-//===-- llvm/iOther.h - "Other" instruction node definitions -----*- C++ -*--=//
+//===-- llvm/iOther.h - "Other" instruction node definitions ----*- C++ -*-===//
//
// 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"
-
-//===----------------------------------------------------------------------===//
-// PHINode 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);
-public:
- PHINode(const Type *Ty, const string &Name = "");
-
- virtual Instruction *clone() const { return new PHINode(*this); }
- virtual const char *getOpcodeName() const { return "phi"; }
-
- // getNumIncomingValues - Return the number of incoming edges the PHI node has
- inline unsigned getNumIncomingValues() const { return Operands.size()/2; }
-
- // 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];
- }
- inline void setIncomingValue(unsigned i, Value *V) {
- Operands[i*2] = V;
- }
-
- // getIncomingBlock - Return incoming basic block #x
- inline const BasicBlock *getIncomingBlock(unsigned i) const {
- return cast<const BasicBlock>(Operands[i*2+1]);
- }
- inline BasicBlock *getIncomingBlock(unsigned i) {
- return cast<BasicBlock>(Operands[i*2+1]);
- }
- inline void setIncomingBlock(unsigned i, BasicBlock *BB) {
- Operands[i*2+1] = BB;
- }
-
- // 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);
-
- // 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 {
- for (unsigned i = 0; i < Operands.size()/2; ++i)
- if (getIncomingBlock(i) == BB) return i;
- return -1;
- }
-
- // 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::PHINode;
- }
- static inline bool classof(const Value *V) {
- return isa<Instruction>(V) && classof(cast<Instruction>(V));
- }
-};
-
//===----------------------------------------------------------------------===//
// 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 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; }
//===----------------------------------------------------------------------===//
-// MethodArgument Class
-//===----------------------------------------------------------------------===//
-
-class MethodArgument : public Value { // Defined in the InstrType.cpp file
- Method *Parent;
-
- friend class ValueHolder<MethodArgument,Method,Method>;
- inline void setParent(Method *parent) { Parent = parent; }
-
-public:
- MethodArgument(const Type *Ty, const string &Name = "")
- : Value(Ty, Value::MethodArgumentVal, Name) {
- Parent = 0;
- }
-
- // Specialize setName to handle symbol table majik...
- virtual void setName(const string &name, SymbolTable *ST = 0);
-
- 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 MethodArgument *) { return true; }
- static inline bool classof(const Value *V) {
- return V->getValueType() == MethodArgumentVal;
- }
-};
-
-
-//===----------------------------------------------------------------------===//
-// Classes to function calls and method invocations
+// CallInst Class
//===----------------------------------------------------------------------===//
class CallInst : public Instruction {
CallInst(const CallInst &CI);
public:
- CallInst(Value *Meth, const vector<Value*> ¶ms, const string &Name = "");
+ 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 Method *getCalledMethod() const {
- return dyn_cast<Method>(Operands[0]);
+ const Function *getCalledFunction() const {
+ return dyn_cast<Function>(Operands[0].get());
}
- Method *getCalledMethod() {
- return dyn_cast<Method>(Operands[0]);
+ Function *getCalledFunction() {
+ return dyn_cast<Function>(Operands[0].get());
}
// getCalledValue - Get a pointer to a method that is invoked by this inst.
Operands.push_back(Use(SI.Operands[1], this));
}
public:
- ShiftInst(OtherOps Opcode, Value *S, Value *SA, const 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));
OtherOps getOpcode() const { return (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; }
}
};
+
+//===----------------------------------------------------------------------===//
+// VarArgInst 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.
+///
+class VarArgInst : public Instruction {
+ VarArgInst(const VarArgInst &VAI) : Instruction(VAI.getType(), VarArg) {
+ Operands.reserve(1);
+ Operands.push_back(Use(VAI.Operands[0], this));
+ }
+public:
+ VarArgInst(Value *S, const Type *Ty, const std::string &Name = "",
+ Instruction *InsertBefore = 0)
+ : Instruction(Ty, VarArg, Name, InsertBefore) {
+ Operands.reserve(1);
+ Operands.push_back(Use(S, this));
+ }
+
+ virtual Instruction *clone() const { return new VarArgInst(*this); }
+
+ bool mayWriteToMemory() const { return true; }
+
+ // Methods for support type inquiry through isa, cast, and dyn_cast:
+ static inline bool classof(const VarArgInst *) { return true; }
+ static inline bool classof(const Instruction *I) {
+ return I->getOpcode() == VarArg;
+ }
+ static inline bool classof(const Value *V) {
+ return isa<Instruction>(V) && classof(cast<Instruction>(V));
+ }
+};
+
#endif
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