fix ya.make

2 files changed, 707 insertions, 0 deletions

diff --git a/contrib/libs/llvm12/tools/lto/LTODisassembler.cpp b/contrib/libs/llvm12/tools/lto/LTODisassembler.cpp
new file mode 100644
index 0000000000..1c4cc6af29
--- /dev/null
+++ b/contrib/libs/llvm12/tools/lto/LTODisassembler.cpp
@@ -0,0 +1,25 @@
+//===-- LTODisassembler.cpp - LTO Disassembler interface ------------------===//
+//
+// 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 function provides utility methods used by clients of libLTO that want
+// to use the disassembler.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm-c/lto.h"
+#include "llvm/Support/TargetSelect.h"
+
+using namespace llvm;
+
+void lto_initialize_disassembler() {
+  // Initialize targets and assembly printers/parsers.
+  llvm::InitializeAllTargetInfos();
+  llvm::InitializeAllTargetMCs();
+  llvm::InitializeAllAsmParsers();
+  llvm::InitializeAllDisassemblers();
+}
diff --git a/contrib/libs/llvm12/tools/lto/lto.cpp b/contrib/libs/llvm12/tools/lto/lto.cpp
new file mode 100644
index 0000000000..688c7f275e
--- /dev/null
+++ b/contrib/libs/llvm12/tools/lto/lto.cpp
@@ -0,0 +1,682 @@
+//===-lto.cpp - LLVM Link Time Optimizer ----------------------------------===//
+//
+// 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 file implements the Link Time Optimization library. This library is
+// intended to be used by linker to optimize code at link time.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm-c/lto.h"
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/Bitcode/BitcodeReader.h"
+#include "llvm/CodeGen/CommandFlags.h"
+#include "llvm/IR/DiagnosticInfo.h"
+#include "llvm/IR/DiagnosticPrinter.h"
+#include "llvm/IR/LLVMContext.h"
+#include "llvm/LTO/LTO.h"
+#include "llvm/LTO/legacy/LTOCodeGenerator.h"
+#include "llvm/LTO/legacy/LTOModule.h"
+#include "llvm/LTO/legacy/ThinLTOCodeGenerator.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/Signals.h"
+#include "llvm/Support/TargetSelect.h"
+#include "llvm/Support/raw_ostream.h"
+
+using namespace llvm;
+
+static codegen::RegisterCodeGenFlags CGF;
+
+// extra command-line flags needed for LTOCodeGenerator
+static cl::opt<char>
+OptLevel("O",
+         cl::desc("Optimization level. [-O0, -O1, -O2, or -O3] "
+                  "(default = '-O2')"),
+         cl::Prefix,
+         cl::ZeroOrMore,
+         cl::init('2'));
+
+static cl::opt<bool> EnableFreestanding(
+    "lto-freestanding", cl::init(false),
+    cl::desc("Enable Freestanding (disable builtins / TLI) during LTO"));
+
+#ifdef NDEBUG
+static bool VerifyByDefault = false;
+#else
+static bool VerifyByDefault = true;
+#endif
+
+static cl::opt<bool> DisableVerify(
+    "disable-llvm-verifier", cl::init(!VerifyByDefault),
+    cl::desc("Don't run the LLVM verifier during the optimization pipeline"));
+
+// Holds most recent error string.
+// *** Not thread safe ***
+static std::string sLastErrorString;
+
+// Holds the initialization state of the LTO module.
+// *** Not thread safe ***
+static bool initialized = false;
+
+// Holds the command-line option parsing state of the LTO module.
+static bool parsedOptions = false;
+
+static LLVMContext *LTOContext = nullptr;
+
+struct LTOToolDiagnosticHandler : public DiagnosticHandler {
+  bool handleDiagnostics(const DiagnosticInfo &DI) override {
+    if (DI.getSeverity() != DS_Error) {
+      DiagnosticPrinterRawOStream DP(errs());
+      DI.print(DP);
+      errs() << '\n';
+      return true;
+    }
+    sLastErrorString = "";
+    {
+      raw_string_ostream Stream(sLastErrorString);
+      DiagnosticPrinterRawOStream DP(Stream);
+      DI.print(DP);
+    }
+    return true;
+  }
+};
+
+// Initialize the configured targets if they have not been initialized.
