-//===-- llvm/iOther.h - "Other" instruction node definitions -----*- C++ -*--=//
+//===-- llvm/iOther.h - "Other" instruction node 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 contains the declarations for instructions that fall into the
-// grandios 'other' catagory...
+// grandiose 'other' catagory...
//
//===----------------------------------------------------------------------===//
#define LLVM_IOTHER_H
#include "llvm/InstrTypes.h"
-#include "llvm/Method.h"
-#include <vector>
+
+namespace llvm {
//===----------------------------------------------------------------------===//
// CastInst Class
//===----------------------------------------------------------------------===//
-// CastInst - This function represents a cast from Operand[0] to the type of
-// the instruction (i->getType()).
-//
+/// CastInst - This class represents a cast from Operand[0] to the type of
+/// the instruction (i->getType()).
+///
class CastInst : public Instruction {
CastInst(const CastInst &CI) : Instruction(CI.getType(), Cast) {
Operands.reserve(1);
- Operands.push_back(Use((Value*)CI.getOperand(0), this));
+ Operands.push_back(Use(CI.Operands[0], this));
}
public:
- CastInst(Value *S, const Type *Ty, const string &Name = "")
- : Instruction(Ty, Cast, Name) {
+ CastInst(Value *S, const Type *Ty, const std::string &Name = "",
+ Instruction *InsertBefore = 0)
+ : Instruction(Ty, Cast, Name, InsertBefore) {
Operands.reserve(1);
Operands.push_back(Use(S, this));
}
virtual Instruction *clone() const { return new CastInst(*this); }
- virtual const char *getOpcodeName() const { return "cast"; }
+
+ // Methods for support type inquiry through isa, cast, and dyn_cast:
+ static inline bool classof(const CastInst *) { return true; }
+ static inline bool classof(const Instruction *I) {
+ return I->getOpcode() == Cast;
+ }
+ static inline bool classof(const Value *V) {
+ return isa<Instruction>(V) && classof(cast<Instruction>(V));
+ }
};
//===----------------------------------------------------------------------===//
-// PHINode Class
+// CallInst Class
//===----------------------------------------------------------------------===//
-// PHINode - The PHINode class is used to represent the magical mystical PHI
-// node, that can not exist in nature, but can be synthesized in a computer
-// scientist's overactive imagination.
-//
-class PHINode : public Instruction {
- PHINode(const PHINode &PN);
+/// CallInst - This class represents a function call, abstracting a target
+/// machine's calling convention.
+///
+class CallInst : public Instruction {
+ CallInst(const CallInst &CI);
public:
- PHINode(const Type *Ty, const string &Name = "");
+ CallInst(Value *F, const std::vector<Value*> &Par,
+ const std::string &Name = "", Instruction *InsertBefore = 0);
- virtual Instruction *clone() const { return new PHINode(*this); }
- virtual const char *getOpcodeName() const { return "phi"; }
+ // Alternate CallInst ctors w/ no actuals & one actual, respectively.
+ CallInst(Value *F, const std::string &Name = "",
+ Instruction *InsertBefore = 0);
+ CallInst(Value *F, Value *Actual, const std::string& Name = "",
+ Instruction *InsertBefore = 0);
- // getNumIncomingValues - Return the number of incoming edges the PHI node has
- inline unsigned getNumIncomingValues() const { return Operands.size()/2; }
+ virtual Instruction *clone() const { return new CallInst(*this); }
+ bool mayWriteToMemory() const { return true; }
- // getIncomingValue - Return incoming value #x
- inline const Value *getIncomingValue(unsigned i) const {
- return Operands[i*2];
- }
- inline Value *getIncomingValue(unsigned i) {
- return Operands[i*2];
- }
+ // FIXME: These methods should be inline once we eliminate
+ // ConstantPointerRefs!
+ const Function *getCalledFunction() const;
+ Function *getCalledFunction();
+
+ // getCalledValue - Get a pointer to a method that is invoked by this inst.
+ inline const Value *getCalledValue() const { return Operands[0]; }
+ inline Value *getCalledValue() { return Operands[0]; }
- // getIncomingBlock - Return incoming basic block #x
- inline const BasicBlock *getIncomingBlock(unsigned i) const {
- return Operands[i*2+1]->castBasicBlockAsserting();
+ // 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;
}
- inline BasicBlock *getIncomingBlock(unsigned i) {
- return Operands[i*2+1]->castBasicBlockAsserting();
+ static inline bool classof(const Value *V) {
+ return isa<Instruction>(V) && classof(cast<Instruction>(V));
}
-
- // addIncoming - Add an incoming value to the end of the PHI list
- void addIncoming(Value *D, BasicBlock *BB);
-
- // removeIncomingValue - Remove an incoming value. This is useful if a
- // predecessor basic block is deleted. The value removed is returned.
