#include "llvm/DerivedTypes.h"
#include "llvm/Attributes.h"
#include "llvm/CallingConv.h"
+#include "llvm/Support/IntegersSubset.h"
+#include "llvm/Support/IntegersSubsetMapping.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Support/ErrorHandling.h"
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);
}
LoadInst(Value *Ptr, const Twine &NameStr, BasicBlock *InsertAtEnd);
LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile = false,
Instruction *InsertBefore = 0);
- LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile,
- unsigned Align, Instruction *InsertBefore = 0);
LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile,
BasicBlock *InsertAtEnd);
+ LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile,
+ unsigned Align, Instruction *InsertBefore = 0);
LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile,
unsigned Align, BasicBlock *InsertAtEnd);
+ LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile,
+ unsigned Align, AtomicOrdering Order,
+ SynchronizationScope SynchScope = CrossThread,
+ Instruction *InsertBefore = 0);
+ LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile,
+ unsigned Align, AtomicOrdering Order,
+ SynchronizationScope SynchScope,
+ BasicBlock *InsertAtEnd);
LoadInst(Value *Ptr, const char *NameStr, Instruction *InsertBefore);
LoadInst(Value *Ptr, const char *NameStr, BasicBlock *InsertAtEnd);
/// getAlignment - Return the alignment of the access that is being performed
///
unsigned getAlignment() const {
- return (1 << (getSubclassDataFromInstruction() >> 1)) >> 1;
+ return (1 << ((getSubclassDataFromInstruction() >> 1) & 31)) >> 1;
}
void setAlignment(unsigned Align);
+ /// Returns the ordering effect of this fence.
+ AtomicOrdering getOrdering() const {
+ return AtomicOrdering((getSubclassDataFromInstruction() >> 7) & 7);
+ }
+
+ /// Set the ordering constraint on this load. May not be Release or
+ /// AcquireRelease.
+ void setOrdering(AtomicOrdering Ordering) {
+ setInstructionSubclassData((getSubclassDataFromInstruction() & ~(7 << 7)) |
+ (Ordering << 7));
+ }
+
+ SynchronizationScope getSynchScope() const {
+ return SynchronizationScope((getSubclassDataFromInstruction() >> 6) & 1);
+ }
+
+ /// Specify whether this load is ordered with respect to all
+ /// concurrently executing threads, or only with respect to signal handlers
+ /// executing in the same thread.
+ void setSynchScope(SynchronizationScope xthread) {
+ setInstructionSubclassData((getSubclassDataFromInstruction() & ~(1 << 6)) |
+ (xthread << 6));
+ }
+
+ bool isAtomic() const { return getOrdering() != NotAtomic; }
+ void setAtomic(AtomicOrdering Ordering,
+ SynchronizationScope SynchScope = CrossThread) {
+ setOrdering(Ordering);
+ setSynchScope(SynchScope);
+ }
+
+ bool isSimple() const { return !isAtomic() && !isVolatile(); }
+ bool isUnordered() const {
+ return getOrdering() <= Unordered && !isVolatile();
+ }
+
Value *getPointerOperand() { return getOperand(0); }
const Value *getPointerOperand() const { return getOperand(0); }
static unsigned getPointerOperandIndex() { return 0U; }
// 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;
}
/// StoreInst - an instruction for storing to memory
///
class StoreInst : public Instruction {
- void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
+ void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
void AssertOK();
protected:
virtual StoreInst *clone_impl() const;
StoreInst(Value *Val, Value *Ptr, BasicBlock *InsertAtEnd);
StoreInst(Value *Val, Value *Ptr, bool isVolatile = false,
Instruction *InsertBefore = 0);
+ StoreInst(Value *Val, Value *Ptr, bool isVolatile, BasicBlock *InsertAtEnd);
StoreInst(Value *Val, Value *Ptr, bool isVolatile,
unsigned Align, Instruction *InsertBefore = 0);
- StoreInst(Value *Val, Value *Ptr, bool isVolatile, BasicBlock *InsertAtEnd);
StoreInst(Value *Val, Value *Ptr, bool isVolatile,
unsigned Align, BasicBlock *InsertAtEnd);
+ StoreInst(Value *Val, Value *Ptr, bool isVolatile,
+ unsigned Align, AtomicOrdering Order,
+ SynchronizationScope SynchScope = CrossThread,
+ Instruction *InsertBefore = 0);
+ StoreInst(Value *Val, Value *Ptr, bool isVolatile,
+ unsigned Align, AtomicOrdering Order,
+ SynchronizationScope SynchScope,
+ BasicBlock *InsertAtEnd);
+
-
- /// isVolatile - Return true if this is a load from a volatile memory
+ /// isVolatile - Return true if this is a store to a volatile memory
/// location.
