SynchronizationScope SynchScope,
+ Instruction *InsertBefore = nullptr);
AtomicCmpXchgInst(Value *Ptr, Value *Cmp, Value *NewVal,
- AtomicOrdering Ordering, SynchronizationScope SynchScope,
+ AtomicOrdering SuccessOrdering,
+ AtomicOrdering FailureOrdering,
+ SynchronizationScope SynchScope,
BasicBlock *InsertAtEnd);
/// isVolatile - Return true if this is a cmpxchg from a volatile memory
(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);
/// Set the ordering constraint on this cmpxchg.
- void setOrdering(AtomicOrdering Ordering) {
+ void setSuccessOrdering(AtomicOrdering Ordering) {
assert(Ordering != NotAtomic &&
"CmpXchg instructions can only be atomic.");
- setInstructionSubclassData((getSubclassDataFromInstruction() & 3) |
+ setInstructionSubclassData((getSubclassDataFromInstruction() & ~0x1c) |
(Ordering << 2));
}
+ void setFailureOrdering(AtomicOrdering Ordering) {
+ assert(Ordering != NotAtomic &&
+ "CmpXchg instructions can only be atomic.");
+ setInstructionSubclassData((getSubclassDataFromInstruction() & ~0xe0) |
+ (Ordering << 5));
+ }
+
/// Specify whether this cmpxchg is atomic and orders other operations with
/// respect to all concurrently executing threads, or only with respect to
/// signal handlers executing in the same thread.
}
/// Returns the ordering constraint on this cmpxchg.
- AtomicOrdering getOrdering() const {
- return AtomicOrdering(getSubclassDataFromInstruction() >> 2);
+ AtomicOrdering getSuccessOrdering() const {
+ return AtomicOrdering((getSubclassDataFromInstruction() >> 2) & 7);
+ }
+
+ /// Returns the ordering constraint on this cmpxchg.
+ AtomicOrdering getFailureOrdering() const {
+ return AtomicOrdering((getSubclassDataFromInstruction() >> 5) & 7);
}
/// Returns whether this cmpxchg is atomic between threads or only within a
Value *getCompareOperand() { return getOperand(1); }
const Value *getCompareOperand() const { return getOperand(1); }
-
+
Value *getNewValOperand() { return getOperand(2); }
const Value *getNewValOperand() const { return getOperand(2); }
-
+
/// \brief Returns the address space of the pointer operand.
unsigned getPointerAddressSpace() const {
return getPointerOperand()->getType()->getPointerAddressSpace();
}
-
+
+ /// \brief Returns the strongest permitted ordering on failure, given the
+ /// desired ordering on success.
+ ///
+ /// If the comparison in a cmpxchg operation fails, there is no atomic store
+ /// so release semantics cannot be provided. So this function drops explicit
+ /// Release requests from the AtomicOrdering. A SequentiallyConsistent
+ /// operation would remain SequentiallyConsistent.
+ static AtomicOrdering
+ getStrongestFailureOrdering(AtomicOrdering SuccessOrdering) {
+ switch (SuccessOrdering) {
+ default: llvm_unreachable("invalid cmpxchg success ordering");
+ case Release:
+ case Monotonic:
+ return Monotonic;
+ case AcquireRelease:
+ case Acquire:
+ return Acquire;
+ case SequentiallyConsistent:
+ return SequentiallyConsistent;
+ }
+ }
+
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const Instruction *I) {
return I->getOpcode() == Instruction::AtomicCmpXchg;
/// the old value.
///
class AtomicRMWInst : public Instruction {
- void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
+ void *operator new(size_t, unsigned) = delete;
protected:
- virtual AtomicRMWInst *clone_impl() const;
+ AtomicRMWInst *clone_impl() const override;
public:
/// This enumeration lists the possible modifications atomicrmw can make. In
/// the descriptions, 'p' is the pointer to the instruction's memory location,
Sub,
/// *p = old & v
And,
- /// *p = ~old & v
+ /// *p = ~(old & v)
Nand,
/// *p = old | v
Or,
}
AtomicRMWInst(BinOp Operation, Value *Ptr, Value *Val,
AtomicOrdering Ordering, SynchronizationScope SynchScope,
- Instruction *InsertBefore = 0);
+ Instruction *InsertBefore = nullptr);
AtomicRMWInst(BinOp Operation, Value *Ptr, Value *Val,
AtomicOrdering Ordering, SynchronizationScope SynchScope,
BasicBlock *InsertAtEnd);
/// 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:
- virtual GetElementPtrInst *clone_impl() const;
+ 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 = 0) {
+ 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
static GetElementPtrInst *CreateInBounds(Value *Ptr,
ArrayRef<Value *> IdxList,
const Twine &NameStr = "",
- Instruction *InsertBefore = 0) {
- GetElementPtrInst *GEP = Create(Ptr, IdxList, NameStr, InsertBefore);
+ Instruction *InsertBefore = nullptr){
+ 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;
}
/// Transparently provide more efficient getOperand methods.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
- // getType - Overload to return most specific pointer type...
- PointerType *getType() const {
- return reinterpret_cast<PointerType*>(Instruction::getType());
+ // getType - Overload to return most specific sequential type.
+ SequentialType *getType() const {
+ 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)),
+ return getGEPReturnType(
+ cast<PointerType>(Ptr->getType()->getScalarType())->getElementType(),
+ Ptr, IdxList);
+ }
+ static Type *getGEPReturnType(Type *ElTy, Value *Ptr,
+ ArrayRef<Value *> IdxList) {
+ Type *PtrTy = PointerType::get(checkGEPType(getIndexedType(ElTy, IdxList)),
Ptr->getType()->getPointerAddressSpace());
// Vector GEP
if (Ptr->getType()->isVectorTy()) {
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(PointeeType ? getGEPReturnType(PointeeType, Ptr, IdxList)
+ : 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());
}
/// must be identical types.
/// \brief Represent an integer comparison operator.
class ICmpInst: public CmpInst {
+ void AssertOK() {
+ assert(getPredicate() >= CmpInst::FIRST_ICMP_PREDICATE &&
+ getPredicate() <= CmpInst::LAST_ICMP_PREDICATE &&
+ "Invalid ICmp predicate value");
+ assert(getOperand(0)->getType() == getOperand(1)->getType() &&
+ "Both operands to ICmp instruction are not of the same type!");
+ // Check that the operands are the right type
+ assert((getOperand(0)->getType()->isIntOrIntVectorTy() ||
+ getOperand(0)->getType()->isPtrOrPtrVectorTy()) &&
+ "Invalid operand types for ICmp instruction");
+ }
+
protected:
/// \brief Clone an identical ICmpInst
- virtual ICmpInst *clone_impl() const;
+ ICmpInst *clone_impl() const override;
public:
/// \brief Constructor with insert-before-instruction semantics.
ICmpInst(
) : CmpInst(makeCmpResultType(LHS->getType()),
Instruction::ICmp, pred, LHS, RHS, NameStr,
InsertBefore) {
- assert(pred >= CmpInst::FIRST_ICMP_PREDICATE &&
- pred <= CmpInst::LAST_ICMP_PREDICATE &&
- "Invalid ICmp predicate value");
- assert(getOperand(0)->getType() == getOperand(1)->getType() &&
- "Both operands to ICmp instruction are not of the same type!");
- // Check that the operands are the right type
- assert((getOperand(0)->getType()->isIntOrIntVectorTy() ||
- getOperand(0)->getType()->getScalarType()->isPointerTy()) &&
- "Invalid operand types for ICmp instruction");
+#ifndef NDEBUG
+ AssertOK();
+#endif
}
/// \brief Constructor with insert-at-end semantics.
) : CmpInst(makeCmpResultType(LHS->getType()),
Instruction::ICmp, pred, LHS, RHS, NameStr,
&InsertAtEnd) {
- assert(pred >= CmpInst::FIRST_ICMP_PREDICATE &&
- pred <= CmpInst::LAST_ICMP_PREDICATE &&
- "Invalid ICmp predicate value");
- assert(getOperand(0)->getType() == getOperand(1)->getType() &&
- "Both operands to ICmp instruction are not of the same type!");
- // Check that the operands are the right type
- assert((getOperand(0)->getType()->isIntOrIntVectorTy() ||
- getOperand(0)->getType()->isPointerTy()) &&
- "Invalid operand types for ICmp instruction");
+#ifndef NDEBUG
+ AssertOK();
+#endif
}
/// \brief Constructor with no-insertion semantics
const Twine &NameStr = "" ///< Name of the instruction
) : CmpInst(makeCmpResultType(LHS->getType()),
Instruction::ICmp, pred, LHS, RHS, NameStr) {
- assert(pred >= CmpInst::FIRST_ICMP_PREDICATE &&
- pred <= CmpInst::LAST_ICMP_PREDICATE &&
- "Invalid ICmp predicate value");
- assert(getOperand(0)->getType() == getOperand(1)->getType() &&
- "Both operands to ICmp instruction are not of the same type!");
- // Check that the operands are the right type
- assert((getOperand(0)->getType()->isIntOrIntVectorTy() ||
- getOperand(0)->getType()->getScalarType()->isPointerTy()) &&
- "Invalid operand types for ICmp instruction");
+#ifndef NDEBUG
+ AssertOK();
+#endif
}
/// For example, EQ->EQ, SLE->SLE, UGT->SGT, etc.
class FCmpInst: public CmpInst {
protected:
/// \brief Clone an identical FCmpInst
- virtual FCmpInst *clone_impl() const;
+ FCmpInst *clone_impl() const override;
public:
/// \brief Constructor with insert-before-instruction semantics.
