#ifndef LLVM_INSTRUCTIONS_H
#define LLVM_INSTRUCTIONS_H
-#include "llvm/InstrTypes.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Attributes.h"
-#include "llvm/CallingConv.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>
-#include <limits.h>
namespace llvm {
+class APInt;
class ConstantInt;
class ConstantRange;
-class APInt;
+class DataLayout;
class LLVMContext;
enum AtomicOrdering {
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);
}
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 cast<PointerType>(getPointerOperand()->getType())->getAddressSpace();
+ 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;
}
/// 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;
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 cast<PointerType>(getPointerOperand()->getType())->getAddressSpace();
+ 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;
}
/// 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;
}
// 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:
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 cast<PointerType>(getPointerOperand()->getType())->getAddressSpace();
+ return getPointerOperand()->getType()->getPointerAddressSpace();
}
// 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:
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 cast<PointerType>(getPointerOperand()->getType())->getAddressSpace();
+ return getPointerOperand()->getType()->getPointerAddressSpace();
}
// 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;
}
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
/// a load instruction with the specified parameters.
///
static Type *getIndexedType(Type *Ptr, ArrayRef<Constant *> IdxList);
static Type *getIndexedType(Type *Ptr, ArrayRef<uint64_t> IdxList);
- /// getIndexedType - 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 0U; // get index for modifying correct operand.
}
- unsigned getPointerAddressSpace() const {
- return cast<PointerType>(getType())->getAddressSpace();
- }
-
/// getPointerOperandType - Method to return the pointer operand as a
/// PointerType.
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)),
- getAddressSpace(Ptr));
+ Ptr->getType()->getPointerAddressSpace());
// Vector GEP
if (Ptr->getType()->isVectorTy()) {
unsigned NumElem = cast<VectorType>(Ptr->getType())->getNumElements();
/// 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);
}
/// 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
+ /// \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
"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
"Invalid operand types for ICmp instruction");
}
- /// @brief Constructor with no-insertion semantics
+ /// \brief Constructor with no-insertion semantics
ICmpInst(
Predicate pred, ///< The predicate to use for the comparison
Value *LHS, ///< The left-hand-side of the expression
/// 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).
}
/// 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() {
setPredicate(getSwappedPredicate());
Op<0>().swap(Op<1>());
}
// 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
+ /// \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
"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
"Invalid operand types for FCmp instruction");
}
- /// @brief Constructor with no-insertion semantics
+ /// \brief Constructor with no-insertion semantics
FCmpInst(
Predicate pred, ///< The predicate to use for the comparison
Value *LHS, ///< The left-hand-side of the expression
}
/// @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 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() ||
getPredicate() == FCMP_FALSE ||
}
/// @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() {
setPredicate(getSwappedPredicate());
Op<0>().swap(Op<1>());
}
- /// @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;
}
/// 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, ArrayRef<Value *> Args, const Twine &NameStr);
void init(Value *Func, const Twine &NameStr);
/// Construct a CallInst given a range of arguments.
- /// @brief Construct a CallInst from 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
+ /// \brief Construct a CallInst from a range of arguments
inline CallInst(Value *Func, ArrayRef<Value *> Args,
const Twine &NameStr, BasicBlock *InsertAtEnd);
/// 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 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);
+ /// \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
+ /// \brief Return true if the call can return twice
bool canReturnTwice() const {
- return paramHasAttr(~0, Attribute::ReturnsTwice);
+ return hasFnAttr(Attributes::ReturnsTwice);
}
- void setCanReturnTwice(bool Value = true) {
- if (Value) addAttribute(~0, Attribute::ReturnsTwice);
- else removeAttribute(~0, Attribute::ReturnsTwice);
+ void setCanReturnTwice() {
+ addAttribute(AttributeSet::FunctionIndex,
+ Attributes::get(getContext(), Attributes::ReturnsTwice));
}
- /// @brief Determine if the call does not access memory.
