From 044eb2f6afba375a914ac9d8024f8f5142bb912e Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Mon, 18 Dec 2017 20:10:56 +0000
Subject: Vendor import of llvm trunk r321017:
 https://llvm.org/svn/llvm-project/llvm/trunk@321017

---
 lib/Target/Hexagon/RDFDeadCode.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

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

diff --git a/lib/Target/Hexagon/RDFDeadCode.cpp b/lib/Target/Hexagon/RDFDeadCode.cpp
index 60a12dcf2f03d..240d7c355bc72 100644
--- a/lib/Target/Hexagon/RDFDeadCode.cpp
+++ b/lib/Target/Hexagon/RDFDeadCode.cpp
@@ -58,7 +58,8 @@ private:
 bool DeadCodeElimination::isLiveInstr(const MachineInstr *MI) const {
   if (MI->mayStore() || MI->isBranch() || MI->isCall() || MI->isReturn())
     return true;
-  if (MI->hasOrderedMemoryRef() || MI->hasUnmodeledSideEffects())
+  if (MI->hasOrderedMemoryRef() || MI->hasUnmodeledSideEffects() ||
+      MI->isPosition())
     return true;
   if (MI->isPHI())
     return false;
-- 
cgit v1.3