///
bool isVolatile() const { return getSubclassDataFromInstruction() & 1; }
- /// setVolatile - Specify whether this is a volatile load or not.
+ /// setVolatile - Specify whether this is a volatile store or not.
///
void setVolatile(bool V) {
setInstructionSubclassData((getSubclassDataFromInstruction() & ~1) |
/// getAlignment - Return the alignment of the access that is being performed
///
unsigned getAlignment() const {
- return (1 << (getSubclassDataFromInstruction() >> 1)) >> 1;
+ return (1 << ((getSubclassDataFromInstruction() >> 1) & 31)) >> 1;
}
void setAlignment(unsigned Align);
+ /// Returns the ordering effect of this store.
+ AtomicOrdering getOrdering() const {
+ return AtomicOrdering((getSubclassDataFromInstruction() >> 7) & 7);
+ }
+
+ /// Set the ordering constraint on this store. May not be Acquire or
+ /// AcquireRelease.
+ void setOrdering(AtomicOrdering Ordering) {
+ setInstructionSubclassData((getSubclassDataFromInstruction() & ~(7 << 7)) |
+ (Ordering << 7));
+ }
+
+ SynchronizationScope getSynchScope() const {
+ return SynchronizationScope((getSubclassDataFromInstruction() >> 6) & 1);
+ }
+
+ /// Specify whether this store instruction is ordered with respect to all
+ /// concurrently executing threads, or only with respect to signal handlers
+ /// executing in the same thread.
+ void setSynchScope(SynchronizationScope xthread) {
+ setInstructionSubclassData((getSubclassDataFromInstruction() & ~(1 << 6)) |
+ (xthread << 6));
+ }
+
+ bool isAtomic() const { return getOrdering() != NotAtomic; }
+ void setAtomic(AtomicOrdering Ordering,
+ SynchronizationScope SynchScope = CrossThread) {
+ setOrdering(Ordering);
+ setSynchScope(SynchScope);
+ }
+
+ bool isSimple() const { return !isAtomic() && !isVolatile(); }
+ bool isUnordered() const {
+ return getOrdering() <= Unordered && !isVolatile();
+ }
+
Value *getValueOperand() { return getOperand(0); }
const Value *getValueOperand() const { return getOperand(0); }
static unsigned getPointerOperandIndex() { return 1U; }
unsigned getPointerAddressSpace() const {
- return cast<PointerType>(getPointerOperand()->getType())->getAddressSpace();
+ if (getPointerOperand()->getType()->isPointerTy())
+ return cast<PointerType>(getPointerOperand()->getType())
+ ->getAddressSpace();
+ if (getPointerOperand()->getType()->isVectorTy()
+ && cast<VectorType>(getPointerOperand()->getType())->isPointerTy())
+ return cast<PointerType>(cast<VectorType>(
+ getPointerOperand()->getType())->getElementType())
+ ->getAddressSpace();
+ llvm_unreachable("Only a vector of pointers or pointers can be used!");
+ return 0;
}
// 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;
}
/// FenceInst - an instruction for ordering other memory operations
///
class FenceInst : public Instruction {
- void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
+ void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
void Init(AtomicOrdering Ordering, SynchronizationScope SynchScope);
protected:
virtual FenceInst *clone_impl() const;
/// Set the ordering constraint on this fence. May only be Acquire, Release,
/// AcquireRelease, or SequentiallyConsistent.
void setOrdering(AtomicOrdering Ordering) {
- switch (Ordering) {
- case Acquire:
- case Release:
- case AcquireRelease:
- case SequentiallyConsistent:
- setInstructionSubclassData((getSubclassDataFromInstruction() & 1) |
- (Ordering << 1));
- return;
- default:
- llvm_unreachable("FenceInst ordering must be Acquire, Release,"
- " AcquireRelease, or SequentiallyConsistent");
- }
+ setInstructionSubclassData((getSubclassDataFromInstruction() & 1) |
+ (Ordering << 1));
}
SynchronizationScope getSynchScope() const {
}
// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const FenceInst *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == Instruction::Fence;
}
/// there. Returns the value that was loaded.
