1251607Sdim//===-- SystemZSubtarget.h - SystemZ subtarget information -----*- C++ -*--===// 2251607Sdim// 3251607Sdim// The LLVM Compiler Infrastructure 4251607Sdim// 5251607Sdim// This file is distributed under the University of Illinois Open Source 6251607Sdim// License. See LICENSE.TXT for details. 7251607Sdim// 8251607Sdim//===----------------------------------------------------------------------===// 9251607Sdim// 10251607Sdim// This file declares the SystemZ specific subclass of TargetSubtargetInfo. 11251607Sdim// 12251607Sdim//===----------------------------------------------------------------------===// 13251607Sdim 14251607Sdim#ifndef SYSTEMZSUBTARGET_H 15251607Sdim#define SYSTEMZSUBTARGET_H 16251607Sdim 17251607Sdim#include "llvm/ADT/Triple.h" 18251607Sdim#include "llvm/Target/TargetSubtargetInfo.h" 19251607Sdim#include <string> 20251607Sdim 21251607Sdim#define GET_SUBTARGETINFO_HEADER 22251607Sdim#include "SystemZGenSubtargetInfo.inc" 23251607Sdim 24251607Sdimnamespace llvm { 25251607Sdimclass GlobalValue; 26251607Sdimclass StringRef; 27251607Sdim 28251607Sdimclass SystemZSubtarget : public SystemZGenSubtargetInfo { 29263509Sdim virtual void anchor(); 30263509Sdimprotected: 31263509Sdim bool HasDistinctOps; 32263509Sdim bool HasLoadStoreOnCond; 33263509Sdim bool HasHighWord; 34263509Sdim bool HasFPExtension; 35263509Sdim 36251607Sdimprivate: 37251607Sdim Triple TargetTriple; 38251607Sdim 39251607Sdimpublic: 40251607Sdim SystemZSubtarget(const std::string &TT, const std::string &CPU, 41251607Sdim const std::string &FS); 42251607Sdim 43263509Sdim // This is important for reducing register pressure in vector code. 44263509Sdim virtual bool useAA() const LLVM_OVERRIDE { return true; } 45263509Sdim 46251607Sdim // Automatically generated by tblgen. 47251607Sdim void ParseSubtargetFeatures(StringRef CPU, StringRef FS); 48251607Sdim 49263509Sdim // Return true if the target has the distinct-operands facility. 50263509Sdim bool hasDistinctOps() const { return HasDistinctOps; } 51263509Sdim 52263509Sdim // Return true if the target has the load/store-on-condition facility. 53263509Sdim bool hasLoadStoreOnCond() const { return HasLoadStoreOnCond; } 54263509Sdim 55263509Sdim // Return true if the target has the high-word facility. 56263509Sdim bool hasHighWord() const { return HasHighWord; } 57263509Sdim 58263509Sdim // Return true if the target has the floating-point extension facility. 59263509Sdim bool hasFPExtension() const { return HasFPExtension; } 60263509Sdim 61251607Sdim // Return true if GV can be accessed using LARL for reloc model RM 62251607Sdim // and code model CM. 63251607Sdim bool isPC32DBLSymbol(const GlobalValue *GV, Reloc::Model RM, 64251607Sdim CodeModel::Model CM) const; 65251607Sdim 66251607Sdim bool isTargetELF() const { return TargetTriple.isOSBinFormatELF(); } 67251607Sdim}; 68251607Sdim} // end namespace llvm 69251607Sdim 70251607Sdim#endif 71