#include "llvm/DerivedTypes.h"
#include "llvm/Attributes.h"
#include "llvm/CallingConv.h"
+#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/SmallVector.h"
+#include "llvm/Support/ErrorHandling.h"
#include <iterator>
namespace llvm {
class ConstantRange;
class APInt;
class LLVMContext;
-class DominatorTree;
+
+enum AtomicOrdering {
+ NotAtomic = 0,
+ Unordered = 1,
+ Monotonic = 2,
+ // Consume = 3, // Not specified yet.
+ Acquire = 4,
+ Release = 5,
+ AcquireRelease = 6,
+ SequentiallyConsistent = 7
+};
+
+enum SynchronizationScope {
+ SingleThread = 0,
+ CrossThread = 1
+};
//===----------------------------------------------------------------------===//
// AllocaInst Class
protected:
virtual AllocaInst *clone_impl() const;
public:
- explicit AllocaInst(const Type *Ty, Value *ArraySize = 0,
+ explicit AllocaInst(Type *Ty, Value *ArraySize = 0,
const Twine &Name = "", Instruction *InsertBefore = 0);
- AllocaInst(const Type *Ty, Value *ArraySize,
+ AllocaInst(Type *Ty, Value *ArraySize,
const Twine &Name, BasicBlock *InsertAtEnd);
- AllocaInst(const Type *Ty, const Twine &Name, Instruction *InsertBefore = 0);
- AllocaInst(const Type *Ty, const Twine &Name, BasicBlock *InsertAtEnd);
+ AllocaInst(Type *Ty, const Twine &Name, Instruction *InsertBefore = 0);
+ AllocaInst(Type *Ty, const Twine &Name, BasicBlock *InsertAtEnd);
- AllocaInst(const Type *Ty, Value *ArraySize, unsigned Align,
+ AllocaInst(Type *Ty, Value *ArraySize, unsigned Align,
const Twine &Name = "", Instruction *InsertBefore = 0);
- AllocaInst(const Type *Ty, Value *ArraySize, unsigned Align,
+ AllocaInst(Type *Ty, Value *ArraySize, unsigned Align,
const Twine &Name, BasicBlock *InsertAtEnd);
// Out of line virtual method, so the vtable, etc. has a home.
/// getType - Overload to return most specific pointer type
///
- const PointerType *getType() const {
- return reinterpret_cast<const PointerType*>(Instruction::getType());
+ PointerType *getType() const {
+ return reinterpret_cast<PointerType*>(Instruction::getType());
}
/// getAllocatedType - Return the type that is being allocated by the
/// instruction.
///
- const Type *getAllocatedType() const;
+ Type *getAllocatedType() const;
/// getAlignment - Return the alignment of the memory that is being allocated
/// by the instruction.
LoadInst(Value *Ptr, const Twine &NameStr, BasicBlock *InsertAtEnd);
LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile = false,
Instruction *InsertBefore = 0);
- LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile,
- unsigned Align, Instruction *InsertBefore = 0);
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, BasicBlock *InsertAtEnd);
+ LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile,
+ unsigned Align, AtomicOrdering Order,
+ SynchronizationScope SynchScope = CrossThread,
+ Instruction *InsertBefore = 0);
+ LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile,
+ unsigned Align, AtomicOrdering Order,
+ SynchronizationScope SynchScope,
+ BasicBlock *InsertAtEnd);
LoadInst(Value *Ptr, const char *NameStr, Instruction *InsertBefore);
LoadInst(Value *Ptr, const char *NameStr, BasicBlock *InsertAtEnd);
/// getAlignment - Return the alignment of the access that is being performed
///
unsigned getAlignment() const {
- return (1 << (getSubclassDataFromInstruction() >> 1)) >> 1;
+ return (1 << ((getSubclassDataFromInstruction() >> 1) & 31)) >> 1;
}
void setAlignment(unsigned Align);
+ /// Returns the ordering effect of this fence.
+ AtomicOrdering getOrdering() const {
+ return AtomicOrdering((getSubclassDataFromInstruction() >> 7) & 7);
+ }
+
+ /// Set the ordering constraint on this load. May not be Release or
+ /// AcquireRelease.
+ void setOrdering(AtomicOrdering Ordering) {
+ setInstructionSubclassData((getSubclassDataFromInstruction() & ~(7 << 7)) |
+ (Ordering << 7));
+ }
+
+ SynchronizationScope getSynchScope() const {
+ return SynchronizationScope((getSubclassDataFromInstruction() >> 6) & 1);
+ }
+
+ /// Specify whether this load is ordered with respect to all
+ /// concurrently executing threads, or only with respect to signal handlers
+ /// executing in the same thread.
+ void setSynchScope(SynchronizationScope xthread) {
+ setInstructionSubclassData((getSubclassDataFromInstruction() & ~(1 << 6)) |
+ (xthread << 6));
+ }
+
+ bool isAtomic() const { return getOrdering() != NotAtomic; }
+ void setAtomic(AtomicOrdering Ordering,
+ SynchronizationScope SynchScope = CrossThread) {
+ setOrdering(Ordering);
+ setSynchScope(SynchScope);
+ }
+
+ bool isSimple() const { return !isAtomic() && !isVolatile(); }
+ bool isUnordered() const {
+ return getOrdering() <= Unordered && !isVolatile();
+ }
+
Value *getPointerOperand() { return getOperand(0); }
const Value *getPointerOperand() const { return getOperand(0); }
static unsigned getPointerOperandIndex() { return 0U; }
unsigned getPointerAddressSpace() const {
return cast<PointerType>(getPointerOperand()->getType())->getAddressSpace();
}
-
-
+
+
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const LoadInst *) { return true; }
static inline bool classof(const Instruction *I) {
StoreInst(Value *Val, Value *Ptr, BasicBlock *InsertAtEnd);
StoreInst(Value *Val, Value *Ptr, bool isVolatile = false,
Instruction *InsertBefore = 0);
+ StoreInst(Value *Val, Value *Ptr, bool isVolatile, BasicBlock *InsertAtEnd);
StoreInst(Value *Val, Value *Ptr, bool isVolatile,
unsigned Align, Instruction *InsertBefore = 0);
- StoreInst(Value *Val, Value *Ptr, bool isVolatile, BasicBlock *InsertAtEnd);
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);
+ StoreInst(Value *Val, Value *Ptr, bool isVolatile,
+ unsigned Align, AtomicOrdering Order,
+ SynchronizationScope SynchScope,
+ BasicBlock *InsertAtEnd);
+
-
- /// isVolatile - Return true if this is a load from a volatile memory
+ /// isVolatile - Return true if this is a store to a volatile memory
/// location.
///
bool isVolatile() const { return getSubclassDataFromInstruction() & 1; }
- /// setVolatile - Specify whether this is a volatile load or not.
+ /// setVolatile - Specify whether this is a volatile store or not.
///
void setVolatile(bool V) {
setInstructionSubclassData((getSubclassDataFromInstruction() & ~1) |
/// getAlignment - Return the alignment of the access that is being performed
///
unsigned getAlignment() const {
- return (1 << (getSubclassDataFromInstruction() >> 1)) >> 1;
+ return (1 << ((getSubclassDataFromInstruction() >> 1) & 31)) >> 1;
}
void setAlignment(unsigned Align);
+ /// Returns the ordering effect of this store.
+ AtomicOrdering getOrdering() const {
+ return AtomicOrdering((getSubclassDataFromInstruction() >> 7) & 7);
+ }
+
+ /// Set the ordering constraint on this store. May not be Acquire or
+ /// AcquireRelease.
+ void setOrdering(AtomicOrdering Ordering) {
+ setInstructionSubclassData((getSubclassDataFromInstruction() & ~(7 << 7)) |
+ (Ordering << 7));
+ }
+
+ SynchronizationScope getSynchScope() const {
+ return SynchronizationScope((getSubclassDataFromInstruction() >> 6) & 1);
+ }
+
+ /// Specify whether this store instruction is ordered with respect to all
+ /// concurrently executing threads, or only with respect to signal handlers
+ /// executing in the same thread.
+ void setSynchScope(SynchronizationScope xthread) {
+ setInstructionSubclassData((getSubclassDataFromInstruction() & ~(1 << 6)) |
+ (xthread << 6));
+ }
+
+ bool isAtomic() const { return getOrdering() != NotAtomic; }
+ void setAtomic(AtomicOrdering Ordering,
+ SynchronizationScope SynchScope = CrossThread) {
+ setOrdering(Ordering);
+ setSynchScope(SynchScope);
+ }
+
+ bool isSimple() const { return !isAtomic() && !isVolatile(); }
+ bool isUnordered() const {
+ return getOrdering() <= Unordered && !isVolatile();
+ }
+
Value *getValueOperand() { return getOperand(0); }
const Value *getValueOperand() const { return getOperand(0); }
-
+
Value *getPointerOperand() { return getOperand(1); }
const Value *getPointerOperand() const { return getOperand(1); }
static unsigned getPointerOperandIndex() { return 1U; }
unsigned getPointerAddressSpace() const {
return cast<PointerType>(getPointerOperand()->getType())->getAddressSpace();
}
-
+
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const StoreInst *) { return true; }
static inline bool classof(const Instruction *I) {
};
template <>
-struct OperandTraits<StoreInst> : public FixedNumOperandTraits<2> {
+struct OperandTraits<StoreInst> : public FixedNumOperandTraits<StoreInst, 2> {
};
DEFINE_TRANSPARENT_OPERAND_ACCESSORS(StoreInst, Value)
+//===----------------------------------------------------------------------===//
+// FenceInst Class
+//===----------------------------------------------------------------------===//
+
+/// FenceInst - an instruction for ordering other memory operations
+///
+class FenceInst : public Instruction {
+ void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
+ void Init(AtomicOrdering Ordering, SynchronizationScope SynchScope);
+protected:
+ virtual FenceInst *clone_impl() const;
+public:
+ // allocate space for exactly zero operands
+ void *operator new(size_t s) {
+ return User::operator new(s, 0);
+ }
+
+ // Ordering may only be Acquire, Release, AcquireRelease, or
+ // SequentiallyConsistent.
+ FenceInst(LLVMContext &C, AtomicOrdering Ordering,
+ SynchronizationScope SynchScope = CrossThread,
+ Instruction *InsertBefore = 0);
+ FenceInst(LLVMContext &C, AtomicOrdering Ordering,
+ SynchronizationScope SynchScope,
+ BasicBlock *InsertAtEnd);
+
+ /// Returns the ordering effect of this fence.
+ AtomicOrdering getOrdering() const {
+ return AtomicOrdering(getSubclassDataFromInstruction() >> 1);
+ }
+
+ /// Set the ordering constraint on this fence. May only be Acquire, Release,
+ /// AcquireRelease, or SequentiallyConsistent.
+ void setOrdering(AtomicOrdering Ordering) {
+ setInstructionSubclassData((getSubclassDataFromInstruction() & 1) |
+ (Ordering << 1));
+ }
+
+ SynchronizationScope getSynchScope() const {
+ return SynchronizationScope(getSubclassDataFromInstruction() & 1);
+ }
+
+ /// Specify whether this fence orders other operations with respect to all
+ /// concurrently executing threads, or only with respect to signal handlers
+ /// executing in the same thread.