+static void lto_initialize() {
+  if (!initialized) {
+#ifdef _WIN32
+    // Dialog box on crash disabling doesn't work across DLL boundaries, so do
+    // it here.
+    llvm::sys::DisableSystemDialogsOnCrash();
+#endif
+
+    InitializeAllTargetInfos();
+    InitializeAllTargets();
+    InitializeAllTargetMCs();
+    InitializeAllAsmParsers();
+    InitializeAllAsmPrinters();
+    InitializeAllDisassemblers();
+
+    static LLVMContext Context;
+    LTOContext = &Context;
+    LTOContext->setDiagnosticHandler(
+        std::make_unique<LTOToolDiagnosticHandler>(), true);
+    initialized = true;
+  }
+}
+
+namespace {
+
+static void handleLibLTODiagnostic(lto_codegen_diagnostic_severity_t Severity,
+                                   const char *Msg, void *) {
+  sLastErrorString = Msg;
+}
+
+// This derived class owns the native object file. This helps implement the
+// libLTO API semantics, which require that the code generator owns the object
+// file.
+struct LibLTOCodeGenerator : LTOCodeGenerator {
+  LibLTOCodeGenerator() : LTOCodeGenerator(*LTOContext) { init(); }
+  LibLTOCodeGenerator(std::unique_ptr<LLVMContext> Context)
+      : LTOCodeGenerator(*Context), OwnedContext(std::move(Context)) {
+    init();
+  }
+
+  // Reset the module first in case MergedModule is created in OwnedContext.
+  // Module must be destructed before its context gets destructed.
+  ~LibLTOCodeGenerator() { resetMergedModule(); }
+
+  void init() { setDiagnosticHandler(handleLibLTODiagnostic, nullptr); }
+
+  std::unique_ptr<MemoryBuffer> NativeObjectFile;
+  std::unique_ptr<LLVMContext> OwnedContext;
+};
+
+}
+
+DEFINE_SIMPLE_CONVERSION_FUNCTIONS(LibLTOCodeGenerator, lto_code_gen_t)
+DEFINE_SIMPLE_CONVERSION_FUNCTIONS(ThinLTOCodeGenerator, thinlto_code_gen_t)
+DEFINE_SIMPLE_CONVERSION_FUNCTIONS(LTOModule, lto_module_t)
+
+// Convert the subtarget features into a string to pass to LTOCodeGenerator.
+static void lto_add_attrs(lto_code_gen_t cg) {
+  LTOCodeGenerator *CG = unwrap(cg);
+  CG->setAttrs(codegen::getMAttrs());
+
+  if (OptLevel < '0' || OptLevel > '3')
+    report_fatal_error("Optimization level must be between 0 and 3");
+  CG->setOptLevel(OptLevel - '0');
+  CG->setFreestanding(EnableFreestanding);
+  CG->setDisableVerify(DisableVerify);
+}
+
+extern const char* lto_get_version() {
+  return LTOCodeGenerator::getVersionString();
+}
+
+const char* lto_get_error_message() {
+  return sLastErrorString.c_str();
+}
+
+bool lto_module_is_object_file(const char* path) {
+  return LTOModule::isBitcodeFile(StringRef(path));
+}
+
+bool lto_module_is_object_file_for_target(const char* path,
+                                          const char* target_triplet_prefix) {
+  ErrorOr<std::unique_ptr<MemoryBuffer>> Buffer = MemoryBuffer::getFile(path);
+  if (!Buffer)
+    return false;
+  return LTOModule::isBitcodeForTarget(Buffer->get(),
+                                       StringRef(target_triplet_prefix));
+}
+
+bool lto_module_has_objc_category(const void *mem, size_t length) {
+  std::unique_ptr<MemoryBuffer> Buffer(LTOModule::makeBuffer(mem, length));
+  if (!Buffer)
+    return false;
+  LLVMContext Ctx;
+  ErrorOr<bool> Result = expectedToErrorOrAndEmitErrors(
+      Ctx, llvm::isBitcodeContainingObjCCategory(*Buffer));
