From: Krzysztof Parzyszek <kparzysz@codeaurora.org>
Date: Thu, 19 Mar 2015 15:18:57 +0000 (+0000)
Subject: [Hexagon] ENDLOOP is a non-reversible conditional branch
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=8b4c9e18bbeb5e1c150e92bd54d8a9bd37424c2b;p=oota-llvm.git

[Hexagon] ENDLOOP is a non-reversible conditional branch


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232725 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/Hexagon/HexagonInstrInfo.cpp b/lib/Target/Hexagon/HexagonInstrInfo.cpp
index 26e0f4bbb8f..0f1973b9f89 100644
--- a/lib/Target/Hexagon/HexagonInstrInfo.cpp
+++ b/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 {