+ void setSynchScope(SynchronizationScope xthread) {
+ setInstructionSubclassData((getSubclassDataFromInstruction() & ~1) |
+ xthread);
+ }
+
+ // Methods for support type inquiry through isa, cast, and dyn_cast:
+ static inline bool classof(const FenceInst *) { return true; }
+ static inline bool classof(const Instruction *I) {
+ return I->getOpcode() == Instruction::Fence;
+ }
+ static inline bool classof(const Value *V) {
+ return isa<Instruction>(V) && classof(cast<Instruction>(V));
+ }
+private:
+ // Shadow Instruction::setInstructionSubclassData with a private forwarding
+ // method so that subclasses cannot accidentally use it.
+ void setInstructionSubclassData(unsigned short D) {
+ Instruction::setInstructionSubclassData(D);
+ }
+};
+
+//===----------------------------------------------------------------------===//
+// AtomicCmpXchgInst Class
+//===----------------------------------------------------------------------===//
+
+/// AtomicCmpXchgInst - an instruction that atomically checks whether a
+/// specified value is in a memory location, and, if it is, stores a new value
+/// there. Returns the value that was loaded.
+///
+class AtomicCmpXchgInst : public Instruction {
+ void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
+ void Init(Value *Ptr, Value *Cmp, Value *NewVal,
+ AtomicOrdering Ordering, SynchronizationScope SynchScope);
+protected:
+ virtual AtomicCmpXchgInst *clone_impl() const;
+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);
+ AtomicCmpXchgInst(Value *Ptr, Value *Cmp, Value *NewVal,
+ AtomicOrdering Ordering, SynchronizationScope SynchScope,
+ BasicBlock *InsertAtEnd);
+
+ /// isVolatile - Return true if this is a cmpxchg from a volatile memory
+ /// location.
+ ///
+ bool isVolatile() const {
+ return getSubclassDataFromInstruction() & 1;
+ }
+
+ /// setVolatile - Specify whether this is a volatile cmpxchg.
+ ///
+ void setVolatile(bool V) {
+ setInstructionSubclassData((getSubclassDataFromInstruction() & ~1) |
+ (unsigned)V);
+ }
+
+ /// Transparently provide more efficient getOperand methods.
+ DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
+
+ /// Set the ordering constraint on this cmpxchg.
+ void setOrdering(AtomicOrdering Ordering) {
+ assert(Ordering != NotAtomic &&
+ "CmpXchg instructions can only be atomic.");
+ setInstructionSubclassData((getSubclassDataFromInstruction() & 3) |
+ (Ordering << 2));
+ }
+
+ /// 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.
+ void setSynchScope(SynchronizationScope SynchScope) {
+ setInstructionSubclassData((getSubclassDataFromInstruction() & ~2) |
+ (SynchScope << 1));
+ }
+
+ /// Returns the ordering constraint on this cmpxchg.
+ AtomicOrdering getOrdering() const {
+ return AtomicOrdering(getSubclassDataFromInstruction() >> 2);
+ }
+
+ /// Returns whether this cmpxchg is atomic between threads or only within a
+ /// single thread.
+ SynchronizationScope getSynchScope() const {
+ return SynchronizationScope((getSubclassDataFromInstruction() & 2) >> 1);
+ }
+
+ Value *getPointerOperand() { return getOperand(0); }
+ const Value *getPointerOperand() const { return getOperand(0); }
+ static unsigned getPointerOperandIndex() { return 0U; }
+
+ Value *getCompareOperand() { return getOperand(1); }
+ const Value *getCompareOperand() const { return getOperand(1); }
+
+ Value *getNewValOperand() { return getOperand(2); }
+ const Value *getNewValOperand() const { return getOperand(2); }
+
+ unsigned getPointerAddressSpace() const {
+ return cast<PointerType>(getPointerOperand()->getType())->getAddressSpace();
+ }
+
+ // Methods for support type inquiry through isa, cast, and dyn_cast:
+ static inline bool classof(const AtomicCmpXchgInst *) { return true; }
+ static inline bool classof(const Instruction *I) {
+ return I->getOpcode() == Instruction::AtomicCmpXchg;
+ }
+ static inline bool classof(const Value *V) {
+ return isa<Instruction>(V) && classof(cast<Instruction>(V));
+ }
+private:
+ // Shadow Instruction::setInstructionSubclassData with a private forwarding
+ // method so that subclasses cannot accidentally use it.
+ void setInstructionSubclassData(unsigned short D) {
+ Instruction::setInstructionSubclassData(D);
+ }
+};
+
+template <>
+struct OperandTraits<AtomicCmpXchgInst> :
+ public FixedNumOperandTraits<AtomicCmpXchgInst, 3> {
+};
+
+DEFINE_TRANSPARENT_OPERAND_ACCESSORS(AtomicCmpXchgInst, Value)
+
+//===----------------------------------------------------------------------===//
+// AtomicRMWInst Class
+//===----------------------------------------------------------------------===//
+
+/// AtomicRMWInst - an instruction that atomically reads a memory location,
+/// combines it with another value, and then stores the result back. Returns
+/// the old value.
+///
+class AtomicRMWInst : public Instruction {
+ void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
+protected:
+ virtual AtomicRMWInst *clone_impl() const;
+public:
+ /// This enumeration lists the possible modifications atomicrmw can make. In
+ /// the descriptions, 'p' is the pointer to the instruction's memory location,
+ /// 'old' is the initial value of *p, and 'v' is the other value passed to the
+ /// instruction. These instructions always return 'old'.
+ enum BinOp {
+ /// *p = v
+ Xchg,
+ /// *p = old + v
+ Add,
+ /// *p = old - v
+ Sub,
+ /// *p = old & v
+ And,
+ /// *p = ~old & v
+ Nand,
+ /// *p = old | v
+ Or,
+ /// *p = old ^ v
+ Xor,
+ /// *p = old >signed v ? old : v
+ Max,
+ /// *p = old <signed v ? old : v
+ Min,
+ /// *p = old >unsigned v ? old : v
+ UMax,
+ /// *p = old <unsigned v ? old : v
+ UMin,
+
+ FIRST_BINOP = Xchg,
+ LAST_BINOP = UMin,
+ BAD_BINOP
+ };
+
+ // allocate space for exactly two operands
+ void *operator new(size_t s) {
+ return User::operator new(s, 2);
+ }
+ AtomicRMWInst(BinOp Operation, Value *Ptr, Value *Val,
+ AtomicOrdering Ordering, SynchronizationScope SynchScope,
+ Instruction *InsertBefore = 0);
+ AtomicRMWInst(BinOp Operation, Value *Ptr, Value *Val,
+ AtomicOrdering Ordering, SynchronizationScope SynchScope,
+ BasicBlock *InsertAtEnd);
+
+ BinOp getOperation() const {
+ return static_cast<BinOp>(getSubclassDataFromInstruction() >> 5);
+ }
+
+ void setOperation(BinOp Operation) {
+ unsigned short SubclassData = getSubclassDataFromInstruction();
+ setInstructionSubclassData((SubclassData & 31) |
+ (Operation << 5));
+ }
+
+ /// isVolatile - Return true if this is a RMW on a volatile memory location.
+ ///
+ bool isVolatile() const {
+ return getSubclassDataFromInstruction() & 1;
+ }
+
+ /// setVolatile - Specify whether this is a volatile RMW or not.
+ ///
+ void setVolatile(bool V) {
+ setInstructionSubclassData((getSubclassDataFromInstruction() & ~1) |
+ (unsigned)V);
+ }
+
+ /// Transparently provide more efficient getOperand methods.
+ DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
+
+ /// Set the ordering constraint on this RMW.
+ void setOrdering(AtomicOrdering Ordering) {
+ assert(Ordering != NotAtomic &&
+ "atomicrmw instructions can only be atomic.");
+ setInstructionSubclassData((getSubclassDataFromInstruction() & ~(7 << 2)) |
+ (Ordering << 2));
+ }
+
+ /// Specify whether this RMW orders other operations with respect to all
+ /// concurrently executing threads, or only with respect to signal handlers
+ /// executing in the same thread.
+ void setSynchScope(SynchronizationScope SynchScope) {
+ setInstructionSubclassData((getSubclassDataFromInstruction() & ~2) |
+ (SynchScope << 1));
+ }
+
+ /// Returns the ordering constraint on this RMW.
+ AtomicOrdering getOrdering() const {
+ return AtomicOrdering((getSubclassDataFromInstruction() >> 2) & 7);
+ }
+
+ /// Returns whether this RMW is atomic between threads or only within a
+ /// single thread.
+ SynchronizationScope getSynchScope() const {
+ return SynchronizationScope((getSubclassDataFromInstruction() & 2) >> 1);
+ }
+
+ Value *getPointerOperand() { return getOperand(0); }
+ const Value *getPointerOperand() const { return getOperand(0); }
+ static unsigned getPointerOperandIndex() { return 0U; }
+
+ Value *getValOperand() { return getOperand(1); }
+ const Value *getValOperand() const { return getOperand(1); }
+
+ unsigned getPointerAddressSpace() const {
+ return cast<PointerType>(getPointerOperand()->getType())->getAddressSpace();
+ }
+
+ // Methods for support type inquiry through isa, cast, and dyn_cast:
+ static inline bool classof(const AtomicRMWInst *) { return true; }
+ static inline bool classof(const Instruction *I) {
+ return I->getOpcode() == Instruction::AtomicRMW;
+ }
+ static inline bool classof(const Value *V) {
+ return isa<Instruction>(V) && classof(cast<Instruction>(V));
+ }
+private:
+ void Init(BinOp Operation, Value *Ptr, Value *Val,
+ AtomicOrdering Ordering, SynchronizationScope SynchScope);
+ // Shadow Instruction::setInstructionSubclassData with a private forwarding
+ // method so that subclasses cannot accidentally use it.
+ void setInstructionSubclassData(unsigned short D) {
+ Instruction::setInstructionSubclassData(D);
+ }
+};
+
+template <>
+struct OperandTraits<AtomicRMWInst>
+ : public FixedNumOperandTraits<AtomicRMWInst,2> {
+};
+
+DEFINE_TRANSPARENT_OPERAND_ACCESSORS(AtomicRMWInst, Value)
+
//===----------------------------------------------------------------------===//
// GetElementPtrInst Class
//===----------------------------------------------------------------------===//
-// checkType - Simple wrapper function to give a better assertion failure
+// checkGEPType - Simple wrapper function to give a better assertion failure
// message on bad indexes for a gep instruction.
