bug fix

[satune.git] / src / ASTTransform / decomposeordertransform.cc

diff --git a/src/ASTTransform/decomposeordertransform.cc b/src/ASTTransform/decomposeordertransform.cc
index 62b08284cbcd446fccb6677e01b49d26b53d563b..6da5e4aa5eb3765c87fe921bc48f749c033e69f0 100644 (file)
--- a/src/ASTTransform/decomposeordertransform.cc
+++ b/src/ASTTransform/decomposeordertransform.cc
@@ -328,7 +328,12 @@ void DecomposeOrderTransform::mergeNodes(OrderGraph *graph, OrderNode *node, Ord
                BooleanEdge be = solver->orderConstraint(graph->getOrder(), source->getID(), dstnode->getID());
                BooleanEdge benew = solver->orderConstraint(graph->getOrder(), source->getID(), node->getID());
                updateEdgePolarity(benew, be);
-               solver->replaceBooleanWithBoolean(be, benew);
+               if (solver->isTrue(benew))
+                 solver->replaceBooleanWithTrue(be);
+               else if (solver->isFalse(benew))
+                 solver->replaceBooleanWithFalse(be);
+               else
+                 solver->replaceBooleanWithBoolean(be, benew);
        }
        dstnode->inEdges.reset();
        delete inedgeit;
@@ -358,7 +363,12 @@ void DecomposeOrderTransform::mergeNodes(OrderGraph *graph, OrderNode *node, Ord
                BooleanEdge be = solver->orderConstraint(graph->getOrder(), dstnode->getID(), sink->getID());
                BooleanEdge benew = solver->orderConstraint(graph->getOrder(), node->getID(), sink->getID());
                updateEdgePolarity(benew, be);
-               solver->replaceBooleanWithBoolean(be, benew);
+               if (solver->isTrue(benew))
+                 solver->replaceBooleanWithTrue(be);
+               else if (solver->isFalse(benew))
+                 solver->replaceBooleanWithFalse(be);
+               else
+                 solver->replaceBooleanWithBoolean(be, benew);
        }
        dstnode->outEdges.reset();
        delete outedgeit;