1 //===-- X86TargetMachine.h - Define TargetMachine for the X86 ---*- 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 X86 specific subclass of TargetMachine.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_LIB_TARGET_X86_X86TARGETMACHINE_H
15 #define LLVM_LIB_TARGET_X86_X86TARGETMACHINE_H
16 #include "X86InstrInfo.h"
17 #include "X86Subtarget.h"
18 #include "llvm/IR/DataLayout.h"
19 #include "llvm/Target/TargetMachine.h"
20 
21 namespace llvm {
22 
23 class StringRef;
24 
25 class X86TargetMachine final : public LLVMTargetMachine {
26   std::unique_ptr<TargetLoweringObjectFile> TLOF;
27   mutable StringMap<std::unique_ptr<X86Subtarget>> SubtargetMap;
28 
29 public:
30   X86TargetMachine(const Target &T, const Triple &TT, StringRef CPU,
31                    StringRef FS, const TargetOptions &Options,
32                    Optional<Reloc::Model> RM, CodeModel::Model CM,
33                    CodeGenOpt::Level OL);
34   ~X86TargetMachine() override;
35   const X86Subtarget *getSubtargetImpl(const Function &F) const override;
36 
37   TargetIRAnalysis getTargetIRAnalysis() override;
38 
39   // Set up the pass pipeline.
40   TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
41   TargetLoweringObjectFile *getObjFileLowering() const override {
42     return TLOF.get();
43   }
44 };
45 
46 } // End llvm namespace
47 
48 #endif
49