vendor/llvm/llvm-trunk-r307894

1 files changed, 17 insertions, 0 deletions

diff --git a/include/llvm/Support/ReverseIteration.h b/include/llvm/Support/ReverseIteration.h
new file mode 100644
index 000000000000..cb97b60f06dd
--- /dev/null
+++ b/include/llvm/Support/ReverseIteration.h
@@ -0,0 +1,17 @@
+#ifndef LLVM_SUPPORT_REVERSEITERATION_H
+#define LLVM_SUPPORT_REVERSEITERATION_H
+
+#include "llvm/Config/abi-breaking.h"
+
+namespace llvm {
+#if LLVM_ENABLE_ABI_BREAKING_CHECKS
+template <class T = void> struct ReverseIterate { static bool value; };
+#if LLVM_ENABLE_REVERSE_ITERATION
+template <class T> bool ReverseIterate<T>::value = true;
+#else
+template <class T> bool ReverseIterate<T>::value = false;
+#endif
+#endif
+}
+
+#endif