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a8b289b70d
This provides a place to add customized operation cost information and control some other target-specific IR-level transformations. The only non-trivial logic in this checkin assigns a higher cost to unaligned loads and stores (covered by the included test case). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173520 91177308-0d34-0410-b5e6-96231b3b80d8
101 lines
3.3 KiB
C++
101 lines
3.3 KiB
C++
//===-- PPCTargetMachine.h - Define TargetMachine for PowerPC ---*- 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 declares the PowerPC specific subclass of TargetMachine.
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//
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//===----------------------------------------------------------------------===//
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#ifndef PPC_TARGETMACHINE_H
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#define PPC_TARGETMACHINE_H
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#include "PPCFrameLowering.h"
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#include "PPCISelLowering.h"
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#include "PPCInstrInfo.h"
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#include "PPCJITInfo.h"
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#include "PPCSelectionDAGInfo.h"
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#include "PPCSubtarget.h"
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#include "llvm/IR/DataLayout.h"
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#include "llvm/Target/TargetMachine.h"
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namespace llvm {
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/// PPCTargetMachine - Common code between 32-bit and 64-bit PowerPC targets.
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///
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class PPCTargetMachine : public LLVMTargetMachine {
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PPCSubtarget Subtarget;
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const DataLayout DL; // Calculates type size & alignment
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PPCInstrInfo InstrInfo;
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PPCFrameLowering FrameLowering;
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PPCJITInfo JITInfo;
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PPCTargetLowering TLInfo;
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PPCSelectionDAGInfo TSInfo;
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InstrItineraryData InstrItins;
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public:
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PPCTargetMachine(const Target &T, StringRef TT,
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StringRef CPU, StringRef FS, const TargetOptions &Options,
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Reloc::Model RM, CodeModel::Model CM,
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CodeGenOpt::Level OL, bool is64Bit);
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virtual const PPCInstrInfo *getInstrInfo() const { return &InstrInfo; }
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virtual const PPCFrameLowering *getFrameLowering() const {
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return &FrameLowering;
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}
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virtual PPCJITInfo *getJITInfo() { return &JITInfo; }
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virtual const PPCTargetLowering *getTargetLowering() const {
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return &TLInfo;
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}
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virtual const PPCSelectionDAGInfo* getSelectionDAGInfo() const {
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return &TSInfo;
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}
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virtual const PPCRegisterInfo *getRegisterInfo() const {
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return &InstrInfo.getRegisterInfo();
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}
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virtual const DataLayout *getDataLayout() const { return &DL; }
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virtual const PPCSubtarget *getSubtargetImpl() const { return &Subtarget; }
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virtual const InstrItineraryData *getInstrItineraryData() const {
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return &InstrItins;
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}
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// Pass Pipeline Configuration
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virtual TargetPassConfig *createPassConfig(PassManagerBase &PM);
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virtual bool addCodeEmitter(PassManagerBase &PM,
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JITCodeEmitter &JCE);
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/// \brief Register PPC analysis passes with a pass manager.
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virtual void addAnalysisPasses(PassManagerBase &PM);
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};
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/// PPC32TargetMachine - PowerPC 32-bit target machine.
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///
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class PPC32TargetMachine : public PPCTargetMachine {
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virtual void anchor();
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public:
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PPC32TargetMachine(const Target &T, StringRef TT,
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StringRef CPU, StringRef FS, const TargetOptions &Options,
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Reloc::Model RM, CodeModel::Model CM,
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CodeGenOpt::Level OL);
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};
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/// PPC64TargetMachine - PowerPC 64-bit target machine.
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///
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class PPC64TargetMachine : public PPCTargetMachine {
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virtual void anchor();
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public:
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PPC64TargetMachine(const Target &T, StringRef TT,
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StringRef CPU, StringRef FS, const TargetOptions &Options,
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Reloc::Model RM, CodeModel::Model CM,
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CodeGenOpt::Level OL);
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};
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} // end namespace llvm
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#endif
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