Remove unused function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53090 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Scalar/LoopUnswitch.cpp b/lib/Transforms/Scalar/LoopUnswitch.cpp
index 899289fdfcda1cf77ffe8b8984355892105b7ea1..28051fa2101cd535f84d2fc51b378215269287ed 100644 (file)
--- a/lib/Transforms/Scalar/LoopUnswitch.cpp
+++ b/lib/Transforms/Scalar/LoopUnswitch.cpp
@@ -762,22 +762,6 @@ void LoopUnswitch::SplitExitEdges(Loop *L,
 
 }
 
-/// addBBToDomFrontier - Helper function. Insert DFBB in Basic Block BB's
-/// dominance frontier using iterator DFI.
-static void addBBToDomFrontier(DominanceFrontier &DF,
-                               DominanceFrontier::iterator &DFI,
-                               BasicBlock *BB, BasicBlock *DFBB) {
-  if (DFI != DF.end()) {
-    DF.addToFrontier(DFI, DFBB);
-    return;
-  }
-
-  DominanceFrontier::DomSetType NSet;
-  NSet.insert(DFBB);
-  DF.addBasicBlock(BB, NSet);
-  DFI = DF.find(BB);
-}
-
 /// UnswitchNontrivialCondition - We determined that the loop is profitable 
 /// to unswitch when LIC equal Val.  Split it into loop versions and test the 
 /// condition outside of either loop.  Return the loops created as Out1/Out2.