From 1cf08c1d6d59cbeead241f44d898eaa2a3bf1717 Mon Sep 17 00:00:00 2001 From: Dale Johannesen Date: Fri, 18 May 2007 01:28:58 +0000 Subject: [PATCH] Remove some unneeded branches. (spotted by Evan, thanks) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37198 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/BranchFolding.cpp | 1 + 1 file changed, 1 insertion(+) diff --git a/lib/CodeGen/BranchFolding.cpp b/lib/CodeGen/BranchFolding.cpp index 7b4aaae4824..d8ec3406921 100644 --- a/lib/CodeGen/BranchFolding.cpp +++ b/lib/CodeGen/BranchFolding.cpp @@ -595,6 +595,7 @@ bool BranchFolder::TailMergeBlocks(MachineFunction &MF) { // 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);