Subzero: Update for LLVM 3.9 (trunk).

src/IceInst.h

 //===- subzero/src/IceInst.h - High-level instructions ----------*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 1113 matching lines @@
   Ice::Inst *ensureHead(Ice::Inst *) const { return createSentinel(); }
   static void noteHead(Ice::Inst *, Ice::Inst *) {}
   void deleteNode(Ice::Inst *) {}
 
 private:
   mutable ilist_half_node<Ice::Inst> Sentinel;
 };
 
 } // end of namespace llvm
 
+namespace Ice {
+
+inline InstList::iterator instToIterator(Inst *Instr) {
+#ifdef PNACL_LLVM
+  return Instr;
+#else  // !PNACL_LLVM
+  return Instr->getIterator();
+#endif // !PNACL_LLVM
+}
+
+inline Inst *iteratorToInst(InstList::iterator Iter) { return &*Iter; }
+
+inline const Inst *iteratorToInst(InstList::const_iterator Iter) {
+  return &*Iter;
+}
+
+} // end of namespace Ice
+
 #endif // SUBZERO_SRC_ICEINST_H