//
-static inline const Type *checkType(const Type *Ty) {
+static inline Type *checkGEPType(Type *Ty) {
assert(Ty && "Invalid GetElementPtrInst indices for type!");
return Ty;
}
///
class GetElementPtrInst : public Instruction {
GetElementPtrInst(const GetElementPtrInst &GEPI);
- void init(Value *Ptr, Value* const *Idx, unsigned NumIdx,
- const Twine &NameStr);
- void init(Value *Ptr, Value *Idx, const Twine &NameStr);
-
- template<typename InputIterator>
- void init(Value *Ptr, InputIterator IdxBegin, InputIterator IdxEnd,
- const Twine &NameStr,
- // This argument ensures that we have an iterator we can
- // do arithmetic on in constant time
- std::random_access_iterator_tag) {
- unsigned NumIdx = static_cast<unsigned>(std::distance(IdxBegin, IdxEnd));
-
- if (NumIdx > 0) {
- // This requires that the iterator points to contiguous memory.
- init(Ptr, &*IdxBegin, NumIdx, NameStr); // FIXME: for the general case
- // we have to build an array here
- }
- else {
- init(Ptr, 0, NumIdx, NameStr);
- }
- }
-
- /// getIndexedType - Returns the type of the element that would be loaded with
- /// a load instruction with the specified parameters.
- ///
- /// Null is returned if the indices are invalid for the specified
- /// pointer type.
- ///
- template<typename InputIterator>
- static const Type *getIndexedType(const Type *Ptr,
- InputIterator IdxBegin,
- InputIterator IdxEnd,
- // This argument ensures that we
- // have an iterator we can do
- // arithmetic on in constant time
- std::random_access_iterator_tag) {
- unsigned NumIdx = static_cast<unsigned>(std::distance(IdxBegin, IdxEnd));
-
- if (NumIdx > 0)
- // This requires that the iterator points to contiguous memory.
- return getIndexedType(Ptr, &*IdxBegin, NumIdx);
- else
- return getIndexedType(Ptr, (Value *const*)0, NumIdx);
- }
+ void init(Value *Ptr, ArrayRef<Value *> IdxList, const Twine &NameStr);
/// Constructors - Create a getelementptr instruction with a base pointer an
- /// list of indices. The first ctor can optionally insert before an existing
+ /// list of indices. The first ctor can optionally insert before an existing
/// instruction, the second appends the new instruction to the specified
/// BasicBlock.
- template<typename InputIterator>
- inline GetElementPtrInst(Value *Ptr, InputIterator IdxBegin,
- InputIterator IdxEnd,
- unsigned Values,
- const Twine &NameStr,
+ inline GetElementPtrInst(Value *Ptr, ArrayRef<Value *> IdxList,
+ unsigned Values, const Twine &NameStr,
Instruction *InsertBefore);
- template<typename InputIterator>
- inline GetElementPtrInst(Value *Ptr,
- InputIterator IdxBegin, InputIterator IdxEnd,
- unsigned Values,
- const Twine &NameStr, BasicBlock *InsertAtEnd);
-
- /// Constructors - These two constructors are convenience methods because one
- /// and two index getelementptr instructions are so common.
- GetElementPtrInst(Value *Ptr, Value *Idx, const Twine &NameStr = "",
- Instruction *InsertBefore = 0);
- GetElementPtrInst(Value *Ptr, Value *Idx,
- const Twine &NameStr, BasicBlock *InsertAtEnd);
+ inline GetElementPtrInst(Value *Ptr, ArrayRef<Value *> IdxList,
+ unsigned Values, const Twine &NameStr,
+ BasicBlock *InsertAtEnd);
protected:
virtual GetElementPtrInst *clone_impl() const;
public:
- template<typename InputIterator>
- static GetElementPtrInst *Create(Value *Ptr, InputIterator IdxBegin,
- InputIterator IdxEnd,
+ static GetElementPtrInst *Create(Value *Ptr, ArrayRef<Value *> IdxList,
const Twine &NameStr = "",
Instruction *InsertBefore = 0) {
- typename std::iterator_traits<InputIterator>::difference_type Values =
- 1 + std::distance(IdxBegin, IdxEnd);
+ unsigned Values = 1 + unsigned(IdxList.size());
return new(Values)
- GetElementPtrInst(Ptr, IdxBegin, IdxEnd, Values, NameStr, InsertBefore);
+ GetElementPtrInst(Ptr, IdxList, Values, NameStr, InsertBefore);
}
- template<typename InputIterator>
- static GetElementPtrInst *Create(Value *Ptr,
- InputIterator IdxBegin, InputIterator IdxEnd,
+ static GetElementPtrInst *Create(Value *Ptr, ArrayRef<Value *> IdxList,
const Twine &NameStr,
BasicBlock *InsertAtEnd) {
- typename std::iterator_traits<InputIterator>::difference_type Values =
- 1 + std::distance(IdxBegin, IdxEnd);
+ unsigned Values = 1 + unsigned(IdxList.size());
return new(Values)
- GetElementPtrInst(Ptr, IdxBegin, IdxEnd, Values, NameStr, InsertAtEnd);
- }
-
- /// Constructors - These two creators are convenience methods because one
- /// index getelementptr instructions are so common.
- static GetElementPtrInst *Create(Value *Ptr, Value *Idx,
- const Twine &NameStr = "",
- Instruction *InsertBefore = 0) {
- return new(2) GetElementPtrInst(Ptr, Idx, NameStr, InsertBefore);
- }
- static GetElementPtrInst *Create(Value *Ptr, Value *Idx,
- const Twine &NameStr,
- BasicBlock *InsertAtEnd) {
- return new(2) GetElementPtrInst(Ptr, Idx, NameStr, InsertAtEnd);
+ GetElementPtrInst(Ptr, IdxList, Values, NameStr, InsertAtEnd);
}
/// Create an "inbounds" getelementptr. See the documentation for the
/// "inbounds" flag in LangRef.html for details.
- template<typename InputIterator>
- static GetElementPtrInst *CreateInBounds(Value *Ptr, InputIterator IdxBegin,
- InputIterator IdxEnd,
- const Twine &NameStr = "",
- Instruction *InsertBefore = 0) {
- GetElementPtrInst *GEP = Create(Ptr, IdxBegin, IdxEnd,
- NameStr, InsertBefore);
- GEP->setIsInBounds(true);
- return GEP;
- }
- template<typename InputIterator>
static GetElementPtrInst *CreateInBounds(Value *Ptr,
- InputIterator IdxBegin,
- InputIterator IdxEnd,
- const Twine &NameStr,
- BasicBlock *InsertAtEnd) {
- GetElementPtrInst *GEP = Create(Ptr, IdxBegin, IdxEnd,
- NameStr, InsertAtEnd);
- GEP->setIsInBounds(true);
- return GEP;
- }
- static GetElementPtrInst *CreateInBounds(Value *Ptr, Value *Idx,
+ ArrayRef<Value *> IdxList,
const Twine &NameStr = "",
Instruction *InsertBefore = 0) {
- GetElementPtrInst *GEP = Create(Ptr, Idx, NameStr, InsertBefore);
+ GetElementPtrInst *GEP = Create(Ptr, IdxList, NameStr, InsertBefore);
GEP->setIsInBounds(true);
return GEP;
}
- static GetElementPtrInst *CreateInBounds(Value *Ptr, Value *Idx,
+ static GetElementPtrInst *CreateInBounds(Value *Ptr,
+ ArrayRef<Value *> IdxList,
const Twine &NameStr,
BasicBlock *InsertAtEnd) {
- GetElementPtrInst *GEP = Create(Ptr, Idx, NameStr, InsertAtEnd);
+ GetElementPtrInst *GEP = Create(Ptr, IdxList, NameStr, InsertAtEnd);
GEP->setIsInBounds(true);
return GEP;
}
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
// getType - Overload to return most specific pointer type...
- const PointerType *getType() const {
- return reinterpret_cast<const PointerType*>(Instruction::getType());
+ PointerType *getType() const {
+ return reinterpret_cast<PointerType*>(Instruction::getType());
}
/// getIndexedType - Returns the type of the element that would be loaded with
/// Null is returned if the indices are invalid for the specified
/// pointer type.
///
- template<typename InputIterator>
- static const Type *getIndexedType(const Type *Ptr,
- InputIterator IdxBegin,
- InputIterator IdxEnd) {
- return getIndexedType(Ptr, IdxBegin, IdxEnd,
- typename std::iterator_traits<InputIterator>::
- iterator_category());
- }
-
- static const Type *getIndexedType(const Type *Ptr,
- Value* const *Idx, unsigned NumIdx);
-
- static const Type *getIndexedType(const Type *Ptr,
- uint64_t const *Idx, unsigned NumIdx);
-
- static const Type *getIndexedType(const Type *Ptr, Value *Idx);
+ 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);
inline op_iterator idx_begin() { return op_begin()+1; }
inline const_op_iterator idx_begin() const { return op_begin()+1; }
static unsigned getPointerOperandIndex() {
return 0U; // get index for modifying correct operand
}
-
+
unsigned getPointerAddressSpace() const {
return cast<PointerType>(getType())->getAddressSpace();
}
/// getPointerOperandType - Method to return the pointer operand as a
/// PointerType.
- const PointerType *getPointerOperandType() const {
- return reinterpret_cast<const PointerType*>(getPointerOperand()->getType());
+ PointerType *getPointerOperandType() const {
+ return reinterpret_cast<PointerType*>(getPointerOperand()->getType());
}
};
template <>
-struct OperandTraits<GetElementPtrInst> : public VariadicOperandTraits<1> {
+struct OperandTraits<GetElementPtrInst> :
+ public VariadicOperandTraits<GetElementPtrInst, 1> {
};
-template<typename InputIterator>
GetElementPtrInst::GetElementPtrInst(Value *Ptr,
- InputIterator IdxBegin,
- InputIterator IdxEnd,
+ ArrayRef<Value *> IdxList,
unsigned Values,
const Twine &NameStr,
Instruction *InsertBefore)
- : Instruction(PointerType::get(checkType(
- getIndexedType(Ptr->getType(),
- IdxBegin, IdxEnd)),
+ : Instruction(PointerType::get(checkGEPType(
+ getIndexedType(Ptr->getType(), IdxList)),
cast<PointerType>(Ptr->getType())
->getAddressSpace()),
GetElementPtr,
OperandTraits<GetElementPtrInst>::op_end(this) - Values,
Values, InsertBefore) {
- init(Ptr, IdxBegin, IdxEnd, NameStr,
- typename std::iterator_traits<InputIterator>::iterator_category());
+ init(Ptr, IdxList, NameStr);
}
-template<typename InputIterator>
GetElementPtrInst::GetElementPtrInst(Value *Ptr,
- InputIterator IdxBegin,
- InputIterator IdxEnd,
+ ArrayRef<Value *> IdxList,
unsigned Values,
const Twine &NameStr,
BasicBlock *InsertAtEnd)
- : Instruction(PointerType::get(checkType(
- getIndexedType(Ptr->getType(),
- IdxBegin, IdxEnd)),
+ : Instruction(PointerType::get(checkGEPType(
+ getIndexedType(Ptr->getType(), IdxList)),
cast<PointerType>(Ptr->getType())
->getAddressSpace()),
GetElementPtr,
OperandTraits<GetElementPtrInst>::op_end(this) - Values,
Values, InsertAtEnd) {
- init(Ptr, IdxBegin, IdxEnd, NameStr,
- typename std::iterator_traits<InputIterator>::iterator_category());
+ init(Ptr, IdxList, NameStr);
}
/// @brief Represent an integer comparison operator.
class ICmpInst: public CmpInst {
protected:
- /// @brief Clone an indentical ICmpInst
- virtual ICmpInst *clone_impl() const;
+ /// @brief Clone an identical ICmpInst
+ virtual ICmpInst *clone_impl() const;
public:
/// @brief Constructor with insert-before-instruction semantics.
