Add optimization bisect opt-in calls for Hexagon passes

Differential Revision: http://reviews.llvm.org/D19509

llvm-svn: 267593
diff --git a/llvm/lib/Target/Hexagon/HexagonSplitDouble.cpp b/llvm/lib/Target/Hexagon/HexagonSplitDouble.cpp
index 08690db..62999e5 100644
--- a/llvm/lib/Target/Hexagon/HexagonSplitDouble.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonSplitDouble.cpp
@@ -1163,6 +1163,9 @@
   DEBUG(dbgs() << "Splitting double registers in function: "
         << MF.getName() << '\n');
 
+  if (skipFunction(*MF.getFunction()))
+    return false;
+
   auto &ST = MF.getSubtarget<HexagonSubtarget>();
   TRI = ST.getRegisterInfo();
   TII = ST.getInstrInfo();