///
class AtomicCmpXchgInst : public Instruction {
- void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
+ void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
void Init(Value *Ptr, Value *Cmp, Value *NewVal,
AtomicOrdering Ordering, SynchronizationScope SynchScope);
protected:
}
// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const AtomicCmpXchgInst *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == Instruction::AtomicCmpXchg;
}
/// the old value.
///
class AtomicRMWInst : public Instruction {
- void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
+ void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
protected:
virtual AtomicRMWInst *clone_impl() const;
public:
void setOrdering(AtomicOrdering Ordering) {
assert(Ordering != NotAtomic &&
"atomicrmw instructions can only be atomic.");
- setInstructionSubclassData((getSubclassDataFromInstruction() & ~28) |
+ setInstructionSubclassData((getSubclassDataFromInstruction() & ~(7 << 2)) |
(Ordering << 2));
}
/// Returns the ordering constraint on this RMW.
AtomicOrdering getOrdering() const {
- return AtomicOrdering((getSubclassDataFromInstruction() & 28) >> 2);
+ return AtomicOrdering((getSubclassDataFromInstruction() >> 2) & 7);
}
/// Returns whether this RMW is atomic between threads or only within a
}
// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const AtomicRMWInst *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == Instruction::AtomicRMW;
}
// checkGEPType - Simple wrapper function to give a better assertion failure
// message on bad indexes for a gep instruction.
//
-static inline Type *checkGEPType(Type *Ty) {
+inline Type *checkGEPType(Type *Ty) {
assert(Ty && "Invalid GetElementPtrInst indices for type!");
return Ty;
}
static Type *getIndexedType(Type *Ptr, ArrayRef<Constant *> IdxList);
static Type *getIndexedType(Type *Ptr, ArrayRef<uint64_t> IdxList);
+ /// getAddressSpace - Returns the address space used by the GEP pointer.
+ ///
+ static unsigned getAddressSpace(Value *Ptr);
+
inline op_iterator idx_begin() { return op_begin()+1; }
inline const_op_iterator idx_begin() const { return op_begin()+1; }
inline op_iterator idx_end() { return op_end(); }
return getOperand(0);
}
static unsigned getPointerOperandIndex() {
- return 0U; // get index for modifying correct operand
+ return 0U; // get index for modifying correct operand.
}
unsigned getPointerAddressSpace() const {
- return cast<PointerType>(getType())->getAddressSpace();
+ return cast<PointerType>(getPointerOperandType())->getAddressSpace();
}
/// getPointerOperandType - Method to return the pointer operand as a
/// PointerType.
- PointerType *getPointerOperandType() const {
- return reinterpret_cast<PointerType*>(getPointerOperand()->getType());
+ Type *getPointerOperandType() const {
+ return getPointerOperand()->getType();
}
+ /// 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)),
+ getAddressSpace(Ptr));
+ // 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;
bool isInBounds() 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);
}
unsigned Values,
const Twine &NameStr,
Instruction *InsertBefore)
- : Instruction(PointerType::get(checkGEPType(
- getIndexedType(Ptr->getType(), IdxList)),
- cast<PointerType>(Ptr->getType())
- ->getAddressSpace()),
+ : Instruction(getGEPReturnType(Ptr, IdxList),
GetElementPtr,
OperandTraits<GetElementPtrInst>::op_end(this) - Values,
Values, InsertBefore) {
unsigned Values,
const Twine &NameStr,
BasicBlock *InsertAtEnd)
- : Instruction(PointerType::get(checkGEPType(
- getIndexedType(Ptr->getType(), IdxList)),
- cast<PointerType>(Ptr->getType())
- ->getAddressSpace()),
+ : Instruction(getGEPReturnType(Ptr, IdxList),
GetElementPtr,
OperandTraits<GetElementPtrInst>::op_end(this) - Values,
Values, InsertAtEnd) {
"Both operands to ICmp instruction are not of the same type!");
// Check that the operands are the right type
assert((getOperand(0)->getType()->isIntOrIntVectorTy() ||
- getOperand(0)->getType()->isPointerTy()) &&
+ getOperand(0)->getType()->getScalarType()->isPointerTy()) &&
"Invalid operand types for ICmp instruction");
}
"Both operands to ICmp instruction are not of the same type!");
// Check that the operands are the right type
assert((getOperand(0)->getType()->isIntOrIntVectorTy() ||
- getOperand(0)->getType()->isPointerTy()) &&
+ getOperand(0)->getType()->getScalarType()->isPointerTy()) &&
"Invalid operand types for ICmp instruction");
}
}
// 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;
}
}
/// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const FCmpInst *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == Instruction::FCmp;
}
/// 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).
unsigned getParamAlignment(unsigned i) const {
}
/// @brief Return true if the call should not be inlined.
