#ifndef LLVM_INSTRUCTIONS_H
#define LLVM_INSTRUCTIONS_H
-#include "llvm/InstrTypes.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Attributes.h"
-#include "llvm/BasicBlock.h"
-#include "llvm/LLVMContext.h"
+#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/SmallVector.h"
+#include "llvm/Attributes.h"
+#include "llvm/CallingConv.h"
+#include "llvm/DerivedTypes.h"
+#include "llvm/InstrTypes.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/IntegersSubset.h"
+#include "llvm/Support/IntegersSubsetMapping.h"
#include <iterator>
namespace llvm {
+class APInt;
class ConstantInt;
class ConstantRange;
-class APInt;
+class DataLayout;
class LLVMContext;
+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
+};
+
//===----------------------------------------------------------------------===//
-// AllocationInst Class
+// AllocaInst Class
//===----------------------------------------------------------------------===//
-/// AllocationInst - This class is the common base class of MallocInst and
-/// AllocaInst.
+/// AllocaInst - an instruction to allocate memory on the stack
///
-class AllocationInst : public UnaryInstruction {
+class AllocaInst : public UnaryInstruction {
protected:
- AllocationInst(const Type *Ty, Value *ArraySize,
- unsigned iTy, unsigned Align, const Twine &Name = "",
- Instruction *InsertBefore = 0);
- AllocationInst(const Type *Ty, Value *ArraySize,
- unsigned iTy, unsigned Align, const Twine &Name,
- BasicBlock *InsertAtEnd);
+ virtual AllocaInst *clone_impl() const;
public:
+ explicit AllocaInst(Type *Ty, Value *ArraySize = 0,
+ const Twine &Name = "", Instruction *InsertBefore = 0);
+ 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, BasicBlock *InsertAtEnd);
+
+ AllocaInst(Type *Ty, Value *ArraySize, unsigned Align,
+ const Twine &Name = "", Instruction *InsertBefore = 0);
+ 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 ~AllocationInst();
+ virtual ~AllocaInst();
/// 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
///
- 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.
///
- unsigned getAlignment() const { return (1u << SubclassData) >> 1; }
- void setAlignment(unsigned Align);
-
- virtual Instruction *clone(LLVMContext &Context) const = 0;
-
- // Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const AllocationInst *) { return true; }
- static inline bool classof(const Instruction *I) {
- return I->getOpcode() == Instruction::Alloca ||
- I->getOpcode() == Instruction::Malloc;
- }
- static inline bool classof(const Value *V) {
- return isa<Instruction>(V) && classof(cast<Instruction>(V));
- }
-};
-
-
-//===----------------------------------------------------------------------===//
-// MallocInst Class
-//===----------------------------------------------------------------------===//
-
-/// MallocInst - an instruction to allocated memory on the heap
-///
-class MallocInst : public AllocationInst {
- MallocInst(const MallocInst &MI);
-public:
- explicit MallocInst(const Type *Ty, Value *ArraySize = 0,
- const Twine &NameStr = "",
- Instruction *InsertBefore = 0)
- : AllocationInst(Ty, ArraySize, Malloc,
- 0, NameStr, InsertBefore) {}
- MallocInst(const Type *Ty, Value *ArraySize,
- const Twine &NameStr, BasicBlock *InsertAtEnd)
- : AllocationInst(Ty, ArraySize, Malloc, 0, NameStr, InsertAtEnd) {}
-
- MallocInst(const Type *Ty, const Twine &NameStr,
- Instruction *InsertBefore = 0)
- : AllocationInst(Ty, 0, Malloc, 0, NameStr, InsertBefore) {}
- MallocInst(const Type *Ty, const Twine &NameStr,
- BasicBlock *InsertAtEnd)
- : AllocationInst(Ty, 0, Malloc, 0, NameStr, InsertAtEnd) {}
-
- MallocInst(const Type *Ty, Value *ArraySize,
- unsigned Align, const Twine &NameStr,
- BasicBlock *InsertAtEnd)
- : AllocationInst(Ty, ArraySize, Malloc,
- Align, NameStr, InsertAtEnd) {}
- MallocInst(const Type *Ty, Value *ArraySize,
- unsigned Align, const Twine &NameStr = "",
- Instruction *InsertBefore = 0)
- : AllocationInst(Ty, ArraySize,
- Malloc, Align, NameStr, InsertBefore) {}
-
- virtual MallocInst *clone(LLVMContext &Context) const;
-
- // Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const MallocInst *) { return true; }
- static inline bool classof(const Instruction *I) {
- return (I->getOpcode() == Instruction::Malloc);
- }
- static inline bool classof(const Value *V) {
- return isa<Instruction>(V) && classof(cast<Instruction>(V));
+ unsigned getAlignment() const {
+ return (1u << getSubclassDataFromInstruction()) >> 1;
}
-};
-
-
-//===----------------------------------------------------------------------===//
-// AllocaInst Class
-//===----------------------------------------------------------------------===//
-
-/// AllocaInst - an instruction to allocate memory on the stack
-///
-class AllocaInst : public AllocationInst {
- AllocaInst(const AllocaInst &);
-public:
- explicit AllocaInst(const Type *Ty,
- Value *ArraySize = 0,
- const Twine &NameStr = "",
- Instruction *InsertBefore = 0)
- : AllocationInst(Ty, ArraySize, Alloca,
- 0, NameStr, InsertBefore) {}
- AllocaInst(const Type *Ty,
- Value *ArraySize, const Twine &NameStr,
- BasicBlock *InsertAtEnd)
- : AllocationInst(Ty, ArraySize, Alloca, 0, NameStr, InsertAtEnd) {}
-
- AllocaInst(const Type *Ty, const Twine &NameStr,
- Instruction *InsertBefore = 0)
- : AllocationInst(Ty, 0, Alloca, 0, NameStr, InsertBefore) {}
- AllocaInst(const Type *Ty, const Twine &NameStr,
- BasicBlock *InsertAtEnd)
- : AllocationInst(Ty, 0, Alloca, 0, NameStr, InsertAtEnd) {}
-
- AllocaInst(const Type *Ty, Value *ArraySize,
- unsigned Align, const Twine &NameStr = "",
- Instruction *InsertBefore = 0)
- : AllocationInst(Ty, ArraySize, Alloca,
- Align, NameStr, InsertBefore) {}
- AllocaInst(const Type *Ty, Value *ArraySize,
- unsigned Align, const Twine &NameStr,
- BasicBlock *InsertAtEnd)
- : AllocationInst(Ty, ArraySize, Alloca,
- Align, NameStr, InsertAtEnd) {}
-
- virtual AllocaInst *clone(LLVMContext &Context) const;
+ void setAlignment(unsigned Align);
/// isStaticAlloca - Return true if this alloca is in the entry block of the
/// function and is a constant size. If so, the code generator will fold it
bool isStaticAlloca() const;
// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const AllocaInst *) { return true; }
static inline bool classof(const Instruction *I) {
return (I->getOpcode() == Instruction::Alloca);
}
static inline bool classof(const Value *V) {
return isa<Instruction>(V) && classof(cast<Instruction>(V));
}
-};
-
-
-//===----------------------------------------------------------------------===//
-// FreeInst Class
-//===----------------------------------------------------------------------===//
-
-/// FreeInst - an instruction to deallocate memory
-///
-class FreeInst : public UnaryInstruction {
- void AssertOK();
-public:
- explicit FreeInst(Value *Ptr, Instruction *InsertBefore = 0);
- FreeInst(Value *Ptr, BasicBlock *InsertAfter);
-
- virtual FreeInst *clone(LLVMContext &Context) const;
-
- // Accessor methods for consistency with other memory operations
- Value *getPointerOperand() { return getOperand(0); }
- const Value *getPointerOperand() const { return getOperand(0); }
-
- // Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const FreeInst *) { return true; }
- static inline bool classof(const Instruction *I) {
- return (I->getOpcode() == Instruction::Free);
- }
- 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);
}
};
/// SubclassData field in Value to store whether or not the load is volatile.
///
class LoadInst : public UnaryInstruction {
-
- LoadInst(const LoadInst &LI)
- : UnaryInstruction(LI.getType(), Load, LI.getOperand(0)) {
- setVolatile(LI.isVolatile());
- setAlignment(LI.getAlignment());
-
-#ifndef NDEBUG
- AssertOK();
-#endif
- }
void AssertOK();
+protected:
+ virtual LoadInst *clone_impl() const;
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);
- 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);
/// isVolatile - Return true if this is a load from a volatile memory
/// location.
///
- bool isVolatile() const { return SubclassData & 1; }
+ bool isVolatile() const { return getSubclassDataFromInstruction() & 1; }
/// setVolatile - Specify whether this is a volatile load or not.
///
void setVolatile(bool V) {
- SubclassData = (SubclassData & ~1) | (V ? 1 : 0);
+ setInstructionSubclassData((getSubclassDataFromInstruction() & ~1) |
+ (V ? 1 : 0));
}
- virtual LoadInst *clone(LLVMContext &Context) const;
-
/// getAlignment - Return the alignment of the access that is being performed
///
unsigned getAlignment() const {
- return (1 << (SubclassData>>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; }
+ /// \brief Returns the address space of the pointer operand.
+ unsigned getPointerAddressSpace() const {
+ return getPointerOperand()->getType()->getPointerAddressSpace();
+ }
+
+
// 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) {
return I->getOpcode() == Instruction::Load;
}
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);
+ }
};
/// StoreInst - an instruction for storing to memory
///
class StoreInst : public Instruction {
- void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
-
- StoreInst(const StoreInst &SI) : Instruction(SI.getType(), Store,
- &Op<0>(), 2) {
- Op<0>() = SI.Op<0>();
- Op<1>() = SI.Op<1>();
- setVolatile(SI.isVolatile());
- setAlignment(SI.getAlignment());
-
-#ifndef NDEBUG
- AssertOK();
-#endif
- }
+ void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
void AssertOK();
+protected:
+ virtual StoreInst *clone_impl() const;
public:
// allocate space for exactly two operands
void *operator new(size_t s) {
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 SubclassData & 1; }
+ 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) {
- SubclassData = (SubclassData & ~1) | (V ? 1 : 0);
+ setInstructionSubclassData((getSubclassDataFromInstruction() & ~1) |
+ (V ? 1 : 0));
}
/// Transparently provide more efficient getOperand methods.
/// getAlignment - Return the alignment of the access that is being performed
///
unsigned getAlignment() const {
- return (1 << (SubclassData>>1)) >> 1;
+ return (1 << ((getSubclassDataFromInstruction() >> 1) & 31)) >> 1;
}
void setAlignment(unsigned Align);
- virtual StoreInst *clone(LLVMContext &Context) const;
+ /// 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; }
+ /// \brief Returns the address space of the pointer operand.
