Provide a portability macro for __builtin_trap.

[oota-llvm.git] / include / llvm / Support / Recycler.h

diff --git a/include/llvm/Support/Recycler.h b/include/llvm/Support/Recycler.h
index 3f235b6e72f407009739b4344ffd0085d2254334..fa6e189e97bd063d6c2b17963d6a6b8f6bf1e4b6 100644 (file)
--- a/include/llvm/Support/Recycler.h
+++ b/include/llvm/Support/Recycler.h
@@ -17,6 +17,7 @@
 
 #include "llvm/ADT/ilist.h"
 #include "llvm/Support/AlignOf.h"
+#include "llvm/Support/ErrorHandling.h"
 #include <cassert>
 
 namespace llvm {
@@ -34,7 +35,8 @@ struct RecyclerStruct {
 };
 
 template<>
-struct ilist_traits<RecyclerStruct> : ilist_default_traits<RecyclerStruct> {
+struct ilist_traits<RecyclerStruct> :
+    public ilist_default_traits<RecyclerStruct> {
   static RecyclerStruct *getPrev(const RecyclerStruct *t) { return t->Prev; }
   static RecyclerStruct *getNext(const RecyclerStruct *t) { return t->Next; }
   static void setPrev(RecyclerStruct *t, RecyclerStruct *p) { t->Prev = p; }
@@ -46,8 +48,12 @@ struct ilist_traits<RecyclerStruct> : ilist_default_traits<RecyclerStruct> {
   }
   static void destroySentinel(RecyclerStruct *) {}
 
+  RecyclerStruct *provideInitialHead() const { return createSentinel(); }
+  RecyclerStruct *ensureHead(RecyclerStruct*) const { return createSentinel(); }
+  static void noteHead(RecyclerStruct*, RecyclerStruct*) {}
+
   static void deleteNode(RecyclerStruct *) {
-    assert(0 && "Recycler's ilist_traits shouldn't see a deleteNode call!");
+    llvm_unreachable("Recycler's ilist_traits shouldn't see a deleteNode call!");
   }
 };