- bool isNoInline() const { return paramHasAttr(~0, Attribute::NoInline); }
- void setIsNoInline(bool Value = true) {
- if (Value) addAttribute(~0, Attribute::NoInline);
- else removeAttribute(~0, Attribute::NoInline);
+ bool isNoInline() const { return hasFnAttr(Attributes::NoInline); }
+ void setIsNoInline() {
+ AttrBuilder B;
+ B.addAttribute(Attributes::NoInline);
+ addAttribute(AttrListPtr::FunctionIndex, Attributes::get(getContext(), B));
+ }
+
+ /// @brief Return true if the call can return twice
+ bool canReturnTwice() const {
+ return hasFnAttr(Attributes::ReturnsTwice);
+ }
+ void setCanReturnTwice() {
+ AttrBuilder B;
+ B.addAttribute(Attributes::ReturnsTwice);
+ addAttribute(AttrListPtr::FunctionIndex, Attributes::get(getContext(), B));
}
/// @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() {
+ AttrBuilder B;
+ B.addAttribute(Attributes::ReadNone);
+ addAttribute(AttrListPtr::FunctionIndex, Attributes::get(getContext(), B));
}
/// @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() {
+ AttrBuilder B;
+ B.addAttribute(Attributes::ReadOnly);
+ addAttribute(AttrListPtr::FunctionIndex, Attributes::get(getContext(), B));
}
/// @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);
+ bool doesNotReturn() const { return hasFnAttr(Attributes::NoReturn); }
+ void setDoesNotReturn() {
+ AttrBuilder B;
+ B.addAttribute(Attributes::NoReturn);
+ addAttribute(AttrListPtr::FunctionIndex, Attributes::get(getContext(), B));
}
/// @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);
+ bool doesNotThrow() const { return hasFnAttr(Attributes::NoUnwind); }
+ void setDoesNotThrow() {
+ AttrBuilder B;
+ B.addAttribute(Attributes::NoUnwind);
+ addAttribute(AttrListPtr::FunctionIndex, Attributes::get(getContext(), B));
}
/// @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.
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
}
// 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;
}
}
// 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;
}
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;
}
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;
}
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;
}
/// 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;
}
}
// 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;
}
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, ArrayRef<unsigned> Idxs,
const Twine &NameStr);
}
// 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;
}
// 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;
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;
}
/// 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.
+/// 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;
-
- /// IsCleanup - True if the landingpad instruction is also a cleanup.
- bool IsCleanup;
LandingPadInst(const LandingPadInst &LP);
public:
enum ClauseType { Catch, Filter };
private:
- /// ClauseIdxs - This indexes into the OperandList, indicating what the
- /// values are at a given index.
