Update aosp/master LLVM for rebase to r222494.

Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d

1 files changed, 43 insertions, 0 deletions

diff --git a/lib/IR/UseListOrder.cpp b/lib/IR/UseListOrder.cpp
new file mode 100644
index 0000000000..d064e67026
--- /dev/null
+++ b/lib/IR/UseListOrder.cpp
@@ -0,0 +1,43 @@
+//===- UseListOrder.cpp - Implement Use List Order ------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Implement structures and command-line options for preserving use-list order.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/IR/UseListOrder.h"
+#include "llvm/Support/CommandLine.h"
+
+using namespace llvm;
+
+static cl::opt<bool> PreserveBitcodeUseListOrder(
+    "preserve-bc-use-list-order",
+    cl::desc("Experimental support to preserve bitcode use-list order."),
+    cl::init(false), cl::Hidden);
+
+static cl::opt<bool> PreserveAssemblyUseListOrder(
+    "preserve-ll-use-list-order",
+    cl::desc("Experimental support to preserve assembly use-list order."),
+    cl::init(false), cl::Hidden);
+
+bool llvm::shouldPreserveBitcodeUseListOrder() {
+  return PreserveBitcodeUseListOrder;
+}
+
+bool llvm::shouldPreserveAssemblyUseListOrder() {
+  return PreserveAssemblyUseListOrder;
+}
+
+void llvm::setPreserveBitcodeUseListOrder(bool ShouldPreserve) {
+  PreserveBitcodeUseListOrder = ShouldPreserve;
+}
+
+void llvm::setPreserveAssemblyUseListOrder(bool ShouldPreserve) {
+  PreserveAssemblyUseListOrder = ShouldPreserve;
+}