r174342 - Remove dead code related to the now defunct PCH stat cache.

[Ted Kremenek]

Author: kremenek
Date: Tue Feb  5 00:21:59 2013
New Revision: 174342

URL: http://llvm.org/viewvc/llvm-project?rev=174342&view=rev
Log:
Remove dead code related to the now defunct PCH stat cache.

Modified:
    cfe/trunk/lib/Serialization/ASTReader.cpp
    cfe/trunk/lib/Serialization/ASTReaderInternals.h
    cfe/trunk/lib/Serialization/ASTWriter.cpp

Modified: cfe/trunk/lib/Serialization/ASTReader.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Serialization/ASTReader.cpp?rev=174342&r1=174341&r2=174342&view=diff
==============================================================================
--- cfe/trunk/lib/Serialization/ASTReader.cpp (original)
+++ cfe/trunk/lib/Serialization/ASTReader.cpp Tue Feb  5 00:21:59 2013
@@ -23,8 +23,6 @@
 #include "clang/AST/Type.h"
 #include "clang/AST/TypeLocVisitor.h"
 #include "clang/Basic/FileManager.h"
-#include "clang/Basic/FileSystemStatCache.h"
-#include "clang/Basic/OnDiskHashTable.h"
 #include "clang/Basic/SourceManager.h"
 #include "clang/Basic/SourceManagerInternals.h"
 #include "clang/Basic/TargetInfo.h"

Modified: cfe/trunk/lib/Serialization/ASTReaderInternals.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Serialization/ASTReaderInternals.h?rev=174342&r1=174341&r2=174342&view=diff
==============================================================================
--- cfe/trunk/lib/Serialization/ASTReaderInternals.h (original)
+++ cfe/trunk/lib/Serialization/ASTReaderInternals.h Tue Feb  5 00:21:59 2013
@@ -198,20 +198,7 @@ class HeaderFileInfoTrait {
   const char *FrameworkStrings;
   const char *SearchPath;
   struct stat SearchPathStatBuf;
-  llvm::Optional<int> SearchPathStatResult;
-  
-  int StatSimpleCache(const char *Path, struct stat *StatBuf) {
-    if (Path == SearchPath) {
-      if (!SearchPathStatResult)
-        SearchPathStatResult = stat(Path, &SearchPathStatBuf);
-      
-      *StatBuf = SearchPathStatBuf;
-      return *SearchPathStatResult;
-    }
-    
-    return stat(Path, StatBuf);
-  }
-  
+
 public:
   typedef const char *external_key_type;
   typedef const char *internal_key_type;

Modified: cfe/trunk/lib/Serialization/ASTWriter.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Serialization/ASTWriter.cpp?rev=174342&r1=174341&r2=174342&view=diff
==============================================================================
--- cfe/trunk/lib/Serialization/ASTWriter.cpp (original)
+++ cfe/trunk/lib/Serialization/ASTWriter.cpp Tue Feb  5 00:21:59 2013
@@ -1290,54 +1290,6 @@ void ASTWriter::WriteInputFiles(SourceMa
 }
 
 //===----------------------------------------------------------------------===//
-// 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
 //===----------------------------------------------------------------------===//