- SmallVector<ClauseType, 8> ClauseIdxs;
-
- void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
+ 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();
- void init(Function *PersFn, unsigned NumReservedValues, const Twine &NameStr);
+ void growOperands(unsigned Size);
+ void init(Value *PersFn, unsigned NumReservedValues, const Twine &NameStr);
- explicit LandingPadInst(Type *RetTy, Function *PersonalityFn,
+ explicit LandingPadInst(Type *RetTy, Value *PersonalityFn,
unsigned NumReservedValues, const Twine &NameStr,
- Instruction *InsertBefore)
- : Instruction(RetTy, Instruction::LandingPad, 0, 0, InsertBefore),
- IsCleanup(false) {
- init(PersonalityFn, 1 + NumReservedValues, NameStr);
- }
- explicit LandingPadInst(Type *RetTy, Function *PersonalityFn,
+ Instruction *InsertBefore);
+ explicit LandingPadInst(Type *RetTy, Value *PersonalityFn,
unsigned NumReservedValues, const Twine &NameStr,
- BasicBlock *InsertAtEnd)
- : Instruction(RetTy, Instruction::LandingPad, 0, 0, InsertAtEnd),
- IsCleanup(false) {
- init(PersonalityFn, 1 + NumReservedValues, NameStr);
- }
+ BasicBlock *InsertAtEnd);
protected:
virtual LandingPadInst *clone_impl() const;
public:
- static LandingPadInst *Create(Type *RetTy, Function *PersonalityFn,
- unsigned NumReservedValues,
+ /// 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) {
- return new LandingPadInst(RetTy, PersonalityFn, NumReservedValues, NameStr,
- InsertBefore);
- }
- static LandingPadInst *Create(Type *RetTy, Function *PersonalityFn,
- unsigned NumReservedValues,
- const Twine &NameStr, BasicBlock *InsertAtEnd) {
- return new LandingPadInst(RetTy, PersonalityFn, NumReservedValues, NameStr,
- InsertAtEnd);
- }
+ Instruction *InsertBefore = 0);
+ static LandingPadInst *Create(Type *RetTy, Value *PersonalityFn,
+ unsigned NumReservedClauses,
+ const Twine &NameStr, BasicBlock *InsertAtEnd);
~LandingPadInst();
/// Provide fast operand accessors
/// getPersonalityFn - Get the personality function associated with this
/// landing pad.
- const Function *getPersonalityFn() const {
- return cast<Function>(getOperand(0));
+ 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));
}
- // Simple accessors.
- bool isCleanup() const { return IsCleanup; }
- void setCleanup(bool Val) { IsCleanup = Val; }
+ /// addClause - Add a catch or filter clause to the landing pad.
+ void addClause(Value *ClauseVal);
- /// addClause - Add a clause to the landing pad.
- void addClause(ClauseType CT, Constant *ClauseVal);
+ /// getClause - Get the value of the clause at index Idx. Use isCatch/isFilter
+ /// to determine what type of clause this is.
+ Value *getClause(unsigned Idx) const { return OperandList[Idx + 1]; }
- /// getClauseType - Return the type of the clause at this index. The two
- /// supported clauses are Catch and Filter.
- ClauseType getClauseType(unsigned I) const {
- assert(I < ClauseIdxs.size() && "Index too large!");
- return ClauseIdxs[I];
+ /// 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());
}
- /// getClauseValue - Return the value of the clause at this index.
- Constant *getClauseValue(unsigned I) const {
- assert(I + 1 < getNumOperands() && "Index too large!");
- return cast<Constant>(OperandList[I + 1]);
+ /// isFilter - Return 'true' if the clause and index Idx is a filter clause.
+ bool isFilter(unsigned Idx) const {
+ return isa<ArrayType>(OperandList[Idx + 1]->getType());
}
/// getNumClauses - Get the number of clauses for this landing pad.
unsigned getNumClauses() const { return getNumOperands() - 1; }
- /// reserveClauses - Grow the size of the operand list to accomodate the new
+ /// reserveClauses - Grow the size of the operand list to accommodate the new
/// number of clauses.
- void reserveClauses(unsigned Size);
+ void reserveClauses(unsigned Size) { growOperands(Size); }
// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const LandingPadInst *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == Instruction::LandingPad;
}
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);
}
*(&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);
}
/// 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
+
+ // 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();
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). Also note that this operation may reorder the
+
+ /// 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.
- ///
- void removeCase(unsigned idx);
+ /// 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 {
assert(idx < getNumSuccessors() && "Successor # out of range for switch!");
setOperand(idx*2+1, (Value*)NewSucc);
}
+
+ uint16_t hash() const {
+ uint32_t NumberOfCases = (uint32_t)getNumCases();
+ uint16_t Hash = (0xFFFF & NumberOfCases) ^ (NumberOfCases >> 16);
+ for (ConstCaseIt i = case_begin(), e = case_end();
+ i != e; ++i) {
+ uint32_t NumItems = (uint32_t)i.getCaseValueEx().getNumItems();
+ Hash = (Hash << 1) ^ (0xFFFF & NumItems) ^ (NumItems >> 16);
+ }
+ return Hash;
+ }
+
+ // Case iterators definition.
+
+ template <class SwitchInstTy, class ConstantIntTy,
+ class SubsetsItTy, class BasicBlockTy>
+ class CaseIteratorT {
+ protected:
+
+ SwitchInstTy *SI;
+ unsigned long Index;
+ SubsetsItTy SubsetIt;
+
+ /// Initializes case iterator for given SwitchInst and for given
+ /// case number.