- Value *removeIncomingValue(const BasicBlock *BB);
};
//===----------------------------------------------------------------------===//
-// MethodArgument Class
+// ShiftInst Class
//===----------------------------------------------------------------------===//
-class MethodArgument : public Value { // Defined in the InstrType.cpp file
- Method *Parent;
-
- friend class ValueHolder<MethodArgument,Method>;
- inline void setParent(Method *parent) { Parent = parent; }
-
+/// ShiftInst - This class represents left and right shift instructions.
+///
+class ShiftInst : public Instruction {
+ ShiftInst(const ShiftInst &SI) : Instruction(SI.getType(), SI.getOpcode()) {
+ Operands.reserve(2);
+ Operands.push_back(Use(SI.Operands[0], this));
+ Operands.push_back(Use(SI.Operands[1], this));
+ }
public:
- MethodArgument(const Type *Ty, const string &Name = "")
- : Value(Ty, Value::MethodArgumentVal, Name) {
- Parent = 0;
+ ShiftInst(OtherOps Opcode, Value *S, Value *SA, const std::string &Name = "",
+ Instruction *InsertBefore = 0)
+ : Instruction(S->getType(), Opcode, Name, InsertBefore) {
+ assert((Opcode == Shl || Opcode == Shr) && "ShiftInst Opcode invalid!");
+ Operands.reserve(2);
+ Operands.push_back(Use(S, this));
+ Operands.push_back(Use(SA, this));
+ }
+
+ OtherOps getOpcode() const {
+ return static_cast<OtherOps>(Instruction::getOpcode());
}
- // Specialize setName to handle symbol table majik...
- virtual void setName(const string &name);
+ virtual Instruction *clone() const { return new ShiftInst(*this); }
- inline const Method *getParent() const { return Parent; }
- inline Method *getParent() { return Parent; }
+ // 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) |
+ (I->getOpcode() == Instruction::Shl);
+ }
+ static inline bool classof(const Value *V) {
+ return isa<Instruction>(V) && classof(cast<Instruction>(V));
+ }
};
//===----------------------------------------------------------------------===//
-// Classes to function calls and method invocations
+// VANextInst Class
//===----------------------------------------------------------------------===//
-class CallInst : public Instruction {
- CallInst(const CallInst &CI);
+/// 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.
+///
+class VANextInst : public Instruction {
+ PATypeHolder ArgTy;
+ VANextInst(const VANextInst &VAN)
+ : Instruction(VAN.getType(), VANext), ArgTy(VAN.getArgType()) {
+ Operands.reserve(1);
+ Operands.push_back(Use(VAN.Operands[0], this));
+ }
public:
- CallInst(Method *M, vector<Value*> ¶ms, const string &Name = "");
+ VANextInst(Value *List, const Type *Ty, const std::string &Name = "",
+ Instruction *InsertBefore = 0)
+ : Instruction(List->getType(), VANext, Name, InsertBefore), ArgTy(Ty) {
+ Operands.reserve(1);
+ Operands.push_back(Use(List, this));
+ }
- virtual const char *getOpcodeName() const { return "call"; }
+ const Type *getArgType() const { return ArgTy; }
- virtual Instruction *clone() const { return new CallInst(*this); }
- bool hasSideEffects() const { return true; }
+ virtual Instruction *clone() const { return new VANextInst(*this); }
+ // Methods for support type inquiry through isa, cast, and dyn_cast:
+ static inline bool classof(const VANextInst *) { return true; }
+ static inline bool classof(const Instruction *I) {
+ return I->getOpcode() == VANext;
+ }
+ static inline bool classof(const Value *V) {
+ return isa<Instruction>(V) && classof(cast<Instruction>(V));
+ }
+};
+
+/// VAArgInst - This class represents the va_arg llvm instruction, which returns
+/// an argument of the specified type given a va_list.
+///
+class VAArgInst : public Instruction {
+ VAArgInst(const VAArgInst &VAA)
+ : Instruction(VAA.getType(), VAArg) {
+ Operands.reserve(1);
+ Operands.push_back(Use(VAA.Operands[0], this));
+ }
+public:
+ VAArgInst(Value *List, const Type *Ty, const std::string &Name = "",
+ Instruction *InsertBefore = 0)
+ : Instruction(Ty, VAArg, Name, InsertBefore) {
+ Operands.reserve(1);
+ Operands.push_back(Use(List, this));
+ }
- const Method *getCalledMethod() const {
- return Operands[0]->castMethodAsserting();
+ virtual Instruction *clone() const { return new VAArgInst(*this); }
+
+ // 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;
}
- Method *getCalledMethod() {
- return Operands[0]->castMethodAsserting();
+ static inline bool classof(const Value *V) {
+ return isa<Instruction>(V) && classof(cast<Instruction>(V));
}
};
+} // End llvm namespace
+
#endif
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