1 files changed, 0 insertions, 100 deletions
diff --git a/contrib/compiler-rt/lib/sanitizer_common/sanitizer_atomic_clang.h b/contrib/compiler-rt/lib/sanitizer_common/sanitizer_atomic_clang.h
deleted file mode 100644
index 38363e875560..000000000000
--- a/contrib/compiler-rt/lib/sanitizer_common/sanitizer_atomic_clang.h
+++ /dev/null
@@ -1,100 +0,0 @@
-//===-- sanitizer_atomic_clang.h --------------------------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file is a part of ThreadSanitizer/AddressSanitizer runtime.
-// Not intended for direct inclusion. Include sanitizer_atomic.h.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef SANITIZER_ATOMIC_CLANG_H
-#define SANITIZER_ATOMIC_CLANG_H
-
-#if defined(__i386__) || defined(__x86_64__)
-# include "sanitizer_atomic_clang_x86.h"
-#else
-# include "sanitizer_atomic_clang_other.h"
-#endif
-
-namespace __sanitizer {
-
-// We would like to just use compiler builtin atomic operations
-// for loads and stores, but they are mostly broken in clang:
-// - they lead to vastly inefficient code generation
-// (http://llvm.org/bugs/show_bug.cgi?id=17281)
-// - 64-bit atomic operations are not implemented on x86_32
-// (http://llvm.org/bugs/show_bug.cgi?id=15034)
-// - they are not implemented on ARM
-// error: undefined reference to '__atomic_load_4'
-
-// See http://www.cl.cam.ac.uk/~pes20/cpp/cpp0xmappings.html
-// for mappings of the memory model to different processors.
-
-INLINE void atomic_signal_fence(memory_order) {
-  __asm__ __volatile__("" ::: "memory");
-}
-
-INLINE void atomic_thread_fence(memory_order) {
-  __sync_synchronize();
-}
-
-template<typename T>
-INLINE typename T::Type atomic_fetch_add(volatile T *a,
-    typename T::Type v, memory_order mo) {
-  (void)mo;
-  DCHECK(!((uptr)a % sizeof(*a)));
-  return __sync_fetch_and_add(&a->val_dont_use, v);
-}
-
-template<typename T>
-INLINE typename T::Type atomic_fetch_sub(volatile T *a,
-    typename T::Type v, memory_order mo) {
-  (void)mo;
-  DCHECK(!((uptr)a % sizeof(*a)));
-  return __sync_fetch_and_add(&a->val_dont_use, -v);
-}
-
-template<typename T>
-INLINE typename T::Type atomic_exchange(volatile T *a,
-    typename T::Type v, memory_order mo) {
-  DCHECK(!((uptr)a % sizeof(*a)));
-  if (mo & (memory_order_release | memory_order_acq_rel | memory_order_seq_cst))
-    __sync_synchronize();
-  v = __sync_lock_test_and_set(&a->val_dont_use, v);
-  if (mo == memory_order_seq_cst)
-    __sync_synchronize();
-  return v;
-}
-
-template<typename T>
-INLINE bool atomic_compare_exchange_strong(volatile T *a,
-                                           typename T::Type *cmp,
-                                           typename T::Type xchg,
-                                           memory_order mo) {
-  typedef typename T::Type Type;
-  Type cmpv = *cmp;
-  Type prev = __sync_val_compare_and_swap(&a->val_dont_use, cmpv, xchg);
-  if (prev == cmpv)
-    return true;
-  *cmp = prev;
-  return false;
-}
-
-template<typename T>
-INLINE bool atomic_compare_exchange_weak(volatile T *a,
-                                         typename T::Type *cmp,
-                                         typename T::Type xchg,
-                                         memory_order mo) {
-  return atomic_compare_exchange_strong(a, cmp, xchg, mo);
-}
-
-}  // namespace __sanitizer
-
-#undef ATOMIC_ORDER
-
-#endif  // SANITIZER_ATOMIC_CLANG_H