FCmpInst(
/// @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 {
inline CallInst(Value *Func, ArrayRef<Value *> Args,
const Twine &NameStr, BasicBlock *InsertAtEnd);
- CallInst(Value *F, Value *Actual, const Twine &NameStr,
- Instruction *InsertBefore);
- CallInst(Value *F, Value *Actual, const Twine &NameStr,
- BasicBlock *InsertAtEnd);
explicit CallInst(Value *F, const Twine &NameStr,
Instruction *InsertBefore);
CallInst(Value *F, const Twine &NameStr, BasicBlock *InsertAtEnd);
protected:
- virtual CallInst *clone_impl() const;
+ CallInst *clone_impl() const override;
public:
static CallInst *Create(Value *Func,
ArrayRef<Value *> Args,
const Twine &NameStr = "",
- Instruction *InsertBefore = 0) {
+ Instruction *InsertBefore = nullptr) {
return new(unsigned(Args.size() + 1))
CallInst(Func, Args, NameStr, InsertBefore);
}
CallInst(Func, Args, NameStr, InsertAtEnd);
}
static CallInst *Create(Value *F, const Twine &NameStr = "",
- Instruction *InsertBefore = 0) {
+ Instruction *InsertBefore = nullptr) {
return new(1) CallInst(F, NameStr, InsertBefore);
}
static CallInst *Create(Value *F, const Twine &NameStr,
/// 3. Bitcast the result of the malloc call to the specified type.
static Instruction *CreateMalloc(Instruction *InsertBefore,
Type *IntPtrTy, Type *AllocTy,
- Value *AllocSize, Value *ArraySize = 0,
- Function* MallocF = 0,
+ Value *AllocSize, Value *ArraySize = nullptr,
+ Function* MallocF = nullptr,
const Twine &Name = "");
static Instruction *CreateMalloc(BasicBlock *InsertAtEnd,
Type *IntPtrTy, Type *AllocTy,
- Value *AllocSize, Value *ArraySize = 0,
- Function* MallocF = 0,
+ Value *AllocSize, Value *ArraySize = nullptr,
+ Function* MallocF = nullptr,
const Twine &Name = "");
/// CreateFree - Generate the IR for a call to the builtin free function.
static Instruction* CreateFree(Value* Source, Instruction *InsertBefore);
static Instruction* CreateFree(Value* Source, BasicBlock *InsertAtEnd);
- ~CallInst();
+ ~CallInst() override;
+
+ FunctionType *getFunctionType() const {
+ return cast<FunctionType>(
+ cast<PointerType>(getCalledValue()->getType())->getElementType());
+ }
- 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
Value *getArgOperand(unsigned i) const { return getOperand(i); }
void setArgOperand(unsigned i, Value *v) { setOperand(i, v); }
+ /// arg_operands - iteration adapter for range-for loops.
+ iterator_range<op_iterator> arg_operands() {
+ // The last operand in the op list is the callee - it's not one of the args
+ // so we don't want to iterate over it.
+ return iterator_range<op_iterator>(op_begin(), op_end() - 1);
+ }
+
+ /// arg_operands - iteration adapter for range-for loops.
+ iterator_range<const_op_iterator> arg_operands() const {
+ return iterator_range<const_op_iterator>(op_begin(), op_end() - 1);
+ }
+
+ /// \brief Wrappers for getting the \c Use of a call argument.
+ const Use &getArgOperandUse(unsigned i) const { return getOperandUse(i); }
+ Use &getArgOperandUse(unsigned i) { return getOperandUse(i); }
+
/// 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.
void setAttributes(const AttributeSet &Attrs) { AttributeList = Attrs; }
/// addAttribute - adds the attribute to the list of attributes.
- void addAttribute(unsigned i, Attribute attr);
+ void addAttribute(unsigned i, Attribute::AttrKind attr);
/// 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 adds the dereferenceable_or_null attribute to the list of
+ /// attributes.
+ void addDereferenceableOrNullAttr(unsigned i, uint64_t Bytes);
+
/// \brief Determine whether this call has the given attribute.
- bool hasFnAttr(Attribute::AttrKind A) const;
+ bool hasFnAttr(Attribute::AttrKind A) const {
+ assert(A != Attribute::NoBuiltin &&
+ "Use CallInst::isNoBuiltin() to check for Attribute::NoBuiltin");
+ return hasFnAttrImpl(A);
+ }
/// \brief Determine whether the call or the callee has the given attributes.
bool paramHasAttr(unsigned i, Attribute::AttrKind A) const;
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 {
+ return hasFnAttrImpl(Attribute::NoBuiltin) &&
+ !hasFnAttrImpl(Attribute::Builtin);
+ }
+
/// \brief Return true if the call should not be inlined.
bool isNoInline() const { return hasFnAttr(Attribute::NoInline); }
void setIsNoInline() {
- addAttribute(AttributeSet::FunctionIndex,
- Attribute::get(getContext(), Attribute::NoInline));
+ addAttribute(AttributeSet::FunctionIndex, Attribute::NoInline);
}
/// \brief Return true if the call can return twice
return hasFnAttr(Attribute::ReturnsTwice);
}
void setCanReturnTwice() {
- addAttribute(AttributeSet::FunctionIndex,
- Attribute::get(getContext(), Attribute::ReturnsTwice));
+ addAttribute(AttributeSet::FunctionIndex, Attribute::ReturnsTwice);
}
/// \brief Determine if the call does not access memory.
return hasFnAttr(Attribute::ReadNone);
}
void setDoesNotAccessMemory() {
- addAttribute(AttributeSet::FunctionIndex,
- Attribute::get(getContext(), Attribute::ReadNone));
+ addAttribute(AttributeSet::FunctionIndex, Attribute::ReadNone);
}
/// \brief Determine if the call does not access or only reads memory.
return doesNotAccessMemory() || hasFnAttr(Attribute::ReadOnly);
}
void setOnlyReadsMemory() {
- addAttribute(AttributeSet::FunctionIndex,
- Attribute::get(getContext(), Attribute::ReadOnly));
+ addAttribute(AttributeSet::FunctionIndex, Attribute::ReadOnly);
}
/// \brief Determine if the call cannot return.
bool doesNotReturn() const { return hasFnAttr(Attribute::NoReturn); }
void setDoesNotReturn() {
- addAttribute(AttributeSet::FunctionIndex,
- Attribute::get(getContext(), Attribute::NoReturn));
+ addAttribute(AttributeSet::FunctionIndex, Attribute::NoReturn);
}
/// \brief Determine if the call cannot unwind.
bool doesNotThrow() const { return hasFnAttr(Attribute::NoUnwind); }
void setDoesNotThrow() {
- addAttribute(AttributeSet::FunctionIndex,
- Attribute::get(getContext(), Attribute::NoUnwind));
+ addAttribute(AttributeSet::FunctionIndex, Attribute::NoUnwind);
}
/// \brief Determine if the call cannot be duplicated.
bool cannotDuplicate() const {return hasFnAttr(Attribute::NoDuplicate); }
void setCannotDuplicate() {
- addAttribute(AttributeSet::FunctionIndex,
- Attribute::get(getContext(), Attribute::NoDuplicate));
+ addAttribute(AttributeSet::FunctionIndex, Attribute::NoDuplicate);
}
/// \brief Determine if the call returns a structure through first
return isa<Instruction>(V) && classof(cast<Instruction>(V));
}
private:
+
+ bool hasFnAttrImpl(Attribute::AttrKind A) const;
+
// Shadow Instruction::setInstructionSubclassData with a private forwarding
// method so that subclasses cannot accidentally use it.