+ unsigned getPointerAddressSpace() const {
+ return getPointerOperand()->getType()->getPointerAddressSpace();
+ }
+
// 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) {
return I->getOpcode() == Instruction::Store;
}
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<StoreInst> : 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) LLVM_DELETED_FUNCTION;
+ 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 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) LLVM_DELETED_FUNCTION;
+ 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); }
+
+ /// \brief Returns the address space of the pointer operand.
+ unsigned getPointerAddressSpace() const {
+ return getPointerOperand()->getType()->getPointerAddressSpace();
+ }
+
+ // Methods for support type inquiry through isa, cast, and dyn_cast:
+ 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) LLVM_DELETED_FUNCTION;
+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); }
+
+ /// \brief Returns the address space of the pointer operand.
+ unsigned getPointerAddressSpace() const {
+ return getPointerOperand()->getType()->getPointerAddressSpace();
+ }
+
+ // Methods for support type inquiry through isa, cast, and dyn_cast:
+ 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) {
+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);
+ GetElementPtrInst(Ptr, IdxList, 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);
+ /// Create an "inbounds" getelementptr. See the documentation for the
+ /// "inbounds" flag in LangRef.html for details.
+ static GetElementPtrInst *CreateInBounds(Value *Ptr,
+ ArrayRef<Value *> IdxList,
+ const Twine &NameStr = "",
+ Instruction *InsertBefore = 0) {
+ GetElementPtrInst *GEP = Create(Ptr, IdxList, NameStr, InsertBefore);
+ GEP->setIsInBounds(true);
+ return GEP;
}
- static GetElementPtrInst *Create(Value *Ptr, Value *Idx,
- const Twine &NameStr,
- BasicBlock *InsertAtEnd) {
- return new(2) GetElementPtrInst(Ptr, Idx, NameStr, InsertAtEnd);
+ static GetElementPtrInst *CreateInBounds(Value *Ptr,
+ ArrayRef<Value *> IdxList,
+ const Twine &NameStr,
+ BasicBlock *InsertAtEnd) {
+ GetElementPtrInst *GEP = Create(Ptr, IdxList, NameStr, InsertAtEnd);
+ GEP->setIsInBounds(true);
+ return GEP;
}
- virtual GetElementPtrInst *clone(LLVMContext &Context) const;
-
/// Transparently provide more efficient getOperand methods.
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());
+ }
+
+ /// \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
+ // and that is cheaper to compute, so cheat here.
+ return getPointerAddressSpace();
}
/// 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; }
return getOperand(0);
}
static unsigned getPointerOperandIndex() {
- return 0U; // get index for modifying correct operand
+ return 0U; // get index for modifying correct operand.
}
/// getPointerOperandType - Method to return the pointer operand as a
/// PointerType.
- const PointerType *getPointerOperandType() const {
- return reinterpret_cast<const PointerType*>(getPointerOperand()->getType());
+ Type *getPointerOperandType() const {
+ return getPointerOperand()->getType();
}
+ /// \brief Returns the address space of the pointer operand.
+ unsigned getPointerAddressSpace() const {
+ return getPointerOperandType()->getPointerAddressSpace();
+ }
+
+ /// GetGEPReturnType - Returns the pointer type returned by the GEP
+ /// instruction, which may be a vector of pointers.
+ static Type *getGEPReturnType(Value *Ptr, ArrayRef<Value *> IdxList) {
+ Type *PtrTy = PointerType::get(checkGEPType(
+ getIndexedType(Ptr->getType(), IdxList)),
+ Ptr->getType()->getPointerAddressSpace());
+ // Vector GEP
+ if (Ptr->getType()->isVectorTy()) {
+ unsigned NumElem = cast<VectorType>(Ptr->getType())->getNumElements();
+ return VectorType::get(PtrTy, NumElem);
+ }
+
+ // Scalar GEP
+ return PtrTy;
+ }
unsigned getNumIndices() const { // Note: always non-negative
return getNumOperands() - 1;
/// a constant offset between them.
bool hasAllConstantIndices() const;
+ /// setIsInBounds - Set or clear the inbounds flag on this GEP instruction.
+ /// See LangRef.html for the meaning of inbounds on a getelementptr.
+ void setIsInBounds(bool b = true);
+
+ /// isInBounds - Determine whether the GEP has the inbounds flag.
+ bool isInBounds() const;
+
+ /// \brief Accumulate the constant address offset of this GEP if possible.
+ ///
+ /// This routine accepts an APInt into which it will accumulate the constant
+ /// offset of this GEP if the GEP is in fact constant. If the GEP is not
+ /// all-constant, it returns false and the value of the offset APInt is
+ /// undefined (it is *not* preserved!). The APInt passed into this routine
+ /// must be at least as wide as the IntPtr type for the address space of
+ /// the base GEP pointer.
+ bool accumulateConstantOffset(const DataLayout &DL, APInt &Offset) const;
+
// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const GetElementPtrInst *) { return true; }
static inline bool classof(const Instruction *I) {
return (I->getOpcode() == Instruction::GetElementPtr);
}
};
template <>
-struct OperandTraits<GetElementPtrInst> : 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)),
- cast<PointerType>(Ptr->getType())
- ->getAddressSpace()),
+ : Instruction(getGEPReturnType(Ptr, IdxList),
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)),
- cast<PointerType>(Ptr->getType())
- ->getAddressSpace()),
+ : Instruction(getGEPReturnType(Ptr, IdxList),
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);
}
/// This instruction compares its operands according to the predicate given
/// to the constructor. It only operates on integers or pointers. The operands
/// must be identical types.
-/// @brief Represent an integer comparison operator.
+/// \brief Represent an integer comparison operator.
class ICmpInst: public CmpInst {
+protected:
+ /// \brief Clone an identical ICmpInst
+ virtual ICmpInst *clone_impl() const;
public:
- /// @brief Constructor with insert-before-instruction semantics.
+ /// \brief Constructor with insert-before-instruction semantics.
ICmpInst(
Instruction *InsertBefore, ///< Where to insert
Predicate pred, ///< The predicate to use for the comparison
Value *LHS, ///< The left-hand-side of the expression
Value *RHS, ///< The right-hand-side of the expression
const Twine &NameStr = "" ///< Name of the instruction
- ) : CmpInst(InsertBefore->getContext().makeCmpResultType(LHS->getType()),
+ ) : CmpInst(makeCmpResultType(LHS->getType()),
Instruction::ICmp, pred, LHS, RHS, NameStr,
InsertBefore) {
assert(pred >= CmpInst::FIRST_ICMP_PREDICATE &&
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()->isIntOrIntVector() ||
- isa<PointerType>(getOperand(0)->getType())) &&
+ assert((getOperand(0)->getType()->isIntOrIntVectorTy() ||
+ getOperand(0)->getType()->getScalarType()->isPointerTy()) &&
"Invalid operand types for ICmp instruction");
}
- /// @brief Constructor with insert-at-end semantics.
+ /// \brief Constructor with insert-at-end semantics.
ICmpInst(
BasicBlock &InsertAtEnd, ///< Block to insert into.
Predicate pred, ///< The predicate to use for the comparison
Value *LHS, ///< The left-hand-side of the expression
Value *RHS, ///< The right-hand-side of the expression
const Twine &NameStr = "" ///< Name of the instruction
- ) : CmpInst(InsertAtEnd.getContext().makeCmpResultType(LHS->getType()),
+ ) : CmpInst(makeCmpResultType(LHS->getType()),
Instruction::ICmp, pred, LHS, RHS, NameStr,
&InsertAtEnd) {
assert(pred >= CmpInst::FIRST_ICMP_PREDICATE &&
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()->isIntOrIntVector() ||
- isa<PointerType>(getOperand(0)->getType())) &&
+ assert((getOperand(0)->getType()->isIntOrIntVectorTy() ||
+ getOperand(0)->getType()->isPointerTy()) &&
"Invalid operand types for ICmp instruction");
}
- /// @brief Constructor with no-insertion semantics
+ /// \brief Constructor with no-insertion semantics
ICmpInst(
- LLVMContext &Context, ///< Context to construct within
Predicate pred, ///< The predicate to use for the comparison
Value *LHS, ///< The left-hand-side of the expression
Value *RHS, ///< The right-hand-side of the expression
const Twine &NameStr = "" ///< Name of the instruction
- ) : CmpInst(Context.makeCmpResultType(LHS->getType()),
+ ) : CmpInst(makeCmpResultType(LHS->getType()),
Instruction::ICmp, pred, LHS, RHS, NameStr) {
assert(pred >= CmpInst::FIRST_ICMP_PREDICATE &&
pred <= CmpInst::LAST_ICMP_PREDICATE &&
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()->isIntOrIntVector() ||
- isa<PointerType>(getOperand(0)->getType())) &&
+ assert((getOperand(0)->getType()->isIntOrIntVectorTy() ||
+ getOperand(0)->getType()->getScalarType()->isPointerTy()) &&
"Invalid operand types for ICmp instruction");
}
/// For example, EQ->EQ, SLE->SLE, UGT->SGT, etc.
/// @returns the predicate that would be the result if the operand were
/// regarded as signed.
- /// @brief Return the signed version of the predicate
+ /// \brief Return the signed version of the predicate
Predicate getSignedPredicate() const {
return getSignedPredicate(getPredicate());
}
/// This is a static version that you can use without an instruction.
- /// @brief Return the signed version of the predicate.
+ /// \brief Return the signed version of the predicate.
static Predicate getSignedPredicate(Predicate pred);
/// For example, EQ->EQ, SLE->ULE, UGT->UGT, etc.
/// @returns the predicate that would be the result if the operand were
/// regarded as unsigned.
- /// @brief Return the unsigned version of the predicate
+ /// \brief Return the unsigned version of the predicate
Predicate getUnsignedPredicate() const {
return getUnsignedPredicate(getPredicate());
}
/// This is a static version that you can use without an instruction.
- /// @brief Return the unsigned version of the predicate.
+ /// \brief Return the unsigned version of the predicate.
static Predicate getUnsignedPredicate(Predicate pred);
/// isEquality - Return true if this predicate is either EQ or NE. This also
}
/// @returns true if the predicate of this ICmpInst is commutative
- /// @brief Determine if this relation is commutative.
+ /// \brief Determine if this relation is commutative.
bool isCommutative() const { return isEquality(); }
/// isRelational - Return true if the predicate is relational (not EQ or NE).
return !isEquality(P);
}
- /// @returns true if the predicate of this ICmpInst is signed, false otherwise
- /// @brief Determine if this instruction's predicate is signed.