+ /// \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
}
// 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;
}
// 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;
}
public:
enum ClauseType { Catch, Filter };
private:
- 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);
/// 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) { 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);
}
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:
-
- enum { ErrorIndex = UINT_MAX };
-
+
+ // 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 getNumOperands()/2 - 1;
}
- /// getCaseValue - Return the specified case value. Note that case #0, means
- /// first case, not a default case.
- ConstantInt *getCaseValue(unsigned i) {
- assert(i < getNumCases() && "Illegal case value to get!");
- return reinterpret_cast<ConstantInt*>(getOperand(2 + i*2));
+ /// Returns a read/write iterator that points to the first
+ /// case in SwitchInst.
+ CaseIt case_begin() {
+ return CaseIt(this, 0, TheSubsets.begin());
}
-
- /// getCaseValue - Return the specified case value. Note that case #0, means
- /// first case, not a default case.
- const ConstantInt *getCaseValue(unsigned i) const {
- assert(i < getNumCases() && "Illegal case value to get!");
- return reinterpret_cast<const ConstantInt*>(getOperand(2 + i*2));
+ /// Returns a read-only iterator that points to the first
+ /// case in the SwitchInst.
+ ConstCaseIt case_begin() const {
+ return ConstCaseIt(this, 0, TheSubsets.begin());
}
-
- // setSuccessorValue - Updates the value associated with the specified
- // case.
- void setCaseValue(unsigned i, ConstantInt *CaseValue) {
- assert(i < getNumCases() && "Case index # out of range!");
- setOperand(2 + i*2, reinterpret_cast<Value*>(CaseValue));
+
+ /// 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 ErrorIndex to indicate that it is handled by the default handler.
- unsigned findCaseValue(const ConstantInt *C) const {
- for (unsigned i = 0, 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 ErrorIndex;
- }
-
- /// resolveSuccessorIndex - Converts case index to index of its successor
- /// index in TerminatorInst successors collection.
- /// If CaseIndex == ErrorIndex, "default" successor will returned then.
- unsigned resolveSuccessorIndex(unsigned CaseIndex) const {
- assert((CaseIndex == ErrorIndex || CaseIndex < getNumCases()) &&
- "Case index # out of range!");
- return CaseIndex != ErrorIndex ? CaseIndex + 1 : 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();
+ }
- /// resolveCaseIndex - Converts index of successor in TerminatorInst
- /// collection to index of case that corresponds to this successor.
- unsigned resolveCaseIndex(unsigned SuccessorIndex) const {
- assert(SuccessorIndex < getNumSuccessors() &&
- "Successor index # out of range!");
- return SuccessorIndex != 0 ? SuccessorIndex - 1 : ErrorIndex;
- }
-
/// 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 = 0, e = getNumCases(); i != e; ++i) {
- if (getSuccessor(i + 1) == 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);
+
+ /// 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();
+ }
- /// Resolves successor for idx-th case.
- /// Use getCaseSuccessor instead of TerminatorInst::getSuccessor,
- /// since internal SwitchInst organization of operands/successors is
- /// hidden and may be changed in any moment.
- BasicBlock *getCaseSuccessor(unsigned idx) const {
- return getSuccessor(resolveSuccessorIndex(idx));
- }
-
- /// Set new successor for idx-th case.
- /// Use setCaseSuccessor instead of TerminatorInst::setSuccessor,
- /// since internal SwitchInst organization of operands/successors is
- /// hidden and may be changed in any moment.
- void setCaseSuccessor(unsigned idx, BasicBlock *NewSucc) {
- setSuccessor(resolveSuccessorIndex(idx), NewSucc);
- }
-
- // 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;
+ }
+ };
- // setSuccessorValue - Updates the value associated with the specified
- // successor.
- void setSuccessorValue(unsigned idx, ConstantInt* SuccessorValue) {
- assert(idx < getNumSuccessors() && "Successor # out of range!");
- setOperand(idx*2, reinterpret_cast<Value*>(SuccessorValue));
- }
+ 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;
}
/// calling convention of the call.
