1 files changed, 44 insertions, 0 deletions
diff --git a/clang-r344140b/include/llvm/IR/UseListOrder.h b/clang-r344140b/include/llvm/IR/UseListOrder.h
new file mode 100644
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+++ b/clang-r344140b/include/llvm/IR/UseListOrder.h
@@ -0,0 +1,44 @@
+//===- llvm/IR/UseListOrder.h - LLVM Use List Order -------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file has structures and command-line options for preserving use-list
+// order.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_IR_USELISTORDER_H
+#define LLVM_IR_USELISTORDER_H
+
+#include <cstddef>
+#include <vector>
+
+namespace llvm {
+
+class Function;
+class Value;
+
+/// Structure to hold a use-list order.
+struct UseListOrder {
+  const Value *V = nullptr;
+  const Function *F = nullptr;
+  std::vector<unsigned> Shuffle;
+
+  UseListOrder(const Value *V, const Function *F, size_t ShuffleSize)
+      : V(V), F(F), Shuffle(ShuffleSize) {}
+
+  UseListOrder() = default;
+  UseListOrder(UseListOrder &&) = default;
+  UseListOrder &operator=(UseListOrder &&) = default;
+};
+
+using UseListOrderStack = std::vector<UseListOrder>;
+
+} // end namespace llvm
+
+#endif // LLVM_IR_USELISTORDER_H