Revert "Introduce shard storage to auto-index."

This reverts commit 6dd1f24aead10a8d375d0311001987198d26e900.

llvm-svn: 346945

1 files changed, 0 insertions, 74 deletions

diff --git a/clang-tools-extra/unittests/clangd/BackgroundIndexTests.cpp b/clang-tools-extra/unittests/clangd/BackgroundIndexTests.cpp
index c79184d9220..c6f401d2740 100644
--- a/clang-tools-extra/unittests/clangd/BackgroundIndexTests.cpp
+++ b/clang-tools-extra/unittests/clangd/BackgroundIndexTests.cpp
@@ -78,79 +78,5 @@ TEST(BackgroundIndexTest, IndexTwoFiles) {
                        FileURI("unittest:///root/B.cc")}));
 }
 
-TEST(BackgroundIndexTest, ShardStorageTest) {
-  class MemoryShardStorage : public ShardStorage {
-    mutable std::mutex StorageMu;
-    llvm::StringMap<std::string> &Storage;
-    size_t& CacheHits;
-
-  public:
-    MemoryShardStorage(llvm::StringMap<std::string> &Storage, size_t &CacheHits)
-        : Storage(Storage), CacheHits(CacheHits) {}
-
-    bool storeShard(llvm::StringRef ShardIdentifier, IndexFileOut Shard) const {
-      std::lock_guard<std::mutex> Lock(StorageMu);
-      std::string &str = Storage[ShardIdentifier];
-      llvm::raw_string_ostream OS(str);
-      OS << Shard;
-      OS.flush();
-      return true;
-    }
-    llvm::Expected<IndexFileIn> retrieveShard(llvm::StringRef ShardIdentifier,
-                                              FileDigest Hash) const {
-      std::lock_guard<std::mutex> Lock(StorageMu);
-      if (Storage.find(ShardIdentifier) == Storage.end())
-        return llvm::make_error<llvm::StringError>(
-            "Shard not found.", llvm::inconvertibleErrorCode());
-      auto IndexFile = readIndexFile(Storage[ShardIdentifier]);
-      if(!IndexFile)
-        return IndexFile;
-      CacheHits++;
-      return IndexFile;
-    }
-    bool initialize(llvm::StringRef Directory) { return true; }
-  };
-  MockFSProvider FS;
-  FS.Files[testPath("root/A.h")] = R"cpp(
-      void common();
-      void f_b();
-      class A_CC {};
-      )cpp";
-  FS.Files[testPath("root/A.cc")] =
-      "#include \"A.h\"\nvoid g() { (void)common; }";
-  llvm::StringMap<std::string> Storage;
-  size_t CacheHits = 0;
-  tooling::CompileCommand Cmd;
-  Cmd.Filename = testPath("root/A.cc");
-  Cmd.Directory = testPath("root");
-  Cmd.CommandLine = {"clang++", testPath("root/A.cc")};
-  {
-    BackgroundIndex Idx(
-        Context::empty(), "", FS, /*URISchemes=*/{"unittest"},
-        /*IndexShardStorage=*/
-        llvm::make_unique<MemoryShardStorage>(Storage, CacheHits));
-    Idx.enqueue(testPath("root"), Cmd);
-    Idx.blockUntilIdleForTest();
-  }
-  EXPECT_EQ(CacheHits, 0U);
-  EXPECT_EQ(Storage.size(), 2U);
-  EXPECT_NE(Storage.find(testPath("root/A.h")), Storage.end());
-  EXPECT_NE(Storage.find(testPath("root/A.cc")), Storage.end());
-
-  {
-    BackgroundIndex Idx(
-        Context::empty(), "", FS, /*URISchemes=*/{"unittest"},
-        /*IndexShardStorage=*/
-        llvm::make_unique<MemoryShardStorage>(Storage, CacheHits));
-    Idx.enqueue(testPath("root"), Cmd);
-    Idx.blockUntilIdleForTest();
-  }
-  EXPECT_EQ(CacheHits, 1U);
-  EXPECT_EQ(Storage.size(), 2U);
-  EXPECT_NE(Storage.find(testPath("root/A.h")), Storage.end());
-  EXPECT_NE(Storage.find(testPath("root/A.cc")), Storage.end());
-  // B_CC is dropped as we don't collect symbols from A.h in this compilation.
-}
-
 } // namespace clangd
 } // namespace clang