+  return Result && *Result;
+}
+
+bool lto_module_is_object_file_in_memory(const void* mem, size_t length) {
+  return LTOModule::isBitcodeFile(mem, length);
+}
+
+bool
+lto_module_is_object_file_in_memory_for_target(const void* mem,
+                                            size_t length,
+                                            const char* target_triplet_prefix) {
+  std::unique_ptr<MemoryBuffer> buffer(LTOModule::makeBuffer(mem, length));
+  if (!buffer)
+    return false;
+  return LTOModule::isBitcodeForTarget(buffer.get(),
+                                       StringRef(target_triplet_prefix));
+}
+
+lto_module_t lto_module_create(const char* path) {
+  lto_initialize();
+  llvm::TargetOptions Options =
+      codegen::InitTargetOptionsFromCodeGenFlags(Triple());
+  ErrorOr<std::unique_ptr<LTOModule>> M =
+      LTOModule::createFromFile(*LTOContext, StringRef(path), Options);
+  if (!M)
+    return nullptr;
+  return wrap(M->release());
+}
+
+lto_module_t lto_module_create_from_fd(int fd, const char *path, size_t size) {
+  lto_initialize();
+  llvm::TargetOptions Options =
+      codegen::InitTargetOptionsFromCodeGenFlags(Triple());
+  ErrorOr<std::unique_ptr<LTOModule>> M = LTOModule::createFromOpenFile(
+      *LTOContext, fd, StringRef(path), size, Options);
+  if (!M)
+    return nullptr;
+  return wrap(M->release());
+}
+
+lto_module_t lto_module_create_from_fd_at_offset(int fd, const char *path,
+                                                 size_t file_size,
+                                                 size_t map_size,
+                                                 off_t offset) {
+  lto_initialize();
+  llvm::TargetOptions Options =
+      codegen::InitTargetOptionsFromCodeGenFlags(Triple());
+  ErrorOr<std::unique_ptr<LTOModule>> M = LTOModule::createFromOpenFileSlice(
+      *LTOContext, fd, StringRef(path), map_size, offset, Options);
+  if (!M)
+    return nullptr;
+  return wrap(M->release());
+}
+
+lto_module_t lto_module_create_from_memory(const void* mem, size_t length) {
+  lto_initialize();
+  llvm::TargetOptions Options =
+      codegen::InitTargetOptionsFromCodeGenFlags(Triple());
+  ErrorOr<std::unique_ptr<LTOModule>> M =
+      LTOModule::createFromBuffer(*LTOContext, mem, length, Options);
+  if (!M)
+    return nullptr;
+  return wrap(M->release());
+}
+
+lto_module_t lto_module_create_from_memory_with_path(const void* mem,
+                                                     size_t length,
+                                                     const char *path) {
+  lto_initialize();
+  llvm::TargetOptions Options =
+      codegen::InitTargetOptionsFromCodeGenFlags(Triple());
+  ErrorOr<std::unique_ptr<LTOModule>> M = LTOModule::createFromBuffer(
+      *LTOContext, mem, length, Options, StringRef(path));
+  if (!M)
+    return nullptr;
+  return wrap(M->release());
+}
+
+lto_module_t lto_module_create_in_local_context(const void *mem, size_t length,
+                                                const char *path) {
+  lto_initialize();
+  llvm::TargetOptions Options =
+      codegen::InitTargetOptionsFromCodeGenFlags(Triple());
+
+  // Create a local context. Ownership will be transferred to LTOModule.