- bool isSignedPredicate() const { return isSignedPredicate(getPredicate()); }
-
- /// @returns true if the predicate provided is signed, false otherwise
- /// @brief Determine if the predicate is signed.
- static bool isSignedPredicate(Predicate pred);
-
- /// @returns true if the specified compare predicate is
- /// true when both operands are equal...
- /// @brief Determine if the icmp is true when both operands are equal
- static bool isTrueWhenEqual(ICmpInst::Predicate pred) {
- return pred == ICmpInst::ICMP_EQ || pred == ICmpInst::ICMP_UGE ||
- pred == ICmpInst::ICMP_SGE || pred == ICmpInst::ICMP_ULE ||
- pred == ICmpInst::ICMP_SLE;
- }
-
- /// @returns true if the specified compare instruction is
- /// true when both operands are equal...
- /// @brief Determine if the ICmpInst returns true when both operands are equal
- bool isTrueWhenEqual() {
- return isTrueWhenEqual(getPredicate());
- }
-
/// Initialize a set of values that all satisfy the predicate with C.
- /// @brief Make a ConstantRange for a relation with a constant value.
+ /// \brief Make a ConstantRange for a relation with a constant value.
static ConstantRange makeConstantRange(Predicate pred, const APInt &C);
/// Exchange the two operands to this instruction in such a way that it does
/// not modify the semantics of the instruction. The predicate value may be
/// changed to retain the same result if the predicate is order dependent
/// (e.g. ult).
- /// @brief Swap operands and adjust predicate.
+ /// \brief Swap operands and adjust predicate.
void swapOperands() {
- SubclassData = getSwappedPredicate();
+ setPredicate(getSwappedPredicate());
Op<0>().swap(Op<1>());
}
- virtual ICmpInst *clone(LLVMContext &Context) const;
-
// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const ICmpInst *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == Instruction::ICmp;
}
/// This instruction compares its operands according to the predicate given
/// to the constructor. It only operates on floating point values or packed
/// vectors of floating point values. The operands must be identical types.
-/// @brief Represents a floating point comparison operator.
+/// \brief Represents a floating point comparison operator.
class FCmpInst: public CmpInst {
+protected:
+ /// \brief Clone an identical FCmpInst
+ virtual FCmpInst *clone_impl() const;
public:
- /// @brief Constructor with insert-before-instruction semantics.
+ /// \brief Constructor with insert-before-instruction semantics.
FCmpInst(
Instruction *InsertBefore, ///< Where to insert
Predicate pred, ///< The predicate to use for the comparison
Value *LHS, ///< The left-hand-side of the expression
Value *RHS, ///< The right-hand-side of the expression
const Twine &NameStr = "" ///< Name of the instruction
- ) : CmpInst(InsertBefore->getContext().makeCmpResultType(LHS->getType()),
+ ) : CmpInst(makeCmpResultType(LHS->getType()),
Instruction::FCmp, pred, LHS, RHS, NameStr,
InsertBefore) {
assert(pred <= FCmpInst::LAST_FCMP_PREDICATE &&
assert(getOperand(0)->getType() == getOperand(1)->getType() &&
"Both operands to FCmp instruction are not of the same type!");
// Check that the operands are the right type
- assert(getOperand(0)->getType()->isFPOrFPVector() &&
+ assert(getOperand(0)->getType()->isFPOrFPVectorTy() &&
"Invalid operand types for FCmp instruction");
}
-
- /// @brief Constructor with insert-at-end semantics.
+
+ /// \brief Constructor with insert-at-end semantics.
FCmpInst(
BasicBlock &InsertAtEnd, ///< Block to insert into.
Predicate pred, ///< The predicate to use for the comparison
Value *LHS, ///< The left-hand-side of the expression
Value *RHS, ///< The right-hand-side of the expression
const Twine &NameStr = "" ///< Name of the instruction
- ) : CmpInst(InsertAtEnd.getContext().makeCmpResultType(LHS->getType()),
+ ) : CmpInst(makeCmpResultType(LHS->getType()),
Instruction::FCmp, pred, LHS, RHS, NameStr,
&InsertAtEnd) {
assert(pred <= FCmpInst::LAST_FCMP_PREDICATE &&
assert(getOperand(0)->getType() == getOperand(1)->getType() &&
"Both operands to FCmp instruction are not of the same type!");
// Check that the operands are the right type
- assert(getOperand(0)->getType()->isFPOrFPVector() &&
+ assert(getOperand(0)->getType()->isFPOrFPVectorTy() &&
"Invalid operand types for FCmp instruction");
}
- /// @brief Constructor with no-insertion semantics
+ /// \brief Constructor with no-insertion semantics
FCmpInst(
- LLVMContext &Context, ///< Context to build in
Predicate pred, ///< The predicate to use for the comparison
Value *LHS, ///< The left-hand-side of the expression
Value *RHS, ///< The right-hand-side of the expression
const Twine &NameStr = "" ///< Name of the instruction
- ) : CmpInst(Context.makeCmpResultType(LHS->getType()),
+ ) : CmpInst(makeCmpResultType(LHS->getType()),
Instruction::FCmp, pred, LHS, RHS, NameStr) {
assert(pred <= FCmpInst::LAST_FCMP_PREDICATE &&
"Invalid FCmp predicate value");
assert(getOperand(0)->getType() == getOperand(1)->getType() &&
"Both operands to FCmp instruction are not of the same type!");
// Check that the operands are the right type
- assert(getOperand(0)->getType()->isFPOrFPVector() &&
+ assert(getOperand(0)->getType()->isFPOrFPVectorTy() &&
"Invalid operand types for FCmp instruction");
}
/// @returns true if the predicate of this instruction is EQ or NE.
- /// @brief Determine if this is an equality predicate.
+ /// \brief Determine if this is an equality predicate.
bool isEquality() const {
- return SubclassData == FCMP_OEQ || SubclassData == FCMP_ONE ||
- SubclassData == FCMP_UEQ || SubclassData == FCMP_UNE;
+ return getPredicate() == FCMP_OEQ || getPredicate() == FCMP_ONE ||
+ getPredicate() == FCMP_UEQ || getPredicate() == FCMP_UNE;
}
/// @returns true if the predicate of this instruction is commutative.
- /// @brief Determine if this is a commutative predicate.
+ /// \brief Determine if this is a commutative predicate.
bool isCommutative() const {
return isEquality() ||
- SubclassData == FCMP_FALSE ||
- SubclassData == FCMP_TRUE ||
- SubclassData == FCMP_ORD ||
- SubclassData == FCMP_UNO;
+ getPredicate() == FCMP_FALSE ||
+ getPredicate() == FCMP_TRUE ||
+ getPredicate() == FCMP_ORD ||
+ getPredicate() == FCMP_UNO;
}
/// @returns true if the predicate is relational (not EQ or NE).
- /// @brief Determine if this a relational predicate.
+ /// \brief Determine if this a relational predicate.
bool isRelational() const { return !isEquality(); }
/// Exchange the two operands to this instruction in such a way that it does
/// not modify the semantics of the instruction. The predicate value may be
/// changed to retain the same result if the predicate is order dependent
/// (e.g. ult).
- /// @brief Swap operands and adjust predicate.
+ /// \brief Swap operands and adjust predicate.
void swapOperands() {
- SubclassData = getSwappedPredicate();
+ setPredicate(getSwappedPredicate());
Op<0>().swap(Op<1>());
}
- virtual FCmpInst *clone(LLVMContext &Context) const;
-
- /// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const FCmpInst *) { return true; }
+ /// \brief Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const Instruction *I) {
return I->getOpcode() == Instruction::FCmp;
}
static inline bool classof(const Value *V) {
return isa<Instruction>(V) && classof(cast<Instruction>(V));
}
-
};
-//===----------------------------------------------------------------------===//
-// CallInst Class
//===----------------------------------------------------------------------===//
/// CallInst - This class represents a function call, abstracting a target
/// machine's calling convention. This class uses low bit of the SubClassData
/// field to indicate whether or not this is a tail call. The rest of the bits
/// hold the calling convention of the call.
///
-
class CallInst : public Instruction {
- AttrListPtr AttributeList; ///< parameter attributes for call
+ AttributeSet 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.
- /// @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.
- /// @brief Construct a CallInst from a range of arguments
- template<typename InputIterator>
- inline CallInst(Value *Func, InputIterator ArgBegin, InputIterator ArgEnd,
+ /// Construct a CallInst given a range of arguments.
+ /// \brief Construct a CallInst from a range of arguments
+ 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
+ inline CallInst(Value *Func, ArrayRef<Value *> Args,
const Twine &NameStr, BasicBlock *InsertAtEnd);
CallInst(Value *F, Value *Actual, const Twine &NameStr,
explicit CallInst(Value *F, const Twine &NameStr,
Instruction *InsertBefore);
CallInst(Value *F, const Twine &NameStr, BasicBlock *InsertAtEnd);
+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) {
BasicBlock *InsertAtEnd) {
return new(1) CallInst(F, NameStr, InsertAtEnd);
}
+ /// CreateMalloc - Generate the IR for a call to malloc:
+ /// 1. Compute the malloc call's argument as the specified type's size,
+ /// possibly multiplied by the array size if the array size is not
+ /// constant 1.
+ /// 2. Call malloc with that argument.
+ /// 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,
+ const Twine &Name = "");
+ static Instruction *CreateMalloc(BasicBlock *InsertAtEnd,
+ Type *IntPtrTy, Type *AllocTy,
+ Value *AllocSize, Value *ArraySize = 0,
+ Function* MallocF = 0,
+ 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();
- bool isTailCall() const { return SubclassData & 1; }
+ bool isTailCall() const { return getSubclassDataFromInstruction() & 1; }
void setTailCall(bool isTC = true) {
- SubclassData = (SubclassData & ~1) | unsigned(isTC);
+ setInstructionSubclassData((getSubclassDataFromInstruction() & ~1) |
+ unsigned(isTC));
}
- virtual CallInst *clone(LLVMContext &Context) const;
-
/// Provide fast operand accessors
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
+ /// getNumArgOperands - Return the number of call arguments.
+ ///
+ unsigned getNumArgOperands() const { return getNumOperands() - 1; }
+
+ /// getArgOperand/setArgOperand - Return/set the i-th call argument.
+ ///
+ Value *getArgOperand(unsigned i) const { return getOperand(i); }
+ void setArgOperand(unsigned i, Value *v) { setOperand(i, v); }
+
/// getCallingConv/setCallingConv - Get or set the calling convention of this
/// function call.
