From 2298981669bf3bd63335a4be179bc0f96823a8f4 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Tue, 20 Aug 2019 20:50:49 +0000
Subject: Vendor import of stripped clang trunk r366426 (just before the
 release_90 branch point):

https://llvm.org/svn/llvm-project/cfe/trunk@366426
---
 lib/Basic/MemoryBufferCache.cpp | 48 -----------------------------------------
 1 file changed, 48 deletions(-)
 delete mode 100644 lib/Basic/MemoryBufferCache.cpp

(limited to 'lib/Basic/MemoryBufferCache.cpp')

diff --git a/lib/Basic/MemoryBufferCache.cpp b/lib/Basic/MemoryBufferCache.cpp
deleted file mode 100644
index c1fc571ec9b33..0000000000000
--- a/lib/Basic/MemoryBufferCache.cpp
+++ /dev/null
@@ -1,48 +0,0 @@
-//===- MemoryBufferCache.cpp - Cache for loaded memory buffers ------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/Basic/MemoryBufferCache.h"
-#include "llvm/Support/MemoryBuffer.h"
-
-using namespace clang;
-
-llvm::MemoryBuffer &
-MemoryBufferCache::addBuffer(llvm::StringRef Filename,
-                             std::unique_ptr<llvm::MemoryBuffer> Buffer) {
-  auto Insertion =
-      Buffers.insert({Filename, BufferEntry{std::move(Buffer), NextIndex++}});
-  assert(Insertion.second && "Already has a buffer");
-  return *Insertion.first->second.Buffer;
-}
-
-llvm::MemoryBuffer *MemoryBufferCache::lookupBuffer(llvm::StringRef Filename) {
-  auto I = Buffers.find(Filename);
-  if (I == Buffers.end())
-    return nullptr;
-  return I->second.Buffer.get();
-}
-
-bool MemoryBufferCache::isBufferFinal(llvm::StringRef Filename) {
-  auto I = Buffers.find(Filename);
-  if (I == Buffers.end())
-    return false;
-  return I->second.Index < FirstRemovableIndex;
-}
-
-bool MemoryBufferCache::tryToRemoveBuffer(llvm::StringRef Filename) {
-  auto I = Buffers.find(Filename);
-  assert(I != Buffers.end() && "No buffer to remove...");
-  if (I->second.Index < FirstRemovableIndex)
-    return true;
-
-  Buffers.erase(I);
-  return false;
-}
-
-void MemoryBufferCache::finalizeCurrentBuffers() { FirstRemovableIndex = NextIndex; }
-- 
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