[C++11] Use std::atomic instead of LLVM's.

No intended functionality change.

llvm-svn: 202652

1 files changed, 8 insertions, 10 deletions

diff --git a/clang/tools/libclang/CIndexCodeCompletion.cpp b/clang/tools/libclang/CIndexCodeCompletion.cpp
index ca4960cc265..e13e3e18a25 100644
--- a/clang/tools/libclang/CIndexCodeCompletion.cpp
+++ b/clang/tools/libclang/CIndexCodeCompletion.cpp
@@ -30,13 +30,13 @@
 #include "clang/Sema/Sema.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/StringExtras.h"
-#include "llvm/Support/Atomic.h"
 #include "llvm/Support/CrashRecoveryContext.h"
 #include "llvm/Support/FileSystem.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/Program.h"
 #include "llvm/Support/Timer.h"
 #include "llvm/Support/raw_ostream.h"
+#include <atomic>
 #include <cstdio>
 #include <cstdlib>
 #include <string>
@@ -315,7 +315,7 @@ struct AllocatedCXCodeCompleteResults : public CXCodeCompleteResults {
 /// currently active.
 ///
 /// Used for debugging purposes only.
-static llvm::sys::cas_flag CodeCompletionResultObjects;
+static std::atomic<unsigned> CodeCompletionResultObjects;
   
 AllocatedCXCodeCompleteResults::AllocatedCXCodeCompleteResults(
                                       const FileSystemOptions& FileSystemOpts)
@@ -332,10 +332,9 @@ AllocatedCXCodeCompleteResults::AllocatedCXCodeCompleteResults(
     ContainerKind(CXCursor_InvalidCode),
     ContainerIsIncomplete(1)
 { 
-  if (getenv("LIBCLANG_OBJTRACKING")) {
-    llvm::sys::AtomicIncrement(&CodeCompletionResultObjects);
-    fprintf(stderr, "+++ %d completion results\n", CodeCompletionResultObjects);
-  }    
+  if (getenv("LIBCLANG_OBJTRACKING"))
+    fprintf(stderr, "+++ %u completion results\n",
+            ++CodeCompletionResultObjects);
 }
   
 AllocatedCXCodeCompleteResults::~AllocatedCXCodeCompleteResults() {
@@ -346,10 +345,9 @@ AllocatedCXCodeCompleteResults::~AllocatedCXCodeCompleteResults() {
   for (unsigned I = 0, N = TemporaryBuffers.size(); I != N; ++I)
     delete TemporaryBuffers[I];
 
-  if (getenv("LIBCLANG_OBJTRACKING")) {
-    llvm::sys::AtomicDecrement(&CodeCompletionResultObjects);
-    fprintf(stderr, "--- %d completion results\n", CodeCompletionResultObjects);
-  }    
+  if (getenv("LIBCLANG_OBJTRACKING"))
+    fprintf(stderr, "--- %u completion results\n",
+            --CodeCompletionResultObjects);
 }
   
 } // end extern "C"