1 //==-- SystemZSubtarget.h - Define Subtarget for the SystemZ ---*- 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 LLVM_TARGET_SystemZ_SUBTARGET_H 15 #define LLVM_TARGET_SystemZ_SUBTARGET_H 16 17 #include "llvm/Target/TargetSubtargetInfo.h" 18 #include <string> 19 20 #define GET_SUBTARGETINFO_HEADER 21 #include "SystemZGenSubtargetInfo.inc" 22 23 namespace llvm { 24 class GlobalValue; 25 class StringRef; 26 class TargetMachine; 27 28 class SystemZSubtarget : public SystemZGenSubtargetInfo { 29 bool HasZ10Insts; 30 public: 31 /// This constructor initializes the data members to match that 32 /// of the specified triple. 33 /// 34 SystemZSubtarget(const std::string &TT, const std::string &CPU, 35 const std::string &FS); 36 37 /// ParseSubtargetFeatures - Parses features string setting specified 38 /// subtarget options. Definition of function is auto generated by tblgen. 39 void ParseSubtargetFeatures(StringRef CPU, StringRef FS); 40 41 bool isZ10() const { return HasZ10Insts; } 42 43 bool GVRequiresExtraLoad(const GlobalValue* GV, const TargetMachine& TM, 44 bool isDirectCall) const; 45 }; 46 } // End llvm namespace 47 48 #endif // LLVM_TARGET_SystemZ_SUBTARGET_H 49