ICmpInst(
/// @brief Represents a floating point comparison operator.
class FCmpInst: public CmpInst {
protected:
- /// @brief Clone an indentical FCmpInst
+ /// @brief Clone an identical FCmpInst
virtual FCmpInst *clone_impl() const;
public:
/// @brief Constructor with insert-before-instruction semantics.
assert(getOperand(0)->getType()->isFPOrFPVectorTy() &&
"Invalid operand types for FCmp instruction");
}
-
+
/// @brief Constructor with insert-at-end semantics.
FCmpInst(
BasicBlock &InsertAtEnd, ///< Block to insert into.
class CallInst : public Instruction {
AttrListPtr AttributeList; ///< parameter attributes for call
CallInst(const CallInst &CI);
- void init(Value *Func, Value* const *Params, unsigned NumParams);
- void init(Value *Func, Value *Actual1, Value *Actual2);
- void init(Value *Func, Value *Actual);
- void init(Value *Func);
-
- template<typename InputIterator>
- void init(Value *Func, InputIterator ArgBegin, InputIterator ArgEnd,
- const Twine &NameStr,
- // This argument ensures that we have an iterator we can
- // do arithmetic on in constant time
- std::random_access_iterator_tag) {
- unsigned NumArgs = (unsigned)std::distance(ArgBegin, ArgEnd);
-
- // This requires that the iterator points to contiguous memory.
- init(Func, NumArgs ? &*ArgBegin : 0, NumArgs);
- setName(NameStr);
- }
+ void init(Value *Func, ArrayRef<Value *> Args, const Twine &NameStr);
+ void init(Value *Func, const Twine &NameStr);
- /// Construct a CallInst given a range of arguments. InputIterator
- /// must be a random-access iterator pointing to contiguous storage
- /// (e.g. a std::vector<>::iterator). Checks are made for
- /// random-accessness but not for contiguous storage as that would
- /// incur runtime overhead.
+ /// Construct a CallInst given a range of arguments.
/// @brief Construct a CallInst from a range of arguments
- template<typename InputIterator>
- CallInst(Value *Func, InputIterator ArgBegin, InputIterator ArgEnd,
- const Twine &NameStr, Instruction *InsertBefore);
-
- /// Construct a CallInst given a range of arguments. InputIterator
- /// must be a random-access iterator pointing to contiguous storage
- /// (e.g. a std::vector<>::iterator). Checks are made for
- /// random-accessness but not for contiguous storage as that would
- /// incur runtime overhead.
+ inline CallInst(Value *Func, ArrayRef<Value *> Args,
+ const Twine &NameStr, Instruction *InsertBefore);
+
+ /// Construct a CallInst given a range of arguments.
/// @brief Construct a CallInst from a range of arguments
- template<typename InputIterator>
- inline CallInst(Value *Func, InputIterator ArgBegin, InputIterator ArgEnd,
+ inline CallInst(Value *Func, ArrayRef<Value *> Args,
const Twine &NameStr, BasicBlock *InsertAtEnd);
CallInst(Value *F, Value *Actual, const Twine &NameStr,
protected:
virtual CallInst *clone_impl() const;
public:
- template<typename InputIterator>
static CallInst *Create(Value *Func,
- InputIterator ArgBegin, InputIterator ArgEnd,
+ ArrayRef<Value *> Args,
const Twine &NameStr = "",
Instruction *InsertBefore = 0) {
- return new(unsigned(ArgEnd - ArgBegin + 1))
- CallInst(Func, ArgBegin, ArgEnd, NameStr, InsertBefore);
+ return new(unsigned(Args.size() + 1))
+ CallInst(Func, Args, NameStr, InsertBefore);
}
- template<typename InputIterator>
static CallInst *Create(Value *Func,
- InputIterator ArgBegin, InputIterator ArgEnd,
+ ArrayRef<Value *> Args,
const Twine &NameStr, BasicBlock *InsertAtEnd) {
- return new(unsigned(ArgEnd - ArgBegin + 1))
- CallInst(Func, ArgBegin, ArgEnd, NameStr, InsertAtEnd);
- }
- static CallInst *Create(Value *F, Value *Actual,
- const Twine &NameStr = "",
- Instruction *InsertBefore = 0) {
- return new(2) CallInst(F, Actual, NameStr, InsertBefore);
- }
- static CallInst *Create(Value *F, Value *Actual, const Twine &NameStr,
- BasicBlock *InsertAtEnd) {
- return new(2) CallInst(F, Actual, NameStr, InsertAtEnd);
+ return new(unsigned(Args.size() + 1))
+ CallInst(Func, Args, NameStr, InsertAtEnd);
}
static CallInst *Create(Value *F, const Twine &NameStr = "",
Instruction *InsertBefore = 0) {
/// 2. Call malloc with that argument.
/// 3. Bitcast the result of the malloc call to the specified type.
static Instruction *CreateMalloc(Instruction *InsertBefore,
- const Type *IntPtrTy, const Type *AllocTy,
+ Type *IntPtrTy, Type *AllocTy,
Value *AllocSize, Value *ArraySize = 0,
Function* MallocF = 0,
const Twine &Name = "");
static Instruction *CreateMalloc(BasicBlock *InsertAtEnd,
- const Type *IntPtrTy, const Type *AllocTy,
+ Type *IntPtrTy, Type *AllocTy,
Value *AllocSize, Value *ArraySize = 0,
Function* MallocF = 0,
const Twine &Name = "");
unsigned getParamAlignment(unsigned i) const {
return AttributeList.getParamAlignment(i);
}
-
+
/// @brief Return true if the call should not be inlined.
bool isNoInline() const { return paramHasAttr(~0, Attribute::NoInline); }
void setIsNoInline(bool Value = true) {
else removeAttribute(~0, Attribute::NoInline);
}
+ /// @brief Return true if the call can return twice
+ bool canReturnTwice() const {
+ return paramHasAttr(~0, Attribute::ReturnsTwice);
+ }
+ void setCanReturnTwice(bool Value = true) {
+ if (Value) addAttribute(~0, Attribute::ReturnsTwice);
+ else removeAttribute(~0, Attribute::ReturnsTwice);
+ }
+
/// @brief Determine if the call does not access memory.
bool doesNotAccessMemory() const {
return paramHasAttr(~0, Attribute::ReadNone);
void setCalledFunction(Value* Fn) {
Op<-1>() = Fn;
}
-
+
/// isInlineAsm - Check if this call is an inline asm statement.
bool isInlineAsm() const {
return isa<InlineAsm>(Op<-1>());
};
template <>
-struct OperandTraits<CallInst> : public VariadicOperandTraits<1> {
+struct OperandTraits<CallInst> : public VariadicOperandTraits<CallInst, 1> {
};
-template<typename InputIterator>
-CallInst::CallInst(Value *Func, InputIterator ArgBegin, InputIterator ArgEnd,
+CallInst::CallInst(Value *Func, ArrayRef<Value *> Args,
const Twine &NameStr, BasicBlock *InsertAtEnd)
: Instruction(cast<FunctionType>(cast<PointerType>(Func->getType())
->getElementType())->getReturnType(),
Instruction::Call,
- OperandTraits<CallInst>::op_end(this) - (ArgEnd - ArgBegin + 1),
- unsigned(ArgEnd - ArgBegin + 1), InsertAtEnd) {
- init(Func, ArgBegin, ArgEnd, NameStr,
- typename std::iterator_traits<InputIterator>::iterator_category());
+ OperandTraits<CallInst>::op_end(this) - (Args.size() + 1),
+ unsigned(Args.size() + 1), InsertAtEnd) {
+ init(Func, Args, NameStr);
}
-template<typename InputIterator>
-CallInst::CallInst(Value *Func, InputIterator ArgBegin, InputIterator ArgEnd,
+CallInst::CallInst(Value *Func, ArrayRef<Value *> Args,
const Twine &NameStr, Instruction *InsertBefore)
: Instruction(cast<FunctionType>(cast<PointerType>(Func->getType())
->getElementType())->getReturnType(),
Instruction::Call,
- OperandTraits<CallInst>::op_end(this) - (ArgEnd - ArgBegin + 1),
- unsigned(ArgEnd - ArgBegin + 1), InsertBefore) {
- init(Func, ArgBegin, ArgEnd, NameStr,
- typename std::iterator_traits<InputIterator>::iterator_category());
+ OperandTraits<CallInst>::op_end(this) - (Args.size() + 1),
+ unsigned(Args.size() + 1), InsertBefore) {
+ init(Func, Args, NameStr);
}
Value *getCondition() { return Op<0>(); }
Value *getTrueValue() { return Op<1>(); }
Value *getFalseValue() { return Op<2>(); }
-
+
/// areInvalidOperands - Return a string if the specified operands are invalid
/// for a select operation, otherwise return null.
static const char *areInvalidOperands(Value *Cond, Value *True, Value *False);
};
template <>
-struct OperandTraits<SelectInst> : public FixedNumOperandTraits<3> {
+struct OperandTraits<SelectInst> : public FixedNumOperandTraits<SelectInst, 3> {
};
DEFINE_TRANSPARENT_OPERAND_ACCESSORS(SelectInst, Value)
virtual VAArgInst *clone_impl() const;
public:
- VAArgInst(Value *List, const Type *Ty, const Twine &NameStr = "",
+ VAArgInst(Value *List, Type *Ty, const Twine &NameStr = "",
Instruction *InsertBefore = 0)
: UnaryInstruction(Ty, VAArg, List, InsertBefore) {
setName(NameStr);
}
- VAArgInst(Value *List, const Type *Ty, const Twine &NameStr,
+ VAArgInst(Value *List, Type *Ty, const Twine &NameStr,
BasicBlock *InsertAtEnd)
: UnaryInstruction(Ty, VAArg, List, InsertAtEnd) {
setName(NameStr);
}
+ Value *getPointerOperand() { return getOperand(0); }
+ const Value *getPointerOperand() const { return getOperand(0); }
+ static unsigned getPointerOperandIndex() { return 0U; }
+
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const VAArgInst *) { return true; }
static inline bool classof(const Instruction *I) {
Value *getIndexOperand() { return Op<1>(); }
const Value *getVectorOperand() const { return Op<0>(); }
const Value *getIndexOperand() const { return Op<1>(); }
-
- const VectorType *getVectorOperandType() const {
- return reinterpret_cast<const VectorType*>(getVectorOperand()->getType());
+
+ VectorType *getVectorOperandType() const {
+ return reinterpret_cast<VectorType*>(getVectorOperand()->getType());
}
-
-
+
+
/// Transparently provide more efficient getOperand methods.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
};
template <>
-struct OperandTraits<ExtractElementInst> : public FixedNumOperandTraits<2> {
+struct OperandTraits<ExtractElementInst> :
+ public FixedNumOperandTraits<ExtractElementInst, 2> {
};
DEFINE_TRANSPARENT_OPERAND_ACCESSORS(ExtractElementInst, Value)
/// getType - Overload to return most specific vector type.