+ friend class SwitchInst;
+ CaseIteratorT(SwitchInstTy *SI, unsigned SuccessorIndex,
+ SubsetsItTy CaseValueIt) {
+ this->SI = SI;
+ Index = SuccessorIndex;
+ this->SubsetIt = CaseValueIt;
+ }
+
+ public:
+ typedef typename SubsetsItTy::reference IntegersSubsetRef;
+ typedef CaseIteratorT<SwitchInstTy, ConstantIntTy,
+ SubsetsItTy, BasicBlockTy> Self;
+
+ CaseIteratorT(SwitchInstTy *SI, unsigned CaseNum) {
+ this->SI = SI;
+ Index = CaseNum;
+ SubsetIt = SI->TheSubsets.begin();
+ std::advance(SubsetIt, CaseNum);
+ }
+
+
+ /// Initializes case iterator for given SwitchInst and for given
+ /// TerminatorInst's successor index.
+ static Self fromSuccessorIndex(SwitchInstTy *SI, unsigned SuccessorIndex) {
+ assert(SuccessorIndex < SI->getNumSuccessors() &&
+ "Successor index # out of range!");
+ return SuccessorIndex != 0 ?
+ Self(SI, SuccessorIndex - 1) :
+ Self(SI, DefaultPseudoIndex);
+ }
+
+ /// Resolves case value for current case.
+ /// @deprecated
+ ConstantIntTy *getCaseValue() {
+ assert(Index < SI->getNumCases() && "Index out the number of cases.");
+ IntegersSubsetRef CaseRanges = *SubsetIt;
+
+ // FIXME: Currently we work with ConstantInt based cases.
+ // So return CaseValue as ConstantInt.
+ return CaseRanges.getSingleNumber(0).toConstantInt();
+ }
- // 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;
}
/// IndirectBrInst - Indirect Branch Instruction.
///
class IndirectBrInst : public TerminatorInst {
- void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
+ void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
unsigned ReservedSpace;
// Operand[0] = Value to switch on
// Operand[1] = Default basic block destination
}
// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const IndirectBrInst *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == Instruction::IndirectBr;
}
/// 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 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 {
}
/// @brief Return true if the call should not be inlined.
- bool isNoInline() const { return paramHasAttr(~0, Attribute::NoInline); }
- void setIsNoInline(bool Value = true) {
- if (Value) addAttribute(~0, Attribute::NoInline);
- else removeAttribute(~0, Attribute::NoInline);
+ bool isNoInline() const { return hasFnAttr(Attributes::NoInline); }
+ void setIsNoInline() {
+ AttrBuilder B;
+ B.addAttribute(Attributes::NoInline);
+ addAttribute(AttrListPtr::FunctionIndex, Attributes::get(getContext(), B));
}
/// @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() {
+ AttrBuilder B;
+ B.addAttribute(Attributes::ReadNone);
+ addAttribute(AttrListPtr::FunctionIndex, Attributes::get(getContext(), B));
}
/// @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() {
+ AttrBuilder B;
+ B.addAttribute(Attributes::ReadOnly);
+ addAttribute(AttrListPtr::FunctionIndex, Attributes::get(getContext(), B));
}
/// @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);
+ bool doesNotReturn() const { return hasFnAttr(Attributes::NoReturn); }
+ void setDoesNotReturn() {
+ AttrBuilder B;
+ B.addAttribute(Attributes::NoReturn);
+ addAttribute(AttrListPtr::FunctionIndex, Attributes::get(getContext(), B));
}
/// @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);
+ bool doesNotThrow() const { return hasFnAttr(Attributes::NoUnwind); }
+ void setDoesNotThrow() {
+ AttrBuilder B;
+ B.addAttribute(Attributes::NoUnwind);
+ addAttribute(AttrListPtr::FunctionIndex, Attributes::get(getContext(), B));
}
/// @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.
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
Op<-1>() = reinterpret_cast<Value*>(B);
}
- // getLandingPad - Get the landingpad instruction from the landing pad block
- // (the unwind destination).
