//===-- llvm/Instructions.h - Instruction subclass definitions --*- C++ -*-===//
-//
+//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
-//
+//
//===----------------------------------------------------------------------===//
//
// This file exposes the class definitions of all of the subclasses of the
namespace llvm {
class BasicBlock;
+class ConstantInt;
class PointerType;
//===----------------------------------------------------------------------===//
/// AllocaInst.
///
class AllocationInst : public UnaryInstruction {
+ unsigned Alignment;
protected:
- AllocationInst(const Type *Ty, Value *ArraySize, unsigned iTy,
- const std::string &Name = "", Instruction *InsertBefore = 0);
- AllocationInst(const Type *Ty, Value *ArraySize, unsigned iTy,
- const std::string &Name, BasicBlock *InsertAtEnd);
+ AllocationInst(const Type *Ty, Value *ArraySize, unsigned iTy, unsigned Align,
+ const std::string &Name = "", Instruction *InsertBefore = 0);
+ AllocationInst(const Type *Ty, Value *ArraySize, unsigned iTy, unsigned Align,
+ const std::string &Name, BasicBlock *InsertAtEnd);
public:
/// getType - Overload to return most specific pointer type
///
inline const PointerType *getType() const {
- return reinterpret_cast<const PointerType*>(Instruction::getType());
+ return reinterpret_cast<const PointerType*>(Instruction::getType());
}
/// getAllocatedType - Return the type that is being allocated by the
///
const Type *getAllocatedType() const;
+ /// getAlignment - Return the alignment of the memory that is being allocated
+ /// by the instruction.
+ ///
+ unsigned getAlignment() const { return Alignment; }
+ void setAlignment(unsigned Align) {
+ assert((Align & (Align-1)) == 0 && "Alignment is not a power of 2!");
+ Alignment = Align;
+ }
+
virtual Instruction *clone() const = 0;
// Methods for support type inquiry through isa, cast, and dyn_cast:
explicit MallocInst(const Type *Ty, Value *ArraySize = 0,
const std::string &Name = "",
Instruction *InsertBefore = 0)
- : AllocationInst(Ty, ArraySize, Malloc, Name, InsertBefore) {}
+ : AllocationInst(Ty, ArraySize, Malloc, 0, Name, InsertBefore) {}
MallocInst(const Type *Ty, Value *ArraySize, const std::string &Name,
BasicBlock *InsertAtEnd)
- : AllocationInst(Ty, ArraySize, Malloc, Name, InsertAtEnd) {}
-
+ : AllocationInst(Ty, ArraySize, Malloc, 0, Name, InsertAtEnd) {}
+ MallocInst(const Type *Ty, Value *ArraySize, unsigned Align,
+ const std::string &Name, BasicBlock *InsertAtEnd)
+ : AllocationInst(Ty, ArraySize, Malloc, Align, Name, InsertAtEnd) {}
+ explicit MallocInst(const Type *Ty, Value *ArraySize, unsigned Align,
+ const std::string &Name = "",
+ Instruction *InsertBefore = 0)
+ : AllocationInst(Ty, ArraySize, Malloc, Align, Name, InsertBefore) {}
+
virtual MallocInst *clone() const;
// Methods for support type inquiry through isa, cast, and dyn_cast:
explicit AllocaInst(const Type *Ty, Value *ArraySize = 0,
const std::string &Name = "",
Instruction *InsertBefore = 0)
- : AllocationInst(Ty, ArraySize, Alloca, Name, InsertBefore) {}
+ : AllocationInst(Ty, ArraySize, Alloca, 0, Name, InsertBefore) {}
AllocaInst(const Type *Ty, Value *ArraySize, const std::string &Name,
BasicBlock *InsertAtEnd)
- : AllocationInst(Ty, ArraySize, Alloca, Name, InsertAtEnd) {}
-
+ : AllocationInst(Ty, ArraySize, Alloca, 0, Name, InsertAtEnd) {}
+ AllocaInst(const Type *Ty, Value *ArraySize, unsigned Align,
+ const std::string &Name, BasicBlock *InsertAtEnd)
+ : AllocationInst(Ty, ArraySize, Alloca, Align, Name, InsertAtEnd) {}
+ explicit AllocaInst(const Type *Ty, Value *ArraySize, unsigned Align,
+ const std::string &Name = "",
+ Instruction *InsertBefore = 0)
+ : AllocationInst(Ty, ArraySize, Alloca, Align, Name, InsertBefore) {}
+
virtual AllocaInst *clone() const;
// Methods for support type inquiry through isa, cast, and dyn_cast:
LoadInst(const LoadInst &LI)
: UnaryInstruction(LI.getType(), Load, LI.getOperand(0)) {
setVolatile(LI.isVolatile());
-
+
#ifndef NDEBUG
AssertOK();
#endif
// StoreInst Class
//===----------------------------------------------------------------------===//
-/// StoreInst - an instruction for storing to memory
+/// StoreInst - an instruction for storing to memory
///
class StoreInst : public Instruction {
Use Ops[2];
void setVolatile(bool V) { SubclassData = V; }
/// Transparently provide more efficient getOperand methods.
