xref: /freebsd/contrib/llvm-project/llvm/lib/Target/Xtensa/XtensaTargetMachine.h (revision dab59af3bcc7cb7ba01569d3044894b3e860ad56)
1 //===-- XtensaTargetMachine.h - Define TargetMachine for Xtensa -*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
6 // See https://llvm.org/LICENSE.txt for license information.
7 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
8 //
9 //===----------------------------------------------------------------------===//
10 //
11 // This file declares the Xtensa specific subclass of TargetMachine.
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #ifndef LLVM_LIB_TARGET_XTENSA_XTENSATARGETMACHINE_H
16 #define LLVM_LIB_TARGET_XTENSA_XTENSATARGETMACHINE_H
17 
18 #include "XtensaSubtarget.h"
19 #include "llvm/Target/TargetMachine.h"
20 #include <optional>
21 
22 namespace llvm {
23 extern Target TheXtensaTarget;
24 
25 class XtensaTargetMachine : public LLVMTargetMachine {
26   std::unique_ptr<TargetLoweringObjectFile> TLOF;
27 public:
28   XtensaTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
29                       StringRef FS, const TargetOptions &Options,
30                       std::optional<Reloc::Model> RM,
31                       std::optional<CodeModel::Model> CM, CodeGenOptLevel OL,
32                       bool JIT, bool isLittle);
33 
34   XtensaTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
35                       StringRef FS, const TargetOptions &Options,
36                       std::optional<Reloc::Model> RM,
37                       std::optional<CodeModel::Model> CM, CodeGenOptLevel OL,
38                       bool JIT);
39 
40   const XtensaSubtarget *getSubtargetImpl(const Function &F) const override;
41 
42   TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
43 
44   TargetLoweringObjectFile *getObjFileLowering() const override {
45     return TLOF.get();
46   }
47 
48 protected:
49   mutable StringMap<std::unique_ptr<XtensaSubtarget>> SubtargetMap;
50 };
51 } // end namespace llvm
52 
53 #endif // LLVM_LIB_TARGET_XTENSA_XTENSATARGETMACHINE_H
54