///
- const VectorType *getType() const {
- return reinterpret_cast<const VectorType*>(Instruction::getType());
+ VectorType *getType() const {
+ return reinterpret_cast<VectorType*>(Instruction::getType());
}
/// Transparently provide more efficient getOperand methods.
};
template <>
-struct OperandTraits<InsertElementInst> : public FixedNumOperandTraits<3> {
+struct OperandTraits<InsertElementInst> :
+ public FixedNumOperandTraits<InsertElementInst, 3> {
};
DEFINE_TRANSPARENT_OPERAND_ACCESSORS(InsertElementInst, Value)
/// getType - Overload to return most specific vector type.
///
- const VectorType *getType() const {
- return reinterpret_cast<const VectorType*>(Instruction::getType());
+ VectorType *getType() const {
+ return reinterpret_cast<VectorType*>(Instruction::getType());
}
/// Transparently provide more efficient getOperand methods.
};
template <>
-struct OperandTraits<ShuffleVectorInst> : public FixedNumOperandTraits<3> {
+struct OperandTraits<ShuffleVectorInst> :
+ public FixedNumOperandTraits<ShuffleVectorInst, 3> {
};
DEFINE_TRANSPARENT_OPERAND_ACCESSORS(ShuffleVectorInst, Value)
SmallVector<unsigned, 4> Indices;
ExtractValueInst(const ExtractValueInst &EVI);
- void init(const unsigned *Idx, unsigned NumIdx,
- const Twine &NameStr);
- void init(unsigned Idx, const Twine &NameStr);
-
- template<typename InputIterator>
- void init(InputIterator IdxBegin, InputIterator IdxEnd,
- const Twine &NameStr,
- // This argument ensures that we have an iterator we can
- // do arithmetic on in constant time
- std::random_access_iterator_tag) {
- unsigned NumIdx = static_cast<unsigned>(std::distance(IdxBegin, IdxEnd));
-
- // There's no fundamental reason why we require at least one index
- // (other than weirdness with &*IdxBegin being invalid; see
- // getelementptr's init routine for example). But there's no
- // present need to support it.
- assert(NumIdx > 0 && "ExtractValueInst must have at least one index");
-
- // This requires that the iterator points to contiguous memory.
- init(&*IdxBegin, NumIdx, NameStr); // FIXME: for the general case
- // we have to build an array here
- }
-
- /// getIndexedType - Returns the type of the element that would be extracted
- /// with an extractvalue instruction with the specified parameters.
- ///
- /// Null is returned if the indices are invalid for the specified
- /// pointer type.
- ///
- static const Type *getIndexedType(const Type *Agg,
- const unsigned *Idx, unsigned NumIdx);
-
- template<typename InputIterator>
- static const Type *getIndexedType(const Type *Ptr,
- InputIterator IdxBegin,
- InputIterator IdxEnd,
- // This argument ensures that we
- // have an iterator we can do
- // arithmetic on in constant time
- std::random_access_iterator_tag) {
- unsigned NumIdx = static_cast<unsigned>(std::distance(IdxBegin, IdxEnd));
-
- if (NumIdx > 0)
- // This requires that the iterator points to contiguous memory.
- return getIndexedType(Ptr, &*IdxBegin, NumIdx);
- else
- return getIndexedType(Ptr, (const unsigned *)0, NumIdx);
- }
+ void init(ArrayRef<unsigned> Idxs, const Twine &NameStr);
/// Constructors - Create a extractvalue instruction with a base aggregate
/// value and a list of indices. The first ctor can optionally insert before
/// an existing instruction, the second appends the new instruction to the
/// specified BasicBlock.
- template<typename InputIterator>
- inline ExtractValueInst(Value *Agg, InputIterator IdxBegin,
- InputIterator IdxEnd,
+ inline ExtractValueInst(Value *Agg,
+ ArrayRef<unsigned> Idxs,
const Twine &NameStr,
Instruction *InsertBefore);
- template<typename InputIterator>
inline ExtractValueInst(Value *Agg,
- InputIterator IdxBegin, InputIterator IdxEnd,
+ ArrayRef<unsigned> Idxs,
const Twine &NameStr, BasicBlock *InsertAtEnd);
// allocate space for exactly one operand
virtual ExtractValueInst *clone_impl() const;
public:
- template<typename InputIterator>
- static ExtractValueInst *Create(Value *Agg, InputIterator IdxBegin,
- InputIterator IdxEnd,
+ static ExtractValueInst *Create(Value *Agg,
+ ArrayRef<unsigned> Idxs,
const Twine &NameStr = "",
Instruction *InsertBefore = 0) {
return new
- ExtractValueInst(Agg, IdxBegin, IdxEnd, NameStr, InsertBefore);
+ ExtractValueInst(Agg, Idxs, NameStr, InsertBefore);
}
- template<typename InputIterator>
static ExtractValueInst *Create(Value *Agg,
- InputIterator IdxBegin, InputIterator IdxEnd,
- const Twine &NameStr,
- BasicBlock *InsertAtEnd) {
- return new ExtractValueInst(Agg, IdxBegin, IdxEnd, NameStr, InsertAtEnd);
- }
-
- /// Constructors - These two creators are convenience methods because one
- /// index extractvalue instructions are much more common than those with
- /// more than one.
- static ExtractValueInst *Create(Value *Agg, unsigned Idx,
- const Twine &NameStr = "",
- Instruction *InsertBefore = 0) {
- unsigned Idxs[1] = { Idx };
- return new ExtractValueInst(Agg, Idxs, Idxs + 1, NameStr, InsertBefore);
- }
- static ExtractValueInst *Create(Value *Agg, unsigned Idx,
+ ArrayRef<unsigned> Idxs,
const Twine &NameStr,
BasicBlock *InsertAtEnd) {
- unsigned Idxs[1] = { Idx };
- return new ExtractValueInst(Agg, Idxs, Idxs + 1, NameStr, InsertAtEnd);
+ return new ExtractValueInst(Agg, Idxs, NameStr, InsertAtEnd);
}
/// getIndexedType - Returns the type of the element that would be extracted
/// with an extractvalue instruction with the specified parameters.
///
- /// Null is returned if the indices are invalid for the specified
- /// pointer type.
- ///
- template<typename InputIterator>
- static const Type *getIndexedType(const Type *Ptr,
- InputIterator IdxBegin,
- InputIterator IdxEnd) {
- return getIndexedType(Ptr, IdxBegin, IdxEnd,
- typename std::iterator_traits<InputIterator>::
- iterator_category());
- }
- static const Type *getIndexedType(const Type *Ptr, unsigned Idx);
+ /// Null is returned if the indices are invalid for the specified type.
+ static Type *getIndexedType(Type *Agg, ArrayRef<unsigned> Idxs);
typedef const unsigned* idx_iterator;
inline idx_iterator idx_begin() const { return Indices.begin(); }
return 0U; // get index for modifying correct operand
}
- unsigned getNumIndices() const { // Note: always non-negative
+ ArrayRef<unsigned> getIndices() const {
+ return Indices;
+ }
+
+ unsigned getNumIndices() const {
return (unsigned)Indices.size();
}
}
};
-template<typename InputIterator>
ExtractValueInst::ExtractValueInst(Value *Agg,
- InputIterator IdxBegin,
- InputIterator IdxEnd,
+ ArrayRef<unsigned> Idxs,
const Twine &NameStr,
Instruction *InsertBefore)
- : UnaryInstruction(checkType(getIndexedType(Agg->getType(),
- IdxBegin, IdxEnd)),
+ : UnaryInstruction(checkGEPType(getIndexedType(Agg->getType(), Idxs)),
ExtractValue, Agg, InsertBefore) {
- init(IdxBegin, IdxEnd, NameStr,
- typename std::iterator_traits<InputIterator>::iterator_category());
+ init(Idxs, NameStr);
}
-template<typename InputIterator>
ExtractValueInst::ExtractValueInst(Value *Agg,
- InputIterator IdxBegin,
- InputIterator IdxEnd,
+ ArrayRef<unsigned> Idxs,
const Twine &NameStr,
BasicBlock *InsertAtEnd)
- : UnaryInstruction(checkType(getIndexedType(Agg->getType(),
- IdxBegin, IdxEnd)),
+ : UnaryInstruction(checkGEPType(getIndexedType(Agg->getType(), Idxs)),
ExtractValue, Agg, InsertAtEnd) {
- init(IdxBegin, IdxEnd, NameStr,
- typename std::iterator_traits<InputIterator>::iterator_category());
+ init(Idxs, NameStr);
}
void *operator new(size_t, unsigned); // Do not implement
InsertValueInst(const InsertValueInst &IVI);
- void init(Value *Agg, Value *Val, const unsigned *Idx, unsigned NumIdx,
+ void init(Value *Agg, Value *Val, ArrayRef<unsigned> Idxs,
const Twine &NameStr);
- void init(Value *Agg, Value *Val, unsigned Idx, const Twine &NameStr);
-
- template<typename InputIterator>
- void init(Value *Agg, Value *Val,
- InputIterator IdxBegin, InputIterator IdxEnd,
- const Twine &NameStr,
- // This argument ensures that we have an iterator we can
- // do arithmetic on in constant time
- std::random_access_iterator_tag) {
- unsigned NumIdx = static_cast<unsigned>(std::distance(IdxBegin, IdxEnd));
-
- // There's no fundamental reason why we require at least one index
- // (other than weirdness with &*IdxBegin being invalid; see
- // getelementptr's init routine for example). But there's no
- // present need to support it.
- assert(NumIdx > 0 && "InsertValueInst must have at least one index");
-
- // This requires that the iterator points to contiguous memory.
- init(Agg, Val, &*IdxBegin, NumIdx, NameStr); // FIXME: for the general case
- // we have to build an array here
- }
/// Constructors - Create a insertvalue instruction with a base aggregate
/// value, a value to insert, and a list of indices. The first ctor can
/// optionally insert before an existing instruction, the second appends
/// the new instruction to the specified BasicBlock.
- template<typename InputIterator>
- inline InsertValueInst(Value *Agg, Value *Val, InputIterator IdxBegin,
- InputIterator IdxEnd,
+ inline InsertValueInst(Value *Agg, Value *Val,
+ ArrayRef<unsigned> Idxs,
const Twine &NameStr,
Instruction *InsertBefore);
- template<typename InputIterator>
inline InsertValueInst(Value *Agg, Value *Val,
- InputIterator IdxBegin, InputIterator IdxEnd,
+ ArrayRef<unsigned> Idxs,
const Twine &NameStr, BasicBlock *InsertAtEnd);
/// Constructors - These two constructors are convenience methods because one
return User::operator new(s, 2);
}
- template<typename InputIterator>
- static InsertValueInst *Create(Value *Agg, Value *Val, InputIterator IdxBegin,
- InputIterator IdxEnd,
- const Twine &NameStr = "",
- Instruction *InsertBefore = 0) {
- return new InsertValueInst(Agg, Val, IdxBegin, IdxEnd,
- NameStr, InsertBefore);
- }
- template<typename InputIterator>
static InsertValueInst *Create(Value *Agg, Value *Val,
- InputIterator IdxBegin, InputIterator IdxEnd,
- const Twine &NameStr,
- BasicBlock *InsertAtEnd) {
- return new InsertValueInst(Agg, Val, IdxBegin, IdxEnd,
- NameStr, InsertAtEnd);
- }
-
- /// Constructors - These two creators are convenience methods because one
- /// index insertvalue instructions are much more common than those with
- /// more than one.