void setInstructionSubclassData(unsigned short D) {
setName(NameStr);
}
protected:
- virtual SelectInst *clone_impl() const;
+ SelectInst *clone_impl() const override;
public:
static SelectInst *Create(Value *C, Value *S1, Value *S2,
const Twine &NameStr = "",
- Instruction *InsertBefore = 0) {
+ Instruction *InsertBefore = nullptr) {
return new(3) SelectInst(C, S1, S2, NameStr, InsertBefore);
}
static SelectInst *Create(Value *C, Value *S1, Value *S2,
///
class VAArgInst : public UnaryInstruction {
protected:
- virtual VAArgInst *clone_impl() const;
+ VAArgInst *clone_impl() const override;
public:
VAArgInst(Value *List, Type *Ty, const Twine &NameStr = "",
- Instruction *InsertBefore = 0)
+ Instruction *InsertBefore = nullptr)
: UnaryInstruction(Ty, VAArg, List, InsertBefore) {
setName(NameStr);
}
///
class ExtractElementInst : public Instruction {
ExtractElementInst(Value *Vec, Value *Idx, const Twine &NameStr = "",
- Instruction *InsertBefore = 0);
+ Instruction *InsertBefore = nullptr);
ExtractElementInst(Value *Vec, Value *Idx, const Twine &NameStr,
BasicBlock *InsertAtEnd);
protected:
- virtual ExtractElementInst *clone_impl() const;
+ ExtractElementInst *clone_impl() const override;
public:
static ExtractElementInst *Create(Value *Vec, Value *Idx,
const Twine &NameStr = "",
- Instruction *InsertBefore = 0) {
+ Instruction *InsertBefore = nullptr) {
return new(2) ExtractElementInst(Vec, Idx, NameStr, InsertBefore);
}
static ExtractElementInst *Create(Value *Vec, Value *Idx,
const Value *getIndexOperand() const { return Op<1>(); }
VectorType *getVectorOperandType() const {
- return reinterpret_cast<VectorType*>(getVectorOperand()->getType());
+ return cast<VectorType>(getVectorOperand()->getType());
}
class InsertElementInst : public Instruction {
InsertElementInst(Value *Vec, Value *NewElt, Value *Idx,
const Twine &NameStr = "",
- Instruction *InsertBefore = 0);
+ Instruction *InsertBefore = nullptr);
InsertElementInst(Value *Vec, Value *NewElt, Value *Idx,
const Twine &NameStr, BasicBlock *InsertAtEnd);
protected:
- virtual InsertElementInst *clone_impl() const;
+ InsertElementInst *clone_impl() const override;
public:
static InsertElementInst *Create(Value *Vec, Value *NewElt, Value *Idx,
const Twine &NameStr = "",
- Instruction *InsertBefore = 0) {
+ Instruction *InsertBefore = nullptr) {
return new(3) InsertElementInst(Vec, NewElt, Idx, NameStr, InsertBefore);
}
static InsertElementInst *Create(Value *Vec, Value *NewElt, Value *Idx,
/// getType - Overload to return most specific vector type.
///
VectorType *getType() const {
- return reinterpret_cast<VectorType*>(Instruction::getType());
+ return cast<VectorType>(Instruction::getType());
}
/// Transparently provide more efficient getOperand methods.
///
class ShuffleVectorInst : public Instruction {
protected:
- virtual ShuffleVectorInst *clone_impl() const;
+ ShuffleVectorInst *clone_impl() const override;
public:
// allocate space for exactly three operands
}
ShuffleVectorInst(Value *V1, Value *V2, Value *Mask,
const Twine &NameStr = "",
- Instruction *InsertBefor = 0);
+ Instruction *InsertBefor = nullptr);
ShuffleVectorInst(Value *V1, Value *V2, Value *Mask,
const Twine &NameStr, BasicBlock *InsertAtEnd);
/// getType - Overload to return most specific vector type.
///
VectorType *getType() const {
- return reinterpret_cast<VectorType*>(Instruction::getType());
+ return cast<VectorType>(Instruction::getType());
}
/// Transparently provide more efficient getOperand methods.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
Constant *getMask() const {
- return reinterpret_cast<Constant*>(getOperand(2));
+ return cast<Constant>(getOperand(2));
}
-
+
/// getMaskValue - Return the index from the shuffle mask for the specified
/// output result. This is either -1 if the element is undef or a number less
/// than 2*numelements.
int getMaskValue(unsigned i) const {
return getMaskValue(getMask(), i);
}
-
+
/// getShuffleMask - Return the full mask for this instruction, where each
/// element is the element number and undef's are returned as -1.
static void getShuffleMask(Constant *Mask, SmallVectorImpl<int> &Result);
return User::operator new(s, 1);
}
protected:
- virtual ExtractValueInst *clone_impl() const;
+ ExtractValueInst *clone_impl() const override;
public:
static ExtractValueInst *Create(Value *Agg,
ArrayRef<unsigned> Idxs,
const Twine &NameStr = "",
- Instruction *InsertBefore = 0) {
+ Instruction *InsertBefore = nullptr) {
return new
ExtractValueInst(Agg, Idxs, NameStr, InsertBefore);
}
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);
/// and two index insertvalue instructions are so common.
InsertValueInst(Value *Agg, Value *Val,
unsigned Idx, const Twine &NameStr = "",
- Instruction *InsertBefore = 0);
+ Instruction *InsertBefore = nullptr);
InsertValueInst(Value *Agg, Value *Val, unsigned Idx,
const Twine &NameStr, BasicBlock *InsertAtEnd);
protected:
- virtual InsertValueInst *clone_impl() const;
+ InsertValueInst *clone_impl() const override;
public:
// allocate space for exactly two operands
void *operator new(size_t s) {
static InsertValueInst *Create(Value *Agg, Value *Val,
ArrayRef<unsigned> Idxs,
const Twine &NameStr = "",
- Instruction *InsertBefore = 0) {
+ Instruction *InsertBefore = nullptr) {
return new InsertValueInst(Agg, Val, Idxs, NameStr, InsertBefore);
}
static InsertValueInst *Create(Value *Agg, Value *Val,
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 User::operator new(s, 0);
}
explicit PHINode(Type *Ty, unsigned NumReservedValues,
- const Twine &NameStr = "", Instruction *InsertBefore = 0)
- : Instruction(Ty, Instruction::PHI, 0, 0, InsertBefore),
+ const Twine &NameStr = "",
+ Instruction *InsertBefore = nullptr)
+ : Instruction(Ty, Instruction::PHI, nullptr, 0, InsertBefore),
ReservedSpace(NumReservedValues) {
setName(NameStr);
OperandList = allocHungoffUses(ReservedSpace);
PHINode(Type *Ty, unsigned NumReservedValues, const Twine &NameStr,
BasicBlock *InsertAtEnd)
- : Instruction(Ty, Instruction::PHI, 0, 0, InsertAtEnd),
+ : Instruction(Ty, Instruction::PHI, nullptr, 0, InsertAtEnd),
ReservedSpace(NumReservedValues) {
setName(NameStr);
OperandList = allocHungoffUses(ReservedSpace);
// values and pointers to the incoming blocks, all in one allocation.
Use *allocHungoffUses(unsigned) const;
- virtual PHINode *clone_impl() const;
+ PHINode *clone_impl() const override;
public:
/// Constructors - NumReservedValues is a hint for the number of incoming
/// edges that this phi node will have (use 0 if you really have no idea).
static PHINode *Create(Type *Ty, unsigned NumReservedValues,
const Twine &NameStr = "",
- Instruction *InsertBefore = 0) {
+ Instruction *InsertBefore = nullptr) {
return new PHINode(Ty, NumReservedValues, NameStr, InsertBefore);
}
- static PHINode *Create(Type *Ty, unsigned NumReservedValues,
+ static PHINode *Create(Type *Ty, unsigned NumReservedValues,
const Twine &NameStr, BasicBlock *InsertAtEnd) {
return new PHINode(Ty, NumReservedValues, NameStr, InsertAtEnd);
}
- ~PHINode();
+ ~PHINode() override;
/// Provide fast operand accessors
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
return block_begin() + getNumOperands();
}
+ op_range incoming_values() { return operands(); }
+
/// getNumIncomingValues - Return the number of incoming edges
///
unsigned getNumIncomingValues() const { return getNumOperands(); }
/// getIncomingBlock - Return incoming basic block corresponding
/// to value use iterator.
///
- template <typename U>
- BasicBlock *getIncomingBlock(value_use_iterator<U> I) const {
+ BasicBlock *getIncomingBlock(Value::const_user_iterator I) const {
return getIncomingBlock(I.getUse());
}
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);
unsigned NumReservedValues, const Twine &NameStr,
BasicBlock *InsertAtEnd);
protected:
- virtual LandingPadInst *clone_impl() const;
+ LandingPadInst *clone_impl() const override;
public:
/// Constructors - NumReservedClauses is a hint for the number of incoming
/// clauses that this landingpad will have (use 0 if you really have no idea).
static LandingPadInst *Create(Type *RetTy, Value *PersonalityFn,
unsigned NumReservedClauses,
const Twine &NameStr = "",
- Instruction *InsertBefore = 0);
+ Instruction *InsertBefore = nullptr);
static LandingPadInst *Create(Type *RetTy, Value *PersonalityFn,
unsigned NumReservedClauses,
const Twine &NameStr, BasicBlock *InsertAtEnd);
- ~LandingPadInst();
+ ~LandingPadInst() override;
/// Provide fast operand accessors
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
(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 {
//
// NOTE: If the Value* passed is of type void then the constructor behaves as
// if it was passed NULL.
