Remove dead code related to the now defunct PCH stat cache.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174342 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 48 deletions

diff --git a/lib/Serialization/ASTWriter.cpp b/lib/Serialization/ASTWriter.cpp
index 2d975466b5..4a8cc08d1b 100644
--- a/lib/Serialization/ASTWriter.cpp
+++ b/lib/Serialization/ASTWriter.cpp
@@ -1290,54 +1290,6 @@ void ASTWriter::WriteInputFiles(SourceManager &SourceMgr, StringRef isysroot) {
 }
 
 //===----------------------------------------------------------------------===//
-// stat cache Serialization
-//===----------------------------------------------------------------------===//
-
-namespace {
-// Trait used for the on-disk hash table of stat cache results.
-class ASTStatCacheTrait {
-public:
-  typedef const char * key_type;
-  typedef key_type key_type_ref;
-
-  typedef struct stat data_type;
-  typedef const data_type &data_type_ref;
-
-  static unsigned ComputeHash(const char *path) {
-    return llvm::HashString(path);
-  }
-
-  std::pair<unsigned,unsigned>
-    EmitKeyDataLength(raw_ostream& Out, const char *path,
-                      data_type_ref Data) {
-    unsigned StrLen = strlen(path);
-    clang::io::Emit16(Out, StrLen);
-    unsigned DataLen = 4 + 4 + 2 + 8 + 8;
-    clang::io::Emit8(Out, DataLen);
-    return std::make_pair(StrLen + 1, DataLen);
-  }
-
-  void EmitKey(raw_ostream& Out, const char *path, unsigned KeyLen) {
-    Out.write(path, KeyLen);
-  }
-
-  void EmitData(raw_ostream &Out, key_type_ref,
-                data_type_ref Data, unsigned DataLen) {
-    using namespace clang::io;
-    uint64_t Start = Out.tell(); (void)Start;
-
-    Emit32(Out, (uint32_t) Data.st_ino);
-    Emit32(Out, (uint32_t) Data.st_dev);
-    Emit16(Out, (uint16_t) Data.st_mode);
-    Emit64(Out, (uint64_t) Data.st_mtime);
-    Emit64(Out, (uint64_t) Data.st_size);
-
-    assert(Out.tell() - Start == DataLen && "Wrong data length");
-  }
-};
-} // end anonymous namespace
-
-//===----------------------------------------------------------------------===//
 // Source Manager Serialization
 //===----------------------------------------------------------------------===//