From 6d0b6d1015adee6f4e4f72b1716e3fce7e19698b Mon Sep 17 00:00:00 2001
From: Cristian Cadar <cristic@cs.stanford.edu>
Date: Sat, 13 Jun 2009 22:09:19 +0000
Subject: Reverted last change that added createIff.  Since we only handle
 bitvectors, we can just use Eq.  The parser can distinguish between boolean
 formulas and bitvector terms.

git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@73309 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/klee/Expr.h | 1 -
 lib/Expr/Expr.cpp   | 5 -----
 2 files changed, 6 deletions(-)

diff --git a/include/klee/Expr.h b/include/klee/Expr.h
index 6d4df12e..878a70ba 100644
--- a/include/klee/Expr.h
+++ b/include/klee/Expr.h
@@ -222,7 +222,6 @@ public:
   static ref<Expr> createCoerceToPointerType(ref<Expr> e);
   static ref<Expr> createNot(ref<Expr> e);
   static ref<Expr> createImplies(ref<Expr> hyp, ref<Expr> conc);
-  static ref<Expr> createIff(ref<Expr> e1, ref<Expr> e2);
   static ref<Expr> createIsZero(ref<Expr> e);
 
   /// Create a little endian read of the given type at offset 0 of the
diff --git a/lib/Expr/Expr.cpp b/lib/Expr/Expr.cpp
index 695312ef..7b680567 100644
--- a/lib/Expr/Expr.cpp
+++ b/lib/Expr/Expr.cpp
@@ -301,11 +301,6 @@ ref<Expr> Expr::createImplies(ref<Expr> hyp, ref<Expr> conc) {
   return OrExpr::create(Expr::createNot(hyp), conc);
 }
 
-ref<Expr> Expr::createIff(ref<Expr> e1, ref<Expr> e2) {
-  return AndExpr::create(Expr::createImplies(e1, e2), 
-			 Expr::createImplies(e2, e1));
-}
-
 ref<Expr> Expr::createIsZero(ref<Expr> e) {
   return EqExpr::create(e, ConstantExpr::create(0, e->getWidth()));
 }
-- 
cgit 1.4.1