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https://github.com/c64scene-ar/llvm-6502.git
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6e89e1316a
TargetIRAnalysis access path directly rather than implementing getTTI. This even removes getTTI from the interface. It's more efficient for each target to just register a precise callback that creates their specific TTI. As part of this, all of the targets which are building their subtargets individually per-function now build their TTI instance with the function and thus look up the correct subtarget and cache it. NVPTX, R600, and XCore currently don't leverage this functionality, but its trivial for them to add it now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@227735 91177308-0d34-0410-b5e6-96231b3b80d8
80 lines
2.5 KiB
C++
80 lines
2.5 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 LLVM_LIB_TARGET_POWERPC_PPCTARGETMACHINE_H
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#define LLVM_LIB_TARGET_POWERPC_PPCTARGETMACHINE_H
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#include "PPCInstrInfo.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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std::unique_ptr<TargetLoweringObjectFile> TLOF;
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// Calculates type size & alignment
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const DataLayout DL;
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PPCSubtarget Subtarget;
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mutable StringMap<std::unique_ptr<PPCSubtarget>> SubtargetMap;
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public:
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PPCTargetMachine(const Target &T, StringRef TT, StringRef CPU, StringRef FS,
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const TargetOptions &Options, Reloc::Model RM,
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CodeModel::Model CM, CodeGenOpt::Level OL);
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~PPCTargetMachine() override;
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const DataLayout *getDataLayout() const override { return &DL; }
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const PPCSubtarget *getSubtargetImpl() const override { return &Subtarget; }
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const PPCSubtarget *getSubtargetImpl(const Function &F) const override;
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// Pass Pipeline Configuration
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TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
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TargetIRAnalysis getTargetIRAnalysis() override;
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TargetLoweringObjectFile *getObjFileLowering() const override {
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return TLOF.get();
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}
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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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