LLVM  3.7.0
X86TargetMachine.h
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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"
20 
21 namespace llvm {
22 
23 class StringRef;
24 
25 class X86TargetMachine final : public LLVMTargetMachine {
26  std::unique_ptr<TargetLoweringObjectFile> TLOF;
27  X86Subtarget Subtarget;
28 
29  mutable StringMap<std::unique_ptr<X86Subtarget>> SubtargetMap;
30 
31 public:
32  X86TargetMachine(const Target &T, const Triple &TT, StringRef CPU,
35  ~X86TargetMachine() override;
36  const X86Subtarget *getSubtargetImpl(const Function &F) const override;
37 
39 
40  // Set up the pass pipeline.
41  TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
43  return TLOF.get();
44  }
45 };
46 
47 } // End llvm namespace
48 
49 #endif
TargetIRAnalysis getTargetIRAnalysis() override
Get a TargetIRAnalysis implementation for the target.
Analysis pass providing the TargetTransformInfo.
F(f)
TargetPassConfig * createPassConfig(PassManagerBase &PM) override
Create a pass configuration object to be used by addPassToEmitX methods for generating a pipeline of ...
Target-Independent Code Generator Pass Configuration Options.
TargetLoweringObjectFile * getObjFileLowering() const override
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
X86TargetMachine(const Target &T, const Triple &TT, StringRef CPU, StringRef FS, const TargetOptions &Options, Reloc::Model RM, CodeModel::Model CM, CodeGenOpt::Level OL)
X86TargetMachine ctor - Create an X86 target.
StringMap - This is an unconventional map that is specialized for handling keys that are "strings"...
Definition: StringMap.h:214
Target - Wrapper for Target specific information.
const X86Subtarget * getSubtargetImpl(const Function &F) const override
Virtual method implemented by subclasses that returns a reference to that target's TargetSubtargetInf...
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:40