- explicit ReturnInst(LLVMContext &C, Value *retVal = 0,
- Instruction *InsertBefore = 0);
+ explicit ReturnInst(LLVMContext &C, Value *retVal = nullptr,
+ Instruction *InsertBefore = nullptr);
ReturnInst(LLVMContext &C, Value *retVal, BasicBlock *InsertAtEnd);
explicit ReturnInst(LLVMContext &C, BasicBlock *InsertAtEnd);
protected:
- virtual ReturnInst *clone_impl() const;
+ ReturnInst *clone_impl() const override;
public:
- static ReturnInst* Create(LLVMContext &C, Value *retVal = 0,
- Instruction *InsertBefore = 0) {
+ static ReturnInst* Create(LLVMContext &C, Value *retVal = nullptr,
+ Instruction *InsertBefore = nullptr) {
return new(!!retVal) ReturnInst(C, retVal, InsertBefore);
}
static ReturnInst* Create(LLVMContext &C, Value *retVal,
static ReturnInst* Create(LLVMContext &C, BasicBlock *InsertAtEnd) {
return new(0) ReturnInst(C, InsertAtEnd);
}
- virtual ~ReturnInst();
+ ~ReturnInst() override;
/// Provide fast operand accessors
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
/// Convenience accessor. Returns null if there is no return value.
Value *getReturnValue() const {
- return getNumOperands() != 0 ? getOperand(0) : 0;
+ return getNumOperands() != 0 ? getOperand(0) : nullptr;
}
unsigned getNumSuccessors() const { return 0; }
return isa<Instruction>(V) && classof(cast<Instruction>(V));
}
private:
- virtual BasicBlock *getSuccessorV(unsigned idx) const;
- virtual unsigned getNumSuccessorsV() const;
- virtual void setSuccessorV(unsigned idx, BasicBlock *B);
+ BasicBlock *getSuccessorV(unsigned idx) const override;
+ unsigned getNumSuccessorsV() const override;
+ void setSuccessorV(unsigned idx, BasicBlock *B) override;
};
template <>
// BranchInst(BB* T, BB *F, Value *C, Inst *I) - 'br C, T, F', insert before I
// BranchInst(BB* B, BB *I) - 'br B' insert at end
// BranchInst(BB* T, BB *F, Value *C, BB *I) - 'br C, T, F', insert at end
- explicit BranchInst(BasicBlock *IfTrue, Instruction *InsertBefore = 0);
+ explicit BranchInst(BasicBlock *IfTrue, Instruction *InsertBefore = nullptr);
BranchInst(BasicBlock *IfTrue, BasicBlock *IfFalse, Value *Cond,
- Instruction *InsertBefore = 0);
+ Instruction *InsertBefore = nullptr);
BranchInst(BasicBlock *IfTrue, BasicBlock *InsertAtEnd);
BranchInst(BasicBlock *IfTrue, BasicBlock *IfFalse, Value *Cond,
BasicBlock *InsertAtEnd);
protected:
- virtual BranchInst *clone_impl() const;
+ BranchInst *clone_impl() const override;
public:
- static BranchInst *Create(BasicBlock *IfTrue, Instruction *InsertBefore = 0) {
+ static BranchInst *Create(BasicBlock *IfTrue,
+ Instruction *InsertBefore = nullptr) {
return new(1) BranchInst(IfTrue, InsertBefore);
}
static BranchInst *Create(BasicBlock *IfTrue, BasicBlock *IfFalse,
- Value *Cond, Instruction *InsertBefore = 0) {
+ Value *Cond, Instruction *InsertBefore = nullptr) {
return new(3) BranchInst(IfTrue, IfFalse, Cond, InsertBefore);
}
static BranchInst *Create(BasicBlock *IfTrue, BasicBlock *InsertAtEnd) {
return isa<Instruction>(V) && classof(cast<Instruction>(V));
}
private:
- virtual BasicBlock *getSuccessorV(unsigned idx) const;
- virtual unsigned getNumSuccessorsV() const;
- virtual void setSuccessorV(unsigned idx, BasicBlock *B);
+ BasicBlock *getSuccessorV(unsigned idx) const override;
+ unsigned getNumSuccessorsV() const override;
+ void setSuccessorV(unsigned idx, BasicBlock *B) override;
};
template <>
/// 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;
- // Operands format:
// Operand[0] = Value to switch on
// Operand[1] = Default basic block destination
// Operand[2n ] = Value to match
// Operand[2n+1] = BasicBlock to go to on match
-
- // Store case values separately from operands list. We needn't User-Use
- // concept here, since it is just a case value, it will always constant,
- // and case value couldn't reused with another instructions/values.
- // Additionally:
- // It allows us to use custom type for case values that is not inherited
- // from Value. Since case value is a complex type that implements
- // the subset of integers, we needn't extract sub-constants within
- // slow getAggregateElement method.
- // For case values we will use std::list to by two reasons:
- // 1. It allows to add/remove cases without whole collection reallocation.
- // 2. In most of cases we needn't random access.
- // Currently case values are also stored in Operands List, but it will moved
- // out in future commits.
- typedef std::list<IntegersSubset> Subsets;
- typedef Subsets::iterator SubsetsIt;
- typedef Subsets::const_iterator SubsetsConstIt;
-
- Subsets TheSubsets;
-
SwitchInst(const SwitchInst &SI);
void init(Value *Value, BasicBlock *Default, unsigned NumReserved);
void growOperands();
SwitchInst(Value *Value, BasicBlock *Default, unsigned NumCases,
BasicBlock *InsertAtEnd);
protected:
- virtual SwitchInst *clone_impl() const;
+ SwitchInst *clone_impl() const override;
public:
-
- // FIXME: Currently there are a lot of unclean template parameters,
- // we need to make refactoring in future.
- // All these parameters are used to implement both iterator and const_iterator
- // without code duplication.
- // SwitchInstTy may be "const SwitchInst" or "SwitchInst"
- // ConstantIntTy may be "const ConstantInt" or "ConstantInt"
- // SubsetsItTy may be SubsetsConstIt or SubsetsIt
- // BasicBlockTy may be "const BasicBlock" or "BasicBlock"
- template <class SwitchInstTy, class ConstantIntTy,
- class SubsetsItTy, class BasicBlockTy>
- class CaseIteratorT;
-
- typedef CaseIteratorT<const SwitchInst, const ConstantInt,
- SubsetsConstIt, const BasicBlock> ConstCaseIt;
- class CaseIt;
-
+
// -2
static const unsigned DefaultPseudoIndex = static_cast<unsigned>(~0L-1);
-
+
+ template <class SwitchInstTy, class ConstantIntTy, class BasicBlockTy>
+ class CaseIteratorT {
+ protected:
+
+ SwitchInstTy *SI;
+ unsigned Index;
+
+ public:
+
+ typedef CaseIteratorT<SwitchInstTy, ConstantIntTy, BasicBlockTy> Self;
+
+ /// Initializes case iterator for given SwitchInst and for given
+ /// case number.
+ CaseIteratorT(SwitchInstTy *SI, unsigned CaseNum) {
+ this->SI = SI;
+ Index = CaseNum;
+ }
+
+ /// Initializes case iterator for given SwitchInst and for given
+ /// TerminatorInst's successor index.
+ static Self fromSuccessorIndex(SwitchInstTy *SI, unsigned SuccessorIndex) {
+ assert(SuccessorIndex < SI->getNumSuccessors() &&
+ "Successor index # out of range!");
+ return SuccessorIndex != 0 ?
+ Self(SI, SuccessorIndex - 1) :
+ Self(SI, DefaultPseudoIndex);
+ }
+
+ /// Resolves case value for current case.
+ ConstantIntTy *getCaseValue() {
+ assert(Index < SI->getNumCases() && "Index out the number of cases.");
+ return reinterpret_cast<ConstantIntTy*>(SI->getOperand(2 + Index*2));
+ }
+
+ /// Resolves successor for current case.
+ BasicBlockTy *getCaseSuccessor() {
+ assert((Index < SI->getNumCases() ||
+ Index == DefaultPseudoIndex) &&
+ "Index out the number of cases.");
+ return SI->getSuccessor(getSuccessorIndex());
+ }
+
+ /// Returns number of current case.
+ unsigned getCaseIndex() const { return Index; }
+
+ /// Returns TerminatorInst's successor index for current case successor.
+ unsigned getSuccessorIndex() const {
+ assert((Index == DefaultPseudoIndex || Index < SI->getNumCases()) &&
+ "Index out the number of cases.");
+ return Index != DefaultPseudoIndex ? Index + 1 : 0;
+ }
+
+ Self operator++() {
+ // Check index correctness after increment.
+ // Note: Index == getNumCases() means end().
+ assert(Index+1 <= SI->getNumCases() && "Index out the number of cases.");
+ ++Index;
+ return *this;
+ }
+ Self operator++(int) {
+ Self tmp = *this;
+ ++(*this);
+ return tmp;
+ }
+ Self operator--() {
+ // Check index correctness after decrement.
+ // Note: Index == getNumCases() means end().
+ // Also allow "-1" iterator here. That will became valid after ++.
