From 5f737ccd3854b55a3eb9ab3aa54f2b1c3212418f Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sat, 28 Mar 2009 03:49:26 +0000
Subject: [PATCH] eliminate ReadASTBitcodeFile

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67903 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/clang/AST/TranslationUnit.h  |  4 ----
 lib/AST/TranslationUnit.cpp          | 17 +----------------
 tools/clang-cc/SerializationTest.cpp | 13 ++++++++++++-
 tools/clang-cc/clang.cpp             |  9 ++++++++-
 4 files changed, 21 insertions(+), 22 deletions(-)

diff --git a/include/clang/AST/TranslationUnit.h b/include/clang/AST/TranslationUnit.h
index 5fff66626b..3c6344f2d9 100644
--- a/include/clang/AST/TranslationUnit.h
+++ b/include/clang/AST/TranslationUnit.h
@@ -82,10 +82,6 @@ bool EmitASTBitcodeBuffer(const TranslationUnit& TU,
 bool EmitASTBitcodeBuffer(const TranslationUnit* TU, 
                           std::vector<unsigned char>& Buffer);
 
-/// ReadASTBitcodeFile - Reconsitute a translation unit from a bitcode file.
-TranslationUnit* ReadASTBitcodeFile(const llvm::sys::Path& Filename,
-                                    FileManager& FMgr); 
-                
 /// ReadASTBitcodeBuffer - Reconsitute a translation unit from a buffer.
 TranslationUnit* ReadASTBitcodeBuffer(llvm::MemoryBuffer& MBuffer,
                                       FileManager& FMgr); 
diff --git a/lib/AST/TranslationUnit.cpp b/lib/AST/TranslationUnit.cpp
index 8ceada593e..a0a800c1e3 100644
--- a/lib/AST/TranslationUnit.cpp
+++ b/lib/AST/TranslationUnit.cpp
@@ -144,28 +144,13 @@ clang::ReadASTBitcodeBuffer(llvm::MemoryBuffer& MBuffer, FileManager& FMgr) {
   return TranslationUnit::Create(Dezr,FMgr);
 }
 
-TranslationUnit*
-clang::ReadASTBitcodeFile(const llvm::sys::Path& Filename, FileManager& FMgr) {
-  
-  // Create the memory buffer that contains the contents of the file.  
-  llvm::OwningPtr<llvm::MemoryBuffer> 
-    MBuffer(llvm::MemoryBuffer::getFile(Filename.c_str()));
-  
-  if (!MBuffer) {
-    // FIXME: Provide diagnostic.
-    return NULL;
-  }
-  
-  return ReadASTBitcodeBuffer(*MBuffer, FMgr);
-}
-
 TranslationUnit* TranslationUnit::Create(llvm::Deserializer& Dezr,
                                          FileManager& FMgr) {
   
   // Create the translation unit object.
   TranslationUnit* TU = new TranslationUnit();
   
-  TU->Context = ASTContext.CreateAll(Dezr, FmMgr);
+  TU->Context = ASTContext::CreateAll(Dezr, FMgr);
   
   return TU;
 }
diff --git a/tools/clang-cc/SerializationTest.cpp b/tools/clang-cc/SerializationTest.cpp
index e489a19ff8..fcc047e015 100644
--- a/tools/clang-cc/SerializationTest.cpp
+++ b/tools/clang-cc/SerializationTest.cpp
@@ -81,7 +81,18 @@ bool SerializationTest::Deserialize(llvm::sys::Path& Filename,
                                     llvm::sys::Path& FNameDeclPrint) {
   
   // Deserialize the translation unit.
-  TranslationUnit* NewTU = ReadASTBitcodeFile(Filename, FMgr);
+  TranslationUnit* NewTU;
+  
+  {
+    // Create the memory buffer that contains the contents of the file.  
+    llvm::OwningPtr<llvm::MemoryBuffer> 
+      MBuffer(llvm::MemoryBuffer::getFile(Filename.c_str()));
+  
+    if (!MBuffer)
+      return false;
+    
+    NewTU = ReadASTBitcodeBuffer(*MBuffer, FMgr);
+  }
 
   if (!NewTU)
     return false;
diff --git a/tools/clang-cc/clang.cpp b/tools/clang-cc/clang.cpp
index 7f46f46fed..9bd6dfb805 100644
--- a/tools/clang-cc/clang.cpp
+++ b/tools/clang-cc/clang.cpp
@@ -1535,7 +1535,14 @@ static void ProcessSerializedFile(const std::string& InFile, Diagnostic& Diag,
     exit (1);
   }
   
-  llvm::OwningPtr<TranslationUnit> TU(ReadASTBitcodeFile(Filename, FileMgr));
+  llvm::OwningPtr<TranslationUnit> TU;
+  
+  // Create the memory buffer that contains the contents of the file.  
+  llvm::OwningPtr<llvm::MemoryBuffer> 
+    MBuffer(llvm::MemoryBuffer::getFile(Filename.c_str()));
+  
+  if (MBuffer)
+    TU.reset(ReadASTBitcodeBuffer(*MBuffer, FileMgr));
   
   if (!TU) {
     fprintf(stderr, "error: file '%s' could not be deserialized\n", 
-- 
2.40.0