Move isConstant from ref<> to Expr::

 - Ref.h is now freestanding.


git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@72824 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 6 deletions

diff --git a/lib/Expr/ExprUtil.cpp b/lib/Expr/ExprUtil.cpp
index f74b519f..192c18a5 100644
--- a/lib/Expr/ExprUtil.cpp
+++ b/lib/Expr/ExprUtil.cpp
@@ -26,7 +26,7 @@ void klee::findReads(ref<Expr> e,
   ExprHashSet visited;
   std::set<const UpdateNode *> updates;
   
-  if (!e.isConstant()) {
+  if (!e->isConstant()) {
     visited.insert(e);
     stack.push_back(e);
   }
@@ -40,7 +40,7 @@ void klee::findReads(ref<Expr> e,
       // repeats.
       results.push_back(re);
 
-      if (!re->index.isConstant() &&
+      if (!re->index->isConstant() &&
           visited.insert(re->index).second)
         stack.push_back(re->index);
       
@@ -53,20 +53,20 @@ void klee::findReads(ref<Expr> e,
         // head, which often will be shared among multiple nodes.
         if (updates.insert(re->updates.head).second) {
           for (const UpdateNode *un=re->updates.head; un; un=un->next) {
-            if (!un->index.isConstant() &&
+            if (!un->index->isConstant() &&
                 visited.insert(un->index).second)
               stack.push_back(un->index);
-            if (!un->value.isConstant() &&
+            if (!un->value->isConstant() &&
                 visited.insert(un->value).second)
               stack.push_back(un->value);
           }
         }
       }
-    } else if (!top.isConstant()) {
+    } else if (!top->isConstant()) {
       Expr *e = top.get();
       for (unsigned i=0; i<e->getNumKids(); i++) {
         ref<Expr> k = e->getKid(i);
-        if (!k.isConstant() &&
+        if (!k->isConstant() &&
             visited.insert(k).second)
           stack.push_back(k);
       }