+ assert((Index == 0 || Index-1 <= SI->getNumCases()) &&
+ "Index out the number of cases.");
+ --Index;
+ return *this;
+ }
+ Self operator--(int) {
+ Self tmp = *this;
+ --(*this);
+ return tmp;
+ }
+ bool operator==(const Self& RHS) const {
+ assert(RHS.SI == SI && "Incompatible operators.");
+ return RHS.Index == Index;
+ }
+ bool operator!=(const Self& RHS) const {
+ assert(RHS.SI == SI && "Incompatible operators.");
+ return RHS.Index != Index;
+ }
+ Self &operator*() {
+ return *this;
+ }
+ };
+
+ typedef CaseIteratorT<const SwitchInst, const ConstantInt, const BasicBlock>
+ ConstCaseIt;
+
+ class CaseIt : public CaseIteratorT<SwitchInst, ConstantInt, BasicBlock> {
+
+ typedef CaseIteratorT<SwitchInst, ConstantInt, BasicBlock> ParentTy;
+
+ public:
+
+ CaseIt(const ParentTy& Src) : ParentTy(Src) {}
+ CaseIt(SwitchInst *SI, unsigned CaseNum) : ParentTy(SI, CaseNum) {}
+
+ /// Sets the new value for current case.
+ void setValue(ConstantInt *V) {
+ assert(Index < SI->getNumCases() && "Index out the number of cases.");
+ SI->setOperand(2 + Index*2, reinterpret_cast<Value*>(V));
+ }
+
+ /// Sets the new successor for current case.
+ void setSuccessor(BasicBlock *S) {
+ SI->setSuccessor(getSuccessorIndex(), S);
+ }
+ };
+
static SwitchInst *Create(Value *Value, BasicBlock *Default,
- unsigned NumCases, Instruction *InsertBefore = 0) {
+ unsigned NumCases,
+ Instruction *InsertBefore = nullptr) {
return new SwitchInst(Value, Default, NumCases, InsertBefore);
}
static SwitchInst *Create(Value *Value, BasicBlock *Default,
unsigned NumCases, BasicBlock *InsertAtEnd) {
return new SwitchInst(Value, Default, NumCases, InsertAtEnd);
}
-
- ~SwitchInst();
+
+ ~SwitchInst() override;
/// Provide fast operand accessors
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
/// Returns a read/write iterator that points to the first
/// case in SwitchInst.
CaseIt case_begin() {
- return CaseIt(this, 0, TheSubsets.begin());
+ return CaseIt(this, 0);
}
/// Returns a read-only iterator that points to the first
/// case in the SwitchInst.
ConstCaseIt case_begin() const {
- return ConstCaseIt(this, 0, TheSubsets.begin());
+ return ConstCaseIt(this, 0);
}
-
+
/// Returns a read/write iterator that points one past the last
/// in the SwitchInst.
CaseIt case_end() {
- return CaseIt(this, getNumCases(), TheSubsets.end());
+ return CaseIt(this, getNumCases());
}
/// Returns a read-only iterator that points one past the last
/// in the SwitchInst.
ConstCaseIt case_end() const {
- return ConstCaseIt(this, getNumCases(), TheSubsets.end());
+ 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.
/// Also note, that increment and decrement also causes an assertion and
- /// makes iterator invalid.
+ /// makes iterator invalid.
CaseIt case_default() {
- return CaseIt(this, DefaultPseudoIndex, TheSubsets.end());
+ return CaseIt(this, DefaultPseudoIndex);
}
ConstCaseIt case_default() const {
- return ConstCaseIt(this, DefaultPseudoIndex, TheSubsets.end());
+ return ConstCaseIt(this, DefaultPseudoIndex);
}
-
+
/// findCaseValue - Search all of the case values for the specified constant.
/// If it is explicitly handled, return the case iterator of it, otherwise
/// return default case iterator to indicate
/// that it is handled by the default handler.
CaseIt findCaseValue(const ConstantInt *C) {
for (CaseIt i = case_begin(), e = case_end(); i != e; ++i)
- if (i.getCaseValueEx().isSatisfies(IntItem::fromConstantInt(C)))
+ if (i.getCaseValue() == C)
return i;
return case_default();
}
ConstCaseIt findCaseValue(const ConstantInt *C) const {
for (ConstCaseIt i = case_begin(), e = case_end(); i != e; ++i)
- if (i.getCaseValueEx().isSatisfies(IntItem::fromConstantInt(C)))
+ if (i.getCaseValue() == C)
return i;
return case_default();
- }
-
+ }
+
/// findCaseDest - Finds the unique case value for a given successor. Returns
/// null if the successor is not found, not unique, or is the default case.
ConstantInt *findCaseDest(BasicBlock *BB) {
- if (BB == getDefaultDest()) return NULL;
+ if (BB == getDefaultDest()) return nullptr;
- ConstantInt *CI = NULL;
+ ConstantInt *CI = nullptr;
for (CaseIt i = case_begin(), e = case_end(); i != e; ++i) {
if (i.getCaseSuccessor() == BB) {
- if (CI) return NULL; // Multiple cases lead to BB.
+ if (CI) return nullptr; // Multiple cases lead to BB.
else CI = i.getCaseValue();
}
}
}
/// addCase - Add an entry to the switch instruction...
- /// @deprecated
/// Note:
/// This action invalidates case_end(). Old case_end() iterator will
/// point to the added case.
void addCase(ConstantInt *OnVal, BasicBlock *Dest);
-
- /// addCase - Add an entry to the switch instruction.
- /// Note:
- /// This action invalidates case_end(). Old case_end() iterator will
- /// point to the added case.
- void addCase(IntegersSubset& OnVal, BasicBlock *Dest);
/// removeCase - This method removes the specified case and its successor
/// from the switch instruction. Note that this operation may reorder the
/// Note:
/// This action invalidates iterators for all cases following the one removed,
/// including the case_end() iterator.
- void removeCase(CaseIt& i);
+ void removeCase(CaseIt i);
unsigned getNumSuccessors() const { return getNumOperands()/2; }
BasicBlock *getSuccessor(unsigned idx) const {
assert(idx < getNumSuccessors() && "Successor # out of range for switch!");
setOperand(idx*2+1, (Value*)NewSucc);
}
-
- uint16_t hash() const {
- uint32_t NumberOfCases = (uint32_t)getNumCases();
- uint16_t Hash = (0xFFFF & NumberOfCases) ^ (NumberOfCases >> 16);
- for (ConstCaseIt i = case_begin(), e = case_end();
- i != e; ++i) {
- uint32_t NumItems = (uint32_t)i.getCaseValueEx().getNumItems();
- Hash = (Hash << 1) ^ (0xFFFF & NumItems) ^ (NumItems >> 16);
- }
- return Hash;
- }
-
- // Case iterators definition.
-
- template <class SwitchInstTy, class ConstantIntTy,
- class SubsetsItTy, class BasicBlockTy>
- class CaseIteratorT {
- protected:
-
- SwitchInstTy *SI;
- unsigned long Index;
- SubsetsItTy SubsetIt;
-
- /// Initializes case iterator for given SwitchInst and for given
- /// case number.
- friend class SwitchInst;
- CaseIteratorT(SwitchInstTy *SI, unsigned SuccessorIndex,
- SubsetsItTy CaseValueIt) {
- this->SI = SI;
- Index = SuccessorIndex;
- this->SubsetIt = CaseValueIt;
- }
-
- public:
- typedef typename SubsetsItTy::reference IntegersSubsetRef;
- typedef CaseIteratorT<SwitchInstTy, ConstantIntTy,
- SubsetsItTy, BasicBlockTy> Self;
-
- CaseIteratorT(SwitchInstTy *SI, unsigned CaseNum) {
- this->SI = SI;
- Index = CaseNum;
- SubsetIt = SI->TheSubsets.begin();
- std::advance(SubsetIt, CaseNum);
- }
-
-
- /// Initializes case iterator for given SwitchInst and for given
- /// TerminatorInst's successor index.
- static Self fromSuccessorIndex(SwitchInstTy *SI, unsigned SuccessorIndex) {
- assert(SuccessorIndex < SI->getNumSuccessors() &&
- "Successor index # out of range!");
- return SuccessorIndex != 0 ?
- Self(SI, SuccessorIndex - 1) :
- Self(SI, DefaultPseudoIndex);
- }
-
- /// Resolves case value for current case.
- /// @deprecated
- ConstantIntTy *getCaseValue() {
- assert(Index < SI->getNumCases() && "Index out the number of cases.");
- IntegersSubsetRef CaseRanges = *SubsetIt;
-
- // FIXME: Currently we work with ConstantInt based cases.
- // So return CaseValue as ConstantInt.
- return CaseRanges.getSingleNumber(0).toConstantInt();
- }
-
- /// Resolves case value for current case.
- IntegersSubsetRef getCaseValueEx() {
- assert(Index < SI->getNumCases() && "Index out the number of cases.");
- return *SubsetIt;
- }
-
- /// Resolves successor for current case.
- BasicBlockTy *getCaseSuccessor() {
- assert((Index < SI->getNumCases() ||
- Index == DefaultPseudoIndex) &&
- "Index out the number of cases.");
- return SI->getSuccessor(getSuccessorIndex());
- }
-
- /// Returns number of current case.
- unsigned getCaseIndex() const { return Index; }
-
- /// Returns TerminatorInst's successor index for current case successor.
- unsigned getSuccessorIndex() const {
- assert((Index == DefaultPseudoIndex || Index < SI->getNumCases()) &&
- "Index out the number of cases.");
- return Index != DefaultPseudoIndex ? Index + 1 : 0;
- }
-
- Self operator++() {
- // Check index correctness after increment.
