diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2017-07-13 19:25:18 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2017-07-13 19:25:18 +0000 |
| commit | ca089b24d48ef6fa8da2d0bb8c25bb802c4a95c0 (patch) | |
| tree | 3a28a772df9b17aef34f49e3c727965ad28c0c93 /lib/CodeGen/SjLjEHPrepare.cpp | |
| parent | 9df3605dea17e84f8183581f6103bd0c79e2a606 (diff) | |
Notes
Diffstat (limited to 'lib/CodeGen/SjLjEHPrepare.cpp')
| -rw-r--r-- | lib/CodeGen/SjLjEHPrepare.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/CodeGen/SjLjEHPrepare.cpp b/lib/CodeGen/SjLjEHPrepare.cpp index 7886737b879c..17a3a84ecda5 100644 --- a/lib/CodeGen/SjLjEHPrepare.cpp +++ b/lib/CodeGen/SjLjEHPrepare.cpp @@ -125,8 +125,11 @@ static void MarkBlocksLiveIn(BasicBlock *BB, if (!LiveBBs.insert(BB).second) return; // already been here. - for (BasicBlock *PredBB : predecessors(BB)) - MarkBlocksLiveIn(PredBB, LiveBBs); + df_iterator_default_set<BasicBlock*> Visited; + + for (BasicBlock *B : inverse_depth_first_ext(BB, Visited)) + LiveBBs.insert(B); + } /// substituteLPadValues - Substitute the values returned by the landingpad |