From 884bee86a6fb4ac301a84f9981c287723cabd1bc Mon Sep 17 00:00:00 2001
From: Argyrios Kyrtzidis <akyrtzi@gmail.com>
Date: Tue, 16 Jul 2013 22:24:06 +0000
Subject: [PATCH] [arcmt] Remove some dead code.
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Patch by Rafael Espíndola.

llvm-svn: 186462
---
 clang/include/clang/ARCMigrate/FileRemapper.h |  1 -
 clang/lib/ARCMigrate/FileRemapper.cpp         | 41 +++++++------------
 2 files changed, 14 insertions(+), 28 deletions(-)

diff --git a/clang/include/clang/ARCMigrate/FileRemapper.h b/clang/include/clang/ARCMigrate/FileRemapper.h
index 94c9e8f31acb..f7677cc8620a 100644
--- a/clang/include/clang/ARCMigrate/FileRemapper.h
+++ b/clang/include/clang/ARCMigrate/FileRemapper.h
@@ -53,7 +53,6 @@ public:
                          StringRef outputDir = StringRef());
 
   void remap(StringRef filePath, llvm::MemoryBuffer *memBuf);
-  void remap(StringRef filePath, StringRef newPath);
 
   void applyMappings(PreprocessorOptions &PPOpts) const;
 
diff --git a/clang/lib/ARCMigrate/FileRemapper.cpp b/clang/lib/ARCMigrate/FileRemapper.cpp
index 2eadd8ed0444..a14226e43fe0 100644
--- a/clang/lib/ARCMigrate/FileRemapper.cpp
+++ b/clang/lib/ARCMigrate/FileRemapper.cpp
@@ -174,29 +174,22 @@ bool FileRemapper::overwriteOriginal(DiagnosticsEngine &Diag,
   for (MappingsTy::iterator
          I = FromToMappings.begin(), E = FromToMappings.end(); I != E; ++I) {
     const FileEntry *origFE = I->first;
-    if (const FileEntry *newFE = I->second.dyn_cast<const FileEntry *>()) {
-      if (fs::copy_file(newFE->getName(), origFE->getName(),
-                 fs::copy_option::overwrite_if_exists) != llvm::errc::success)
-        return report(StringRef("Could not copy file '") + newFE->getName() +
-                      "' to file '" + origFE->getName() + "'", Diag);
-    } else {
+    assert(I->second.is<llvm::MemoryBuffer *>());
+    bool fileExists = false;
+    fs::exists(origFE->getName(), fileExists);
+    if (!fileExists)
+      return report(StringRef("File does not exist: ") + origFE->getName(),
+                    Diag);
 
-      bool fileExists = false;
-      fs::exists(origFE->getName(), fileExists);
-      if (!fileExists)
-        return report(StringRef("File does not exist: ") + origFE->getName(),
-                      Diag);
+    std::string errMsg;
+    llvm::raw_fd_ostream Out(origFE->getName(), errMsg,
+                             llvm::sys::fs::F_Binary);
+    if (!errMsg.empty())
+      return report(errMsg, Diag);
 
-      std::string errMsg;
-      llvm::raw_fd_ostream Out(origFE->getName(), errMsg,
-                               llvm::sys::fs::F_Binary);
-      if (!errMsg.empty())
-        return report(errMsg, Diag);
-
-      llvm::MemoryBuffer *mem = I->second.get<llvm::MemoryBuffer *>();
-      Out.write(mem->getBufferStart(), mem->getBufferSize());
-      Out.close();
-    }
+    llvm::MemoryBuffer *mem = I->second.get<llvm::MemoryBuffer *>();
+    Out.write(mem->getBufferStart(), mem->getBufferSize());
+    Out.close();
   }
 
   clear(outputDir);
@@ -237,12 +230,6 @@ void FileRemapper::remap(StringRef filePath, llvm::MemoryBuffer *memBuf) {
   remap(getOriginalFile(filePath), memBuf);
 }
 
-void FileRemapper::remap(StringRef filePath, StringRef newPath) {
-  const FileEntry *file = getOriginalFile(filePath);
-  const FileEntry *newfile = FileMgr->getFile(newPath);
-  remap(file, newfile);
-}
-
 void FileRemapper::remap(const FileEntry *file, llvm::MemoryBuffer *memBuf) {
   assert(file);
   Target &targ = FromToMappings[file];