-//===-- 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/Function.h"
+
+namespace llvm {
//===----------------------------------------------------------------------===//
// CastInst Class
//===----------------------------------------------------------------------===//
-// CastInst - This class 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(CI.Operands[0], this));
}
public:
- CastInst(Value *S, const Type *Ty, const std::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; }
//===----------------------------------------------------------------------===//
-// FunctionArgument Class
-//===----------------------------------------------------------------------===//
-
-class FunctionArgument : public Value { // Defined in the InstrType.cpp file
- Function *Parent;
-
- friend class ValueHolder<FunctionArgument,Function,Function>;
- inline void setParent(Function *parent) { Parent = parent; }
-
-public:
- FunctionArgument(const Type *Ty, const std::string &Name = "")
- : Value(Ty, Value::FunctionArgumentVal, Name) {
- Parent = 0;
- }
-
- // Specialize setName to handle symbol table majik...
- virtual void setName(const std::string &name, SymbolTable *ST = 0);
-
- inline const Function *getParent() const { return Parent; }
- inline Function *getParent() { return Parent; }
-
- // Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const FunctionArgument *) { return true; }
- static inline bool classof(const Value *V) {
- return V->getValueType() == FunctionArgumentVal;
- }
-};
-
-
-//===----------------------------------------------------------------------===//
-// Classes to function calls and method invocations
+// CallInst Class
//===----------------------------------------------------------------------===//
+/// CallInst - This class represents a function call, abstracting a target
+/// machine's calling convention.
+///
class CallInst : public Instruction {
CallInst(const CallInst &CI);
public:
- CallInst(Value *M, const std::vector<Value*> &Par, const std::string & = "");
+ CallInst(Value *F, const std::vector<Value*> &Par,
+ const std::string &Name = "", Instruction *InsertBefore = 0);
- virtual const char *getOpcodeName() const { return "call"; }
+ // 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);
virtual Instruction *clone() const { return new CallInst(*this); }
- bool hasSideEffects() const { return true; }
+ bool mayWriteToMemory() const { return true; }
- const Function *getCalledFunction() const {
- return dyn_cast<Function>(Operands[0]);
- }
- Function *getCalledFunction() {
- return dyn_cast<Function>(Operands[0]);
- }
+ // 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]; }
// ShiftInst Class
//===----------------------------------------------------------------------===//
-// ShiftInst - This class represents left and right shift instructions.
-//
+/// 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[1], this));
}
public:
- ShiftInst(OtherOps Opcode, Value *S, Value *SA, const std::string &Name = "")
- : Instruction(S->getType(), Opcode, Name) {
+ 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 (OtherOps)Instruction::getOpcode(); }
+ OtherOps getOpcode() const {
+ return static_cast<OtherOps>(Instruction::getOpcode());
+ }
virtual Instruction *clone() const { return new ShiftInst(*this); }
- virtual const char *getOpcodeName() const {
- return getOpcode() == Shl ? "shl" : "shr";
- }
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const ShiftInst *) { return true; }
}
};
+//===----------------------------------------------------------------------===//
+// SelectInst Class
+//===----------------------------------------------------------------------===//
+
+/// SelectInst - This class represents the LLVM 'select' instruction.
+///
+class SelectInst : public Instruction {
+ SelectInst(const SelectInst &SI) : Instruction(SI.getType(), SI.getOpcode()) {
+ Operands.reserve(3);
+ Operands.push_back(Use(SI.Operands[0], this));
+ Operands.push_back(Use(SI.Operands[1], this));
+ Operands.push_back(Use(SI.Operands[2], this));
+ }
+public:
+ SelectInst(Value *C, Value *S1, Value *S2, const std::string &Name = "",
+ Instruction *InsertBefore = 0)
+ : Instruction(S1->getType(), Instruction::Select, Name, InsertBefore) {
+ Operands.reserve(3);
+ Operands.push_back(Use(C, this));
+ Operands.push_back(Use(S1, this));
+ Operands.push_back(Use(S2, this));
+ }
+
+ Value *getCondition() const { return Operands[0]; }
+ Value *getTrueValue() const { return Operands[1]; }
+ Value *getFalseValue() const { return Operands[2]; }
+
+ OtherOps getOpcode() const {
+ return static_cast<OtherOps>(Instruction::getOpcode());
+ }
+
+ virtual Instruction *clone() const { return new SelectInst(*this); }
+
+ // 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 inline bool classof(const Value *V) {
+ return isa<Instruction>(V) && classof(cast<Instruction>(V));
+ }
+};
+
+
+//===----------------------------------------------------------------------===//
+// VANextInst 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.
+///
+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:
+ 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));
+ }
+
+ const Type *getArgType() const { return ArgTy; }
+
+ 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 Class
+//===----------------------------------------------------------------------===//
+
+/// 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));
+ }
+
+ 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;
+ }
+ static inline bool classof(const Value *V) {
+ return isa<Instruction>(V) && classof(cast<Instruction>(V));
+ }
+};
+
+} // End llvm namespace
+
#endif