Don't leak memory.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37442 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Scalar/GVNPRE.cpp b/lib/Transforms/Scalar/GVNPRE.cpp
index b34239d6a612c910c4334be47e0d3894bce141c1..b93c70b0400d326a66dc94e07a95b1a0e21074a3 100644 (file)
--- a/lib/Transforms/Scalar/GVNPRE.cpp
+++ b/lib/Transforms/Scalar/GVNPRE.cpp
@@ -158,11 +158,14 @@ Value* GVNPRE::phi_translate(ValueTable& VN, std::set<Value*, ExprLT>& MS,
       Value* newVal = BinaryOperator::create(BO->getOpcode(),
                                              newOp1, newOp2,
                                              BO->getName()+".gvnpre");
-      add(VN, MS, newVal);
-      if (!find_leader(VN, set, VN[newVal]))
+      
+      if (!find_leader(VN, set, VN[newVal])) {
+        add(VN, MS, newVal);
         return newVal;
-      else
+      } else {
+        delete newVal;
         return 0;
+      }
     }
   } else if (PHINode* P = dyn_cast<PHINode>(V)) {
     if (P->getParent() == pred->getTerminator()->getSuccessor(0))