commit e4cff4058ca71b75cdc945a2112446a7a62fb764
author Krzysztof Parzyszek <kparzysz@codeaurora.org> Tue Oct 20 19:30:21 2015 +0000
committer Krzysztof Parzyszek <kparzysz@codeaurora.org> Tue Oct 20 19:30:21 2015 +0000
tree c6ed58c8154600162c0297d195d9636d0736d8e8
parent bfe8e92fd199e6a24e954700c16a0db53b813109

[Hexagon] Do not fall-through if there is no CFG edge

llvm-svn: 250850

llvm/lib/Target/Hexagon/BitTracker.cpp

diff --git a/llvm/lib/Target/Hexagon/BitTracker.cpp b/llvm/lib/Target/Hexagon/BitTracker.cpp
index 25ca44c..23336b6 100644
--- a/llvm/lib/Target/Hexagon/BitTracker.cpp
+++ b/llvm/lib/Target/Hexagon/BitTracker.cpp
@@ -1106,7 +1106,7 @@
     if (It == End) {
       MachineFunction::const_iterator BIt = B.getIterator();
       MachineFunction::const_iterator Next = std::next(BIt);
-      if (Next != MF.end()) {
+      if (Next != MF.end() && B.isSuccessor(Next)) {
         int ThisN = B.getNumber();
         int NextN = Next->getNumber();
         FlowQ.push(CFGEdge(ThisN, NextN));