LLVM  7.0.0svn
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1 //=-- HexagonTargetMachine.h - Define TargetMachine for Hexagon ---*- C++ -*-=//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file declares the Hexagon specific subclass of TargetMachine.
11 //
12 //===----------------------------------------------------------------------===//
17 #include "HexagonInstrInfo.h"
18 #include "HexagonSubtarget.h"
22 namespace llvm {
24 class Module;
27  std::unique_ptr<TargetLoweringObjectFile> TLOF;
28  mutable StringMap<std::unique_ptr<HexagonSubtarget>> SubtargetMap;
30 public:
31  HexagonTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
32  StringRef FS, const TargetOptions &Options,
34  CodeGenOpt::Level OL, bool JIT);
35  ~HexagonTargetMachine() override;
36  const HexagonSubtarget *getSubtargetImpl(const Function &F) const override;
38  static unsigned getModuleMatchQuality(const Module &M);
40  void adjustPassManager(PassManagerBuilder &PMB) override;
45  return static_cast<HexagonTargetObjectFile*>(TLOF.get());
46  }
47 };
49 } // end namespace llvm
51 #endif
PassManagerBuilder - This class is used to set up a standard optimization sequence for languages like...
Compute iterated dominance frontiers using a linear time algorithm.
Definition: AllocatorList.h:24
A Module instance is used to store all the information related to an LLVM module. ...
Definition: Module.h:63
HexagonTargetObjectFile * getObjFileLowering() const override
static unsigned getModuleMatchQuality(const Module &M)
Target-Independent Code Generator Pass Configuration Options.
This class describes a target machine that is implemented with the LLVM target-independent code gener...
Triple - Helper class for working with autoconf configuration names.
Definition: Triple.h:44
HexagonTargetMachine(const Target &T, const Triple &TT, StringRef CPU, StringRef FS, const TargetOptions &Options, Optional< Reloc::Model > RM, Optional< CodeModel::Model > CM, CodeGenOpt::Level OL, bool JIT)
This pass provides access to the codegen interfaces that are needed for IR-level transformations.
PassManagerBase - An abstract interface to allow code to add passes to a pass manager without having ...
const HexagonSubtarget * getSubtargetImpl(const Function &F) const override
Virtual method implemented by subclasses that returns a reference to that target&#39;s TargetSubtargetInf...
StringMap - This is an unconventional map that is specialized for handling keys that are "strings"...
Definition: StringMap.h:220
Target - Wrapper for Target specific information.
TargetOptions Options
Definition: TargetMachine.h:98
TargetPassConfig * createPassConfig(PassManagerBase &PM) override
Create a pass configuration object to be used by addPassToEmitX methods for generating a pipeline of ...
TargetTransformInfo getTargetTransformInfo(const Function &F) override
Get a TargetTransformInfo implementation for the target.
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:49
void adjustPassManager(PassManagerBuilder &PMB) override
Allow the target to modify the pass manager, e.g.