- unsigned getCallingConv() const { return SubclassData >> 1; }
- void setCallingConv(unsigned CC) {
- SubclassData = (SubclassData & 1) | (CC << 1);
+ CallingConv::ID getCallingConv() const {
+ return static_cast<CallingConv::ID>(getSubclassDataFromInstruction() >> 1);
+ }
+ void setCallingConv(CallingConv::ID CC) {
+ setInstructionSubclassData((getSubclassDataFromInstruction() & 1) |
+ (static_cast<unsigned>(CC) << 1));
}
/// getAttributes - Return the parameter attributes for this call.
///
- const AttrListPtr &getAttributes() const { return AttributeList; }
+ const AttributeSet &getAttributes() const { return AttributeList; }
/// setAttributes - Set the parameter attributes for this call.
///
- void setAttributes(const AttrListPtr &Attrs) { AttributeList = Attrs; }
+ void setAttributes(const AttributeSet &Attrs) { AttributeList = Attrs; }
/// addAttribute - adds the attribute to the list of attributes.
void addAttribute(unsigned i, Attributes attr);
/// removeAttribute - removes the attribute from the list of attributes.
void removeAttribute(unsigned i, Attributes attr);
- /// @brief Determine whether the call or the callee has the given attribute.
- bool paramHasAttr(unsigned i, Attributes attr) const;
+ /// \brief Determine whether this call has the given attribute.
+ bool hasFnAttr(Attributes::AttrVal A) const;
+
+ /// \brief Determine whether the call or the callee has the given attributes.
+ bool paramHasAttr(unsigned i, Attributes::AttrVal A) const;
- /// @brief Extract the alignment for a call or parameter (0=unknown).
+ /// \brief Extract the alignment for a call or parameter (0=unknown).
unsigned getParamAlignment(unsigned i) const {
return AttributeList.getParamAlignment(i);
}
- /// @brief Determine if the call does not access memory.
- bool doesNotAccessMemory() const {
- return paramHasAttr(~0, Attribute::ReadNone);
+ /// \brief Return true if the call should not be inlined.
+ bool isNoInline() const { return hasFnAttr(Attributes::NoInline); }
+ void setIsNoInline() {
+ addAttribute(AttributeSet::FunctionIndex,
+ Attributes::get(getContext(), Attributes::NoInline));
+ }
+
+ /// \brief Return true if the call can return twice
+ bool canReturnTwice() const {
+ return hasFnAttr(Attributes::ReturnsTwice);
}
- void setDoesNotAccessMemory(bool NotAccessMemory = true) {
- if (NotAccessMemory) addAttribute(~0, Attribute::ReadNone);
- else removeAttribute(~0, Attribute::ReadNone);
+ void setCanReturnTwice() {
+ addAttribute(AttributeSet::FunctionIndex,
+ Attributes::get(getContext(), Attributes::ReturnsTwice));
}
- /// @brief Determine if the call does not access or only reads memory.
- bool onlyReadsMemory() const {
- return doesNotAccessMemory() || paramHasAttr(~0, Attribute::ReadOnly);
+ /// \brief Determine if the call does not access memory.
+ bool doesNotAccessMemory() const {
+ return hasFnAttr(Attributes::ReadNone);
}
- void setOnlyReadsMemory(bool OnlyReadsMemory = true) {
- if (OnlyReadsMemory) addAttribute(~0, Attribute::ReadOnly);
- else removeAttribute(~0, Attribute::ReadOnly | Attribute::ReadNone);
+ void setDoesNotAccessMemory() {
+ addAttribute(AttributeSet::FunctionIndex,
+ Attributes::get(getContext(), Attributes::ReadNone));
}
- /// @brief Determine if the call cannot return.
- bool doesNotReturn() const {
- return paramHasAttr(~0, Attribute::NoReturn);
+ /// \brief Determine if the call does not access or only reads memory.
+ bool onlyReadsMemory() const {
+ return doesNotAccessMemory() || hasFnAttr(Attributes::ReadOnly);
}
- void setDoesNotReturn(bool DoesNotReturn = true) {
- if (DoesNotReturn) addAttribute(~0, Attribute::NoReturn);
- else removeAttribute(~0, Attribute::NoReturn);
+ void setOnlyReadsMemory() {
+ addAttribute(AttributeSet::FunctionIndex,
+ Attributes::get(getContext(), Attributes::ReadOnly));
}
- /// @brief Determine if the call cannot unwind.
- bool doesNotThrow() const {
- return paramHasAttr(~0, Attribute::NoUnwind);
+ /// \brief Determine if the call cannot return.
+ bool doesNotReturn() const { return hasFnAttr(Attributes::NoReturn); }
+ void setDoesNotReturn() {
+ addAttribute(AttributeSet::FunctionIndex,
+ Attributes::get(getContext(), Attributes::NoReturn));
}
- void setDoesNotThrow(bool DoesNotThrow = true) {
- if (DoesNotThrow) addAttribute(~0, Attribute::NoUnwind);
- else removeAttribute(~0, Attribute::NoUnwind);
+
+ /// \brief Determine if the call cannot unwind.
+ bool doesNotThrow() const { return hasFnAttr(Attributes::NoUnwind); }
+ void setDoesNotThrow() {
+ addAttribute(AttributeSet::FunctionIndex,
+ Attributes::get(getContext(), Attributes::NoUnwind));
}
- /// @brief Determine if the call returns a structure through first
+ /// \brief Determine if the call returns a structure through first
/// pointer argument.
bool hasStructRetAttr() const {
// Be friendly and also check the callee.
- return paramHasAttr(1, Attribute::StructRet);
+ return paramHasAttr(1, Attributes::StructRet);
}
- /// @brief Determine if any call argument is an aggregate passed by value.
+ /// \brief Determine if any call argument is an aggregate passed by value.
bool hasByValArgument() const {
- return AttributeList.hasAttrSomewhere(Attribute::ByVal);
+ for (unsigned I = 0, E = AttributeList.getNumAttrs(); I != E; ++I)
+ if (AttributeList.getAttributesAtIndex(I).hasAttribute(Attributes::ByVal))
+ return true;
+ return false;
}
/// getCalledFunction - Return the function called, or null if this is an
/// indirect function invocation.
///
Function *getCalledFunction() const {
- return dyn_cast<Function>(Op<0>());
+ return dyn_cast<Function>(Op<-1>());
}
/// getCalledValue - Get a pointer to the function that is invoked by this
- /// instruction
- const Value *getCalledValue() const { return Op<0>(); }
- Value *getCalledValue() { return Op<0>(); }
+ /// instruction.
+ const Value *getCalledValue() const { return Op<-1>(); }
+ Value *getCalledValue() { return Op<-1>(); }
+
+ /// setCalledFunction - Set the function called.
+ 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>());
+ }
// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const CallInst *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == Instruction::Call;
}
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<CallInst> : 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);
}
+
+// Note: if you get compile errors about private methods then
+// please update your code to use the high-level operand
+// interfaces. See line 943 above.
DEFINE_TRANSPARENT_OPERAND_ACCESSORS(CallInst, Value)
//===----------------------------------------------------------------------===//
Op<2>() = S2;
}
- SelectInst(const SelectInst &SI)
- : Instruction(SI.getType(), SI.getOpcode(), &Op<0>(), 3) {
- init(SI.Op<0>(), SI.Op<1>(), SI.Op<2>());
- }
SelectInst(Value *C, Value *S1, Value *S2, const Twine &NameStr,
Instruction *InsertBefore)
: Instruction(S1->getType(), Instruction::Select,
init(C, S1, S2);
setName(NameStr);
}
+protected:
+ virtual SelectInst *clone_impl() const;
public:
static SelectInst *Create(Value *C, Value *S1, Value *S2,
const Twine &NameStr = "",
return new(3) SelectInst(C, S1, S2, NameStr, InsertAtEnd);
}
- Value *getCondition() const { return Op<0>(); }
- Value *getTrueValue() const { return Op<1>(); }
- Value *getFalseValue() const { return Op<2>(); }
+ const Value *getCondition() const { return Op<0>(); }
+ const Value *getTrueValue() const { return Op<1>(); }
+ const Value *getFalseValue() const { return Op<2>(); }
+ 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.
return static_cast<OtherOps>(Instruction::getOpcode());
}
- virtual SelectInst *clone(LLVMContext &Context) const;
-
// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const SelectInst *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == Instruction::Select;
}
};
template <>
-struct OperandTraits<SelectInst> : FixedNumOperandTraits<3> {
+struct OperandTraits<SelectInst> : public FixedNumOperandTraits<SelectInst, 3> {
};
DEFINE_TRANSPARENT_OPERAND_ACCESSORS(SelectInst, Value)
/// an argument of the specified type given a va_list and increments that list
///
class VAArgInst : public UnaryInstruction {
- VAArgInst(const VAArgInst &VAA)
- : UnaryInstruction(VAA.getType(), VAArg, VAA.getOperand(0)) {}
+protected:
+ 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);
}
- virtual VAArgInst *clone(LLVMContext &Context) const;
+ 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) {
return I->getOpcode() == VAArg;
}
/// element from a VectorType value
///
class ExtractElementInst : public Instruction {
- ExtractElementInst(const ExtractElementInst &EE) :
- Instruction(EE.getType(), ExtractElement, &Op<0>(), 2) {
- Op<0>() = EE.Op<0>();
- Op<1>() = EE.Op<1>();
- }
-
ExtractElementInst(Value *Vec, Value *Idx, const Twine &NameStr = "",
Instruction *InsertBefore = 0);
ExtractElementInst(Value *Vec, Value *Idx, const Twine &NameStr,
BasicBlock *InsertAtEnd);
-public:
- static ExtractElementInst *Create(const ExtractElementInst &EE) {
- return new(EE.getNumOperands()) ExtractElementInst(EE);
- }
+protected:
+ virtual ExtractElementInst *clone_impl() const;
+public:
static ExtractElementInst *Create(Value *Vec, Value *Idx,
const Twine &NameStr = "",
Instruction *InsertBefore = 0) {
/// formed with the specified operands.
