Insert cloned loop basic blocks before original loop header.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41713 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Utils/CloneLoop.cpp b/lib/Transforms/Utils/CloneLoop.cpp
index 6e35916c89a4770590b0a835ae7130655095c249..61d25f2dfae56da00089edc59889e9ecbeaf7dc7 100644 (file)
--- a/lib/Transforms/Utils/CloneLoop.cpp
+++ b/lib/Transforms/Utils/CloneLoop.cpp
@@ -145,7 +145,9 @@ Loop *llvm::CloneLoop(Loop *OrigL, LPPassManager  *LPM, LoopInfo *LI,
 
   BasicBlock *Latch = OrigL->getLoopLatch();
   Function *F = Latch->getParent();
-  F->getBasicBlockList().insert(Latch, NewBlocks.begin(), NewBlocks.end());
+  F->getBasicBlockList().insert(OrigL->getHeader(), 
+                                NewBlocks.begin(), NewBlocks.end());
+
 
   return NewParentLoop;
 }