- LandingPadInst *getLandingPad() const;
+ /// 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!");
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);
}
DEFINE_TRANSPARENT_OPERAND_ACCESSORS(InvokeInst, Value)
-//===----------------------------------------------------------------------===//
-// UnwindInst Class
-//===----------------------------------------------------------------------===//
-
-//===---------------------------------------------------------------------------
-/// UnwindInst - Immediately exit the current function, unwinding the stack
-/// until an invoke instruction is found.
-///
-class UnwindInst : public TerminatorInst {
- void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
-protected:
- virtual UnwindInst *clone_impl() const;
-public:
- // allocate space for exactly zero operands
- void *operator new(size_t s) {
- return User::operator new(s, 0);
- }
- explicit UnwindInst(LLVMContext &C, Instruction *InsertBefore = 0);
- explicit UnwindInst(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 UnwindInst *) { return true; }
- static inline bool classof(const Instruction *I) {
- return I->getOpcode() == Instruction::Unwind;
- }
- 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);
-};
-
//===----------------------------------------------------------------------===//
// ResumeInst Class
//===----------------------------------------------------------------------===//
class ResumeInst : public TerminatorInst {
ResumeInst(const ResumeInst &RI);
- explicit ResumeInst(LLVMContext &C, Value *Exn, Instruction *InsertBefore=0);
- ResumeInst(LLVMContext &C, Value *Exn, BasicBlock *InsertAtEnd);
+ explicit ResumeInst(Value *Exn, Instruction *InsertBefore=0);
+ ResumeInst(Value *Exn, BasicBlock *InsertAtEnd);
protected:
virtual ResumeInst *clone_impl() const;
public:
- static ResumeInst *Create(LLVMContext &C, Value *Exn,
- Instruction *InsertBefore = 0) {
- return new(1) ResumeInst(C, Exn, InsertBefore);
+ static ResumeInst *Create(Value *Exn, Instruction *InsertBefore = 0) {
+ return new(1) ResumeInst(Exn, InsertBefore);
}
- static ResumeInst *Create(LLVMContext &C, Value *Exn,
- BasicBlock *InsertAtEnd) {
- return new(1) ResumeInst(C, Exn, InsertAtEnd);
+ static ResumeInst *Create(Value *Exn, BasicBlock *InsertAtEnd) {
+ return new(1) ResumeInst(Exn, InsertAtEnd);
}
/// Provide fast operand accessors
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
/// Convenience accessor.
- Value *getResumeValue() const { return Op<0>(); }
+ Value *getValue() const { return Op<0>(); }
unsigned getNumSuccessors() const { return 0; }
// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const ResumeInst *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == Instruction::Resume;
}
/// 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;
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;
}
);
/// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const TruncInst *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == Trunc;
}
);
/// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const ZExtInst *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == ZExt;
}
);
/// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const SExtInst *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == SExt;
}
);
/// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const FPTruncInst *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == FPTrunc;
}
);
/// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const FPExtInst *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == FPExt;
}
);
/// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const UIToFPInst *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == UIToFP;
}
);
/// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const SIToFPInst *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == SIToFP;
}
);
/// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const FPToUIInst *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == FPToUI;
}
);
/// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const FPToSIInst *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == FPToSI;
}
/// @brief Clone an identical IntToPtrInst
virtual IntToPtrInst *clone_impl() const;
+ /// @brief return the address space of the pointer.
+ unsigned getAddressSpace() const {
+ if (getType()->isPointerTy())
+ return cast<PointerType>(getType())->getAddressSpace();
+ if (getType()->isVectorTy() &&
+ cast<VectorType>(getType())->getElementType()->isPointerTy())
+ return cast<PointerType>(
+ cast<VectorType>(getType())->getElementType())
+ ->getAddressSpace();
+ llvm_unreachable("Must be a pointer or a vector of pointers.");
+ return 0;
+ }
+
// 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;
}
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
+ /// @brief return the address space of the pointer.
+ unsigned getPointerAddressSpace() const {
+ Type *Ty = getOperand(0)->getType();
+ if (Ty->isPointerTy())
+ return cast<PointerType>(Ty)->getAddressSpace();
+ if (Ty->isVectorTy()
+ && cast<VectorType>(Ty)->getElementType()->isPointerTy())
+ return cast<PointerType>(
+ cast<VectorType>(Ty)->getElementType())
+ ->getAddressSpace();
+ llvm_unreachable("Must be a pointer or a vector of pointers.");
+ return 0;
+ }
+
// 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;
}
);
// 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;
}
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