static bool isValidOperands(const Value *Vec, const Value *Idx);
- virtual ExtractElementInst *clone(LLVMContext &Context) const;
+ Value *getVectorOperand() { return Op<0>(); }
+ Value *getIndexOperand() { return Op<1>(); }
+ const Value *getVectorOperand() const { return Op<0>(); }
+ const Value *getIndexOperand() const { return Op<1>(); }
+
+ VectorType *getVectorOperandType() const {
+ return reinterpret_cast<VectorType*>(getVectorOperand()->getType());
+ }
+
/// Transparently provide more efficient getOperand methods.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const ExtractElementInst *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == Instruction::ExtractElement;
}
};
template <>
-struct OperandTraits<ExtractElementInst> : FixedNumOperandTraits<2> {
+struct OperandTraits<ExtractElementInst> :
+ public FixedNumOperandTraits<ExtractElementInst, 2> {
};
DEFINE_TRANSPARENT_OPERAND_ACCESSORS(ExtractElementInst, Value)
/// element into a VectorType value
///
class InsertElementInst : public Instruction {
- InsertElementInst(const InsertElementInst &IE);
InsertElementInst(Value *Vec, Value *NewElt, Value *Idx,
const Twine &NameStr = "",
Instruction *InsertBefore = 0);
InsertElementInst(Value *Vec, Value *NewElt, Value *Idx,
const Twine &NameStr, BasicBlock *InsertAtEnd);
+protected:
+ virtual InsertElementInst *clone_impl() const;
+
public:
- static InsertElementInst *Create(const InsertElementInst &IE) {
- return new(IE.getNumOperands()) InsertElementInst(IE);
- }
static InsertElementInst *Create(Value *Vec, Value *NewElt, Value *Idx,
const Twine &NameStr = "",
Instruction *InsertBefore = 0) {
static bool isValidOperands(const Value *Vec, const Value *NewElt,
const Value *Idx);
- virtual InsertElementInst *clone(LLVMContext &Context) const;
-
/// 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.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const InsertElementInst *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == Instruction::InsertElement;
}
};
template <>
-struct OperandTraits<InsertElementInst> : FixedNumOperandTraits<3> {
+struct OperandTraits<InsertElementInst> :
+ public FixedNumOperandTraits<InsertElementInst, 3> {
};
DEFINE_TRANSPARENT_OPERAND_ACCESSORS(InsertElementInst, Value)
/// input vectors.
///
class ShuffleVectorInst : public Instruction {
- ShuffleVectorInst(const ShuffleVectorInst &IE);
+protected:
+ virtual ShuffleVectorInst *clone_impl() const;
+
public:
// allocate space for exactly three operands
void *operator new(size_t s) {
static bool isValidOperands(const Value *V1, const Value *V2,
const Value *Mask);
- virtual ShuffleVectorInst *clone(LLVMContext &Context) const;
-
/// 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.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
+ Constant *getMask() const {
+ return reinterpret_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;
+ static int getMaskValue(Constant *Mask, unsigned i);
+
+ 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);
+
+ void getShuffleMask(SmallVectorImpl<int> &Result) const {
+ return getShuffleMask(getMask(), Result);
+ }
+
+ SmallVector<int, 16> getShuffleMask() const {
+ SmallVector<int, 16> Mask;
+ getShuffleMask(Mask);
+ return Mask;
+ }
+
// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const ShuffleVectorInst *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == Instruction::ShuffleVector;
}
};
template <>
-struct OperandTraits<ShuffleVectorInst> : 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
void *operator new(size_t s) {
return User::operator new(s, 1);
}
+protected:
+ 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,
+ ArrayRef<unsigned> Idxs,
const Twine &NameStr,
BasicBlock *InsertAtEnd) {
- return new ExtractValueInst(Agg, IdxBegin, IdxEnd, NameStr, InsertAtEnd);
+ return new ExtractValueInst(Agg, Idxs, 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,
- const Twine &NameStr,
- BasicBlock *InsertAtEnd) {
- unsigned Idxs[1] = { Idx };
- return new ExtractValueInst(Agg, Idxs, Idxs + 1, NameStr, InsertAtEnd);
- }
-
- virtual ExtractValueInst *clone(LLVMContext &Context) const;
-
/// 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();
}
}
// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const ExtractValueInst *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == Instruction::ExtractValue;
}
}
};
-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);
}
class InsertValueInst : public Instruction {
SmallVector<unsigned, 4> Indices;
- void *operator new(size_t, unsigned); // Do not implement
+ void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
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
Instruction *InsertBefore = 0);
InsertValueInst(Value *Agg, Value *Val, unsigned Idx,
const Twine &NameStr, BasicBlock *InsertAtEnd);
+protected:
+ virtual InsertValueInst *clone_impl() const;
public:
// allocate space for exactly two operands
void *operator new(size_t s) {
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);
}
- virtual InsertValueInst *clone(LLVMContext &Context) const;
-
/// Transparently provide more efficient getOperand methods.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
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();
}
}
// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const InsertValueInst *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == Instruction::InsertValue;
}
};
template <>
-struct OperandTraits<InsertValueInst> : 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)
// scientist's overactive imagination.
//
class PHINode : public Instruction {
- void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
+ void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
/// ReservedSpace - The number of operands actually allocated. NumOperands is
/// the number actually in use.
unsigned ReservedSpace;
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);
}
- virtual PHINode *clone(LLVMContext &Context) const;
+ 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);
+ }
- /// Provide fast operand accessors
- DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
+ 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 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 getIncomingBlock(unsigned(&U - op_begin()));
}
/// getIncomingBlock - Return incoming basic block corresponding
- /// to value use iterator
+ /// to value use iterator.
///
template <typename U>
BasicBlock *getIncomingBlock(value_use_iterator<U> I) const {
- assert(this == *I && "Iterator doesn't point to PHI's Uses?");
- return static_cast<BasicBlock*>((&I.getUse() + 1)->get());
- }
- /// getIncomingBlock - Return incoming basic block number x
- ///
- BasicBlock *getIncomingBlock(unsigned i) const {
- return static_cast<BasicBlock*>(getOperand(i*2+1));
+ return getIncomingBlock(I.getUse());
}
+
void setIncomingBlock(unsigned i, BasicBlock *BB) {
- setOperand(i*2+1, 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] = 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() == 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.
- ///
- Value *hasConstantValue(bool AllowNonDominatingInstruction = false) const;
+ Value *hasConstantValue() const;
/// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const PHINode *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == Instruction::PHI;
}
return isa<Instruction>(V) && classof(cast<Instruction>(V));
}
private:
- void resizeOperands(unsigned NumOperands);
+ void growOperands();
};
template <>
-struct OperandTraits<PHINode> : HungoffOperandTraits<2> {
+struct OperandTraits<PHINode> : public HungoffOperandTraits<2> {
};
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) LLVM_DELETED_FUNCTION;
+ // 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 accommodate 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 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
//
// NOTE: If the Value* passed is of type void then the constructor behaves as
// if it was passed NULL.
- explicit ReturnInst(Value *retVal = 0, Instruction *InsertBefore = 0);
- ReturnInst(Value *retVal, BasicBlock *InsertAtEnd);
- explicit ReturnInst(BasicBlock *InsertAtEnd);
+ explicit ReturnInst(LLVMContext &C, Value *retVal = 0,
+ Instruction *InsertBefore = 0);
+ ReturnInst(LLVMContext &C, Value *retVal, BasicBlock *InsertAtEnd);
+ explicit ReturnInst(LLVMContext &C, BasicBlock *InsertAtEnd);
+protected:
+ virtual ReturnInst *clone_impl() const;
public:
- static ReturnInst* Create(Value *retVal = 0, Instruction *InsertBefore = 0) {
- return new(!!retVal) ReturnInst(retVal, InsertBefore);
+ static ReturnInst* Create(LLVMContext &C, Value *retVal = 0,
+ Instruction *InsertBefore = 0) {
+ return new(!!retVal) ReturnInst(C, retVal, InsertBefore);
}
- static ReturnInst* Create(Value *retVal, BasicBlock *InsertAtEnd) {
- return new(!!retVal) ReturnInst(retVal, InsertAtEnd);
+ static ReturnInst* Create(LLVMContext &C, Value *retVal,
+ BasicBlock *InsertAtEnd) {
+ return new(!!retVal) ReturnInst(C, retVal, InsertAtEnd);
}
- static ReturnInst* Create(BasicBlock *InsertAtEnd) {
- return new(0) ReturnInst(InsertAtEnd);
+ static ReturnInst* Create(LLVMContext &C, BasicBlock *InsertAtEnd) {
+ return new(0) ReturnInst(C, InsertAtEnd);
}
virtual ~ReturnInst();
- virtual ReturnInst *clone(LLVMContext &Context) const;
-
/// 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; }
// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const ReturnInst *) { return true; }
static inline bool classof(const Instruction *I) {
return (I->getOpcode() == Instruction::Ret);
}
};
template <>
-struct OperandTraits<ReturnInst> : OptionalOperandTraits<> {
+struct OperandTraits<ReturnInst> : public VariadicOperandTraits<ReturnInst> {
};
DEFINE_TRANSPARENT_OPERAND_ACCESSORS(ReturnInst, Value)
BranchInst(BasicBlock *IfTrue, BasicBlock *InsertAtEnd);
BranchInst(BasicBlock *IfTrue, BasicBlock *IfFalse, Value *Cond,
BasicBlock *InsertAtEnd);
+protected:
+ 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);
- virtual BranchInst *clone(LLVMContext &Context) const;
-
bool isUnconditional() const { return getNumOperands() == 1; }
bool isConditional() const { return getNumOperands() == 3; }
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>() = 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 {
void setSuccessor(unsigned idx, BasicBlock *NewSucc) {
assert(idx < getNumSuccessors() && "Successor # out of range for Branch!");
- *(&Op<-1>() - idx) = NewSucc;
+ *(&Op<-1>() - idx) = (Value*)NewSucc;
}
+ /// \brief Swap the successors of this branch instruction.
+ ///
+ /// Swaps the successors of the branch instruction. This also swaps any
+ /// branch weight metadata associated with the instruction so that it
+ /// continues to map correctly to each operand.
+ void swapSuccessors();
+
// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const BranchInst *) { return true; }
static inline bool classof(const Instruction *I) {
return (I->getOpcode() == Instruction::Br);
}
};
template <>
-struct OperandTraits<BranchInst> : VariadicOperandTraits<1> {};
+struct OperandTraits<BranchInst> : public VariadicOperandTraits<BranchInst, 1> {
+};
DEFINE_TRANSPARENT_OPERAND_ACCESSORS(BranchInst, Value)
/// SwitchInst - Multiway switch
///
class SwitchInst : public TerminatorInst {
- void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
+ void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
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
- SwitchInst(const SwitchInst &RI);
- void init(Value *Value, BasicBlock *Default, unsigned NumCases);
- void resizeOperands(unsigned No);
+
+ // 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();
// allocate space for exactly zero operands
void *operator new(size_t s) {
return User::operator new(s, 0);
/// be specified here to make memory allocation more efficient. This
/// constructor can also autoinsert before another instruction.
