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 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_LIB_TARGET_HEXAGON_HEXAGONTARGETMACHINE_H
15 #define LLVM_LIB_TARGET_HEXAGON_HEXAGONTARGETMACHINE_H
16 
17 #include "HexagonInstrInfo.h"
18 #include "HexagonSubtarget.h"
19 #include "HexagonTargetObjectFile.h"
20 #include "llvm/Target/TargetMachine.h"
21 
22 namespace llvm {
23 
24 class Module;
25 
26 class HexagonTargetMachine : public LLVMTargetMachine {
27   std::unique_ptr<TargetLoweringObjectFile> TLOF;
28   mutable StringMap<std::unique_ptr<HexagonSubtarget>> SubtargetMap;
29 
30 public:
31   HexagonTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
32                        StringRef FS, const TargetOptions &Options,
33                        Reloc::Model RM, CodeModel::Model CM,
34                        CodeGenOpt::Level OL);
35   ~HexagonTargetMachine() override;
36   const HexagonSubtarget *getSubtargetImpl(const Function &F) const override;
37 
38   static unsigned getModuleMatchQuality(const Module &M);
39 
40   TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
41   TargetIRAnalysis getTargetIRAnalysis() override;
42 
getObjFileLowering()43   HexagonTargetObjectFile *getObjFileLowering() const override {
44     return static_cast<HexagonTargetObjectFile*>(TLOF.get());
45   }
46 };
47 
48 } // end namespace llvm
49 
50 #endif
51