- static InsertValueInst *Create(Value *Agg, Value *Val, unsigned Idx,
+ ArrayRef<unsigned> Idxs,
const Twine &NameStr = "",
Instruction *InsertBefore = 0) {
- return new InsertValueInst(Agg, Val, Idx, NameStr, InsertBefore);
+ return new InsertValueInst(Agg, Val, Idxs, NameStr, InsertBefore);
}
- static InsertValueInst *Create(Value *Agg, Value *Val, unsigned Idx,
+ static InsertValueInst *Create(Value *Agg, Value *Val,
+ ArrayRef<unsigned> Idxs,
const Twine &NameStr,
BasicBlock *InsertAtEnd) {
- return new InsertValueInst(Agg, Val, Idx, NameStr, InsertAtEnd);
+ return new InsertValueInst(Agg, Val, Idxs, NameStr, InsertAtEnd);
}
/// Transparently provide more efficient getOperand methods.
return 1U; // get index for modifying correct operand
}
- unsigned getNumIndices() const { // Note: always non-negative
+ ArrayRef<unsigned> getIndices() const {
+ return Indices;
+ }
+
+ unsigned getNumIndices() const {
return (unsigned)Indices.size();
}
};
template <>
-struct OperandTraits<InsertValueInst> : public FixedNumOperandTraits<2> {
+struct OperandTraits<InsertValueInst> :
+ public FixedNumOperandTraits<InsertValueInst, 2> {
};
-template<typename InputIterator>
InsertValueInst::InsertValueInst(Value *Agg,
Value *Val,
- InputIterator IdxBegin,
- InputIterator IdxEnd,
+ ArrayRef<unsigned> Idxs,
const Twine &NameStr,
Instruction *InsertBefore)
: Instruction(Agg->getType(), InsertValue,
OperandTraits<InsertValueInst>::op_begin(this),
2, InsertBefore) {
- init(Agg, Val, IdxBegin, IdxEnd, NameStr,
- typename std::iterator_traits<InputIterator>::iterator_category());
+ init(Agg, Val, Idxs, NameStr);
}
-template<typename InputIterator>
InsertValueInst::InsertValueInst(Value *Agg,
Value *Val,
- InputIterator IdxBegin,
- InputIterator IdxEnd,
+ ArrayRef<unsigned> Idxs,
const Twine &NameStr,
BasicBlock *InsertAtEnd)
: Instruction(Agg->getType(), InsertValue,
OperandTraits<InsertValueInst>::op_begin(this),
2, InsertAtEnd) {
- init(Agg, Val, IdxBegin, IdxEnd, NameStr,
- typename std::iterator_traits<InputIterator>::iterator_category());
+ init(Agg, Val, Idxs, NameStr);
}
DEFINE_TRANSPARENT_OPERAND_ACCESSORS(InsertValueInst, Value)
void *operator new(size_t s) {
return User::operator new(s, 0);
}
- explicit PHINode(const Type *Ty, const Twine &NameStr = "",
- Instruction *InsertBefore = 0)
+ explicit PHINode(Type *Ty, unsigned NumReservedValues,
+ const Twine &NameStr = "", Instruction *InsertBefore = 0)
: Instruction(Ty, Instruction::PHI, 0, 0, InsertBefore),
- ReservedSpace(0) {
+ ReservedSpace(NumReservedValues) {
setName(NameStr);
+ OperandList = allocHungoffUses(ReservedSpace);
}
- PHINode(const Type *Ty, const Twine &NameStr, BasicBlock *InsertAtEnd)
+ PHINode(Type *Ty, unsigned NumReservedValues, const Twine &NameStr,
+ BasicBlock *InsertAtEnd)
: Instruction(Ty, Instruction::PHI, 0, 0, InsertAtEnd),
- ReservedSpace(0) {
+ ReservedSpace(NumReservedValues) {
setName(NameStr);
+ OperandList = allocHungoffUses(ReservedSpace);
}
protected:
+ // allocHungoffUses - this is more complicated than the generic
+ // User::allocHungoffUses, because we have to allocate Uses for the incoming
+ // values and pointers to the incoming blocks, all in one allocation.
+ Use *allocHungoffUses(unsigned) const;
+
virtual PHINode *clone_impl() const;
public:
- static PHINode *Create(const Type *Ty, const Twine &NameStr = "",
+ /// 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) {
- return new PHINode(Ty, NameStr, InsertBefore);
+ return new PHINode(Ty, NumReservedValues, NameStr, InsertBefore);
}
- static PHINode *Create(const Type *Ty, const Twine &NameStr,
- BasicBlock *InsertAtEnd) {
- return new PHINode(Ty, NameStr, InsertAtEnd);
+ static PHINode *Create(Type *Ty, unsigned NumReservedValues,
+ const Twine &NameStr, BasicBlock *InsertAtEnd) {
+ return new PHINode(Ty, NumReservedValues, NameStr, InsertAtEnd);
}
~PHINode();
- /// reserveOperandSpace - This method can be used to avoid repeated
- /// reallocation of PHI operand lists by reserving space for the correct
- /// number of operands before adding them. Unlike normal vector reserves,
- /// this method can also be used to trim the operand space.
- void reserveOperandSpace(unsigned NumValues) {
- resizeOperands(NumValues*2);
- }
-
/// Provide fast operand accessors
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
+ // Block iterator interface. This provides access to the list of incoming
+ // basic blocks, which parallels the list of incoming values.
+
+ typedef BasicBlock **block_iterator;
+ typedef BasicBlock * const *const_block_iterator;
+
+ block_iterator block_begin() {
+ Use::UserRef *ref =
+ reinterpret_cast<Use::UserRef*>(op_begin() + ReservedSpace);
+ return reinterpret_cast<block_iterator>(ref + 1);
+ }
+
+ const_block_iterator block_begin() const {
+ const Use::UserRef *ref =
+ reinterpret_cast<const Use::UserRef*>(op_begin() + ReservedSpace);
+ return reinterpret_cast<const_block_iterator>(ref + 1);
+ }
+
+ block_iterator block_end() {
+ return block_begin() + getNumOperands();
+ }
+
+ const_block_iterator block_end() const {
+ return block_begin() + getNumOperands();
+ }
+
/// getNumIncomingValues - Return the number of incoming edges
///
- unsigned getNumIncomingValues() const { return getNumOperands()/2; }
+ unsigned getNumIncomingValues() const { return getNumOperands(); }
/// getIncomingValue - Return incoming value number x
///
Value *getIncomingValue(unsigned i) const {
- assert(i*2 < getNumOperands() && "Invalid value number!");
- return getOperand(i*2);
+ return getOperand(i);
}
void setIncomingValue(unsigned i, Value *V) {
- assert(i*2 < getNumOperands() && "Invalid value number!");
- setOperand(i*2, V);
+ setOperand(i, V);
}
static unsigned getOperandNumForIncomingValue(unsigned i) {
- return i*2;
+ return i;
}
static unsigned getIncomingValueNumForOperand(unsigned i) {
- assert(i % 2 == 0 && "Invalid incoming-value operand index!");
- return i/2;
+ return i;
}
/// getIncomingBlock - Return incoming basic block number @p i.
///
BasicBlock *getIncomingBlock(unsigned i) const {
- return cast<BasicBlock>(getOperand(i*2+1));
+ return block_begin()[i];
}
-
+
/// getIncomingBlock - Return incoming basic block corresponding
/// to an operand of the PHI.
///
BasicBlock *getIncomingBlock(const Use &U) const {
assert(this == U.getUser() && "Iterator doesn't point to PHI's Uses?");
- return cast<BasicBlock>((&U + 1)->get());
+ return getIncomingBlock(unsigned(&U - op_begin()));
}
-
+
/// getIncomingBlock - Return incoming basic block corresponding
/// to value use iterator.
///
BasicBlock *getIncomingBlock(value_use_iterator<U> I) const {
return getIncomingBlock(I.getUse());
}
-
-
+
void setIncomingBlock(unsigned i, BasicBlock *BB) {
- setOperand(i*2+1, (Value*)BB);
- }
- static unsigned getOperandNumForIncomingBlock(unsigned i) {
- return i*2+1;
- }
- static unsigned getIncomingBlockNumForOperand(unsigned i) {
- assert(i % 2 == 1 && "Invalid incoming-block operand index!");
- return i/2;
+ block_begin()[i] = BB;
}
/// addIncoming - Add an incoming value to the end of the PHI list
assert(BB && "PHI node got a null basic block!");
assert(getType() == V->getType() &&
"All operands to PHI node must be the same type as the PHI node!");
- unsigned OpNo = NumOperands;
- if (OpNo+2 > ReservedSpace)
- resizeOperands(0); // Get more space!
+ if (NumOperands == ReservedSpace)
+ growOperands(); // Get more space!
// Initialize some new operands.
- NumOperands = OpNo+2;
- OperandList[OpNo] = V;
- OperandList[OpNo+1] = (Value*)BB;
+ ++NumOperands;
+ setIncomingValue(NumOperands - 1, V);
+ setIncomingBlock(NumOperands - 1, BB);
}
/// removeIncomingValue - Remove an incoming value. This is useful if a
/// block in the value list for this PHI. Returns -1 if no instance.
///
int getBasicBlockIndex(const BasicBlock *BB) const {
- Use *OL = OperandList;
- for (unsigned i = 0, e = getNumOperands(); i != e; i += 2)
- if (OL[i+1].get() == (const Value*)BB) return i/2;
+ for (unsigned i = 0, e = getNumOperands(); i != e; ++i)
+ if (block_begin()[i] == BB)
+ return i;
return -1;
}
Value *getIncomingValueForBlock(const BasicBlock *BB) const {
- return getIncomingValue(getBasicBlockIndex(BB));
+ int Idx = getBasicBlockIndex(BB);
+ assert(Idx >= 0 && "Invalid basic block argument!");
+ return getIncomingValue(Idx);
}
/// hasConstantValue - If the specified PHI node always merges together the
/// same value, return the value, otherwise return null.
- ///
- /// If the PHI has undef operands, but all the rest of the operands are
- /// some unique value, return that value if it can be proved that the
- /// value dominates the PHI. If DT is null, use a conservative check,
- /// otherwise use DT to test for dominance.
