mirror of
https://github.com/c64scene-ar/llvm-6502.git
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6842 91177308-0d34-0410-b5e6-96231b3b80d8
161 lines
5.8 KiB
C++
161 lines
5.8 KiB
C++
//===-- llvm/iOther.h - "Other" instruction node definitions -----*- C++ -*--=//
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//
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// This file contains the declarations for instructions that fall into the
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// grandiose 'other' catagory...
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_IOTHER_H
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#define LLVM_IOTHER_H
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#include "llvm/InstrTypes.h"
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//===----------------------------------------------------------------------===//
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// CastInst Class
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//===----------------------------------------------------------------------===//
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/// CastInst - This class represents a cast from Operand[0] to the type of
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/// the instruction (i->getType()).
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///
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class CastInst : public Instruction {
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CastInst(const CastInst &CI) : Instruction(CI.getType(), Cast) {
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Operands.reserve(1);
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Operands.push_back(Use(CI.Operands[0], this));
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}
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public:
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CastInst(Value *S, const Type *Ty, const std::string &Name = "",
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Instruction *InsertBefore = 0)
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: Instruction(Ty, Cast, Name, InsertBefore) {
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Operands.reserve(1);
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Operands.push_back(Use(S, this));
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}
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virtual Instruction *clone() const { return new CastInst(*this); }
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// Methods for support type inquiry through isa, cast, and dyn_cast:
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static inline bool classof(const CastInst *) { return true; }
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static inline bool classof(const Instruction *I) {
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return I->getOpcode() == Cast;
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}
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static inline bool classof(const Value *V) {
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return isa<Instruction>(V) && classof(cast<Instruction>(V));
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}
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};
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//===----------------------------------------------------------------------===//
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// CallInst Class
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//===----------------------------------------------------------------------===//
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class CallInst : public Instruction {
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CallInst(const CallInst &CI);
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public:
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CallInst(Value *F, const std::vector<Value*> &Par,
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const std::string &Name = "", Instruction *InsertBefore = 0);
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// Alternate CallInst ctors w/ no actuals & one actual, respectively.
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CallInst(Value *F, const std::string &Name = "",
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Instruction *InsertBefore = 0);
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CallInst(Value *F, Value *Actual, const std::string& Name = "",
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Instruction* InsertBefore = 0);
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virtual Instruction *clone() const { return new CallInst(*this); }
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bool mayWriteToMemory() const { return true; }
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const Function *getCalledFunction() const {
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return dyn_cast<Function>(Operands[0].get());
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}
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Function *getCalledFunction() {
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return dyn_cast<Function>(Operands[0].get());
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}
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// getCalledValue - Get a pointer to a method that is invoked by this inst.
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inline const Value *getCalledValue() const { return Operands[0]; }
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inline Value *getCalledValue() { return Operands[0]; }
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// Methods for support type inquiry through isa, cast, and dyn_cast:
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static inline bool classof(const CallInst *) { return true; }
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static inline bool classof(const Instruction *I) {
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return I->getOpcode() == Instruction::Call;
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}
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static inline bool classof(const Value *V) {
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return isa<Instruction>(V) && classof(cast<Instruction>(V));
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}
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};
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//===----------------------------------------------------------------------===//
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// ShiftInst Class
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//===----------------------------------------------------------------------===//
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// ShiftInst - This class represents left and right shift instructions.
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//
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class ShiftInst : public Instruction {
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ShiftInst(const ShiftInst &SI) : Instruction(SI.getType(), SI.getOpcode()) {
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Operands.reserve(2);
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Operands.push_back(Use(SI.Operands[0], this));
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Operands.push_back(Use(SI.Operands[1], this));
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}
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public:
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ShiftInst(OtherOps Opcode, Value *S, Value *SA, const std::string &Name = "",
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Instruction *InsertBefore = 0)
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: Instruction(S->getType(), Opcode, Name, InsertBefore) {
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assert((Opcode == Shl || Opcode == Shr) && "ShiftInst Opcode invalid!");
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Operands.reserve(2);
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Operands.push_back(Use(S, this));
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Operands.push_back(Use(SA, this));
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}
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OtherOps getOpcode() const { return (OtherOps)Instruction::getOpcode(); }
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virtual Instruction *clone() const { return new ShiftInst(*this); }
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// Methods for support type inquiry through isa, cast, and dyn_cast:
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static inline bool classof(const ShiftInst *) { return true; }
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static inline bool classof(const Instruction *I) {
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return (I->getOpcode() == Instruction::Shr) |
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(I->getOpcode() == Instruction::Shl);
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}
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static inline bool classof(const Value *V) {
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return isa<Instruction>(V) && classof(cast<Instruction>(V));
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}
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};
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//===----------------------------------------------------------------------===//
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// VarArgInst Class
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//===----------------------------------------------------------------------===//
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/// VarArgInst - This class represents the va_arg llvm instruction, which reads
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/// an argument of the destination type from the va_list operand pointed to by
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/// the only operand.
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///
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class VarArgInst : public Instruction {
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VarArgInst(const VarArgInst &VAI) : Instruction(VAI.getType(), VarArg) {
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Operands.reserve(1);
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Operands.push_back(Use(VAI.Operands[0], this));
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}
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public:
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VarArgInst(Value *S, const Type *Ty, const std::string &Name = "",
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Instruction *InsertBefore = 0)
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: Instruction(Ty, VarArg, Name, InsertBefore) {
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Operands.reserve(1);
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Operands.push_back(Use(S, this));
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}
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virtual Instruction *clone() const { return new VarArgInst(*this); }
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bool mayWriteToMemory() const { return true; }
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// Methods for support type inquiry through isa, cast, and dyn_cast:
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static inline bool classof(const VarArgInst *) { return true; }
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static inline bool classof(const Instruction *I) {
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return I->getOpcode() == VarArg;
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}
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static inline bool classof(const Value *V) {
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return isa<Instruction>(V) && classof(cast<Instruction>(V));
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}
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};
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#endif
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