- // Note: Index == getNumCases() means end().
- assert(Index+1 <= SI->getNumCases() && "Index out the number of cases.");
- ++Index;
- if (Index == 0)
- SubsetIt = SI->TheSubsets.begin();
- else
- ++SubsetIt;
- return *this;
- }
- Self operator++(int) {
- Self tmp = *this;
- ++(*this);
- return tmp;
- }
- Self operator--() {
- // Check index correctness after decrement.
- // Note: Index == getNumCases() means end().
- // Also allow "-1" iterator here. That will became valid after ++.
- unsigned NumCases = SI->getNumCases();
- assert((Index == 0 || Index-1 <= NumCases) &&
- "Index out the number of cases.");
- --Index;
- if (Index == NumCases) {
- SubsetIt = SI->TheSubsets.end();
- return *this;
- }
-
- if (Index != -1UL)
- --SubsetIt;
-
- return *this;
- }
- Self operator--(int) {
- Self tmp = *this;
- --(*this);
- return tmp;
- }
- bool operator==(const Self& RHS) const {
- assert(RHS.SI == SI && "Incompatible operators.");
- return RHS.Index == Index;
- }
- bool operator!=(const Self& RHS) const {
- assert(RHS.SI == SI && "Incompatible operators.");
- return RHS.Index != Index;
- }
- };
-
- class CaseIt : public CaseIteratorT<SwitchInst, ConstantInt,
- SubsetsIt, BasicBlock> {
- typedef CaseIteratorT<SwitchInst, ConstantInt, SubsetsIt, BasicBlock>
- ParentTy;
-
- protected:
- friend class SwitchInst;
- CaseIt(SwitchInst *SI, unsigned CaseNum, SubsetsIt SubsetIt) :
- ParentTy(SI, CaseNum, SubsetIt) {}
-
- void updateCaseValueOperand(IntegersSubset& V) {
- SI->setOperand(2 + Index*2, reinterpret_cast<Value*>((Constant*)V));
- }
-
- public:
-
- CaseIt(SwitchInst *SI, unsigned CaseNum) : ParentTy(SI, CaseNum) {}
-
- CaseIt(const ParentTy& Src) : ParentTy(Src) {}
-
- /// Sets the new value for current case.
- /// @deprecated.
- void setValue(ConstantInt *V) {
- assert(Index < SI->getNumCases() && "Index out the number of cases.");
- IntegersSubsetToBB Mapping;
- // FIXME: Currently we work with ConstantInt based cases.
- // So inititalize IntItem container directly from ConstantInt.
- Mapping.add(IntItem::fromConstantInt(V));
- *SubsetIt = Mapping.getCase();
- updateCaseValueOperand(*SubsetIt);
- }
-
- /// Sets the new value for current case.
- void setValueEx(IntegersSubset& V) {
- assert(Index < SI->getNumCases() && "Index out the number of cases.");
- *SubsetIt = V;
- updateCaseValueOperand(*SubsetIt);
- }
-
- /// Sets the new successor for current case.
- void setSuccessor(BasicBlock *S) {
- SI->setSuccessor(getSuccessorIndex(), S);
- }
- };
// Methods for support type inquiry through isa, cast, and dyn_cast:
-
static inline bool classof(const Instruction *I) {
return I->getOpcode() == Instruction::Switch;
}
return isa<Instruction>(V) && classof(cast<Instruction>(V));
}
private:
- virtual BasicBlock *getSuccessorV(unsigned idx) const;
- virtual unsigned getNumSuccessorsV() const;
- virtual void setSuccessorV(unsigned idx, BasicBlock *B);
+ BasicBlock *getSuccessorV(unsigned idx) const override;
+ unsigned getNumSuccessorsV() const override;
+ void setSuccessorV(unsigned idx, BasicBlock *B) override;
};
template <>
/// 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
/// autoinserts at the end of the specified BasicBlock.
IndirectBrInst(Value *Address, unsigned NumDests, BasicBlock *InsertAtEnd);
protected:
- virtual IndirectBrInst *clone_impl() const;
+ IndirectBrInst *clone_impl() const override;
public:
static IndirectBrInst *Create(Value *Address, unsigned NumDests,
- Instruction *InsertBefore = 0) {
+ Instruction *InsertBefore = nullptr) {
return new IndirectBrInst(Address, NumDests, InsertBefore);
}
static IndirectBrInst *Create(Value *Address, unsigned NumDests,
BasicBlock *InsertAtEnd) {
return new IndirectBrInst(Address, NumDests, InsertAtEnd);
}
- ~IndirectBrInst();
+ ~IndirectBrInst() override;
/// Provide fast operand accessors.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
return isa<Instruction>(V) && classof(cast<Instruction>(V));
}
private:
- virtual BasicBlock *getSuccessorV(unsigned idx) const;
- virtual unsigned getNumSuccessorsV() const;
- virtual void setSuccessorV(unsigned idx, BasicBlock *B);
+ BasicBlock *getSuccessorV(unsigned idx) const override;
+ unsigned getNumSuccessorsV() const override;
+ void setSuccessorV(unsigned idx, BasicBlock *B) override;
};
template <>
ArrayRef<Value *> Args, unsigned Values,
const Twine &NameStr, BasicBlock *InsertAtEnd);
protected:
- virtual InvokeInst *clone_impl() const;
+ InvokeInst *clone_impl() const override;
public:
static InvokeInst *Create(Value *Func,
BasicBlock *IfNormal, BasicBlock *IfException,
ArrayRef<Value *> Args, const Twine &NameStr = "",
- Instruction *InsertBefore = 0) {
+ Instruction *InsertBefore = nullptr) {
unsigned Values = unsigned(Args.size()) + 3;
return new(Values) InvokeInst(Func, IfNormal, IfException, Args,
Values, NameStr, InsertBefore);
Value *getArgOperand(unsigned i) const { return getOperand(i); }
void setArgOperand(unsigned i, Value *v) { setOperand(i, v); }
+ /// arg_operands - iteration adapter for range-for loops.
+ iterator_range<op_iterator> arg_operands() {
+ return iterator_range<op_iterator>(op_begin(), op_end() - 3);
+ }
+
+ /// arg_operands - iteration adapter for range-for loops.
+ iterator_range<const_op_iterator> arg_operands() const {
+ return iterator_range<const_op_iterator>(op_begin(), op_end() - 3);
+ }
+
+ /// \brief Wrappers for getting the \c Use of a invoke argument.
+ const Use &getArgOperandUse(unsigned i) const { return getOperandUse(i); }
+ Use &getArgOperandUse(unsigned i) { return getOperandUse(i); }
+
/// getCallingConv/setCallingConv - Get or set the calling convention of this
/// function call.
CallingConv::ID getCallingConv() const {
void setAttributes(const AttributeSet &Attrs) { AttributeList = Attrs; }
/// addAttribute - adds the attribute to the list of attributes.
- void addAttribute(unsigned i, Attribute attr);
+ void addAttribute(unsigned i, Attribute::AttrKind attr);
/// removeAttribute - removes the attribute from the list of attributes.
void removeAttribute(unsigned i, Attribute attr);
- /// \brief Determine whether this call has the NoAlias attribute.
- bool hasFnAttr(Attribute::AttrKind A) const;
+ /// \brief adds the dereferenceable attribute to the list of attributes.
+ void addDereferenceableAttr(unsigned i, uint64_t Bytes);
+
+ /// \brief adds the dereferenceable_or_null attribute to the list of
+ /// attributes.
+ void addDereferenceableOrNullAttr(unsigned i, uint64_t Bytes);
+
+ /// \brief Determine whether this call has the given attribute.
+ bool hasFnAttr(Attribute::AttrKind A) const {
+ assert(A != Attribute::NoBuiltin &&
+ "Use CallInst::isNoBuiltin() to check for Attribute::NoBuiltin");
+ return hasFnAttrImpl(A);
+ }
/// \brief Determine whether the call or the callee has the given attributes.
bool paramHasAttr(unsigned i, Attribute::AttrKind A) const;
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 {
+ // We assert in hasFnAttr if one passes in Attribute::NoBuiltin, so we have
+ // to check it by hand.