- ///
- Value *hasConstantValue(DominatorTree *DT = 0) const;
+ Value *hasConstantValue() const;
/// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const PHINode *) { return true; }
return isa<Instruction>(V) && classof(cast<Instruction>(V));
}
private:
- void resizeOperands(unsigned NumOperands);
+ void growOperands();
};
template <>
DEFINE_TRANSPARENT_OPERAND_ACCESSORS(PHINode, Value)
+//===----------------------------------------------------------------------===//
+// LandingPadInst Class
+//===----------------------------------------------------------------------===//
+
+//===---------------------------------------------------------------------------
+/// LandingPadInst - The landingpad instruction holds all of the information
+/// necessary to generate correct exception handling. The landingpad instruction
+/// cannot be moved from the top of a landing pad block, which itself is
+/// accessible only from the 'unwind' edge of an invoke. This uses the
+/// SubclassData field in Value to store whether or not the landingpad is a
+/// cleanup.
+///
+class LandingPadInst : public Instruction {
+ /// ReservedSpace - The number of operands actually allocated. NumOperands is
+ /// the number actually in use.
+ unsigned ReservedSpace;
+ LandingPadInst(const LandingPadInst &LP);
+public:
+ enum ClauseType { Catch, Filter };
+private:
+ void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
+ // Allocate space for exactly zero operands.
+ void *operator new(size_t s) {
+ return User::operator new(s, 0);
+ }
+ void growOperands(unsigned Size);
+ void init(Value *PersFn, unsigned NumReservedValues, const Twine &NameStr);
+
+ explicit LandingPadInst(Type *RetTy, Value *PersonalityFn,
+ unsigned NumReservedValues, const Twine &NameStr,
+ Instruction *InsertBefore);
+ explicit LandingPadInst(Type *RetTy, Value *PersonalityFn,
+ unsigned NumReservedValues, const Twine &NameStr,
+ BasicBlock *InsertAtEnd);
+protected:
+ virtual LandingPadInst *clone_impl() const;
+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);
+ static LandingPadInst *Create(Type *RetTy, Value *PersonalityFn,
+ unsigned NumReservedClauses,
+ const Twine &NameStr, BasicBlock *InsertAtEnd);
+ ~LandingPadInst();
+
+ /// Provide fast operand accessors
+ DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
+
+ /// getPersonalityFn - Get the personality function associated with this
+ /// landing pad.
+ Value *getPersonalityFn() const { return getOperand(0); }
+
+ /// isCleanup - Return 'true' if this landingpad instruction is a
+ /// cleanup. I.e., it should be run when unwinding even if its landing pad
+ /// doesn't catch the exception.
+ bool isCleanup() const { return getSubclassDataFromInstruction() & 1; }
+
+ /// setCleanup - Indicate that this landingpad instruction is a cleanup.
+ void setCleanup(bool V) {
+ setInstructionSubclassData((getSubclassDataFromInstruction() & ~1) |
+ (V ? 1 : 0));
+ }
+
+ /// addClause - Add a catch or filter clause to the landing pad.
+ void addClause(Value *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]; }
+
+ /// isCatch - Return 'true' if the clause and index Idx is a catch clause.
+ bool isCatch(unsigned Idx) const {
+ return !isa<ArrayType>(OperandList[Idx + 1]->getType());
+ }
+
+ /// isFilter - Return 'true' if the clause and index Idx is a filter clause.
+ bool isFilter(unsigned Idx) const {
+ return isa<ArrayType>(OperandList[Idx + 1]->getType());
+ }
+
+ /// getNumClauses - Get the number of clauses for this landing pad.
+ unsigned getNumClauses() const { return getNumOperands() - 1; }
+
+ /// reserveClauses - Grow the size of the operand list to accomodate the new
+ /// number of clauses.
+ void reserveClauses(unsigned Size) { growOperands(Size); }
+
+ // Methods for support type inquiry through isa, cast, and dyn_cast:
+ static inline bool classof(const LandingPadInst *) { return true; }
+ static inline bool classof(const Instruction *I) {
+ return I->getOpcode() == Instruction::LandingPad;
+ }
+ static inline bool classof(const Value *V) {
+ return isa<Instruction>(V) && classof(cast<Instruction>(V));
+ }
+};
+
+template <>
+struct OperandTraits<LandingPadInst> : public HungoffOperandTraits<2> {
+};
+
+DEFINE_TRANSPARENT_OPERAND_ACCESSORS(LandingPadInst, Value)
//===----------------------------------------------------------------------===//
// ReturnInst Class
/// Provide fast operand accessors
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
- /// Convenience accessor
- Value *getReturnValue(unsigned n = 0) const {
- return n < getNumOperands()
- ? getOperand(n)
- : 0;
+ /// Convenience accessor. Returns null if there is no return value.
+ Value *getReturnValue() const {
+ return getNumOperands() != 0 ? getOperand(0) : 0;
}
unsigned getNumSuccessors() const { return 0; }
};
template <>
-struct OperandTraits<ReturnInst> : public VariadicOperandTraits<> {
+struct OperandTraits<ReturnInst> : public VariadicOperandTraits<ReturnInst> {
};
DEFINE_TRANSPARENT_OPERAND_ACCESSORS(ReturnInst, Value)
virtual BranchInst *clone_impl() const;
public:
static BranchInst *Create(BasicBlock *IfTrue, Instruction *InsertBefore = 0) {
- return new(1, true) BranchInst(IfTrue, InsertBefore);
+ return new(1) BranchInst(IfTrue, InsertBefore);
}
static BranchInst *Create(BasicBlock *IfTrue, BasicBlock *IfFalse,
Value *Cond, Instruction *InsertBefore = 0) {
return new(3) BranchInst(IfTrue, IfFalse, Cond, InsertBefore);
}
static BranchInst *Create(BasicBlock *IfTrue, BasicBlock *InsertAtEnd) {
- return new(1, true) BranchInst(IfTrue, InsertAtEnd);
+ return new(1) BranchInst(IfTrue, InsertAtEnd);
}
static BranchInst *Create(BasicBlock *IfTrue, BasicBlock *IfFalse,
Value *Cond, BasicBlock *InsertAtEnd) {
return new(3) BranchInst(IfTrue, IfFalse, Cond, InsertAtEnd);
}
- ~BranchInst();
-
/// Transparently provide more efficient getOperand methods.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
Op<-3>() = V;
}
- // setUnconditionalDest - Change the current branch to an unconditional branch
- // targeting the specified block.
- // FIXME: Eliminate this ugly method.
- void setUnconditionalDest(BasicBlock *Dest) {
- Op<-1>() = (Value*)Dest;
- if (isConditional()) { // Convert this to an uncond branch.
- Op<-2>() = 0;
- Op<-3>() = 0;
- NumOperands = 1;
- OperandList = op_begin();
- }
- }
-
unsigned getNumSuccessors() const { return 1+isConditional(); }
BasicBlock *getSuccessor(unsigned i) const {
};
template <>
-struct OperandTraits<BranchInst> : public VariadicOperandTraits<1> {};
+struct OperandTraits<BranchInst> : public VariadicOperandTraits<BranchInst, 1> {
+};
DEFINE_TRANSPARENT_OPERAND_ACCESSORS(BranchInst, Value)
// Operand[2n ] = Value to match
// Operand[2n+1] = BasicBlock to go to on match
SwitchInst(const SwitchInst &SI);
- void init(Value *Value, BasicBlock *Default, unsigned NumCases);
- void resizeOperands(unsigned No);
+ void init(Value *Value, BasicBlock *Default, unsigned NumReserved);
+ void growOperands();
// allocate space for exactly zero operands
void *operator new(size_t s) {
return User::operator new(s, 0);
/// removeCase - This method removes the specified successor from the switch
/// instruction. Note that this cannot be used to remove the default
- /// destination (successor #0).
+ /// destination (successor #0). Also note that this operation may reorder the
+ /// remaining cases at index idx and above.
///
void removeCase(unsigned idx);
return reinterpret_cast<ConstantInt*>(getOperand(idx*2));
}
+ // setSuccessorValue - Updates the value associated with the specified
+ // successor.
+ void setSuccessorValue(unsigned idx, ConstantInt* SuccessorValue) {
+ assert(idx < getNumSuccessors() && "Successor # out of range!");
+ setOperand(idx*2, reinterpret_cast<Value*>(SuccessorValue));
+ }
+
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const SwitchInst *) { return true; }
static inline bool classof(const Instruction *I) {
// Operand[2n+1] = BasicBlock to go to on match
IndirectBrInst(const IndirectBrInst &IBI);
void init(Value *Address, unsigned NumDests);
- void resizeOperands(unsigned No);
+ void growOperands();
// allocate space for exactly zero operands
void *operator new(size_t s) {
return User::operator new(s, 0);
/// here to make memory allocation more efficient. This constructor can also
/// autoinsert before another instruction.
IndirectBrInst(Value *Address, unsigned NumDests, Instruction *InsertBefore);
-
+
/// IndirectBrInst ctor - Create a new indirectbr instruction, specifying an
/// Address to jump to. The number of expected destinations can be specified
/// here to make memory allocation more efficient. This constructor also
return new IndirectBrInst(Address, NumDests, InsertAtEnd);
}
~IndirectBrInst();
-
+
/// Provide fast operand accessors.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
-
+
// Accessor Methods for IndirectBrInst instruction.
Value *getAddress() { return getOperand(0); }
const Value *getAddress() const { return getOperand(0); }
void setAddress(Value *V) { setOperand(0, V); }
-
-
+
+
/// getNumDestinations - return the number of possible destinations in this
/// indirectbr instruction.
unsigned getNumDestinations() const { return getNumOperands()-1; }
-
+
/// getDestination - Return the specified destination.
BasicBlock *getDestination(unsigned i) { return getSuccessor(i); }
const BasicBlock *getDestination(unsigned i) const { return getSuccessor(i); }
-
+
/// addDestination - Add a destination.
///
void addDestination(BasicBlock *Dest);
-
+
/// removeDestination - This method removes the specified successor from the
/// indirectbr instruction.
void removeDestination(unsigned i);
-
+
unsigned getNumSuccessors() const { return getNumOperands()-1; }
BasicBlock *getSuccessor(unsigned i) const {
return cast<BasicBlock>(getOperand(i+1));
void setSuccessor(unsigned i, BasicBlock *NewSucc) {
setOperand(i+1, (Value*)NewSucc);
}
-
+
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const IndirectBrInst *) { return true; }
static inline bool classof(const Instruction *I) {
};
DEFINE_TRANSPARENT_OPERAND_ACCESSORS(IndirectBrInst, Value)
-
-
+
+
//===----------------------------------------------------------------------===//
// InvokeInst Class
//===----------------------------------------------------------------------===//
class InvokeInst : public TerminatorInst {
AttrListPtr AttributeList;
InvokeInst(const InvokeInst &BI);
- void init(Value *Fn, BasicBlock *IfNormal, BasicBlock *IfException,
- Value* const *Args, unsigned NumArgs);
-
- template<typename InputIterator>
void init(Value *Func, BasicBlock *IfNormal, BasicBlock *IfException,
- InputIterator ArgBegin, InputIterator ArgEnd,
- const Twine &NameStr,
- // This argument ensures that we have an iterator we can
- // do arithmetic on in constant time
- std::random_access_iterator_tag) {
- unsigned NumArgs = (unsigned)std::distance(ArgBegin, ArgEnd);
-
- // This requires that the iterator points to contiguous memory.
