1 files changed, 0 insertions, 188 deletions
diff --git a/contrib/llvm/lib/TableGen/JSONBackend.cpp b/contrib/llvm/lib/TableGen/JSONBackend.cpp
deleted file mode 100644
index 196644cda667..000000000000
--- a/contrib/llvm/lib/TableGen/JSONBackend.cpp
+++ /dev/null
@@ -1,188 +0,0 @@
-//===- JSONBackend.cpp - Generate a JSON dump of all records. -*- C++ -*-=====//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-//
-// This TableGen back end generates a machine-readable representation
-// of all the classes and records defined by the input, in JSON format.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/ADT/BitVector.h"
-#include "llvm/Support/Debug.h"
-#include "llvm/TableGen/Error.h"
-#include "llvm/TableGen/Record.h"
-#include "llvm/TableGen/TableGenBackend.h"
-#include "llvm/Support/JSON.h"
-
-#define DEBUG_TYPE "json-emitter"
-
-using namespace llvm;
-
-namespace {
-
-class JSONEmitter {
-private:
-  RecordKeeper &Records;
-
-  json::Value translateInit(const Init &I);
-  json::Array listSuperclasses(const Record &R);
-
-public:
-  JSONEmitter(RecordKeeper &R);
-
-  void run(raw_ostream &OS);
-};
-
-} // end anonymous namespace
-
-JSONEmitter::JSONEmitter(RecordKeeper &R) : Records(R) {}
-
-json::Value JSONEmitter::translateInit(const Init &I) {
-
-  // Init subclasses that we return as JSON primitive values of one
-  // kind or another.
-
-  if (isa<UnsetInit>(&I)) {
-    return nullptr;
-  } else if (auto *Bit = dyn_cast<BitInit>(&I)) {
-    return Bit->getValue() ? 1 : 0;
-  } else if (auto *Bits = dyn_cast<BitsInit>(&I)) {
-    json::Array array;
-    for (unsigned i = 0, limit = Bits->getNumBits(); i < limit; i++)
-      array.push_back(translateInit(*Bits->getBit(i)));
-    return std::move(array);
-  } else if (auto *Int = dyn_cast<IntInit>(&I)) {
-    return Int->getValue();
-  } else if (auto *Str = dyn_cast<StringInit>(&I)) {
-    return Str->getValue();
-  } else if (auto *Code = dyn_cast<CodeInit>(&I)) {
-    return Code->getValue();
-  } else if (auto *List = dyn_cast<ListInit>(&I)) {
-    json::Array array;
-    for (auto val : *List)
-      array.push_back(translateInit(*val));
-    return std::move(array);
-  }
-
-  // Init subclasses that we return as JSON objects containing a
-  // 'kind' discriminator. For these, we also provide the same
-  // translation back into TableGen input syntax that -print-records
-  // would give.
-
-  json::Object obj;
-  obj["printable"] = I.getAsString();
-
-  if (auto *Def = dyn_cast<DefInit>(&I)) {
-    obj["kind"] = "def";
-    obj["def"] = Def->getDef()->getName();
-    return std::move(obj);
-  } else if (auto *Var = dyn_cast<VarInit>(&I)) {
-    obj["kind"] = "var";
-    obj["var"] = Var->getName();
-    return std::move(obj);
-  } else if (auto *VarBit = dyn_cast<VarBitInit>(&I)) {
-    if (auto *Var = dyn_cast<VarInit>(VarBit->getBitVar())) {
-      obj["kind"] = "varbit";
-      obj["var"] = Var->getName();
-      obj["index"] = VarBit->getBitNum();
-      return std::move(obj);
-    }
-  } else if (auto *Dag = dyn_cast<DagInit>(&I)) {
-    obj["kind"] = "dag";
-    obj["operator"] = translateInit(*Dag->getOperator());
-    if (auto name = Dag->getName())
-      obj["name"] = name->getAsUnquotedString();
-    json::Array args;
-    for (unsigned i = 0, limit = Dag->getNumArgs(); i < limit; ++i) {
-      json::Array arg;
-      arg.push_back(translateInit(*Dag->getArg(i)));
-      if (auto argname = Dag->getArgName(i))
-        arg.push_back(argname->getAsUnquotedString());
-      else
-        arg.push_back(nullptr);
-      args.push_back(std::move(arg));
-    }
-    obj["args"] = std::move(args);
-    return std::move(obj);
-  }
-
-  // Final fallback: anything that gets past here is simply given a
-  // kind field of 'complex', and the only other field is the standard
-  // 'printable' representation.
-
-  assert(!I.isConcrete());
-  obj["kind"] = "complex";
-  return std::move(obj);
-}
-
-void JSONEmitter::run(raw_ostream &OS) {
-  json::Object root;
-
-  root["!tablegen_json_version"] = 1;
-
-  // Prepare the arrays that will list the instances of every class.
-  // We mostly fill those in by iterating over the superclasses of
-  // each def, but we also want to ensure we store an empty list for a
-  // class with no instances at all, so we do a preliminary iteration
-  // over the classes, invoking std::map::operator[] to default-
-  // construct the array for each one.
-  std::map<std::string, json::Array> instance_lists;
-  for (const auto &C : Records.getClasses()) {
-    auto &Name = C.second->getNameInitAsString();
-    (void)instance_lists[Name];
-  }
-
-  // Main iteration over the defs.
-  for (const auto &D : Records.getDefs()) {
-    auto &Name = D.second->getNameInitAsString();
-    auto &Def = *D.second;
-
-    json::Object obj;
-    json::Array fields;
-
-    for (const RecordVal &RV : Def.getValues()) {
-      if (!Def.isTemplateArg(RV.getNameInit())) {
-        auto Name = RV.getNameInitAsString();
-        if (RV.getPrefix())
-          fields.push_back(Name);
-        obj[Name] = translateInit(*RV.getValue());
-      }
-    }
-
-    obj["!fields"] = std::move(fields);
-
-    json::Array superclasses;
-    for (const auto &SuperPair : Def.getSuperClasses())
-      superclasses.push_back(SuperPair.first->getNameInitAsString());
-    obj["!superclasses"] = std::move(superclasses);
-
-    obj["!name"] = Name;
-    obj["!anonymous"] = Def.isAnonymous();
-
-    root[Name] = std::move(obj);
-
-    // Add this def to the instance list for each of its superclasses.
-    for (const auto &SuperPair : Def.getSuperClasses()) {
-      auto SuperName = SuperPair.first->getNameInitAsString();
-      instance_lists[SuperName].push_back(Name);
-    }
-  }
-
-  // Make a JSON object from the std::map of instance lists.
-  json::Object instanceof;
-  for (auto kv: instance_lists)
-    instanceof[kv.first] = std::move(kv.second);
-  root["!instanceof"] = std::move(instanceof);
-
-  // Done. Write the output.
-  OS << json::Value(std::move(root)) << "\n";
-}
-
-namespace llvm {
-
-void EmitJSON(RecordKeeper &RK, raw_ostream &OS) { JSONEmitter(RK).run(OS); }
-} // end namespace llvm