1 //===-- SystemZSubtarget.h - SystemZ subtarget information -----*- 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 SystemZ specific subclass of TargetSubtargetInfo.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef SYSTEMZSUBTARGET_H
15 #define SYSTEMZSUBTARGET_H
16 
17 #include "llvm/ADT/Triple.h"
18 #include "llvm/Target/TargetSubtargetInfo.h"
19 #include <string>
20 
21 #define GET_SUBTARGETINFO_HEADER
22 #include "SystemZGenSubtargetInfo.inc"
23 
24 namespace llvm {
25 class GlobalValue;
26 class StringRef;
27 
28 class SystemZSubtarget : public SystemZGenSubtargetInfo {
29 private:
30   Triple TargetTriple;
31 
32 public:
33   SystemZSubtarget(const std::string &TT, const std::string &CPU,
34                    const std::string &FS);
35 
36   // Automatically generated by tblgen.
37   void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
38 
39   // Return true if GV can be accessed using LARL for reloc model RM
40   // and code model CM.
41   bool isPC32DBLSymbol(const GlobalValue *GV, Reloc::Model RM,
42                        CodeModel::Model CM) const;
43 
44   bool isTargetELF() const { return TargetTriple.isOSBinFormatELF(); }
45 };
46 } // end namespace llvm
47 
48 #endif
49