- Value *getOperand(unsigned i) const {
+ Value *getOperand(unsigned i) const {
assert(i < 2 && "getOperand() out of range!");
return Ops[i];
}
}
void init(Value *Ptr, const std::vector<Value*> &Idx);
void init(Value *Ptr, Value *Idx0, Value *Idx1);
+ void init(Value *Ptr, Value *Idx);
public:
/// Constructors - Create a getelementptr instruction with a base pointer an
/// list of indices. The first ctor can optionally insert before an existing
/// instruction, the second appends the new instruction to the specified
/// BasicBlock.
GetElementPtrInst(Value *Ptr, const std::vector<Value*> &Idx,
- const std::string &Name = "", Instruction *InsertBefore =0);
+ const std::string &Name = "", Instruction *InsertBefore =0);
GetElementPtrInst(Value *Ptr, const std::vector<Value*> &Idx,
- const std::string &Name, BasicBlock *InsertAtEnd);
-
- /// Constructors - These two constructors are convenience methods because two
- /// index getelementptr instructions are so common.
+ const std::string &Name, BasicBlock *InsertAtEnd);
+
+ /// Constructors - These two constructors are convenience methods because one
+ /// and two index getelementptr instructions are so common.
+ GetElementPtrInst(Value *Ptr, Value *Idx,
+ const std::string &Name = "", Instruction *InsertBefore =0);
+ GetElementPtrInst(Value *Ptr, Value *Idx,
+ const std::string &Name, BasicBlock *InsertAtEnd);
GetElementPtrInst(Value *Ptr, Value *Idx0, Value *Idx1,
- const std::string &Name = "", Instruction *InsertBefore =0);
+ const std::string &Name = "", Instruction *InsertBefore =0);
GetElementPtrInst(Value *Ptr, Value *Idx0, Value *Idx1,
- const std::string &Name, BasicBlock *InsertAtEnd);
+ const std::string &Name, BasicBlock *InsertAtEnd);
~GetElementPtrInst();
virtual GetElementPtrInst *clone() const;
-
+
// getType - Overload to return most specific pointer type...
inline const PointerType *getType() const {
return reinterpret_cast<const PointerType*>(Instruction::getType());
/// getIndexedType - Returns the type of the element that would be loaded with
/// a load instruction with the specified parameters.
///
- /// A null type is returned if the indices are invalid for the specified
+ /// A null type is returned if the indices are invalid for the specified
/// pointer type.
