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 protected: 30 bool HasDistinctOps; 31 bool HasLoadStoreOnCond; 32 bool HasHighWord; 33 34 private: 35 Triple TargetTriple; 36 37 public: 38 SystemZSubtarget(const std::string &TT, const std::string &CPU, 39 const std::string &FS); 40 41 // Automatically generated by tblgen. 42 void ParseSubtargetFeatures(StringRef CPU, StringRef FS); 43 44 // Return true if the target has the distinct-operands facility. 45 bool hasDistinctOps() const { return HasDistinctOps; } 46 47 // Return true if the target has the load/store-on-condition facility. 48 bool hasLoadStoreOnCond() const { return HasLoadStoreOnCond; } 49 50 // Return true if the target has the high-word facility. 51 bool hasHighWord() const { return HasHighWord; } 52 53 // Return true if GV can be accessed using LARL for reloc model RM 54 // and code model CM. 55 bool isPC32DBLSymbol(const GlobalValue *GV, Reloc::Model RM, 56 CodeModel::Model CM) const; 57 58 bool isTargetELF() const { return TargetTriple.isOSBinFormatELF(); } 59 }; 60 } // end namespace llvm 61 62 #endif 63
