From 4c5e43da7792f75567b693105cc53e3f1992ad98 Mon Sep 17 00:00:00 2001
From: Pirama Arumuga Nainar <pirama@google.com>
Date: Wed, 8 Apr 2015 08:55:49 -0700
Subject: Update aosp/master llvm for rebase to r233350

Change-Id: I07d935f8793ee8ec6b7da003f6483046594bca49
---
 lib/Target/Hexagon/HexagonSubtarget.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'lib/Target/Hexagon/HexagonSubtarget.cpp')

diff --git a/lib/Target/Hexagon/HexagonSubtarget.cpp b/lib/Target/Hexagon/HexagonSubtarget.cpp
index 380f023..1717ae3 100644
--- a/lib/Target/Hexagon/HexagonSubtarget.cpp
+++ b/lib/Target/Hexagon/HexagonSubtarget.cpp
@@ -48,6 +48,10 @@ EnableIEEERndNear(
     cl::Hidden, cl::ZeroOrMore, cl::init(false),
     cl::desc("Generate non-chopped conversion from fp to int."));
 
+static cl::opt<bool> DisableHexagonMISched("disable-hexagon-misched",
+      cl::Hidden, cl::ZeroOrMore, cl::init(false),
+      cl::desc("Disable Hexagon MI Scheduling"));
+
 HexagonSubtarget &
 HexagonSubtarget::initializeSubtargetDependencies(StringRef CPU, StringRef FS) {
   // If the programmer has not specified a Hexagon version, default to -mv4.
@@ -91,3 +95,9 @@ HexagonSubtarget::HexagonSubtarget(StringRef TT, StringRef CPU, StringRef FS,
 
 // Pin the vtable to this file.
 void HexagonSubtarget::anchor() {}
+
+bool HexagonSubtarget::enableMachineScheduler() const {
+  if (DisableHexagonMISched.getNumOccurrences())
+    return !DisableHexagonMISched;
+  return true;
+}
-- 
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