+  std::unique_ptr<LLVMContext> Context = std::make_unique<LLVMContext>();
+  Context->setDiagnosticHandler(std::make_unique<LTOToolDiagnosticHandler>(),
+                                true);
+
+  ErrorOr<std::unique_ptr<LTOModule>> M = LTOModule::createInLocalContext(
+      std::move(Context), mem, length, Options, StringRef(path));
+  if (!M)
+    return nullptr;
+  return wrap(M->release());
+}
+
+lto_module_t lto_module_create_in_codegen_context(const void *mem,
+                                                  size_t length,
+                                                  const char *path,
+                                                  lto_code_gen_t cg) {
+  lto_initialize();
+  llvm::TargetOptions Options =
+      codegen::InitTargetOptionsFromCodeGenFlags(Triple());
+  ErrorOr<std::unique_ptr<LTOModule>> M = LTOModule::createFromBuffer(
+      unwrap(cg)->getContext(), mem, length, Options, StringRef(path));
+  return wrap(M->release());
+}
+
+void lto_module_dispose(lto_module_t mod) { delete unwrap(mod); }
+
+const char* lto_module_get_target_triple(lto_module_t mod) {
+  return unwrap(mod)->getTargetTriple().c_str();
+}
+
+void lto_module_set_target_triple(lto_module_t mod, const char *triple) {
+  return unwrap(mod)->setTargetTriple(StringRef(triple));
+}
+
+unsigned int lto_module_get_num_symbols(lto_module_t mod) {
+  return unwrap(mod)->getSymbolCount();
+}
+
+const char* lto_module_get_symbol_name(lto_module_t mod, unsigned int index) {
+  return unwrap(mod)->getSymbolName(index).data();
+}
+
+lto_symbol_attributes lto_module_get_symbol_attribute(lto_module_t mod,
+                                                      unsigned int index) {
+  return unwrap(mod)->getSymbolAttributes(index);
+}
+
+const char* lto_module_get_linkeropts(lto_module_t mod) {
+  return unwrap(mod)->getLinkerOpts().data();
+}
+
+lto_bool_t lto_module_get_macho_cputype(lto_module_t mod,
+                                        unsigned int *out_cputype,
+                                        unsigned int *out_cpusubtype) {
+  LTOModule *M = unwrap(mod);
+  Expected<uint32_t> CPUType = M->getMachOCPUType();
+  if (!CPUType) {
+    sLastErrorString = toString(CPUType.takeError());
+    return true;
+  }
+  *out_cputype = *CPUType;
+
+  Expected<uint32_t> CPUSubType = M->getMachOCPUSubType();
+  if (!CPUSubType) {
+    sLastErrorString = toString(CPUSubType.takeError());
+    return true;
+  }
+  *out_cpusubtype = *CPUSubType;
+
+  return false;
+}
+
+void lto_codegen_set_diagnostic_handler(lto_code_gen_t cg,
+                                        lto_diagnostic_handler_t diag_handler,
+                                        void *ctxt) {
+  unwrap(cg)->setDiagnosticHandler(diag_handler, ctxt);
+}
+
+static lto_code_gen_t createCodeGen(bool InLocalContext) {
+  lto_initialize();
+
+  TargetOptions Options = codegen::InitTargetOptionsFromCodeGenFlags(Triple());
+
+  LibLTOCodeGenerator *CodeGen =
+      InLocalContext ? new LibLTOCodeGenerator(std::make_unique<LLVMContext>())
+                     : new LibLTOCodeGenerator();
+  CodeGen->setTargetOptions(Options);
+  return wrap(CodeGen);
+}
+
+lto_code_gen_t lto_codegen_create(void) {
+  return createCodeGen(/* InLocalContext */ false);
+}
+
+lto_code_gen_t lto_codegen_create_in_local_context(void) {
+  return createCodeGen(/* InLocalContext */ true);
+}
+
+void lto_codegen_dispose(lto_code_gen_t cg) { delete unwrap(cg); }
+
+bool lto_codegen_add_module(lto_code_gen_t cg, lto_module_t mod) {
+  return !unwrap(cg)->addModule(unwrap(mod));
+}
+
+void lto_codegen_set_module(lto_code_gen_t cg, lto_module_t mod) {
+  unwrap(cg)->setModule(std::unique_ptr<LTOModule>(unwrap(mod)));
+}
+
+bool lto_codegen_set_debug_model(lto_code_gen_t cg, lto_debug_model debug) {
+  unwrap(cg)->setDebugInfo(debug);
+  return false;
+}
+
+bool lto_codegen_set_pic_model(lto_code_gen_t cg, lto_codegen_model model) {
+  switch (model) {
+  case LTO_CODEGEN_PIC_MODEL_STATIC:
+    unwrap(cg)->setCodePICModel(Reloc::Static);
+    return false;
+  case LTO_CODEGEN_PIC_MODEL_DYNAMIC:
+    unwrap(cg)->setCodePICModel(Reloc::PIC_);
+    return false;
+  case LTO_CODEGEN_PIC_MODEL_DYNAMIC_NO_PIC:
+    unwrap(cg)->setCodePICModel(Reloc::DynamicNoPIC);
+    return false;
+  case LTO_CODEGEN_PIC_MODEL_DEFAULT:
+    unwrap(cg)->setCodePICModel(None);
+    return false;
+  }
+  sLastErrorString = "Unknown PIC model";
+  return true;
+}
+
+void lto_codegen_set_cpu(lto_code_gen_t cg, const char *cpu) {
+  return unwrap(cg)->setCpu(cpu);
+}
+
+void lto_codegen_set_assembler_path(lto_code_gen_t cg, const char *path) {
+  // In here only for backwards compatibility. We use MC now.
