Home | History | Annotate | Download | only in MCTargetDesc
      1 //===-- NVPTXMCTargetDesc.cpp - NVPTX Target Descriptions -------*- 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 provides NVPTX specific target descriptions.
     11 //
     12 //===----------------------------------------------------------------------===//
     13 
     14 #include "InstPrinter/NVPTXInstPrinter.h"
     15 #include "NVPTXMCAsmInfo.h"
     16 #include "NVPTXMCTargetDesc.h"
     17 #include "NVPTXTargetStreamer.h"
     18 #include "llvm/MC/MCInstrInfo.h"
     19 #include "llvm/MC/MCRegisterInfo.h"
     20 #include "llvm/MC/MCSubtargetInfo.h"
     21 #include "llvm/Support/TargetRegistry.h"
     22 
     23 using namespace llvm;
     24 
     25 #define GET_INSTRINFO_MC_DESC
     26 #include "NVPTXGenInstrInfo.inc"
     27 
     28 #define GET_SUBTARGETINFO_MC_DESC
     29 #include "NVPTXGenSubtargetInfo.inc"
     30 
     31 #define GET_REGINFO_MC_DESC
     32 #include "NVPTXGenRegisterInfo.inc"
     33 
     34 static MCInstrInfo *createNVPTXMCInstrInfo() {
     35   MCInstrInfo *X = new MCInstrInfo();
     36   InitNVPTXMCInstrInfo(X);
     37   return X;
     38 }
     39 
     40 static MCRegisterInfo *createNVPTXMCRegisterInfo(const Triple &TT) {
     41   MCRegisterInfo *X = new MCRegisterInfo();
     42   // PTX does not have a return address register.
     43   InitNVPTXMCRegisterInfo(X, 0);
     44   return X;
     45 }
     46 
     47 static MCSubtargetInfo *
     48 createNVPTXMCSubtargetInfo(const Triple &TT, StringRef CPU, StringRef FS) {
     49   return createNVPTXMCSubtargetInfoImpl(TT, CPU, FS);
     50 }
     51 
     52 static MCInstPrinter *createNVPTXMCInstPrinter(const Triple &T,
     53                                                unsigned SyntaxVariant,
     54                                                const MCAsmInfo &MAI,
     55                                                const MCInstrInfo &MII,
     56                                                const MCRegisterInfo &MRI) {
     57   if (SyntaxVariant == 0)
     58     return new NVPTXInstPrinter(MAI, MII, MRI);
     59   return nullptr;
     60 }
     61 
     62 static MCTargetStreamer *createTargetAsmStreamer(MCStreamer &S,
     63                                                  formatted_raw_ostream &,
     64                                                  MCInstPrinter *, bool) {
     65   return new NVPTXTargetStreamer(S);
     66 }
     67 
     68 // Force static initialization.
     69 extern "C" void LLVMInitializeNVPTXTargetMC() {
     70   for (Target *T : {&getTheNVPTXTarget32(), &getTheNVPTXTarget64()}) {
     71     // Register the MC asm info.
     72     RegisterMCAsmInfo<NVPTXMCAsmInfo> X(*T);
     73 
     74     // Register the MC instruction info.
     75     TargetRegistry::RegisterMCInstrInfo(*T, createNVPTXMCInstrInfo);
     76 
     77     // Register the MC register info.
     78     TargetRegistry::RegisterMCRegInfo(*T, createNVPTXMCRegisterInfo);
     79 
     80     // Register the MC subtarget info.
     81     TargetRegistry::RegisterMCSubtargetInfo(*T, createNVPTXMCSubtargetInfo);
     82 
     83     // Register the MCInstPrinter.
     84     TargetRegistry::RegisterMCInstPrinter(*T, createNVPTXMCInstPrinter);
     85 
     86     // Register the MCTargetStreamer.
     87     TargetRegistry::RegisterAsmTargetStreamer(*T, createTargetAsmStreamer);
     88   }
     89 }
     90