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65 lines
2.3 KiB
C++
65 lines
2.3 KiB
C++
//===-- SparcV9TmpInstr.h ---------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Definition of class for temporary intermediate values used within the current
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// SparcV9 backend.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SPARCV9TMPINSTR_H
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#define SPARCV9TMPINSTR_H
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#include "llvm/Instruction.h"
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#include "MachineCodeForInstruction.h"
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namespace llvm {
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/// TmpInstruction - This class represents temporary intermediate
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/// values used within the SparcV9 machine code for an LLVM instruction.
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///
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class TmpInstruction : public Instruction {
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Use Ops[2];
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TmpInstruction(const TmpInstruction &TI);
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public:
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// Constructor that uses the type of S1 as the type of the temporary.
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// s1 must be a valid value. s2 may be NULL.
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TmpInstruction(MachineCodeForInstruction &mcfi,
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Value *s1, Value *s2 = 0, const std::string &name = "");
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// Constructor that uses the type of S1 as the type of the temporary,
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// but does not require a MachineCodeForInstruction.
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// s1 must be a valid value. s2 may be NULL.
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TmpInstruction(Value *s1, Value *s2 = 0, const std::string &name = "");
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// Constructor that requires the type of the temporary to be specified.
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// Both S1 and S2 may be NULL.
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TmpInstruction(MachineCodeForInstruction& mcfi,
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const Type *Ty, Value *s1 = 0, Value* s2 = 0,
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const std::string &name = "");
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virtual Instruction *clone() const {
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assert(0 && "Cannot clone TmpInstructions!");
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return 0;
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}
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virtual const char *getOpcodeName() const { return "TmpInstruction"; }
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// Methods for support type inquiry through isa, cast, and dyn_cast:
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static inline bool classof(const TmpInstruction *) { return true; }
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static inline bool classof(const Instruction *I) {
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return (I->getOpcode() == Instruction::UserOp1);
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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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} // End llvm namespace
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#endif
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