+}
+
+void lto_codegen_set_assembler_args(lto_code_gen_t cg, const char **args,
+                                    int nargs) {
+  // In here only for backwards compatibility. We use MC now.
+}
+
+void lto_codegen_add_must_preserve_symbol(lto_code_gen_t cg,
+                                          const char *symbol) {
+  unwrap(cg)->addMustPreserveSymbol(symbol);
+}
+
+static void maybeParseOptions(lto_code_gen_t cg) {
+  if (!parsedOptions) {
+    unwrap(cg)->parseCodeGenDebugOptions();
+    lto_add_attrs(cg);
+    parsedOptions = true;
+  }
+}
+
+bool lto_codegen_write_merged_modules(lto_code_gen_t cg, const char *path) {
+  maybeParseOptions(cg);
+  return !unwrap(cg)->writeMergedModules(path);
+}
+
+const void *lto_codegen_compile(lto_code_gen_t cg, size_t *length) {
+  maybeParseOptions(cg);
+  LibLTOCodeGenerator *CG = unwrap(cg);
+  CG->NativeObjectFile = CG->compile();
+  if (!CG->NativeObjectFile)
+    return nullptr;
+  *length = CG->NativeObjectFile->getBufferSize();
+  return CG->NativeObjectFile->getBufferStart();
+}
+
+bool lto_codegen_optimize(lto_code_gen_t cg) {
+  maybeParseOptions(cg);
+  return !unwrap(cg)->optimize();
+}
+
+const void *lto_codegen_compile_optimized(lto_code_gen_t cg, size_t *length) {
+  maybeParseOptions(cg);
+  LibLTOCodeGenerator *CG = unwrap(cg);
+  CG->NativeObjectFile = CG->compileOptimized();
+  if (!CG->NativeObjectFile)
+    return nullptr;
+  *length = CG->NativeObjectFile->getBufferSize();
+  return CG->NativeObjectFile->getBufferStart();
+}
+
+bool lto_codegen_compile_to_file(lto_code_gen_t cg, const char **name) {
+  maybeParseOptions(cg);
+  return !unwrap(cg)->compile_to_file(name);
+}
+
+void lto_codegen_debug_options(lto_code_gen_t cg, const char *opt) {
+  SmallVector<StringRef, 4> Options;
+  for (std::pair<StringRef, StringRef> o = getToken(opt); !o.first.empty();
+       o = getToken(o.second))
+    Options.push_back(o.first);
+
+  unwrap(cg)->setCodeGenDebugOptions(Options);
+}
+
+void lto_codegen_debug_options_array(lto_code_gen_t cg,
+                                     const char *const *options, int number) {
+  SmallVector<StringRef, 4> Options;
+  for (int i = 0; i < number; ++i)
+    Options.push_back(options[i]);
+  unwrap(cg)->setCodeGenDebugOptions(makeArrayRef(Options));
+}
+
+unsigned int lto_api_version() { return LTO_API_VERSION; }
+
+void lto_codegen_set_should_internalize(lto_code_gen_t cg,
+                                        bool ShouldInternalize) {
+  unwrap(cg)->setShouldInternalize(ShouldInternalize);
+}
+
+void lto_codegen_set_should_embed_uselists(lto_code_gen_t cg,
+                                           lto_bool_t ShouldEmbedUselists) {
+  unwrap(cg)->setShouldEmbedUselists(ShouldEmbedUselists);
+}
+
+// ThinLTO API below
+
+thinlto_code_gen_t thinlto_create_codegen(void) {
+  lto_initialize();
+  ThinLTOCodeGenerator *CodeGen = new ThinLTOCodeGenerator();
+  CodeGen->setTargetOptions(
+      codegen::InitTargetOptionsFromCodeGenFlags(Triple()));
+  CodeGen->setFreestanding(EnableFreestanding);
+
+  if (OptLevel.getNumOccurrences()) {
+    if (OptLevel < '0' || OptLevel > '3')
+      report_fatal_error("Optimization level must be between 0 and 3");
