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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 | f8956178af08b08562ad38cedef6bc244dc86c1b (patch) | |
| tree | bad91477e98f04cdc8065f6dc808fd5084d7e36a /llvm/lib/CodeGen/BranchFolding.cpp | |
| parent | ea623560f8252cbe63eeac4a38abfd1e774eee42 (diff) | |
| download | bcm5719-llvm-f8956178af08b08562ad38cedef6bc244dc86c1b.tar.gz bcm5719-llvm-f8956178af08b08562ad38cedef6bc244dc86c1b.zip | |
Remove some unneeded branches. (spotted by Evan, thanks)
llvm-svn: 37198
Diffstat (limited to 'llvm/lib/CodeGen/BranchFolding.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/BranchFolding.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/BranchFolding.cpp b/llvm/lib/CodeGen/BranchFolding.cpp index 7b4aaae4824..d8ec3406921 100644 --- a/llvm/lib/CodeGen/BranchFolding.cpp +++ b/llvm/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); |