- init(Func, IfNormal, IfException, NumArgs ? &*ArgBegin : 0, NumArgs);
- setName(NameStr);
- }
+ ArrayRef<Value *> Args, const Twine &NameStr);
/// Construct an InvokeInst given a range of arguments.
- /// InputIterator must be a random-access iterator pointing to
- /// contiguous storage (e.g. a std::vector<>::iterator). Checks are
- /// made for random-accessness but not for contiguous storage as
- /// that would incur runtime overhead.
///
/// @brief Construct an InvokeInst from a range of arguments
- template<typename InputIterator>
inline InvokeInst(Value *Func, BasicBlock *IfNormal, BasicBlock *IfException,
- InputIterator ArgBegin, InputIterator ArgEnd,
- unsigned Values,
+ ArrayRef<Value *> Args, unsigned Values,
const Twine &NameStr, Instruction *InsertBefore);
/// Construct an InvokeInst given a range of arguments.
- /// InputIterator must be a random-access iterator pointing to
- /// contiguous storage (e.g. a std::vector<>::iterator). Checks are
- /// made for random-accessness but not for contiguous storage as
- /// that would incur runtime overhead.
///
/// @brief Construct an InvokeInst from a range of arguments
- template<typename InputIterator>
inline InvokeInst(Value *Func, BasicBlock *IfNormal, BasicBlock *IfException,
- InputIterator ArgBegin, InputIterator ArgEnd,
- unsigned Values,
+ ArrayRef<Value *> Args, unsigned Values,
const Twine &NameStr, BasicBlock *InsertAtEnd);
protected:
virtual InvokeInst *clone_impl() const;
public:
- template<typename InputIterator>
static InvokeInst *Create(Value *Func,
BasicBlock *IfNormal, BasicBlock *IfException,
- InputIterator ArgBegin, InputIterator ArgEnd,
- const Twine &NameStr = "",
+ ArrayRef<Value *> Args, const Twine &NameStr = "",
Instruction *InsertBefore = 0) {
- unsigned Values(ArgEnd - ArgBegin + 3);
- return new(Values) InvokeInst(Func, IfNormal, IfException, ArgBegin, ArgEnd,
+ unsigned Values = unsigned(Args.size()) + 3;
+ return new(Values) InvokeInst(Func, IfNormal, IfException, Args,
Values, NameStr, InsertBefore);
}
- template<typename InputIterator>
static InvokeInst *Create(Value *Func,
BasicBlock *IfNormal, BasicBlock *IfException,
- InputIterator ArgBegin, InputIterator ArgEnd,
- const Twine &NameStr,
+ ArrayRef<Value *> Args, const Twine &NameStr,
BasicBlock *InsertAtEnd) {
- unsigned Values(ArgEnd - ArgBegin + 3);
- return new(Values) InvokeInst(Func, IfNormal, IfException, ArgBegin, ArgEnd,
+ unsigned Values = unsigned(Args.size()) + 3;
+ return new(Values) InvokeInst(Func, IfNormal, IfException, Args,
Values, NameStr, InsertAtEnd);
}
Op<-1>() = reinterpret_cast<Value*>(B);
}
+ /// getLandingPadInst - Get the landingpad instruction from the landing pad
+ /// block (the unwind destination).
+ LandingPadInst *getLandingPadInst() const;
+
BasicBlock *getSuccessor(unsigned i) const {
assert(i < 2 && "Successor # out of range for invoke!");
return i == 0 ? getNormalDest() : getUnwindDest();
};
template <>
-struct OperandTraits<InvokeInst> : public VariadicOperandTraits<3> {
+struct OperandTraits<InvokeInst> : public VariadicOperandTraits<InvokeInst, 3> {
};
-template<typename InputIterator>
InvokeInst::InvokeInst(Value *Func,
BasicBlock *IfNormal, BasicBlock *IfException,
- InputIterator ArgBegin, InputIterator ArgEnd,
- unsigned Values,
+ ArrayRef<Value *> Args, unsigned Values,
const Twine &NameStr, Instruction *InsertBefore)
: TerminatorInst(cast<FunctionType>(cast<PointerType>(Func->getType())
->getElementType())->getReturnType(),
Instruction::Invoke,
OperandTraits<InvokeInst>::op_end(this) - Values,
Values, InsertBefore) {
- init(Func, IfNormal, IfException, ArgBegin, ArgEnd, NameStr,
- typename std::iterator_traits<InputIterator>::iterator_category());
+ init(Func, IfNormal, IfException, Args, NameStr);
}
-template<typename InputIterator>
InvokeInst::InvokeInst(Value *Func,
BasicBlock *IfNormal, BasicBlock *IfException,
- InputIterator ArgBegin, InputIterator ArgEnd,
- unsigned Values,
+ ArrayRef<Value *> Args, unsigned Values,
const Twine &NameStr, BasicBlock *InsertAtEnd)
: TerminatorInst(cast<FunctionType>(cast<PointerType>(Func->getType())
->getElementType())->getReturnType(),
Instruction::Invoke,
OperandTraits<InvokeInst>::op_end(this) - Values,
Values, InsertAtEnd) {
- init(Func, IfNormal, IfException, ArgBegin, ArgEnd, NameStr,
- typename std::iterator_traits<InputIterator>::iterator_category());
+ init(Func, IfNormal, IfException, Args, NameStr);
}
DEFINE_TRANSPARENT_OPERAND_ACCESSORS(InvokeInst, Value)
virtual void setSuccessorV(unsigned idx, BasicBlock *B);
};
+//===----------------------------------------------------------------------===//
+// ResumeInst Class
+//===----------------------------------------------------------------------===//
+
+//===---------------------------------------------------------------------------
+/// ResumeInst - Resume the propagation of an exception.
+///
+class ResumeInst : public TerminatorInst {
+ ResumeInst(const ResumeInst &RI);
+
+ explicit ResumeInst(Value *Exn, Instruction *InsertBefore=0);
+ ResumeInst(Value *Exn, BasicBlock *InsertAtEnd);
+protected:
+ virtual ResumeInst *clone_impl() const;
+public:
+ static ResumeInst *Create(Value *Exn, Instruction *InsertBefore = 0) {
+ return new(1) ResumeInst(Exn, InsertBefore);
+ }
+ static ResumeInst *Create(Value *Exn, BasicBlock *InsertAtEnd) {
+ return new(1) ResumeInst(Exn, InsertAtEnd);
+ }
+
+ /// Provide fast operand accessors
+ DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
+
+ /// Convenience accessor.
+ Value *getValue() const { return Op<0>(); }
+
+ unsigned getNumSuccessors() const { return 0; }
+
+ // Methods for support type inquiry through isa, cast, and dyn_cast:
+ static inline bool classof(const ResumeInst *) { return true; }
+ static inline bool classof(const Instruction *I) {
+ return I->getOpcode() == Instruction::Resume;
+ }
+ static inline bool classof(const Value *V) {
+ 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);
+};
+
+template <>
+struct OperandTraits<ResumeInst> :
+ public FixedNumOperandTraits<ResumeInst, 1> {
+};
+
+DEFINE_TRANSPARENT_OPERAND_ACCESSORS(ResumeInst, Value)
+
//===----------------------------------------------------------------------===//
// UnreachableInst Class
//===----------------------------------------------------------------------===//
/// @brief Constructor with insert-before-instruction semantics
TruncInst(
Value *S, ///< The value to be truncated
- const 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
Instruction *InsertBefore = 0 ///< Where to insert the new instruction
);
/// @brief Constructor with insert-at-end-of-block semantics
TruncInst(
Value *S, ///< The value to be truncated
- const 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
);
/// @brief Constructor with insert-before-instruction semantics
ZExtInst(
Value *S, ///< The value to be zero extended
- const 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
Instruction *InsertBefore = 0 ///< Where to insert the new instruction
);
/// @brief Constructor with insert-at-end semantics.
ZExtInst(
Value *S, ///< The value to be zero extended
- const 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
);
/// @brief Constructor with insert-before-instruction semantics
SExtInst(
Value *S, ///< The value to be sign extended
- const 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
Instruction *InsertBefore = 0 ///< Where to insert the new instruction
);
/// @brief Constructor with insert-at-end-of-block semantics
SExtInst(
Value *S, ///< The value to be sign extended
- const 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
);
/// @brief Constructor with insert-before-instruction semantics
FPTruncInst(
Value *S, ///< The value to be truncated
- const Type *Ty, ///< The type to truncate to
+ 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
);
/// @brief Constructor with insert-before-instruction semantics
FPTruncInst(
Value *S, ///< The value to be truncated
- const 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
);
/// @brief Constructor with insert-before-instruction semantics
FPExtInst(
Value *S, ///< The value to be extended
- const Type *Ty, ///< The type to extend to
+ 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
);
/// @brief Constructor with insert-at-end-of-block semantics
FPExtInst(
Value *S, ///< The value to be extended
- const 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
);
/// @brief Constructor with insert-before-instruction semantics
UIToFPInst(
Value *S, ///< The value to be converted
- const Type *Ty, ///< The type to convert to
+ 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
);
/// @brief Constructor with insert-at-end-of-block semantics
UIToFPInst(
Value *S, ///< The value to be converted
- const 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 Constructor with insert-before-instruction semantics
SIToFPInst(
Value *S, ///< The value to be converted
- const Type *Ty, ///< The type to convert to
+ 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
);
/// @brief Constructor with insert-at-end-of-block semantics
SIToFPInst(
Value *S, ///< The value to be converted
- const 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 Constructor with insert-before-instruction semantics
FPToUIInst(
Value *S, ///< The value to be converted
- const Type *Ty, ///< The type to convert to
+ 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
);
/// @brief Constructor with insert-at-end-of-block semantics
FPToUIInst(
Value *S, ///< The value to be converted
- const 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
);
/// @brief Constructor with insert-before-instruction semantics
FPToSIInst(
Value *S, ///< The value to be converted
- const Type *Ty, ///< The type to convert to
+ 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
);
/// @brief Constructor with insert-at-end-of-block semantics
FPToSIInst(
Value *S, ///< The value to be converted
- const 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 Constructor with insert-before-instruction semantics
IntToPtrInst(
Value *S, ///< The value to be converted
- const Type *Ty, ///< The type to convert to
+ 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
);
/// @brief Constructor with insert-at-end-of-block semantics
IntToPtrInst(
Value *S, ///< The value to be converted
- const 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 Constructor with insert-before-instruction semantics
PtrToIntInst(
Value *S, ///< The value to be converted
- const Type *Ty, ///< The type to convert to
+ 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
);
/// @brief Constructor with insert-at-end-of-block semantics
PtrToIntInst(
Value *S, ///< The value to be converted
- const 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 Constructor with insert-before-instruction semantics
BitCastInst(
Value *S, ///< The value to be casted
- const Type *Ty, ///< The type to casted to
+ 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
);
/// @brief Constructor with insert-at-end-of-block semantics
BitCastInst(
Value *S, ///< The value to be casted
- const 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
);
projects / oota-llvm.git / blobdiff