Remove some unneeded branches. (spotted by Evan, thanks)
llvm-svn: 37198
diff --git a/llvm/lib/CodeGen/BranchFolding.cpp b/llvm/lib/CodeGen/BranchFolding.cpp
index 7b4aaae..d8ec340 100644
--- a/llvm/lib/CodeGen/BranchFolding.cpp
+++ b/llvm/lib/CodeGen/BranchFolding.cpp
@@ -595,6 +595,7 @@
// Reinsert an unconditional branch if needed.
// The 1 below can be either an original single predecessor, or a result
// of removing blocks in TryMergeBlocks.
+ PredBB = prior(I); // this may have been changed in TryMergeBlocks
if (MergePotentials.size()==1 &&
(MergePotentials.begin())->second != PredBB)
FixTail((MergePotentials.begin())->second, I, TII);