From 92004d6524c7633aa1e014e5b727a39475652dda Mon Sep 17 00:00:00 2001
From: Daniel Dunbar <daniel@zuster.org>
Date: Thu, 4 Jun 2009 08:59:53 +0000
Subject: Sink getConstantValue into ConstantExpr.  - Propogate ConstantExpr to
 various places, or cast as appropriate.

git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@72862 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Solver/CexCachingSolver.cpp | 2 +-
 lib/Solver/FastCexSolver.cpp    | 7 +++----
 lib/Solver/STPBuilder.cpp       | 2 +-
 3 files changed, 5 insertions(+), 6 deletions(-)

(limited to 'lib/Solver')

diff --git a/lib/Solver/CexCachingSolver.cpp b/lib/Solver/CexCachingSolver.cpp
index 1eaec4d9..9c233530 100644
--- a/lib/Solver/CexCachingSolver.cpp
+++ b/lib/Solver/CexCachingSolver.cpp
@@ -220,7 +220,7 @@ bool CexCachingSolver::computeValidity(const Query& query,
   assert(isa<ConstantExpr>(q) && 
          "assignment evaluation did not result in constant");
 
-  if (q->getConstantValue()) {
+  if (cast<ConstantExpr>(q)->getConstantValue()) {
     if (!getAssignment(query, a))
       return false;
     result = !a ? Solver::True : Solver::Unknown;
diff --git a/lib/Solver/FastCexSolver.cpp b/lib/Solver/FastCexSolver.cpp
index 1a1cfe62..6d9c8551 100644
--- a/lib/Solver/FastCexSolver.cpp
+++ b/lib/Solver/FastCexSolver.cpp
@@ -730,10 +730,9 @@ public:
   bool exprMustBeValue(ref<Expr> e, uint64_t value) {
     CexConstifier cc(objectValues);
     ref<Expr> v = cc.visit(e);
-    if (!isa<ConstantExpr>(v)) return false;
-    // XXX reenable once all reads and vars are fixed
-    //    assert(v.isConstant() && "not all values have been fixed");
-    return v->getConstantValue() == value;
+    if (ConstantExpr *CE = dyn_cast<ConstantExpr>(v))
+      return CE->getConstantValue() == value;
+    return false;
   }
 };
 
diff --git a/lib/Solver/STPBuilder.cpp b/lib/Solver/STPBuilder.cpp
index 88bdd2b0..5b3fdd60 100644
--- a/lib/Solver/STPBuilder.cpp
+++ b/lib/Solver/STPBuilder.cpp
@@ -449,7 +449,7 @@ ExprHandle STPBuilder::constructActual(ref<Expr> e, int *width_out) {
 
   switch (e->getKind()) {
   case Expr::Constant: {
-    uint64_t asUInt64 = e->getConstantValue();
+    uint64_t asUInt64 = cast<ConstantExpr>(e)->getConstantValue();
     *width_out = e->getWidth();
 
     if (*width_out > 64)
-- 
cgit 1.4.1