+ return hasFnAttrImpl(Attribute::NoBuiltin) &&
+ !hasFnAttrImpl(Attribute::Builtin);
+ }
+
/// \brief Return true if the call should not be inlined.
bool isNoInline() const { return hasFnAttr(Attribute::NoInline); }
void setIsNoInline() {
- addAttribute(AttributeSet::FunctionIndex,
- Attribute::get(getContext(), Attribute::NoInline));
+ addAttribute(AttributeSet::FunctionIndex, Attribute::NoInline);
}
/// \brief Determine if the call does not access memory.
return hasFnAttr(Attribute::ReadNone);
}
void setDoesNotAccessMemory() {
- addAttribute(AttributeSet::FunctionIndex,
- Attribute::get(getContext(), Attribute::ReadNone));
+ addAttribute(AttributeSet::FunctionIndex, Attribute::ReadNone);
}
/// \brief Determine if the call does not access or only reads memory.
return doesNotAccessMemory() || hasFnAttr(Attribute::ReadOnly);
}
void setOnlyReadsMemory() {
- addAttribute(AttributeSet::FunctionIndex,
- Attribute::get(getContext(), Attribute::ReadOnly));
+ addAttribute(AttributeSet::FunctionIndex, Attribute::ReadOnly);
}
/// \brief Determine if the call cannot return.
bool doesNotReturn() const { return hasFnAttr(Attribute::NoReturn); }
void setDoesNotReturn() {
- addAttribute(AttributeSet::FunctionIndex,
- Attribute::get(getContext(), Attribute::NoReturn));
+ addAttribute(AttributeSet::FunctionIndex, Attribute::NoReturn);
}
/// \brief Determine if the call cannot unwind.
bool doesNotThrow() const { return hasFnAttr(Attribute::NoUnwind); }
void setDoesNotThrow() {
- addAttribute(AttributeSet::FunctionIndex,
- Attribute::get(getContext(), Attribute::NoUnwind));
+ addAttribute(AttributeSet::FunctionIndex, Attribute::NoUnwind);
+ }
+
+ /// \brief Determine if the invoke cannot be duplicated.
+ bool cannotDuplicate() const {return hasFnAttr(Attribute::NoDuplicate); }
+ void setCannotDuplicate() {
+ addAttribute(AttributeSet::FunctionIndex, Attribute::NoDuplicate);
}
/// \brief Determine if the call returns a structure through first
}
private:
- virtual BasicBlock *getSuccessorV(unsigned idx) const;
- virtual unsigned getNumSuccessorsV() const;
- virtual void setSuccessorV(unsigned idx, BasicBlock *B);
+ BasicBlock *getSuccessorV(unsigned idx) const override;
+ unsigned getNumSuccessorsV() const override;
+ void setSuccessorV(unsigned idx, BasicBlock *B) override;
+
+ bool hasFnAttrImpl(Attribute::AttrKind A) const;
// Shadow Instruction::setInstructionSubclassData with a private forwarding
// method so that subclasses cannot accidentally use it.
class ResumeInst : public TerminatorInst {
ResumeInst(const ResumeInst &RI);
- explicit ResumeInst(Value *Exn, Instruction *InsertBefore=0);
+ explicit ResumeInst(Value *Exn, Instruction *InsertBefore=nullptr);
ResumeInst(Value *Exn, BasicBlock *InsertAtEnd);
protected:
- virtual ResumeInst *clone_impl() const;
+ ResumeInst *clone_impl() const override;
public:
- static ResumeInst *Create(Value *Exn, Instruction *InsertBefore = 0) {
+ static ResumeInst *Create(Value *Exn, Instruction *InsertBefore = nullptr) {
return new(1) ResumeInst(Exn, InsertBefore);
}
static ResumeInst *Create(Value *Exn, BasicBlock *InsertAtEnd) {
return isa<Instruction>(V) && classof(cast<Instruction>(V));
}
private:
- virtual BasicBlock *getSuccessorV(unsigned idx) const;
- virtual unsigned getNumSuccessorsV() const;
- virtual void setSuccessorV(unsigned idx, BasicBlock *B);
+ BasicBlock *getSuccessorV(unsigned idx) const override;
+ unsigned getNumSuccessorsV() const override;
+ void setSuccessorV(unsigned idx, BasicBlock *B) override;
};
template <>
/// 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:
- virtual UnreachableInst *clone_impl() const;
+ UnreachableInst *clone_impl() const override;
public:
// allocate space for exactly zero operands
void *operator new(size_t s) {
return User::operator new(s, 0);
}
- explicit UnreachableInst(LLVMContext &C, Instruction *InsertBefore = 0);
+ explicit UnreachableInst(LLVMContext &C, Instruction *InsertBefore = nullptr);
explicit UnreachableInst(LLVMContext &C, BasicBlock *InsertAtEnd);
unsigned getNumSuccessors() const { return 0; }
return isa<Instruction>(V) && classof(cast<Instruction>(V));
}
private:
- virtual BasicBlock *getSuccessorV(unsigned idx) const;
- virtual unsigned getNumSuccessorsV() const;
- virtual void setSuccessorV(unsigned idx, BasicBlock *B);
+ BasicBlock *getSuccessorV(unsigned idx) const override;
+ unsigned getNumSuccessorsV() const override;
+ void setSuccessorV(unsigned idx, BasicBlock *B) override;
};
//===----------------------------------------------------------------------===//
class TruncInst : public CastInst {
protected:
/// \brief Clone an identical TruncInst
- virtual TruncInst *clone_impl() const;
+ TruncInst *clone_impl() const override;
public:
/// \brief Constructor with insert-before-instruction semantics
TruncInst(
- Value *S, ///< The value to be truncated
- Type *Ty, ///< The (smaller) type to truncate to
- const Twine &NameStr = "", ///< A name for the new instruction
- Instruction *InsertBefore = 0 ///< Where to insert the new instruction
+ Value *S, ///< The value to be truncated
+ Type *Ty, ///< The (smaller) type to truncate to
+ const Twine &NameStr = "", ///< A name for the new instruction
+ Instruction *InsertBefore = nullptr ///< Where to insert the new instruction
);
/// \brief Constructor with insert-at-end-of-block semantics
TruncInst(
Value *S, ///< The value to be truncated
- Type *Ty, ///< The (smaller) type to truncate to
+ Type *Ty, ///< The (smaller) type to truncate to
const Twine &NameStr, ///< A name for the new instruction
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
class ZExtInst : public CastInst {
protected:
/// \brief Clone an identical ZExtInst
- virtual ZExtInst *clone_impl() const;
+ ZExtInst *clone_impl() const override;
public:
/// \brief Constructor with insert-before-instruction semantics
ZExtInst(
- Value *S, ///< The value to be zero extended
- Type *Ty, ///< The type to zero extend to
- const Twine &NameStr = "", ///< A name for the new instruction
- Instruction *InsertBefore = 0 ///< Where to insert the new instruction
+ Value *S, ///< The value to be zero extended
+ Type *Ty, ///< The type to zero extend to
+ const Twine &NameStr = "", ///< A name for the new instruction
+ Instruction *InsertBefore = nullptr ///< Where to insert the new instruction
);
/// \brief Constructor with insert-at-end semantics.
ZExtInst(
Value *S, ///< The value to be zero extended
- Type *Ty, ///< The type to zero extend to
+ Type *Ty, ///< The type to zero extend to
const Twine &NameStr, ///< A name for the new instruction
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
class SExtInst : public CastInst {
protected:
/// \brief Clone an identical SExtInst
- virtual SExtInst *clone_impl() const;
+ SExtInst *clone_impl() const override;
public:
/// \brief Constructor with insert-before-instruction semantics
SExtInst(
- Value *S, ///< The value to be sign extended
- Type *Ty, ///< The type to sign extend to
- const Twine &NameStr = "", ///< A name for the new instruction
- Instruction *InsertBefore = 0 ///< Where to insert the new instruction
+ Value *S, ///< The value to be sign extended
+ Type *Ty, ///< The type to sign extend to
+ const Twine &NameStr = "", ///< A name for the new instruction
+ Instruction *InsertBefore = nullptr ///< Where to insert the new instruction
);
/// \brief Constructor with insert-at-end-of-block semantics
SExtInst(
Value *S, ///< The value to be sign extended
- Type *Ty, ///< The type to sign extend to
+ Type *Ty, ///< The type to sign extend to
const Twine &NameStr, ///< A name for the new instruction
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
class FPTruncInst : public CastInst {
protected:
/// \brief Clone an identical FPTruncInst
- virtual FPTruncInst *clone_impl() const;
+ FPTruncInst *clone_impl() const override;
public:
/// \brief Constructor with insert-before-instruction semantics
FPTruncInst(
- Value *S, ///< The value to be truncated
- Type *Ty, ///< The type to truncate to
- const Twine &NameStr = "", ///< A name for the new instruction
- Instruction *InsertBefore = 0 ///< Where to insert the new instruction
+ Value *S, ///< The value to be truncated
+ Type *Ty, ///< The type to truncate to
+ const Twine &NameStr = "", ///< A name for the new instruction
+ Instruction *InsertBefore = nullptr ///< Where to insert the new instruction
);
/// \brief Constructor with insert-before-instruction semantics
FPTruncInst(
Value *S, ///< The value to be truncated
- Type *Ty, ///< The type to truncate to
+ Type *Ty, ///< The type to truncate to
const Twine &NameStr, ///< A name for the new instruction
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
class FPExtInst : public CastInst {
protected:
/// \brief Clone an identical FPExtInst
- virtual FPExtInst *clone_impl() const;
+ FPExtInst *clone_impl() const override;
public:
/// \brief Constructor with insert-before-instruction semantics
FPExtInst(
- Value *S, ///< The value to be extended
- Type *Ty, ///< The type to extend to
- const Twine &NameStr = "", ///< A name for the new instruction
- Instruction *InsertBefore = 0 ///< Where to insert the new instruction
