Get rid of the Pass+Context magic.

llvm-svn: 76702
diff --git a/llvm/lib/Transforms/Utils/LCSSA.cpp b/llvm/lib/Transforms/Utils/LCSSA.cpp
index 1c31dc9..1b72849 100644
--- a/llvm/lib/Transforms/Utils/LCSSA.cpp
+++ b/llvm/lib/Transforms/Utils/LCSSA.cpp
@@ -243,7 +243,7 @@
                                DenseMap<DomTreeNode*, Value*> &Phis) {
   // If there is no dominator info for this BB, it is unreachable.
   if (BB == 0)
-    return Context->getUndef(OrigInst->getType());
+    return OrigInst->getContext().getUndef(OrigInst->getType());
                                  
   // If we have already computed this value, return the previously computed val.
   if (Phis.count(BB)) return Phis[BB];