+    CodeGen->setOptLevel(OptLevel - '0');
+    switch (OptLevel) {
+    case '0':
+      CodeGen->setCodeGenOptLevel(CodeGenOpt::None);
+      break;
+    case '1':
+      CodeGen->setCodeGenOptLevel(CodeGenOpt::Less);
+      break;
+    case '2':
+      CodeGen->setCodeGenOptLevel(CodeGenOpt::Default);
+      break;
+    case '3':
+      CodeGen->setCodeGenOptLevel(CodeGenOpt::Aggressive);
+      break;
+    }
+  }
+  return wrap(CodeGen);
+}
+
+void thinlto_codegen_dispose(thinlto_code_gen_t cg) { delete unwrap(cg); }
+
+void thinlto_codegen_add_module(thinlto_code_gen_t cg, const char *Identifier,
+                                const char *Data, int Length) {
+  unwrap(cg)->addModule(Identifier, StringRef(Data, Length));
+}
+
+void thinlto_codegen_process(thinlto_code_gen_t cg) { unwrap(cg)->run(); }
+
+unsigned int thinlto_module_get_num_objects(thinlto_code_gen_t cg) {
+  return unwrap(cg)->getProducedBinaries().size();
+}
+LTOObjectBuffer thinlto_module_get_object(thinlto_code_gen_t cg,
+                                          unsigned int index) {
+  assert(index < unwrap(cg)->getProducedBinaries().size() && "Index overflow");
+  auto &MemBuffer = unwrap(cg)->getProducedBinaries()[index];
+  return LTOObjectBuffer{MemBuffer->getBufferStart(),
+                         MemBuffer->getBufferSize()};
+}
+
+unsigned int thinlto_module_get_num_object_files(thinlto_code_gen_t cg) {
+  return unwrap(cg)->getProducedBinaryFiles().size();
+}
+const char *thinlto_module_get_object_file(thinlto_code_gen_t cg,
+                                           unsigned int index) {
+  assert(index < unwrap(cg)->getProducedBinaryFiles().size() &&
+         "Index overflow");
+  return unwrap(cg)->getProducedBinaryFiles()[index].c_str();
+}
+
+void thinlto_codegen_disable_codegen(thinlto_code_gen_t cg,
+                                     lto_bool_t disable) {
+  unwrap(cg)->disableCodeGen(disable);
+}
+
+void thinlto_codegen_set_codegen_only(thinlto_code_gen_t cg,
+                                      lto_bool_t CodeGenOnly) {
+  unwrap(cg)->setCodeGenOnly(CodeGenOnly);
+}
+
+void thinlto_debug_options(const char *const *options, int number) {
+  // if options were requested, set them
+  if (number && options) {
+    std::vector<const char *> CodegenArgv(1, "libLTO");
+    for (auto Arg : ArrayRef<const char *>(options, number))
+      CodegenArgv.push_back(Arg);
+    cl::ParseCommandLineOptions(CodegenArgv.size(), CodegenArgv.data());
+  }
+}
+
+lto_bool_t lto_module_is_thinlto(lto_module_t mod) {
+  return unwrap(mod)->isThinLTO();
+}
+
+void thinlto_codegen_add_must_preserve_symbol(thinlto_code_gen_t cg,
+                                              const char *Name, int Length) {
+  unwrap(cg)->preserveSymbol(StringRef(Name, Length));
+}
+
+void thinlto_codegen_add_cross_referenced_symbol(thinlto_code_gen_t cg,
+                                                 const char *Name, int Length) {
+  unwrap(cg)->crossReferenceSymbol(StringRef(Name, Length));
+}
+
+void thinlto_codegen_set_cpu(thinlto_code_gen_t cg, const char *cpu) {
+  return unwrap(cg)->setCpu(cpu);
+}
+
+void thinlto_codegen_set_cache_dir(thinlto_code_gen_t cg,
+                                   const char *cache_dir) {
