From c6f19333cfcd4225e4371d2d7c76e20afad4619f Mon Sep 17 00:00:00 2001
From: Krzysztof Parzyszek <kparzysz@codeaurora.org>
Date: Thu, 19 Mar 2015 15:18:57 +0000
Subject: [PATCH] [Hexagon] ENDLOOP is a non-reversible conditional branch

llvm-svn: 232725
---
 llvm/lib/Target/Hexagon/HexagonInstrInfo.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/llvm/lib/Target/Hexagon/HexagonInstrInfo.cpp b/llvm/lib/Target/Hexagon/HexagonInstrInfo.cpp
index 26e0f4b..0f1973b 100644
--- a/llvm/lib/Target/Hexagon/HexagonInstrInfo.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonInstrInfo.cpp
@@ -1083,6 +1083,8 @@ SubsumesPredicate(const SmallVectorImpl<MachineOperand> &Pred1,
 //
 bool HexagonInstrInfo::
 ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const {
+  if (!Cond.empty() && Cond[0].isMBB())
+    return true;
   if (!Cond.empty() && Cond[0].isImm() && Cond[0].getImm() == 0) {
     Cond.erase(Cond.begin());
   } else {
-- 
2.7.4