1 //===-- SystemZSubtarget.h - SystemZ subtarget information -----*- C++ -*--===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file declares the SystemZ specific subclass of TargetSubtargetInfo.
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZSUBTARGET_H
15 #define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZSUBTARGET_H
17 #include "SystemZFrameLowering.h"
18 #include "SystemZISelLowering.h"
19 #include "SystemZInstrInfo.h"
20 #include "SystemZRegisterInfo.h"
21 #include "SystemZSelectionDAGInfo.h"
22 #include "llvm/IR/DataLayout.h"
23 #include "llvm/ADT/Triple.h"
24 #include "llvm/Target/TargetSubtargetInfo.h"
27 #define GET_SUBTARGETINFO_HEADER
28 #include "SystemZGenSubtargetInfo.inc"
34 class SystemZSubtarget : public SystemZGenSubtargetInfo {
35 virtual void anchor();
38 bool HasLoadStoreOnCond;
41 bool HasPopulationCount;
42 bool HasFastSerialization;
43 bool HasInterlockedAccess1;
44 bool HasMiscellaneousExtensions;
45 bool HasTransactionalExecution;
46 bool HasProcessorAssist;
50 SystemZInstrInfo InstrInfo;
51 SystemZTargetLowering TLInfo;
52 SystemZSelectionDAGInfo TSInfo;
53 SystemZFrameLowering FrameLowering;
55 SystemZSubtarget &initializeSubtargetDependencies(StringRef CPU,
58 SystemZSubtarget(const std::string &TT, const std::string &CPU,
59 const std::string &FS, const TargetMachine &TM);
61 const TargetFrameLowering *getFrameLowering() const override {
62 return &FrameLowering;
64 const SystemZInstrInfo *getInstrInfo() const override { return &InstrInfo; }
65 const SystemZRegisterInfo *getRegisterInfo() const override {
66 return &InstrInfo.getRegisterInfo();
68 const SystemZTargetLowering *getTargetLowering() const override {
71 const TargetSelectionDAGInfo *getSelectionDAGInfo() const override {
75 // This is important for reducing register pressure in vector code.
76 bool useAA() const override { return true; }
78 // Automatically generated by tblgen.
79 void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
81 // Return true if the target has the distinct-operands facility.
82 bool hasDistinctOps() const { return HasDistinctOps; }
84 // Return true if the target has the load/store-on-condition facility.
85 bool hasLoadStoreOnCond() const { return HasLoadStoreOnCond; }
87 // Return true if the target has the high-word facility.
88 bool hasHighWord() const { return HasHighWord; }
90 // Return true if the target has the floating-point extension facility.
91 bool hasFPExtension() const { return HasFPExtension; }
93 // Return true if the target has the population-count facility.
94 bool hasPopulationCount() const { return HasPopulationCount; }
96 // Return true if the target has the fast-serialization facility.
97 bool hasFastSerialization() const { return HasFastSerialization; }
99 // Return true if the target has interlocked-access facility 1.
100 bool hasInterlockedAccess1() const { return HasInterlockedAccess1; }
102 // Return true if the target has the miscellaneous-extensions facility.
103 bool hasMiscellaneousExtensions() const {
104 return HasMiscellaneousExtensions;
107 // Return true if the target has the transactional-execution facility.
108 bool hasTransactionalExecution() const { return HasTransactionalExecution; }
110 // Return true if the target has the processor-assist facility.
111 bool hasProcessorAssist() const { return HasProcessorAssist; }
113 // Return true if GV can be accessed using LARL for reloc model RM
114 // and code model CM.
115 bool isPC32DBLSymbol(const GlobalValue *GV, Reloc::Model RM,
116 CodeModel::Model CM) const;
118 bool isTargetELF() const { return TargetTriple.isOSBinFormatELF(); }
120 } // end namespace llvm