///
- static const Type *getIndexedType(const Type *Ptr,
- const std::vector<Value*> &Indices,
- bool AllowStructLeaf = false);
+ static const Type *getIndexedType(const Type *Ptr,
+ const std::vector<Value*> &Indices,
+ bool AllowStructLeaf = false);
static const Type *getIndexedType(const Type *Ptr, Value *Idx0, Value *Idx1,
- bool AllowStructLeaf = false);
-
+ bool AllowStructLeaf = false);
+ static const Type *getIndexedType(const Type *Ptr, Value *Idx);
+
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(); }
inline unsigned getNumIndices() const { // Note: always non-negative
return getNumOperands() - 1;
}
-
+
inline bool hasIndices() const {
return getNumOperands() > 1;
}
class SetCondInst : public BinaryOperator {
public:
SetCondInst(BinaryOps Opcode, Value *LHS, Value *RHS,
- const std::string &Name = "", Instruction *InsertBefore = 0);
+ const std::string &Name = "", Instruction *InsertBefore = 0);
SetCondInst(BinaryOps Opcode, Value *LHS, Value *RHS,
- const std::string &Name, BasicBlock *InsertAtEnd);
+ const std::string &Name, BasicBlock *InsertAtEnd);
/// getInverseCondition - Return the inverse of the current condition opcode.
/// For example seteq -> setne, setgt -> setle, setlt -> setge, etc...
/// the instruction (i->getType()).
///
class CastInst : public UnaryInstruction {
- CastInst(const CastInst &CI)
+ CastInst(const CastInst &CI)
: UnaryInstruction(CI.getType(), Cast, CI.getOperand(0)) {
}
public:
//===----------------------------------------------------------------------===//
/// CallInst - This class represents a function call, abstracting a target
-/// machine's calling convention.
+/// machine's calling convention. This class uses low bit of the SubClassData
+/// field to indicate whether or not this is a tail call. The rest of the bits
+/// hold the calling convention of the call.
///
class CallInst : public Instruction {
CallInst(const CallInst &CI);
Instruction *InsertBefore = 0);
CallInst(Value *F, Value *Actual, const std::string& Name,
BasicBlock *InsertAtEnd);
- explicit CallInst(Value *F, const std::string &Name = "",
+ explicit CallInst(Value *F, const std::string &Name = "",
Instruction *InsertBefore = 0);
- explicit CallInst(Value *F, const std::string &Name,
+ explicit CallInst(Value *F, const std::string &Name,
BasicBlock *InsertAtEnd);
~CallInst();
virtual CallInst *clone() const;
bool mayWriteToMemory() const { return true; }
+ bool isTailCall() const { return SubclassData & 1; }
+ void setTailCall(bool isTailCall = true) {
+ SubclassData = (SubclassData & ~1) | unsigned(isTailCall);
+ }
+
+ /// getCallingConv/setCallingConv - Get or set the calling convention of this
+ /// function call.
+ unsigned getCallingConv() const { return SubclassData >> 1; }
+ void setCallingConv(unsigned CC) {
+ SubclassData = (SubclassData & 1) | (CC << 1);
+ }
+
/// getCalledFunction - Return the function being called by this instruction
/// if it is a direct call. If it is a call through a function pointer,
/// return null.
Function *getCalledFunction() const {
- return (Function*)dyn_cast<Function>(getOperand(0));
+ return static_cast<Function*>(dyn_cast<Function>(getOperand(0)));
}
// getCalledValue - Get a pointer to a method that is invoked by this inst.
// 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;
+ return I->getOpcode() == Instruction::Call;
}
static inline bool classof(const Value *V) {
return isa<Instruction>(V) && classof(cast<Instruction>(V));
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const ShiftInst *) { return true; }
static inline bool classof(const Instruction *I) {
- return (I->getOpcode() == Instruction::Shr) |
+ return (I->getOpcode() == Instruction::Shr) |
(I->getOpcode() == Instruction::Shl);
}
static inline bool classof(const Value *V) {
}
};
-
//===----------------------------------------------------------------------===//
-// VANextInst Class
+// VAArgInst Class
//===----------------------------------------------------------------------===//
-/// VANextInst - This class represents the va_next llvm instruction, which
-/// advances a vararg list passed an argument of the specified type, returning
-/// the resultant list.
