Remove a stale forward declaration.

llvm-svn: 156770

diff --git a/llvm/include/llvm/Transforms/Utils/PromoteMemToReg.h b/llvm/include/llvm/Transforms/Utils/PromoteMemToReg.h
index 98d51a2..0bb6ec6 100644 (file)
--- a/llvm/include/llvm/Transforms/Utils/PromoteMemToReg.h
+++ b/llvm/include/llvm/Transforms/Utils/PromoteMemToReg.h
@@ -21,7 +21,6 @@ namespace llvm {
 
 class AllocaInst;
 class DominatorTree;
-class DominanceFrontier;
 class AliasSetTracker;
 
 /// isAllocaPromotable - Return true if this alloca is legal for promotion.