48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
//===-- ARMInstrInfo.h - ARM Instruction Information ------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains the ARM implementation of the TargetInstrInfo class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_ARM_ARMINSTRINFO_H
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#define LLVM_LIB_TARGET_ARM_ARMINSTRINFO_H
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#include "ARMBaseInstrInfo.h"
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#include "ARMRegisterInfo.h"
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namespace llvm {
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class ARMSubtarget;
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class ARMInstrInfo : public ARMBaseInstrInfo {
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ARMRegisterInfo RI;
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public:
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explicit ARMInstrInfo(const ARMSubtarget &STI);
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/// Return the noop instruction to use for a noop.
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void getNoop(MCInst &NopInst) const override;
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// Return the non-pre/post incrementing version of 'Opc'. Return 0
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// if there is not such an opcode.
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unsigned getUnindexedOpcode(unsigned Opc) const override;
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/// getRegisterInfo - TargetInstrInfo is a superset of MRegister info. As
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/// such, whenever a client has an instance of instruction info, it should
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/// always be able to get register info as well (through this method).
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///
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const ARMRegisterInfo &getRegisterInfo() const override { return RI; }
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private:
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void expandLoadStackGuard(MachineBasicBlock::iterator MI) const override;
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};
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}
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#endif
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