+/// VAArgInst - This class represents the va_arg llvm instruction, which returns
+/// an argument of the specified type given a va_list and increments that list
///
-class VANextInst : public UnaryInstruction {
- PATypeHolder ArgTy;
- VANextInst(const VANextInst &VAN)
- : UnaryInstruction(VAN.getType(), VANext, VAN.getOperand(0)),
- ArgTy(VAN.getArgType()) {
- }
-
+class VAArgInst : public UnaryInstruction {
+ VAArgInst(const VAArgInst &VAA)
+ : UnaryInstruction(VAA.getType(), VAArg, VAA.getOperand(0)) {}
public:
- VANextInst(Value *List, const Type *Ty, const std::string &Name = "",
+ VAArgInst(Value *List, const Type *Ty, const std::string &Name = "",
Instruction *InsertBefore = 0)
- : UnaryInstruction(List->getType(), VANext, List, Name, InsertBefore),
- ArgTy(Ty) {
+ : UnaryInstruction(Ty, VAArg, List, Name, InsertBefore) {
}
- VANextInst(Value *List, const Type *Ty, const std::string &Name,
- BasicBlock *InsertAtEnd)
- : UnaryInstruction(List->getType(), VANext, List, Name, InsertAtEnd),
- ArgTy(Ty) {
+ VAArgInst(Value *List, const Type *Ty, const std::string &Name,
+ BasicBlock *InsertAtEnd)
+ : UnaryInstruction(Ty, VAArg, List, Name, InsertAtEnd) {
}
- const Type *getArgType() const { return ArgTy; }
-
- virtual VANextInst *clone() const;
+ virtual VAArgInst *clone() const;
+ bool mayWriteToMemory() const { return true; }
// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const VANextInst *) { return true; }
+ static inline bool classof(const VAArgInst *) { return true; }
static inline bool classof(const Instruction *I) {
- return I->getOpcode() == VANext;
+ return I->getOpcode() == VAArg;
}
static inline bool classof(const Value *V) {
return isa<Instruction>(V) && classof(cast<Instruction>(V));
}
};
-
//===----------------------------------------------------------------------===//
-// VAArgInst Class
+// ExtractElementInst Class
//===----------------------------------------------------------------------===//
-/// VAArgInst - This class represents the va_arg llvm instruction, which returns
-/// an argument of the specified type given a va_list.
+/// ExtractElementInst - This instruction extracts a single (scalar)
+/// element from a PackedType value
///
-class VAArgInst : public UnaryInstruction {
- VAArgInst(const VAArgInst &VAA)
- : UnaryInstruction(VAA.getType(), VAArg, VAA.getOperand(0)) {}
+class ExtractElementInst : public Instruction {
+ Use Ops[2];
+ ExtractElementInst(const ExtractElementInst &EE) :
+ Instruction(EE.getType(), ExtractElement, Ops, 2) {
+ Ops[0].init(EE.Ops[0], this);
+ Ops[1].init(EE.Ops[1], this);
+ }
+
public:
- VAArgInst(Value *List, const Type *Ty, const std::string &Name = "",
- Instruction *InsertBefore = 0)
- : UnaryInstruction(Ty, VAArg, List, Name, InsertBefore) {
+ ExtractElementInst(Value *Val, Value *Index,
+ const std::string &Name = "", Instruction *InsertBefore = 0);
+ ExtractElementInst(Value *Val, Value *Index,
+ const std::string &Name, BasicBlock *InsertAtEnd);
+
+ virtual ExtractElementInst *clone() const;
+
+ virtual bool mayWriteToMemory() const { return false; }
+
+ /// Transparently provide more efficient getOperand methods.