///
class InvokeInst : public TerminatorInst {
- AttrListPtr AttributeList;
+ AttributeSet AttributeList;
InvokeInst(const InvokeInst &BI);
void init(Value *Func, BasicBlock *IfNormal, BasicBlock *IfException,
ArrayRef<Value *> Args, const Twine &NameStr);
/// Construct an InvokeInst given a range of arguments.
///
- /// @brief Construct an InvokeInst from a range of arguments
+ /// \brief Construct an InvokeInst from a range of arguments
inline InvokeInst(Value *Func, BasicBlock *IfNormal, BasicBlock *IfException,
ArrayRef<Value *> Args, unsigned Values,
const Twine &NameStr, Instruction *InsertBefore);
/// Construct an InvokeInst given a range of arguments.
///
- /// @brief Construct an InvokeInst from a range of arguments
+ /// \brief Construct an InvokeInst from a range of arguments
inline InvokeInst(Value *Func, BasicBlock *IfNormal, BasicBlock *IfException,
ArrayRef<Value *> Args, unsigned Values,
const Twine &NameStr, BasicBlock *InsertAtEnd);
/// 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 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 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);
+ /// \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.
+ /// \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
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
//===----------------------------------------------------------------------===//
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;
}
// TruncInst Class
//===----------------------------------------------------------------------===//
-/// @brief This class represents a truncation of integer types.
+/// \brief This class represents a truncation of integer types.
class TruncInst : public CastInst {
protected:
- /// @brief Clone an identical TruncInst
+ /// \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
Type *Ty, ///< The (smaller) type to truncate to
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
Type *Ty, ///< The (smaller) type to truncate to
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
- /// @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 {
protected:
- /// @brief Clone an identical ZExtInst
+ /// \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
Type *Ty, ///< The type to zero extend to
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
Type *Ty, ///< The type to zero extend to
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
- /// @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 {
protected:
- /// @brief Clone an identical SExtInst
+ /// \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
Type *Ty, ///< The type to sign extend to
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
Type *Ty, ///< The type to sign extend to
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
- /// @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 {
protected:
- /// @brief Clone an identical FPTruncInst
+ /// \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
Type *Ty, ///< The type to truncate to
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
Type *Ty, ///< The type to truncate to
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
- /// @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 {
protected:
- /// @brief Clone an identical FPExtInst
+ /// \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
Type *Ty, ///< The type to extend to
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
Type *Ty, ///< The type to extend to
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
- /// @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 {
protected:
- /// @brief Clone an identical UIToFPInst
+ /// \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
Type *Ty, ///< The type to convert to
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
Type *Ty, ///< The type to convert to
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
- /// @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 {
protected:
- /// @brief Clone an identical SIToFPInst
+ /// \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
Type *Ty, ///< The type to convert to
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
Type *Ty, ///< The type to convert to
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
- /// @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 {
protected:
- /// @brief Clone an identical FPToUIInst
+ /// \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
Type *Ty, ///< The type to convert to
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
Type *Ty, ///< The type to convert to
BasicBlock *InsertAtEnd ///< Where to insert the new instruction
);
- /// @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 {
protected:
- /// @brief Clone an identical FPToSIInst
+ /// \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
Type *Ty, ///< The type to convert to
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
Type *Ty, ///< The type to convert to
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
- /// @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 {
public:
- /// @brief Constructor with insert-before-instruction semantics
+ /// \brief Constructor with insert-before-instruction semantics
IntToPtrInst(
Value *S, ///< The value to be converted
Type *Ty, ///< The type to convert to
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
Type *Ty, ///< The type to convert to
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
- /// @brief Clone an identical IntToPtrInst
+ /// \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 {
protected:
- /// @brief Clone an identical PtrToIntInst
+ /// \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
Type *Ty, ///< The type to convert to
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
Type *Ty, ///< The type to convert to
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
);
+ /// \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 {
protected:
- /// @brief Clone an identical BitCastInst
+ /// \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
Type *Ty, ///< The type to casted to
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
Type *Ty, ///< The type to casted to
);
// 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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