-//===-- 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
// grandiose 'other' catagory...
#ifndef LLVM_IOTHER_H
#define LLVM_IOTHER_H
-#include <assert.h>
-
#include "llvm/InstrTypes.h"
+namespace llvm {
+
//===----------------------------------------------------------------------===//
// CastInst Class
//===----------------------------------------------------------------------===//
// 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:
const std::string &Name = "", Instruction *InsertBefore = 0);
// Alternate CallInst ctors w/ no actuals & one actual, respectively.
- CallInst(Value *F, const std::string &Name = "",
- Instruction *InsertBefore = 0);
+ CallInst(Value *F, const std::string &Name = "",
+ Instruction *InsertBefore = 0);
CallInst(Value *F, Value *Actual, const std::string& Name = "",
- Instruction* InsertBefore = 0);
+ Instruction *InsertBefore = 0);
virtual Instruction *clone() const { return new CallInst(*this); }
bool mayWriteToMemory() const { return true; }
- const Function *getCalledFunction() const {
- return dyn_cast<Function>(Operands[0].get());
- }
- Function *getCalledFunction() {
- return dyn_cast<Function>(Operands[0].get());
- }
+ // 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(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); }
}
};
+//===----------------------------------------------------------------------===//
+// 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));
+ }
+};
+
//===----------------------------------------------------------------------===//
-// VarArgInst Class
+// VANextInst Class
//===----------------------------------------------------------------------===//
-/// VarArgInst - This class represents the va_arg llvm instruction, which reads
-/// an argument of the destination type from the va_list operand pointed to by
-/// the only operand.
+/// 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 VarArgInst : public Instruction {
- VarArgInst(const VarArgInst &VAI) : Instruction(VAI.getType(), VarArg) {
+class VANextInst : public Instruction {
+ PATypeHolder ArgTy;
+ VANextInst(const VANextInst &VAN)
+ : Instruction(VAN.getType(), VANext), ArgTy(VAN.getArgType()) {
Operands.reserve(1);
- Operands.push_back(Use(VAI.Operands[0], this));
+ Operands.push_back(Use(VAN.Operands[0], this));
}
public:
- VarArgInst(Value *S, const Type *Ty, const std::string &Name = "",
+ VANextInst(Value *List, const Type *Ty, const std::string &Name = "",
Instruction *InsertBefore = 0)
- : Instruction(Ty, VarArg, Name, InsertBefore) {
+ : Instruction(List->getType(), VANext, Name, InsertBefore), ArgTy(Ty) {
Operands.reserve(1);
- Operands.push_back(Use(S, this));
+ Operands.push_back(Use(List, this));
}
- virtual Instruction *clone() const { return new VarArgInst(*this); }
+ const Type *getArgType() const { return ArgTy; }
- bool mayWriteToMemory() 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 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 VarArgInst *) { return true; }
+ static inline bool classof(const VAArgInst *) { return true; }
static inline bool classof(const Instruction *I) {
- return I->getOpcode() == VarArg;
+ return I->getOpcode() == VAArg;
}
static inline bool classof(const Value *V) {
return isa<Instruction>(V) && classof(cast<Instruction>(V));
}
};
+} // End llvm namespace
+
#endif
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