+  return unwrap(cg)->setCacheDir(cache_dir);
+}
+
+void thinlto_codegen_set_cache_pruning_interval(thinlto_code_gen_t cg,
+                                                int interval) {
+  return unwrap(cg)->setCachePruningInterval(interval);
+}
+
+void thinlto_codegen_set_cache_entry_expiration(thinlto_code_gen_t cg,
+                                                unsigned expiration) {
+  return unwrap(cg)->setCacheEntryExpiration(expiration);
+}
+
+void thinlto_codegen_set_final_cache_size_relative_to_available_space(
+    thinlto_code_gen_t cg, unsigned Percentage) {
+  return unwrap(cg)->setMaxCacheSizeRelativeToAvailableSpace(Percentage);
+}
+
+void thinlto_codegen_set_cache_size_bytes(
+    thinlto_code_gen_t cg, unsigned MaxSizeBytes) {
+  return unwrap(cg)->setCacheMaxSizeBytes(MaxSizeBytes);
+}
+
+void thinlto_codegen_set_cache_size_megabytes(
+    thinlto_code_gen_t cg, unsigned MaxSizeMegabytes) {
+  uint64_t MaxSizeBytes = MaxSizeMegabytes;
+  MaxSizeBytes *= 1024 * 1024;
+  return unwrap(cg)->setCacheMaxSizeBytes(MaxSizeBytes);
+}
+
+void thinlto_codegen_set_cache_size_files(
+    thinlto_code_gen_t cg, unsigned MaxSizeFiles) {
+  return unwrap(cg)->setCacheMaxSizeFiles(MaxSizeFiles);
+}
+
+void thinlto_codegen_set_savetemps_dir(thinlto_code_gen_t cg,
+                                       const char *save_temps_dir) {
+  return unwrap(cg)->setSaveTempsDir(save_temps_dir);
+}
+
+void thinlto_set_generated_objects_dir(thinlto_code_gen_t cg,
+                                       const char *save_temps_dir) {
+  unwrap(cg)->setGeneratedObjectsDirectory(save_temps_dir);
+}
+
+lto_bool_t thinlto_codegen_set_pic_model(thinlto_code_gen_t cg,
+                                         lto_codegen_model model) {
+  switch (model) {
+  case LTO_CODEGEN_PIC_MODEL_STATIC:
+    unwrap(cg)->setCodePICModel(Reloc::Static);
+    return false;
+  case LTO_CODEGEN_PIC_MODEL_DYNAMIC:
+    unwrap(cg)->setCodePICModel(Reloc::PIC_);
+    return false;
+  case LTO_CODEGEN_PIC_MODEL_DYNAMIC_NO_PIC:
+    unwrap(cg)->setCodePICModel(Reloc::DynamicNoPIC);
+    return false;
+  case LTO_CODEGEN_PIC_MODEL_DEFAULT:
+    unwrap(cg)->setCodePICModel(None);
+    return false;
+  }
+  sLastErrorString = "Unknown PIC model";
+  return true;
+}
+
+DEFINE_SIMPLE_CONVERSION_FUNCTIONS(lto::InputFile, lto_input_t)
+
+lto_input_t lto_input_create(const void *buffer, size_t buffer_size, const char *path) {
+  return wrap(LTOModule::createInputFile(buffer, buffer_size, path, sLastErrorString));
+}
+
+void lto_input_dispose(lto_input_t input) {
+  delete unwrap(input);
+}
+
+extern unsigned lto_input_get_num_dependent_libraries(lto_input_t input) {
+  return LTOModule::getDependentLibraryCount(unwrap(input));
+}
+
+extern const char *lto_input_get_dependent_library(lto_input_t input,
+                                                   size_t index,
+                                                   size_t *size) {
+  return LTOModule::getDependentLibrary(unwrap(input), index, size);
+}
+
+extern const char *const *lto_runtime_lib_symbols_list(size_t *size) {
+  auto symbols = lto::LTO::getRuntimeLibcallSymbols();
+  *size = symbols.size();
+  return symbols.data();
+}