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| author | Dale Johannesen <dalej@apple.com> | 2007-05-18 01:28:58 +0000 |
|---|---|---|
| committer | Dale Johannesen <dalej@apple.com> | 2007-05-18 01:28:58 +0000 |
| commit | 1cf08c1d6d59cbeead241f44d898eaa2a3bf1717 (patch) | |
| tree | 0ae69fcf5abcbb9e78042157f665bdf3211ebe58 /lib/CodeGen/BranchFolding.cpp | |
| parent | e5e7ce458a2062dd9a8b495f4d73d359e0e269de (diff) | |
| download | llvm-1cf08c1d6d59cbeead241f44d898eaa2a3bf1717.tar.gz llvm-1cf08c1d6d59cbeead241f44d898eaa2a3bf1717.tar.bz2 llvm-1cf08c1d6d59cbeead241f44d898eaa2a3bf1717.tar.xz | |
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
Diffstat (limited to 'lib/CodeGen/BranchFolding.cpp')
| -rw-r--r-- | lib/CodeGen/BranchFolding.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/BranchFolding.cpp b/lib/CodeGen/BranchFolding.cpp index 7b4aaae482..d8ec340692 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); |