+ Value *S, ///< The value to be extended
+ Type *Ty, ///< The type to extend to
+ const Twine &NameStr = "", ///< A name for the new instruction
+ Instruction *InsertBefore = nullptr ///< Where to insert the new instruction
);
/// \brief Constructor with insert-at-end-of-block semantics
FPExtInst(
Value *S, ///< The value to be extended
- Type *Ty, ///< The type to extend to
+ Type *Ty, ///< The type to extend to
const Twine &NameStr, ///< A name for the new instruction
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
class UIToFPInst : public CastInst {
protected:
/// \brief Clone an identical UIToFPInst
- virtual UIToFPInst *clone_impl() const;
+ UIToFPInst *clone_impl() const override;
public:
/// \brief Constructor with insert-before-instruction semantics
UIToFPInst(
- Value *S, ///< The value to be converted
- Type *Ty, ///< The type to convert to
- const Twine &NameStr = "", ///< A name for the new instruction
- Instruction *InsertBefore = 0 ///< Where to insert the new instruction
+ Value *S, ///< The value to be converted
+ Type *Ty, ///< The type to convert to
+ const Twine &NameStr = "", ///< A name for the new instruction
+ Instruction *InsertBefore = nullptr ///< Where to insert the new instruction
);
/// \brief Constructor with insert-at-end-of-block semantics
UIToFPInst(
Value *S, ///< The value to be converted
- Type *Ty, ///< The type to convert to
+ Type *Ty, ///< The type to convert to
const Twine &NameStr, ///< A name for the new instruction
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
class SIToFPInst : public CastInst {
protected:
/// \brief Clone an identical SIToFPInst
- virtual SIToFPInst *clone_impl() const;
+ SIToFPInst *clone_impl() const override;
public:
/// \brief Constructor with insert-before-instruction semantics
SIToFPInst(
- Value *S, ///< The value to be converted
- Type *Ty, ///< The type to convert to
- const Twine &NameStr = "", ///< A name for the new instruction
- Instruction *InsertBefore = 0 ///< Where to insert the new instruction
+ Value *S, ///< The value to be converted
+ Type *Ty, ///< The type to convert to
+ const Twine &NameStr = "", ///< A name for the new instruction
+ Instruction *InsertBefore = nullptr ///< Where to insert the new instruction
);
/// \brief Constructor with insert-at-end-of-block semantics
SIToFPInst(
Value *S, ///< The value to be converted
- Type *Ty, ///< The type to convert to
+ Type *Ty, ///< The type to convert to
const Twine &NameStr, ///< A name for the new instruction
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
class FPToUIInst : public CastInst {
protected:
/// \brief Clone an identical FPToUIInst
- virtual FPToUIInst *clone_impl() const;
+ FPToUIInst *clone_impl() const override;
public:
/// \brief Constructor with insert-before-instruction semantics
FPToUIInst(
- Value *S, ///< The value to be converted
- Type *Ty, ///< The type to convert to
- const Twine &NameStr = "", ///< A name for the new instruction
- Instruction *InsertBefore = 0 ///< Where to insert the new instruction
+ Value *S, ///< The value to be converted
+ Type *Ty, ///< The type to convert to
+ const Twine &NameStr = "", ///< A name for the new instruction
+ Instruction *InsertBefore = nullptr ///< Where to insert the new instruction
);
/// \brief Constructor with insert-at-end-of-block semantics
FPToUIInst(
Value *S, ///< The value to be converted
- Type *Ty, ///< The type to convert to
+ Type *Ty, ///< The type to convert to
const Twine &NameStr, ///< A name for the new instruction
BasicBlock *InsertAtEnd ///< Where to insert the new instruction
);
class FPToSIInst : public CastInst {
protected:
/// \brief Clone an identical FPToSIInst
- virtual FPToSIInst *clone_impl() const;
+ FPToSIInst *clone_impl() const override;
public:
/// \brief Constructor with insert-before-instruction semantics
FPToSIInst(
- Value *S, ///< The value to be converted
- Type *Ty, ///< The type to convert to
- const Twine &NameStr = "", ///< A name for the new instruction
- Instruction *InsertBefore = 0 ///< Where to insert the new instruction
+ Value *S, ///< The value to be converted
+ Type *Ty, ///< The type to convert to
+ const Twine &NameStr = "", ///< A name for the new instruction
+ Instruction *InsertBefore = nullptr ///< Where to insert the new instruction
);
/// \brief Constructor with insert-at-end-of-block semantics
FPToSIInst(
Value *S, ///< The value to be converted
- Type *Ty, ///< The type to convert to
+ Type *Ty, ///< The type to convert to
const Twine &NameStr, ///< A name for the new instruction
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
public:
/// \brief Constructor with insert-before-instruction semantics
IntToPtrInst(
- Value *S, ///< The value to be converted
- Type *Ty, ///< The type to convert to
- const Twine &NameStr = "", ///< A name for the new instruction
- Instruction *InsertBefore = 0 ///< Where to insert the new instruction
+ Value *S, ///< The value to be converted
+ Type *Ty, ///< The type to convert to
+ const Twine &NameStr = "", ///< A name for the new instruction
+ Instruction *InsertBefore = nullptr ///< Where to insert the new instruction
);
/// \brief Constructor with insert-at-end-of-block semantics
IntToPtrInst(
Value *S, ///< The value to be converted
- Type *Ty, ///< The type to convert to
+ Type *Ty, ///< The type to convert to
const Twine &NameStr, ///< A name for the new instruction
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
/// \brief Clone an identical IntToPtrInst
- virtual IntToPtrInst *clone_impl() const;
+ IntToPtrInst *clone_impl() const override;
/// \brief Returns the address space of this instruction's pointer type.
unsigned getAddressSpace() const {
class PtrToIntInst : public CastInst {
protected:
/// \brief Clone an identical PtrToIntInst
- virtual PtrToIntInst *clone_impl() const;
+ PtrToIntInst *clone_impl() const override;
public:
/// \brief Constructor with insert-before-instruction semantics
PtrToIntInst(
- Value *S, ///< The value to be converted
- Type *Ty, ///< The type to convert to
- const Twine &NameStr = "", ///< A name for the new instruction
- Instruction *InsertBefore = 0 ///< Where to insert the new instruction
+ Value *S, ///< The value to be converted
+ Type *Ty, ///< The type to convert to
+ const Twine &NameStr = "", ///< A name for the new instruction
+ Instruction *InsertBefore = nullptr ///< Where to insert the new instruction
);
/// \brief Constructor with insert-at-end-of-block semantics
PtrToIntInst(
Value *S, ///< The value to be converted
- Type *Ty, ///< The type to convert to
+ Type *Ty, ///< The type to convert to
const Twine &NameStr, ///< A name for the new instruction
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
class BitCastInst : public CastInst {
protected:
/// \brief Clone an identical BitCastInst
- virtual BitCastInst *clone_impl() const;
+ BitCastInst *clone_impl() const override;
public:
/// \brief Constructor with insert-before-instruction semantics
BitCastInst(
- Value *S, ///< The value to be casted
- Type *Ty, ///< The type to casted to
- const Twine &NameStr = "", ///< A name for the new instruction
- Instruction *InsertBefore = 0 ///< Where to insert the new instruction
+ Value *S, ///< The value to be casted
+ Type *Ty, ///< The type to casted to
+ const Twine &NameStr = "", ///< A name for the new instruction
+ Instruction *InsertBefore = nullptr ///< Where to insert the new instruction
);
/// \brief Constructor with insert-at-end-of-block semantics
BitCastInst(
Value *S, ///< The value to be casted
- Type *Ty, ///< The type to casted to
+ Type *Ty, ///< The type to casted to
const Twine &NameStr, ///< A name for the new instruction
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
}
};
+//===----------------------------------------------------------------------===//
+// AddrSpaceCastInst Class
+//===----------------------------------------------------------------------===//
+
+/// \brief This class represents a conversion between pointers from
+/// one address space to another.
+class AddrSpaceCastInst : public CastInst {
+protected:
+ /// \brief Clone an identical AddrSpaceCastInst
+ AddrSpaceCastInst *clone_impl() const override;
+
+public:
+ /// \brief Constructor with insert-before-instruction semantics
+ AddrSpaceCastInst(
+ Value *S, ///< The value to be casted
+ Type *Ty, ///< The type to casted to
+ const Twine &NameStr = "", ///< A name for the new instruction
+ Instruction *InsertBefore = nullptr ///< Where to insert the new instruction
+ );
+
+ /// \brief Constructor with insert-at-end-of-block semantics
+ AddrSpaceCastInst(
+ Value *S, ///< The value to be casted
+ Type *Ty, ///< The type to casted to
+ const Twine &NameStr, ///< A name for the new instruction
+ BasicBlock *InsertAtEnd ///< The block to insert the instruction into
+ );
+
+ // Methods for support type inquiry through isa, cast, and dyn_cast:
+ static inline bool classof(const Instruction *I) {
+ return I->getOpcode() == AddrSpaceCast;
+ }
+ static inline bool classof(const Value *V) {
+ return isa<Instruction>(V) && classof(cast<Instruction>(V));
+ }
+};
+
} // End llvm namespace
#endif
projects / oota-llvm.git / blobdiff