+ Value *getOperand(unsigned i) const {
+ assert(i < 2 && "getOperand() out of range!");
+ return Ops[i];
}
- VAArgInst(Value *List, const Type *Ty, const std::string &Name,
- BasicBlock *InsertAtEnd)
- : UnaryInstruction(Ty, VAArg, List, Name, InsertAtEnd) {
+ void setOperand(unsigned i, Value *Val) {
+ assert(i < 2 && "setOperand() out of range!");
+ Ops[i] = Val;
}
+ unsigned getNumOperands() const { return 2; }
- virtual VAArgInst *clone() const;
+ // 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;
+ }
+ static inline bool classof(const Value *V) {
+ return isa<Instruction>(V) && classof(cast<Instruction>(V));
+ }
+};
+
+//===----------------------------------------------------------------------===//
+// InsertElementInst Class
+//===----------------------------------------------------------------------===//
+
+/// InsertElementInst - This instruction inserts a single (scalar)
+/// element into a PackedType value
+///
+class InsertElementInst : public Instruction {
+ Use Ops[3];
+ InsertElementInst(const InsertElementInst &IE) :
+ Instruction(IE.getType(), InsertElement, Ops, 3) {
+ Ops[0].init(IE.Ops[0], this);
+ Ops[1].init(IE.Ops[1], this);
+ Ops[2].init(IE.Ops[2], this);
+ }
+
+public:
+ InsertElementInst(Value *Val, Value *Elt, Value *Index,
+ const std::string &Name = "", Instruction *InsertBefore = 0);
+ InsertElementInst(Value *Val, Value *Elt, Value *Index,
+ const std::string &Name, BasicBlock *InsertAtEnd);
+
+ virtual InsertElementInst *clone() const;
+
+ virtual bool mayWriteToMemory() const { return false; }
+
+ /// Transparently provide more efficient getOperand methods.
+ Value *getOperand(unsigned i) const {
+ assert(i < 3 && "getOperand() out of range!");
+ return Ops[i];
+ }
+ void setOperand(unsigned i, Value *Val) {
+ assert(i < 3 && "setOperand() out of range!");
+ Ops[i] = Val;
+ }
+ unsigned getNumOperands() const { return 3; }
// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const VAArgInst *) { return true; }
+ static inline bool classof(const InsertElementInst *) { return true; }
static inline bool classof(const Instruction *I) {
- return I->getOpcode() == VAArg;
+ return I->getOpcode() == Instruction::InsertElement;
}
static inline bool classof(const Value *V) {
return isa<Instruction>(V) && classof(cast<Instruction>(V));
/// getIncomingBlock - Return incoming basic block #x
///
- BasicBlock *getIncomingBlock(unsigned i) const {
+ BasicBlock *getIncomingBlock(unsigned i) const {
return reinterpret_cast<BasicBlock*>(getOperand(i*2+1));
}
void setIncomingBlock(unsigned i, BasicBlock *BB) {
OperandList[OpNo].init(V, this);
OperandList[OpNo+1].init(reinterpret_cast<Value*>(BB), this);
}
-
+
/// removeIncomingValue - Remove an incoming value. This is useful if a
/// predecessor basic block is deleted. The value removed is returned.
///
return removeIncomingValue(Idx, DeletePHIIfEmpty);
}
- /// getBasicBlockIndex - Return the first index of the specified basic
+ /// getBasicBlockIndex - Return the first index of the specified basic
/// block in the value list for this PHI. Returns -1 if no instance.
///
int getBasicBlockIndex(const BasicBlock *BB) const {
Use *OL = OperandList;
- for (unsigned i = 0, e = getNumOperands(); i != e; i += 2)
+ for (unsigned i = 0, e = getNumOperands(); i != e; i += 2)
if (OL[i+1] == reinterpret_cast<const Value*>(BB)) return i/2;
return -1;
}
return getIncomingValue(getBasicBlockIndex(BB));
}
+ /// hasConstantValue - If the specified PHI node always merges together the
+ /// same value, return the value, otherwise return null.
+ ///
+ Value *hasConstantValue(bool AllowNonDominatingInstruction = false) const;
+
/// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const PHINode *) { return true; }
static inline bool classof(const Instruction *I) {
- return I->getOpcode() == Instruction::PHI;
+ return I->getOpcode() == Instruction::PHI;
}
static inline bool classof(const Value *V) {
return isa<Instruction>(V) && classof(cast<Instruction>(V));
BasicBlock *getSuccessor(unsigned i) const {
assert(i < getNumSuccessors() && "Successor # out of range for Branch!");
- return (i == 0) ? cast<BasicBlock>(getOperand(0)) :
+ return (i == 0) ? cast<BasicBlock>(getOperand(0)) :
cast<BasicBlock>(getOperand(1));
}
/// be specified here to make memory allocation more efficient. This
/// constructor can also autoinsert before another instruction.
