Use StringRef instead of MemoryBuffer&.

This code doesn't care where the data it is processing comes from, so a
StringRef is probably the most natural interface.

llvm-svn: 215448

2 files changed, 4 insertions, 3 deletions

diff --git a/clang/lib/Frontend/ASTUnit.cpp b/clang/lib/Frontend/ASTUnit.cpp
index f6c2a405159..a29edc0e3e9 100644
--- a/clang/lib/Frontend/ASTUnit.cpp
+++ b/clang/lib/Frontend/ASTUnit.cpp
@@ -1254,8 +1254,8 @@ ASTUnit::ComputePreamble(CompilerInvocation &Invocation,
   }
 
   return std::make_pair(
-      Buffer,
-      Lexer::ComputePreamble(*Buffer, *Invocation.getLangOpts(), MaxLines));
+      Buffer, Lexer::ComputePreamble(Buffer->getBuffer(),
+                                     *Invocation.getLangOpts(), MaxLines));
 }
 
 ASTUnit::PreambleFileHash
diff --git a/clang/lib/Frontend/FrontendActions.cpp b/clang/lib/Frontend/FrontendActions.cpp
index f3be243e194..5c0ef7a5786 100644
--- a/clang/lib/Frontend/FrontendActions.cpp
+++ b/clang/lib/Frontend/FrontendActions.cpp
@@ -686,7 +686,8 @@ void PrintPreambleAction::ExecuteAction() {
   llvm::MemoryBuffer *Buffer
       = CI.getFileManager().getBufferForFile(getCurrentFile());
   if (Buffer) {
-    unsigned Preamble = Lexer::ComputePreamble(*Buffer, CI.getLangOpts()).first;
+    unsigned Preamble =
+        Lexer::ComputePreamble(Buffer->getBuffer(), CI.getLangOpts()).first;
     llvm::outs().write(Buffer->getBufferStart(), Preamble);
     delete Buffer;
   }