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
diff --git a/lib/Serialization/ASTReader.cpp b/lib/Serialization/ASTReader.cpp
index 92dcc7d..dd2d5d1 100644
--- a/lib/Serialization/ASTReader.cpp
+++ b/lib/Serialization/ASTReader.cpp
@@ -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"
diff --git a/lib/Serialization/ASTReaderInternals.h b/lib/Serialization/ASTReaderInternals.h
index dc6ccb7..5bbb729 100644
--- a/lib/Serialization/ASTReaderInternals.h
+++ b/lib/Serialization/ASTReaderInternals.h
@@ -198,20 +198,7 @@
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;
diff --git a/lib/Serialization/ASTWriter.cpp b/lib/Serialization/ASTWriter.cpp
index 2d97546..4a8cc08 100644
--- a/lib/Serialization/ASTWriter.cpp
+++ b/lib/Serialization/ASTWriter.cpp
@@ -1290,54 +1290,6 @@
}
//===----------------------------------------------------------------------===//
-// 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
//===----------------------------------------------------------------------===//
