keep only the StringRef version of getFileOrSTDIN.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184826 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AsmParser/Parser.cpp b/lib/AsmParser/Parser.cpp
index bb4f03b..d777ab9 100644
--- a/lib/AsmParser/Parser.cpp
+++ b/lib/AsmParser/Parser.cpp
@@ -43,7 +43,7 @@
 Module *llvm::ParseAssemblyFile(const std::string &Filename, SMDiagnostic &Err,
                                 LLVMContext &Context) {
   OwningPtr<MemoryBuffer> File;
-  if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), File)) {
+  if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename, File)) {
     Err = SMDiagnostic(Filename, SourceMgr::DK_Error,
                        "Could not open input file: " + ec.message());
     return 0;
diff --git a/lib/IRReader/IRReader.cpp b/lib/IRReader/IRReader.cpp
index eeec14e..cf859da 100644
--- a/lib/IRReader/IRReader.cpp
+++ b/lib/IRReader/IRReader.cpp
@@ -48,7 +48,7 @@
 Module *llvm::getLazyIRFileModule(const std::string &Filename, SMDiagnostic &Err,
                                   LLVMContext &Context) {
   OwningPtr<MemoryBuffer> File;
-  if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), File)) {
+  if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename, File)) {
     Err = SMDiagnostic(Filename, SourceMgr::DK_Error,
                        "Could not open input file: " + ec.message());
     return 0;
@@ -79,7 +79,7 @@
 Module *llvm::ParseIRFile(const std::string &Filename, SMDiagnostic &Err,
                           LLVMContext &Context) {
   OwningPtr<MemoryBuffer> File;
-  if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), File)) {
+  if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename, File)) {
     Err = SMDiagnostic(Filename, SourceMgr::DK_Error,
                        "Could not open input file: " + ec.message());
     return 0;
diff --git a/lib/Support/MemoryBuffer.cpp b/lib/Support/MemoryBuffer.cpp
index e875d11..b8df7a4 100644
--- a/lib/Support/MemoryBuffer.cpp
+++ b/lib/Support/MemoryBuffer.cpp
@@ -173,14 +173,6 @@
   return getFile(Filename, result, FileSize);
 }
 
-error_code MemoryBuffer::getFileOrSTDIN(const char *Filename,
-                                        OwningPtr<MemoryBuffer> &result,
-                                        int64_t FileSize) {
-  if (strcmp(Filename, "-") == 0)
-    return getSTDIN(result);
-  return getFile(Filename, result, FileSize);
-}
-
 //===----------------------------------------------------------------------===//
 // MemoryBuffer::getFile implementation.
 //===----------------------------------------------------------------------===//
diff --git a/lib/TableGen/Main.cpp b/lib/TableGen/Main.cpp
index dc4167b..7fe47bc 100644
--- a/lib/TableGen/Main.cpp
+++ b/lib/TableGen/Main.cpp
@@ -83,7 +83,7 @@
   // Parse the input file.
   OwningPtr<MemoryBuffer> File;
   if (error_code ec =
-        MemoryBuffer::getFileOrSTDIN(InputFilename.c_str(), File)) {
+        MemoryBuffer::getFileOrSTDIN(InputFilename, File)) {
     errs() << "Could not open input file '" << InputFilename << "': "
            << ec.message() <<"\n";
     return 1;