Remove LLVM 8.0.1 files.

1 files changed, 0 insertions, 149 deletions

diff --git a/gnu/llvm/lib/LTO/Caching.cpp b/gnu/llvm/lib/LTO/Caching.cpp
deleted file mode 100644
index 089e77e742e..00000000000
--- a/gnu/llvm/lib/LTO/Caching.cpp
+++ /dev/null
@@ -1,149 +0,0 @@
-//===-Caching.cpp - LLVM Link Time Optimizer Cache Handling ---------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements the Caching for ThinLTO.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/LTO/Caching.h"
-#include "llvm/ADT/StringExtras.h"
-#include "llvm/Support/Errc.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/Path.h"
-#include "llvm/Support/Process.h"
-#include "llvm/Support/raw_ostream.h"
-
-#if !defined(_MSC_VER) && !defined(__MINGW32__)
-#include <unistd.h>
-#else
-#include <io.h>
-#endif
-
-using namespace llvm;
-using namespace llvm::lto;
-
-Expected<NativeObjectCache> lto::localCache(StringRef CacheDirectoryPath,
-                                            AddBufferFn AddBuffer) {
-  if (std::error_code EC = sys::fs::create_directories(CacheDirectoryPath))
-    return errorCodeToError(EC);
-
-  return [=](unsigned Task, StringRef Key) -> AddStreamFn {
-    // This choice of file name allows the cache to be pruned (see pruneCache()
-    // in include/llvm/Support/CachePruning.h).
-    SmallString<64> EntryPath;
-    sys::path::append(EntryPath, CacheDirectoryPath, "llvmcache-" + Key);
-    // First, see if we have a cache hit.
-    int FD;
-    SmallString<64> ResultPath;
-    std::error_code EC = sys::fs::openFileForRead(
-        Twine(EntryPath), FD, sys::fs::OF_UpdateAtime, &ResultPath);
-    if (!EC) {
-      ErrorOr<std::unique_ptr<MemoryBuffer>> MBOrErr =
-          MemoryBuffer::getOpenFile(FD, EntryPath,
-                                    /*FileSize*/ -1,
-                                    /*RequiresNullTerminator*/ false);
-      close(FD);
-      if (MBOrErr) {
-        AddBuffer(Task, std::move(*MBOrErr));
-        return AddStreamFn();
-      }
-      EC = MBOrErr.getError();
-    }
-
-    // On Windows we can fail to open a cache file with a permission denied
-    // error. This generally means that another process has requested to delete
-    // the file while it is still open, but it could also mean that another
-    // process has opened the file without the sharing permissions we need.
-    // Since the file is probably being deleted we handle it in the same way as
-    // if the file did not exist at all.
-    if (EC != errc::no_such_file_or_directory && EC != errc::permission_denied)
-      report_fatal_error(Twine("Failed to open cache file ") + EntryPath +
-                         ": " + EC.message() + "\n");
-
-    // This native object stream is responsible for commiting the resulting
-    // file to the cache and calling AddBuffer to add it to the link.
-    struct CacheStream : NativeObjectStream {
-      AddBufferFn AddBuffer;
-      sys::fs::TempFile TempFile;
-      std::string EntryPath;
-      unsigned Task;
-
-      CacheStream(std::unique_ptr<raw_pwrite_stream> OS, AddBufferFn AddBuffer,
-                  sys::fs::TempFile TempFile, std::string EntryPath,
-                  unsigned Task)
-          : NativeObjectStream(std::move(OS)), AddBuffer(std::move(AddBuffer)),
-            TempFile(std::move(TempFile)), EntryPath(std::move(EntryPath)),
-            Task(Task) {}
-
-      ~CacheStream() {
-        // Make sure the stream is closed before committing it.
-        OS.reset();
-
-        // Open the file first to avoid racing with a cache pruner.
-        ErrorOr<std::unique_ptr<MemoryBuffer>> MBOrErr =
-            MemoryBuffer::getOpenFile(TempFile.FD, TempFile.TmpName,
-                                      /*FileSize*/ -1,
-                                      /*RequiresNullTerminator*/ false);
-        if (!MBOrErr)
-          report_fatal_error(Twine("Failed to open new cache file ") +
-                             TempFile.TmpName + ": " +
-                             MBOrErr.getError().message() + "\n");
-
-        // On POSIX systems, this will atomically replace the destination if
-        // it already exists. We try to emulate this on Windows, but this may
-        // fail with a permission denied error (for example, if the destination
-        // is currently opened by another process that does not give us the
-        // sharing permissions we need). Since the existing file should be
-        // semantically equivalent to the one we are trying to write, we give
-        // AddBuffer a copy of the bytes we wrote in that case. We do this
-        // instead of just using the existing file, because the pruner might
-        // delete the file before we get a chance to use it.
-        Error E = TempFile.keep(EntryPath);
-        E = handleErrors(std::move(E), [&](const ECError &E) -> Error {
-          std::error_code EC = E.convertToErrorCode();
-          if (EC != errc::permission_denied)
-            return errorCodeToError(EC);
-
-          auto MBCopy = MemoryBuffer::getMemBufferCopy((*MBOrErr)->getBuffer(),
-                                                       EntryPath);
-          MBOrErr = std::move(MBCopy);
-
-          // FIXME: should we consume the discard error?
-          consumeError(TempFile.discard());
-
-          return Error::success();
-        });
-
-        if (E)
-          report_fatal_error(Twine("Failed to rename temporary file ") +
-                             TempFile.TmpName + " to " + EntryPath + ": " +
-                             toString(std::move(E)) + "\n");
-
-        AddBuffer(Task, std::move(*MBOrErr));
-      }
-    };
-
-    return [=](size_t Task) -> std::unique_ptr<NativeObjectStream> {
-      // Write to a temporary to avoid race condition
-      SmallString<64> TempFilenameModel;
-      sys::path::append(TempFilenameModel, CacheDirectoryPath, "Thin-%%%%%%.tmp.o");
-      Expected<sys::fs::TempFile> Temp = sys::fs::TempFile::create(
-          TempFilenameModel, sys::fs::owner_read | sys::fs::owner_write);
-      if (!Temp) {
-        errs() << "Error: " << toString(Temp.takeError()) << "\n";
-        report_fatal_error("ThinLTO: Can't get a temporary file");
-      }
-
-      // This CacheStream will move the temporary file into the cache when done.
-      return llvm::make_unique<CacheStream>(
-          llvm::make_unique<raw_fd_ostream>(Temp->FD, /* ShouldClose */ false),
-          AddBuffer, std::move(*Temp), EntryPath.str(), Task);
-    };
-  };
-}