diff options
| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2013-01-24 23:59:08 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2013-01-24 23:59:08 +0000 |
| commit | dd4fc446b52cf9e617846c77e2c46e827f1d533e (patch) | |
| tree | 97cc8f124bc573668c2305eae8e9830ac48e08a8 /lib/CodeGen/IfConversion.cpp | |
| parent | b3755e7fa2e386e9bd348eda6b1876ae09c1bf99 (diff) | |
Avoid creating duplicate CFG edges in the IfConversion pass.
Patch by Stefan Hepp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173395 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/IfConversion.cpp')
| -rw-r--r-- | lib/CodeGen/IfConversion.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/IfConversion.cpp b/lib/CodeGen/IfConversion.cpp index 3583a9b71b..9958d7daad 100644 --- a/lib/CodeGen/IfConversion.cpp +++ b/lib/CodeGen/IfConversion.cpp @@ -1557,7 +1557,7 @@ void IfConverter::MergeBlocks(BBInfo &ToBBI, BBInfo &FromBBI, bool AddEdges) { if (Succ == FallThrough) continue; FromBBI.BB->removeSuccessor(Succ); - if (AddEdges) + if (AddEdges && !ToBBI.BB->isSuccessor(Succ)) ToBBI.BB->addSuccessor(Succ); } |