SwitchInst(Value *Value, BasicBlock *Default, unsigned NumCases,
- Instruction *InsertBefore = 0);
+ Instruction *InsertBefore);
/// SwitchInst ctor - Create a new switch instruction, specifying a value to
/// switch on and a default destination. The number of additional cases can
/// constructor also autoinserts at the end of the specified BasicBlock.
SwitchInst(Value *Value, BasicBlock *Default, unsigned NumCases,
BasicBlock *InsertAtEnd);
+protected:
+ virtual SwitchInst *clone_impl() const;
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);
+
static SwitchInst *Create(Value *Value, BasicBlock *Default,
unsigned NumCases, Instruction *InsertBefore = 0) {
return new SwitchInst(Value, Default, NumCases, InsertBefore);
unsigned NumCases, BasicBlock *InsertAtEnd) {
return new SwitchInst(Value, Default, NumCases, InsertAtEnd);
}
+
~SwitchInst();
/// Provide fast operand accessors
return cast<BasicBlock>(getOperand(1));
}
- /// getNumCases - return the number of 'cases' in this switch instruction.
- /// Note that case #0 is always the default case.
- unsigned getNumCases() const {
- return getNumOperands()/2;
+ void setDefaultDest(BasicBlock *DefaultCase) {
+ setOperand(1, reinterpret_cast<Value*>(DefaultCase));
}
- /// getCaseValue - Return the specified case value. Note that case #0, the
- /// default destination, does not have a case value.
- ConstantInt *getCaseValue(unsigned i) {
- assert(i && i < getNumCases() && "Illegal case value to get!");
- return getSuccessorValue(i);
+ /// getNumCases - return the number of 'cases' in this switch instruction,
+ /// except the default case
+ unsigned getNumCases() const {
+ return getNumOperands()/2 - 1;
}
- /// getCaseValue - Return the specified case value. Note that case #0, the
- /// default destination, does not have a case value.
- const ConstantInt *getCaseValue(unsigned i) const {
- assert(i && i < getNumCases() && "Illegal case value to get!");
- return getSuccessorValue(i);
+ /// Returns a read/write iterator that points to the first
+ /// case in SwitchInst.
+ CaseIt case_begin() {
+ return CaseIt(this, 0, TheSubsets.begin());
}
-
+ /// Returns a read-only iterator that points to the first
+ /// case in the SwitchInst.
+ ConstCaseIt case_begin() const {
+ return ConstCaseIt(this, 0, TheSubsets.begin());
+ }
+
+ /// Returns a read/write iterator that points one past the last
+ /// in the SwitchInst.
+ CaseIt case_end() {
+ return CaseIt(this, getNumCases(), TheSubsets.end());
+ }
+ /// Returns a read-only iterator that points one past the last
+ /// in the SwitchInst.
+ ConstCaseIt case_end() const {
+ return ConstCaseIt(this, getNumCases(), TheSubsets.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.
+ CaseIt case_default() {
+ return CaseIt(this, DefaultPseudoIndex, TheSubsets.end());
+ }
+ ConstCaseIt case_default() const {
+ return ConstCaseIt(this, DefaultPseudoIndex, TheSubsets.end());
+ }
+
/// findCaseValue - Search all of the case values for the specified constant.
- /// If it is explicitly handled, return the case number of it, otherwise
- /// return 0 to indicate that it is handled by the default handler.
- unsigned findCaseValue(const ConstantInt *C) const {
- for (unsigned i = 1, e = getNumCases(); i != e; ++i)
- if (getCaseValue(i) == C)
+ /// 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)))
return i;
- return 0;
+ 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)))
+ 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;
ConstantInt *CI = NULL;
- for (unsigned i = 1, e = getNumCases(); i != e; ++i) {
- if (getSuccessor(i) == BB) {
+ for (CaseIt i = case_begin(), e = case_end(); i != e; ++i) {
+ if (i.getCaseSuccessor() == BB) {
if (CI) return NULL; // Multiple cases lead to BB.
- else CI = getCaseValue(i);
+ else CI = i.getCaseValue();
}
}
return CI;
}
/// 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);
-
- /// removeCase - This method removes the specified successor from the switch
- /// instruction. Note that this cannot be used to remove the default
- /// destination (successor #0).
- ///
- void removeCase(unsigned idx);
-
- virtual SwitchInst *clone(LLVMContext &Context) const;
+
+ /// 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
+ /// remaining cases at index idx and above.
+ /// Note:
+ /// This action invalidates iterators for all cases following the one removed,
+ /// including the case_end() iterator.
+ void removeCase(CaseIt& i);
unsigned getNumSuccessors() const { return getNumOperands()/2; }
BasicBlock *getSuccessor(unsigned idx) const {
}
void setSuccessor(unsigned idx, BasicBlock *NewSucc) {
assert(idx < getNumSuccessors() && "Successor # out of range for switch!");
- setOperand(idx*2+1, NewSucc);
+ 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();
+ }
- // getSuccessorValue - Return the value associated with the specified
- // successor.
- ConstantInt *getSuccessorValue(unsigned idx) const {
- assert(idx < getNumSuccessors() && "Successor # out of range!");
- return reinterpret_cast<ConstantInt*>(getOperand(idx*2));
- }
+ /// 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 SwitchInst *) { return true; }
+
static inline bool classof(const Instruction *I) {
return I->getOpcode() == Instruction::Switch;
}
};
template <>
-struct OperandTraits<SwitchInst> : HungoffOperandTraits<2> {
+struct OperandTraits<SwitchInst> : public HungoffOperandTraits<2> {
};
DEFINE_TRANSPARENT_OPERAND_ACCESSORS(SwitchInst, Value)
+//===----------------------------------------------------------------------===//
+// IndirectBrInst Class
+//===----------------------------------------------------------------------===//
+
+//===---------------------------------------------------------------------------
+/// IndirectBrInst - Indirect Branch Instruction.
+///
+class IndirectBrInst : public TerminatorInst {
+ void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
+ unsigned ReservedSpace;
+ // 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
+ IndirectBrInst(const IndirectBrInst &IBI);
+ void init(Value *Address, unsigned NumDests);
+ void growOperands();
+ // allocate space for exactly zero operands
+ void *operator new(size_t s) {
+ return User::operator new(s, 0);
+ }
+ /// 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 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
+ /// autoinserts at the end of the specified BasicBlock.
+ IndirectBrInst(Value *Address, unsigned NumDests, BasicBlock *InsertAtEnd);
+protected:
+ virtual IndirectBrInst *clone_impl() const;
+public:
+ static IndirectBrInst *Create(Value *Address, unsigned NumDests,
+ Instruction *InsertBefore = 0) {
+ return new IndirectBrInst(Address, NumDests, InsertBefore);
+ }
+ static IndirectBrInst *Create(Value *Address, unsigned NumDests,
+ BasicBlock *InsertAtEnd) {
+ 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 Instruction *I) {
+ return I->getOpcode() == Instruction::IndirectBr;
+ }
+ 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<IndirectBrInst> : public HungoffOperandTraits<1> {
+};
+
+DEFINE_TRANSPARENT_OPERAND_ACCESSORS(IndirectBrInst, Value)
+
+
//===----------------------------------------------------------------------===//
// InvokeInst Class
//===----------------------------------------------------------------------===//
/// calling convention of the call.
///
class InvokeInst : public TerminatorInst {
- AttrListPtr AttributeList;
+ AttributeSet 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>
+ /// \brief Construct an InvokeInst from a range of arguments
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>
+ /// \brief Construct an InvokeInst from a range of arguments
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);
}
- virtual InvokeInst *clone(LLVMContext &Context) const;
-
/// Provide fast operand accessors
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
+ /// getNumArgOperands - Return the number of invoke arguments.
+ ///
+ unsigned getNumArgOperands() const { return getNumOperands() - 3; }
+
+ /// getArgOperand/setArgOperand - Return/set the i-th invoke argument.
+ ///
+ Value *getArgOperand(unsigned i) const { return getOperand(i); }
+ void setArgOperand(unsigned i, Value *v) { setOperand(i, v); }
+
/// getCallingConv/setCallingConv - Get or set the calling convention of this
/// function call.
- unsigned getCallingConv() const { return SubclassData; }
- void setCallingConv(unsigned CC) {
- SubclassData = CC;
+ CallingConv::ID getCallingConv() const {
+ return static_cast<CallingConv::ID>(getSubclassDataFromInstruction());
+ }
+ void setCallingConv(CallingConv::ID CC) {
+ setInstructionSubclassData(static_cast<unsigned>(CC));
}
/// getAttributes - Return the parameter attributes for this invoke.
///
- const AttrListPtr &getAttributes() const { return AttributeList; }
+ const AttributeSet &getAttributes() const { return AttributeList; }
/// setAttributes - Set the parameter attributes for this invoke.
///
- void setAttributes(const AttrListPtr &Attrs) { AttributeList = Attrs; }
+ void setAttributes(const AttributeSet &Attrs) { AttributeList = Attrs; }
/// addAttribute - adds the attribute to the list of attributes.
void addAttribute(unsigned i, Attributes attr);
/// removeAttribute - removes the attribute from the list of attributes.
void removeAttribute(unsigned i, Attributes attr);
- /// @brief Determine whether the call or the callee has the given attribute.
- bool paramHasAttr(unsigned i, Attributes attr) const;
+ /// \brief Determine whether this call has the NoAlias attribute.
+ bool hasFnAttr(Attributes::AttrVal A) const;
- /// @brief Extract the alignment for a call or parameter (0=unknown).
+ /// \brief Determine whether the call or the callee has the given attributes.
+ bool paramHasAttr(unsigned i, Attributes::AttrVal A) const;
+
+ /// \brief Extract the alignment for a call or parameter (0=unknown).
unsigned getParamAlignment(unsigned i) const {
return AttributeList.getParamAlignment(i);
}
- /// @brief Determine if the call does not access memory.
+ /// \brief Return true if the call should not be inlined.
+ bool isNoInline() const { return hasFnAttr(Attributes::NoInline); }
+ void setIsNoInline() {
+ addAttribute(AttributeSet::FunctionIndex,
+ Attributes::get(getContext(), Attributes::NoInline));
+ }
+
+ /// \brief Determine if the call does not access memory.
bool doesNotAccessMemory() const {
- return paramHasAttr(~0, Attribute::ReadNone);
+ return hasFnAttr(Attributes::ReadNone);
}
- void setDoesNotAccessMemory(bool NotAccessMemory = true) {
- if (NotAccessMemory) addAttribute(~0, Attribute::ReadNone);
- else removeAttribute(~0, Attribute::ReadNone);
+ void setDoesNotAccessMemory() {
+ addAttribute(AttributeSet::FunctionIndex,
+ Attributes::get(getContext(), Attributes::ReadNone));
}
- /// @brief Determine if the call does not access or only reads memory.
