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//===-- SparcV9TmpInstr.h ---------------------------------------*- 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.
//
//===----------------------------------------------------------------------===//
//
// Definition of class for temporary intermediate values used within the current
// SparcV9 backend.
//
//===----------------------------------------------------------------------===//
#ifndef SPARCV9TMPINSTR_H
#define SPARCV9TMPINSTR_H
#include "llvm/Instruction.h"
#include "MachineCodeForInstruction.h"
namespace llvm {
/// TmpInstruction - This class represents temporary intermediate
/// values used within the SparcV9 machine code for an LLVM instruction.
///
class TmpInstruction : public Instruction {
TmpInstruction(const TmpInstruction &TI)
: Instruction(TI.getType(), TI.getOpcode()) {
if (!TI.Operands.empty()) {
Operands.push_back(Use(TI.Operands[0], this));
if (TI.Operands.size() == 2)
Operands.push_back(Use(TI.Operands[1], this));
else
assert(0 && "Bad # operands to TmpInstruction!");
}
}
public:
// Constructor that uses the type of S1 as the type of the temporary.
// s1 must be a valid value. s2 may be NULL.
TmpInstruction(MachineCodeForInstruction &mcfi,
Value *s1, Value *s2 = 0, const std::string &name = "");
// Constructor that uses the type of S1 as the type of the temporary,
// but does not require a MachineCodeForInstruction.
// s1 must be a valid value. s2 may be NULL.
TmpInstruction(Value *s1, Value *s2 = 0, const std::string &name = "");
// Constructor that requires the type of the temporary to be specified.
// Both S1 and S2 may be NULL.
TmpInstruction(MachineCodeForInstruction& mcfi,
const Type *Ty, Value *s1 = 0, Value* s2 = 0,
const std::string &name = "");
virtual Instruction *clone() const {
assert(0 && "Cannot clone TmpInstructions!");
return 0;
}
virtual const char *getOpcodeName() const { return "TmpInstruction"; }
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const TmpInstruction *) { return true; }
static inline bool classof(const Instruction *I) {
return (I->getOpcode() == Instruction::UserOp1);
}
static inline bool classof(const Value *V) {
return isa<Instruction>(V) && classof(cast<Instruction>(V));
}
};
} // End llvm namespace
#endif
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