1 files changed, 14 insertions, 4 deletions
diff --git a/utils/TableGen/TableGen.cpp b/utils/TableGen/TableGen.cpp
index d5b6a3c12647..c485ed2feb7a 100644
--- a/utils/TableGen/TableGen.cpp
+++ b/utils/TableGen/TableGen.cpp
@@ -1,9 +1,8 @@
 //===- TableGen.cpp - Top-Level TableGen implementation for LLVM ----------===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
@@ -56,6 +55,12 @@ enum ActionType {
   GenExegesis,
 };
 
+namespace llvm {
+/// Storage for TimeRegionsOpt as a global so that backends aren't required to
+/// include CommandLine.h
+bool TimeRegions = false;
+} // end namespace llvm
+
 namespace {
   cl::opt<ActionType>
   Action(cl::desc("Action to perform:"),
@@ -127,6 +132,11 @@ namespace {
   Class("class", cl::desc("Print Enum list for this class"),
         cl::value_desc("class name"), cl::cat(PrintEnumsCat));
 
+cl::opt<bool, true>
+    TimeRegionsOpt("time-regions",
+                   cl::desc("Time regions of tablegens execution"),
+                   cl::location(TimeRegions));
+
 bool LLVMTableGenMain(raw_ostream &OS, RecordKeeper &Records) {
   switch (Action) {
   case PrintRecords: