Fix typo.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166456 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Utils/PromoteMemoryToRegister.cpp b/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
index fb65a18..558de9d 100644
--- a/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
+++ b/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
@@ -593,7 +593,7 @@
     EliminatedAPHI = false;
     
     // Iterating over NewPhiNodes is deterministic, so it is safe to try to
-    // simplify and RUAW them as we go.  If it was not, we could add uses to
+    // simplify and RAUW them as we go.  If it was not, we could add uses to
     // the values we replace with in a non deterministic order, thus creating
     // non deterministic def->use chains.
     for (DenseMap<std::pair<unsigned, unsigned>, PHINode*>::iterator I =