X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FADT%2FTrie.h;h=845af015b052d7a4919cb30463ffa1c3eba41bc9;hb=1cacae0f297b7330c4cd2b4f0a1f95ab2615bd65;hp=b415990b2225134f31e9699dac52f5c12a3d15c2;hpb=0c8ae782cb966068f8317f8225633e2f4720ccb7;p=oota-llvm.git

diff --git a/include/llvm/ADT/Trie.h b/include/llvm/ADT/Trie.h
index b415990b222..845af015b05 100644
--- a/include/llvm/ADT/Trie.h
+++ b/include/llvm/ADT/Trie.h
@@ -220,8 +220,7 @@ bool Trie<Payload>::addString(const std::string& s, const Payload& data) {
         assert(0 && "FIXME!");
         return false;
       case Node::DontMatch:
-        assert(0 && "Impossible!");
-        return false;
+        llvm_unreachable("Impossible!");
       case Node::LabelIsPrefix:
         s1 = s1.substr(nNode->label().length());
         cNode = nNode;
@@ -258,8 +257,7 @@ const Payload& Trie<Payload>::lookup(const std::string& s) const {
       case Node::StringIsPrefix:
         return Empty;
       case Node::DontMatch:
-        assert(0 && "Impossible!");
-        return Empty;
+        llvm_unreachable("Impossible!");
       case Node::LabelIsPrefix:
         s1 = s1.substr(nNode->label().length());
         cNode = nNode;
@@ -309,8 +307,7 @@ struct DOTGraphTraits<Trie<Payload> > : public DefaultDOTGraphTraits {
     return "Trie";
   }
 
-  static std::string getNodeLabel(NodeType* Node, const Trie<Payload>& T,
-                                  bool ShortNames) {
+  static std::string getNodeLabel(NodeType* Node, const Trie<Payload>& T) {
     if (T.getRoot() == Node)
       return "<Root>";
     else