SwitchInst(Value *Value, BasicBlock *Default, unsigned NumCases,
- Instruction *InsertBefore = 0)
+ Instruction *InsertBefore = 0)
: TerminatorInst(Instruction::Switch, 0, 0, InsertBefore) {
init(Value, Default, NumCases);
}
/// be specified here to make memory allocation more efficient. This
/// constructor also autoinserts at the end of the specified BasicBlock.
SwitchInst(Value *Value, BasicBlock *Default, unsigned NumCases,
- BasicBlock *InsertAtEnd)
+ BasicBlock *InsertAtEnd)
: TerminatorInst(Instruction::Switch, 0, 0, InsertAtEnd) {
init(Value, Default, NumCases);
}
/// getCaseValue - Return the specified case value. Note that case #0, the
/// default destination, does not have a case value.
- Constant *getCaseValue(unsigned i) {
+ ConstantInt *getCaseValue(unsigned i) {
assert(i && i < getNumCases() && "Illegal case value to get!");
return getSuccessorValue(i);
}
/// getCaseValue - Return the specified case value. Note that case #0, the
/// default destination, does not have a case value.
- const Constant *getCaseValue(unsigned i) const {
+ const ConstantInt *getCaseValue(unsigned i) const {
assert(i && i < getNumCases() && "Illegal case value to get!");
return getSuccessorValue(i);
}
/// 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 Constant *C) const {
+ unsigned findCaseValue(const ConstantInt *C) const {
for (unsigned i = 1, e = getNumCases(); i != e; ++i)
if (getCaseValue(i) == C)
return i;
/// addCase - Add an entry to the switch instruction...
///
- void addCase(Constant *OnVal, BasicBlock *Dest);
+ 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
// getSuccessorValue - Return the value associated with the specified
// successor.
- inline Constant *getSuccessorValue(unsigned idx) const {
+ inline ConstantInt *getSuccessorValue(unsigned idx) const {
assert(idx < getNumSuccessors() && "Successor # out of range!");
- return cast<Constant>(getOperand(idx*2));
+ return reinterpret_cast<ConstantInt*>(getOperand(idx*2));
}
// 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);
+ return I->getOpcode() == Instruction::Switch;
}
static inline bool classof(const Value *V) {
return isa<Instruction>(V) && classof(cast<Instruction>(V));
//===----------------------------------------------------------------------===//
//===---------------------------------------------------------------------------
-/// InvokeInst - Invoke instruction
+
+/// InvokeInst - Invoke instruction. The SubclassData field is used to hold the
+/// calling convention of the call.
///
class InvokeInst : public TerminatorInst {
InvokeInst(const InvokeInst &BI);
const std::vector<Value*> &Params);
public:
InvokeInst(Value *Fn, BasicBlock *IfNormal, BasicBlock *IfException,
- const std::vector<Value*> &Params, const std::string &Name = "",
+ const std::vector<Value*> &Params, const std::string &Name = "",
Instruction *InsertBefore = 0);
InvokeInst(Value *Fn, BasicBlock *IfNormal, BasicBlock *IfException,
- const std::vector<Value*> &Params, const std::string &Name,
+ const std::vector<Value*> &Params, const std::string &Name,
BasicBlock *InsertAtEnd);
~InvokeInst();
bool mayWriteToMemory() const { return true; }
+ /// getCallingConv/setCallingConv - Get or set the calling convention of this
+ /// function call.
+ unsigned getCallingConv() const { return SubclassData; }
+ void setCallingConv(unsigned CC) {
+ SubclassData = CC;
+ }
+
/// getCalledFunction - Return the function called, or null if this is an
/// indirect function invocation.
///
projects / oota-llvm.git / blobdiff