+ /// \brief Determine if the call does not access or only reads memory.
bool onlyReadsMemory() const {
- return doesNotAccessMemory() || paramHasAttr(~0, Attribute::ReadOnly);
+ return doesNotAccessMemory() || hasFnAttr(Attributes::ReadOnly);
}
- void setOnlyReadsMemory(bool OnlyReadsMemory = true) {
- if (OnlyReadsMemory) addAttribute(~0, Attribute::ReadOnly);
- else removeAttribute(~0, Attribute::ReadOnly | Attribute::ReadNone);
+ void setOnlyReadsMemory() {
+ addAttribute(AttributeSet::FunctionIndex,
+ Attributes::get(getContext(), Attributes::ReadOnly));
}
- /// @brief Determine if the call cannot return.
- bool doesNotReturn() const {
- return paramHasAttr(~0, Attribute::NoReturn);
- }
- void setDoesNotReturn(bool DoesNotReturn = true) {
- if (DoesNotReturn) addAttribute(~0, Attribute::NoReturn);
- else removeAttribute(~0, Attribute::NoReturn);
+ /// \brief Determine if the call cannot return.
+ bool doesNotReturn() const { return hasFnAttr(Attributes::NoReturn); }
+ void setDoesNotReturn() {
+ addAttribute(AttributeSet::FunctionIndex,
+ Attributes::get(getContext(), Attributes::NoReturn));
}
- /// @brief Determine if the call cannot unwind.
- bool doesNotThrow() const {
- return paramHasAttr(~0, Attribute::NoUnwind);
- }
- void setDoesNotThrow(bool DoesNotThrow = true) {
- if (DoesNotThrow) addAttribute(~0, Attribute::NoUnwind);
- else removeAttribute(~0, Attribute::NoUnwind);
+ /// \brief Determine if the call cannot unwind.
+ bool doesNotThrow() const { return hasFnAttr(Attributes::NoUnwind); }
+ void setDoesNotThrow() {
+ addAttribute(AttributeSet::FunctionIndex,
+ Attributes::get(getContext(), Attributes::NoUnwind));
}
- /// @brief Determine if the call returns a structure through first
+ /// \brief Determine if the call returns a structure through first
/// pointer argument.
bool hasStructRetAttr() const {
// Be friendly and also check the callee.
- return paramHasAttr(1, Attribute::StructRet);
+ return paramHasAttr(1, Attributes::StructRet);
}
- /// @brief Determine if any call argument is an aggregate passed by value.
+ /// \brief Determine if any call argument is an aggregate passed by value.
bool hasByValArgument() const {
- return AttributeList.hasAttrSomewhere(Attribute::ByVal);
+ for (unsigned I = 0, E = AttributeList.getNumAttrs(); I != E; ++I)
+ if (AttributeList.getAttributesAtIndex(I).hasAttribute(Attributes::ByVal))
+ return true;
+ return false;
}
/// getCalledFunction - Return the function called, or null if this is an
/// indirect function invocation.
///
Function *getCalledFunction() const {
- return dyn_cast<Function>(getOperand(0));
+ return dyn_cast<Function>(Op<-3>());
}
/// getCalledValue - Get a pointer to the function that is invoked by this
/// instruction
- const Value *getCalledValue() const { return getOperand(0); }
- Value *getCalledValue() { return getOperand(0); }
+ const Value *getCalledValue() const { return Op<-3>(); }
+ Value *getCalledValue() { return Op<-3>(); }
+
+ /// setCalledFunction - Set the function called.
+ void setCalledFunction(Value* Fn) {
+ Op<-3>() = Fn;
+ }
// get*Dest - Return the destination basic blocks...
BasicBlock *getNormalDest() const {
- return cast<BasicBlock>(getOperand(1));
+ return cast<BasicBlock>(Op<-2>());
}
BasicBlock *getUnwindDest() const {
- return cast<BasicBlock>(getOperand(2));
+ return cast<BasicBlock>(Op<-1>());
}
void setNormalDest(BasicBlock *B) {
- setOperand(1, B);
+ Op<-2>() = reinterpret_cast<Value*>(B);
}
-
void setUnwindDest(BasicBlock *B) {
- setOperand(2, B);
+ 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();
void setSuccessor(unsigned idx, BasicBlock *NewSucc) {
assert(idx < 2 && "Successor # out of range for invoke!");
- setOperand(idx+1, NewSucc);
+ *(&Op<-2>() + idx) = reinterpret_cast<Value*>(NewSucc);
}
unsigned getNumSuccessors() const { return 2; }
// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const InvokeInst *) { return true; }
static inline bool classof(const Instruction *I) {
return (I->getOpcode() == Instruction::Invoke);
}
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);
+
+ // 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<InvokeInst> : 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)
//===----------------------------------------------------------------------===//
-// UnwindInst Class
+// ResumeInst Class
//===----------------------------------------------------------------------===//
//===---------------------------------------------------------------------------
-/// UnwindInst - Immediately exit the current function, unwinding the stack
-/// until an invoke instruction is found.
+/// ResumeInst - Resume the propagation of an exception.
///
-class UnwindInst : public TerminatorInst {
- void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
+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:
- // allocate space for exactly zero operands
- void *operator new(size_t s) {
- return User::operator new(s, 0);
+ static ResumeInst *Create(Value *Exn, Instruction *InsertBefore = 0) {
+ return new(1) ResumeInst(Exn, InsertBefore);
}
- explicit UnwindInst(Instruction *InsertBefore = 0);
- explicit UnwindInst(BasicBlock *InsertAtEnd);
+ static ResumeInst *Create(Value *Exn, BasicBlock *InsertAtEnd) {
+ return new(1) ResumeInst(Exn, InsertAtEnd);
+ }
+
+ /// Provide fast operand accessors
+ DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
- virtual UnwindInst *clone(LLVMContext &Context) const;
+ /// 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 UnwindInst *) { return true; }
static inline bool classof(const Instruction *I) {
- return I->getOpcode() == Instruction::Unwind;
+ return I->getOpcode() == Instruction::Resume;
}
static inline bool classof(const Value *V) {
return isa<Instruction>(V) && classof(cast<Instruction>(V));
virtual void setSuccessorV(unsigned idx, BasicBlock *B);
};
+template <>
+struct OperandTraits<ResumeInst> :
+ public FixedNumOperandTraits<ResumeInst, 1> {
+};
+
+DEFINE_TRANSPARENT_OPERAND_ACCESSORS(ResumeInst, Value)
+
//===----------------------------------------------------------------------===//
// UnreachableInst Class
//===----------------------------------------------------------------------===//
/// end of the block cannot be reached.
///
class UnreachableInst : public TerminatorInst {
- void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
+ void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
+protected:
+ virtual UnreachableInst *clone_impl() const;
+
public:
// allocate space for exactly zero operands
void *operator new(size_t s) {
return User::operator new(s, 0);
}
- explicit UnreachableInst(Instruction *InsertBefore = 0);
- explicit UnreachableInst(BasicBlock *InsertAtEnd);
-
- virtual UnreachableInst *clone(LLVMContext &Context) const;
+ explicit UnreachableInst(LLVMContext &C, Instruction *InsertBefore = 0);
+ explicit UnreachableInst(LLVMContext &C, BasicBlock *InsertAtEnd);
unsigned getNumSuccessors() const { return 0; }
// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const UnreachableInst *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == Instruction::Unreachable;
}
// TruncInst Class
//===----------------------------------------------------------------------===//
-/// @brief This class represents a truncation of integer types.
+/// \brief This class represents a truncation of integer types.
class TruncInst : public CastInst {
- /// Private copy constructor
- TruncInst(const TruncInst &CI)
- : CastInst(CI.getType(), Trunc, CI.getOperand(0)) {
- }
+protected:
+ /// \brief Clone an identical TruncInst
+ virtual TruncInst *clone_impl() const;
+
public:
- /// @brief Constructor with insert-before-instruction semantics
+ /// \brief Constructor with insert-before-instruction semantics
TruncInst(
Value *S, ///< The value to be truncated
- const Type *Ty, ///< The (smaller) type to truncate to
- const Twine &NameStr = "", ///< A name for the new instruction
+ 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
+ /// \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
- const Twine &NameStr, ///< A name for the new instruction
+ 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 Clone an identical TruncInst
- virtual CastInst *clone(LLVMContext &Context) const;
-
- /// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const TruncInst *) { return true; }
+ /// \brief Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const Instruction *I) {
return I->getOpcode() == Trunc;
}
// ZExtInst Class
//===----------------------------------------------------------------------===//
-/// @brief This class represents zero extension of integer types.
+/// \brief This class represents zero extension of integer types.
class ZExtInst : public CastInst {
- /// @brief Private copy constructor
- ZExtInst(const ZExtInst &CI)
- : CastInst(CI.getType(), ZExt, CI.getOperand(0)) {
- }
+protected:
+ /// \brief Clone an identical ZExtInst
+ virtual ZExtInst *clone_impl() const;
+
public:
- /// @brief Constructor with insert-before-instruction semantics
+ /// \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
- const Twine &NameStr = "", ///< A name for the new instruction
+ 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.
+ /// \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
- const Twine &NameStr, ///< A name for the new instruction
+ 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 Clone an identical ZExtInst
- virtual CastInst *clone(LLVMContext &Context) const;
-
- /// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const ZExtInst *) { return true; }
+ /// \brief Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const Instruction *I) {
return I->getOpcode() == ZExt;
}
// SExtInst Class
//===----------------------------------------------------------------------===//
-/// @brief This class represents a sign extension of integer types.
+/// \brief This class represents a sign extension of integer types.
class SExtInst : public CastInst {
- /// @brief Private copy constructor
- SExtInst(const SExtInst &CI)
- : CastInst(CI.getType(), SExt, CI.getOperand(0)) {
- }
+protected:
+ /// \brief Clone an identical SExtInst
+ virtual SExtInst *clone_impl() const;
+
public:
- /// @brief Constructor with insert-before-instruction semantics
+ /// \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
- const Twine &NameStr = "", ///< A name for the new instruction
+ 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
+ /// \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
- const Twine &NameStr, ///< A name for the new instruction
+ 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 Clone an identical SExtInst
- virtual CastInst *clone(LLVMContext &Context) const;
-
- /// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const SExtInst *) { return true; }
+ /// \brief Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const Instruction *I) {
return I->getOpcode() == SExt;
}
// FPTruncInst Class
//===----------------------------------------------------------------------===//
-/// @brief This class represents a truncation of floating point types.
