llvm/lib/Target/VE/MCTargetDesc/VEMCTargetDesc.cpp

   1 //===-- VEMCTargetDesc.cpp - VE Target Descriptions -----------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file provides VE specific target descriptions.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #include "VEMCTargetDesc.h"
  14 #include "TargetInfo/VETargetInfo.h"
  15 #include "VEInstPrinter.h"
  16 #include "VEMCAsmInfo.h"
  17 #include "VETargetStreamer.h"
  18 #include "llvm/MC/MCInstrInfo.h"
  19 #include "llvm/MC/MCRegisterInfo.h"
  20 #include "llvm/MC/MCSubtargetInfo.h"
  21 #include "llvm/MC/TargetRegistry.h"
  22 #include "llvm/Support/ErrorHandling.h"
  23
  24 using namespace llvm;
  25
  26 #define GET_INSTRINFO_MC_DESC
  27 #define ENABLE_INSTR_PREDICATE_VERIFIER
  28 #include "VEGenInstrInfo.inc"
  29
  30 #define GET_SUBTARGETINFO_MC_DESC
  31 #include "VEGenSubtargetInfo.inc"
  32
  33 #define GET_REGINFO_MC_DESC
  34 #include "VEGenRegisterInfo.inc"
  35
  36 static MCAsmInfo *createVEMCAsmInfo(const MCRegisterInfo &MRI, const Triple &TT,
  37                                     const MCTargetOptions &Options) {
  38   MCAsmInfo *MAI = new VEELFMCAsmInfo(TT);
  39   unsigned Reg = MRI.getDwarfRegNum(VE::SX11, true);
  40   MCCFIInstruction Inst = MCCFIInstruction::cfiDefCfa(nullptr, Reg, 0);
  41   MAI->addInitialFrameState(Inst);
  42   return MAI;
  43 }
  44
  45 static MCInstrInfo *createVEMCInstrInfo() {
  46   MCInstrInfo *X = new MCInstrInfo();
  47   InitVEMCInstrInfo(X);
  48   return X;
  49 }
  50
  51 static MCRegisterInfo *createVEMCRegisterInfo(const Triple &TT) {
  52   MCRegisterInfo *X = new MCRegisterInfo();
  53   InitVEMCRegisterInfo(X, VE::SX10);
  54   return X;
  55 }
  56
  57 static MCSubtargetInfo *createVEMCSubtargetInfo(const Triple &TT, StringRef CPU,
  58                                                 StringRef FS) {
  59   if (CPU.empty())
  60     CPU = "generic";
  61   return createVEMCSubtargetInfoImpl(TT, CPU, /*TuneCPU=*/CPU, FS);
  62 }
  63
  64 static MCTargetStreamer *
  65 createObjectTargetStreamer(MCStreamer &S, const MCSubtargetInfo &STI) {
  66   return new VETargetELFStreamer(S);
  67 }
  68
  69 static MCTargetStreamer *createTargetAsmStreamer(MCStreamer &S,
  70                                                  formatted_raw_ostream &OS,
  71                                                  MCInstPrinter *InstPrint) {
  72   return new VETargetAsmStreamer(S, OS);
  73 }
  74
  75 static MCTargetStreamer *createNullTargetStreamer(MCStreamer &S) {
  76   return new VETargetStreamer(S);
  77 }
  78
  79 static MCInstPrinter *createVEMCInstPrinter(const Triple &T,
  80                                             unsigned SyntaxVariant,
  81                                             const MCAsmInfo &MAI,
  82                                             const MCInstrInfo &MII,
  83                                             const MCRegisterInfo &MRI) {
  84   return new VEInstPrinter(MAI, MII, MRI);
  85 }
  86
  87 extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeVETargetMC() {
  88   // Register the MC asm info.
  89   RegisterMCAsmInfoFn X(getTheVETarget(), createVEMCAsmInfo);
  90
  91   for (Target *T : {&getTheVETarget()}) {
  92     // Register the MC instruction info.
  93     TargetRegistry::RegisterMCInstrInfo(*T, createVEMCInstrInfo);
  94
  95     // Register the MC register info.
  96     TargetRegistry::RegisterMCRegInfo(*T, createVEMCRegisterInfo);
  97
  98     // Register the MC subtarget info.
  99     TargetRegistry::RegisterMCSubtargetInfo(*T, createVEMCSubtargetInfo);
 100
 101     // Register the MC Code Emitter.
 102     TargetRegistry::RegisterMCCodeEmitter(*T, createVEMCCodeEmitter);
 103
 104     // Register the asm backend.
 105     TargetRegistry::RegisterMCAsmBackend(*T, createVEAsmBackend);
 106
 107     // Register the object target streamer.
 108     TargetRegistry::RegisterObjectTargetStreamer(*T,
 109                                                  createObjectTargetStreamer);
 110
 111     // Register the asm streamer.
 112     TargetRegistry::RegisterAsmTargetStreamer(*T, createTargetAsmStreamer);
 113
 114     // Register the null streamer.
 115     TargetRegistry::RegisterNullTargetStreamer(*T, createNullTargetStreamer);
 116
 117     // Register the MCInstPrinter
 118     TargetRegistry::RegisterMCInstPrinter(*T, createVEMCInstPrinter);
 119   }
 120 }