+/// \brief This class represents a truncation of floating point types.
class FPTruncInst : public CastInst {
- FPTruncInst(const FPTruncInst &CI)
- : CastInst(CI.getType(), FPTrunc, CI.getOperand(0)) {
- }
+protected:
+ /// \brief Clone an identical FPTruncInst
+ virtual FPTruncInst *clone_impl() const;
+
public:
- /// @brief Constructor with insert-before-instruction semantics
+ /// \brief Constructor with insert-before-instruction semantics
FPTruncInst(
Value *S, ///< The value to be truncated
- const Type *Ty, ///< The type to truncate to
- const Twine &NameStr = "", ///< A name for the new instruction
+ 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
+ /// \brief Constructor with insert-before-instruction semantics
FPTruncInst(
Value *S, ///< The value to be truncated
- const Type *Ty, ///< The type to truncate to
- const Twine &NameStr, ///< A name for the new instruction
+ 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 Clone an identical FPTruncInst
- virtual CastInst *clone(LLVMContext &Context) const;
-
- /// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const FPTruncInst *) { return true; }
+ /// \brief Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const Instruction *I) {
return I->getOpcode() == FPTrunc;
}
// FPExtInst Class
//===----------------------------------------------------------------------===//
-/// @brief This class represents an extension of floating point types.
+/// \brief This class represents an extension of floating point types.
class FPExtInst : public CastInst {
- FPExtInst(const FPExtInst &CI)
- : CastInst(CI.getType(), FPExt, CI.getOperand(0)) {
- }
+protected:
+ /// \brief Clone an identical FPExtInst
+ virtual FPExtInst *clone_impl() const;
+
public:
- /// @brief Constructor with insert-before-instruction semantics
+ /// \brief Constructor with insert-before-instruction semantics
FPExtInst(
Value *S, ///< The value to be extended
- const Type *Ty, ///< The type to extend to
- const Twine &NameStr = "", ///< A name for the new instruction
+ 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
+ /// \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
- const Twine &NameStr, ///< A name for the new instruction
+ 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 Clone an identical FPExtInst
- virtual CastInst *clone(LLVMContext &Context) const;
-
- /// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const FPExtInst *) { return true; }
+ /// \brief Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const Instruction *I) {
return I->getOpcode() == FPExt;
}
// UIToFPInst Class
//===----------------------------------------------------------------------===//
-/// @brief This class represents a cast unsigned integer to floating point.
+/// \brief This class represents a cast unsigned integer to floating point.
class UIToFPInst : public CastInst {
- UIToFPInst(const UIToFPInst &CI)
- : CastInst(CI.getType(), UIToFP, CI.getOperand(0)) {
- }
+protected:
+ /// \brief Clone an identical UIToFPInst
+ virtual UIToFPInst *clone_impl() const;
+
public:
- /// @brief Constructor with insert-before-instruction semantics
+ /// \brief Constructor with insert-before-instruction semantics
UIToFPInst(
Value *S, ///< The value to be converted
- const Type *Ty, ///< The type to convert to
- const Twine &NameStr = "", ///< A name for the new instruction
+ 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
+ /// \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
- const Twine &NameStr, ///< A name for the new instruction
+ 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 UIToFPInst
- virtual CastInst *clone(LLVMContext &Context) const;
-
- /// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const UIToFPInst *) { return true; }
+ /// \brief Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const Instruction *I) {
return I->getOpcode() == UIToFP;
}
// SIToFPInst Class
//===----------------------------------------------------------------------===//
-/// @brief This class represents a cast from signed integer to floating point.
+/// \brief This class represents a cast from signed integer to floating point.
class SIToFPInst : public CastInst {
- SIToFPInst(const SIToFPInst &CI)
- : CastInst(CI.getType(), SIToFP, CI.getOperand(0)) {
- }
+protected:
+ /// \brief Clone an identical SIToFPInst
+ virtual SIToFPInst *clone_impl() const;
+
public:
- /// @brief Constructor with insert-before-instruction semantics
+ /// \brief Constructor with insert-before-instruction semantics
SIToFPInst(
Value *S, ///< The value to be converted
- const Type *Ty, ///< The type to convert to
- const Twine &NameStr = "", ///< A name for the new instruction
+ 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
+ /// \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
- const Twine &NameStr, ///< A name for the new instruction
+ 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 SIToFPInst
- virtual CastInst *clone(LLVMContext &Context) const;
-
- /// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const SIToFPInst *) { return true; }
+ /// \brief Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const Instruction *I) {
return I->getOpcode() == SIToFP;
}
// FPToUIInst Class
//===----------------------------------------------------------------------===//
-/// @brief This class represents a cast from floating point to unsigned integer
+/// \brief This class represents a cast from floating point to unsigned integer
class FPToUIInst : public CastInst {
- FPToUIInst(const FPToUIInst &CI)
- : CastInst(CI.getType(), FPToUI, CI.getOperand(0)) {
- }
+protected:
+ /// \brief Clone an identical FPToUIInst
+ virtual FPToUIInst *clone_impl() const;
+
public:
- /// @brief Constructor with insert-before-instruction semantics
+ /// \brief Constructor with insert-before-instruction semantics
FPToUIInst(
Value *S, ///< The value to be converted
- const Type *Ty, ///< The type to convert to
- const Twine &NameStr = "", ///< A name for the new instruction
+ 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
+ /// \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
- const Twine &NameStr, ///< A name for the new instruction
+ 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 Clone an identical FPToUIInst
- virtual CastInst *clone(LLVMContext &Context) const;
-
- /// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const FPToUIInst *) { return true; }
+ /// \brief Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const Instruction *I) {
return I->getOpcode() == FPToUI;
}
// FPToSIInst Class
//===----------------------------------------------------------------------===//
-/// @brief This class represents a cast from floating point to signed integer.
+/// \brief This class represents a cast from floating point to signed integer.
class FPToSIInst : public CastInst {
- FPToSIInst(const FPToSIInst &CI)
- : CastInst(CI.getType(), FPToSI, CI.getOperand(0)) {
- }
+protected:
+ /// \brief Clone an identical FPToSIInst
+ virtual FPToSIInst *clone_impl() const;
+
public:
- /// @brief Constructor with insert-before-instruction semantics
+ /// \brief Constructor with insert-before-instruction semantics
FPToSIInst(
Value *S, ///< The value to be converted
- const Type *Ty, ///< The type to convert to
- const Twine &NameStr = "", ///< A name for the new instruction
+ 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
+ /// \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
- const Twine &NameStr, ///< A name for the new instruction
+ 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 FPToSIInst
- virtual CastInst *clone(LLVMContext &Context) const;
-
- /// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const FPToSIInst *) { return true; }
+ /// \brief Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const Instruction *I) {
return I->getOpcode() == FPToSI;
}
// IntToPtrInst Class
//===----------------------------------------------------------------------===//
-/// @brief This class represents a cast from an integer to a pointer.
+/// \brief This class represents a cast from an integer to a pointer.
class IntToPtrInst : public CastInst {
- IntToPtrInst(const IntToPtrInst &CI)
- : CastInst(CI.getType(), IntToPtr, CI.getOperand(0)) {
- }
public:
- /// @brief Constructor with insert-before-instruction semantics
+ /// \brief Constructor with insert-before-instruction semantics
IntToPtrInst(
Value *S, ///< The value to be converted
- const Type *Ty, ///< The type to convert to
- const Twine &NameStr = "", ///< A name for the new instruction
+ 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
+ /// \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
- const Twine &NameStr, ///< A name for the new instruction
+ 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 CastInst *clone(LLVMContext &Context) const;
+ /// \brief Clone an identical IntToPtrInst
+ virtual IntToPtrInst *clone_impl() const;
+
+ /// \brief Returns the address space of this instruction's pointer type.
+ unsigned getAddressSpace() const {
+ return getType()->getPointerAddressSpace();
+ }
// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const IntToPtrInst *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == IntToPtr;
}
// PtrToIntInst Class
//===----------------------------------------------------------------------===//
-/// @brief This class represents a cast from a pointer to an integer
+/// \brief This class represents a cast from a pointer to an integer
class PtrToIntInst : public CastInst {
- PtrToIntInst(const PtrToIntInst &CI)
- : CastInst(CI.getType(), PtrToInt, CI.getOperand(0)) {
- }
+protected:
+ /// \brief Clone an identical PtrToIntInst
+ virtual PtrToIntInst *clone_impl() const;
+
public:
- /// @brief Constructor with insert-before-instruction semantics
+ /// \brief Constructor with insert-before-instruction semantics
PtrToIntInst(
Value *S, ///< The value to be converted
- const Type *Ty, ///< The type to convert to
- const Twine &NameStr = "", ///< A name for the new instruction
+ 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
+ /// \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
- const Twine &NameStr, ///< A name for the new instruction
+ 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 PtrToIntInst
- virtual CastInst *clone(LLVMContext &Context) const;
+ /// \brief Gets the pointer operand.
+ Value *getPointerOperand() { return getOperand(0); }
+ /// \brief Gets the pointer operand.
+ const Value *getPointerOperand() const { return getOperand(0); }
+ /// \brief Gets the operand index of the pointer operand.
+ static unsigned getPointerOperandIndex() { return 0U; }
+
+ /// \brief Returns the address space of the pointer operand.
+ unsigned getPointerAddressSpace() const {
+ return getPointerOperand()->getType()->getPointerAddressSpace();
+ }
// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const PtrToIntInst *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == PtrToInt;
}
// BitCastInst Class
//===----------------------------------------------------------------------===//
-/// @brief This class represents a no-op cast from one type to another.
+/// \brief This class represents a no-op cast from one type to another.
class BitCastInst : public CastInst {
- BitCastInst(const BitCastInst &CI)
- : CastInst(CI.getType(), BitCast, CI.getOperand(0)) {
- }
+protected:
+ /// \brief Clone an identical BitCastInst
+ virtual BitCastInst *clone_impl() const;
+
public:
- /// @brief Constructor with insert-before-instruction semantics
+ /// \brief Constructor with insert-before-instruction semantics
BitCastInst(
Value *S, ///< The value to be casted
- const Type *Ty, ///< The type to casted to
- const Twine &NameStr = "", ///< A name for the new instruction
+ 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
+ /// \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
- const Twine &NameStr, ///< A name for the new instruction
+ 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
);
- /// @brief Clone an identical BitCastInst
- virtual CastInst *clone(LLVMContext &Context) const;
-
// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const BitCastInst *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == BitCast;
}
projects / oota-llvm.git / blobdiff