diff options
| author | Devang Patel <dpatel@apple.com> | 2007-10-09 21:31:36 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2007-10-09 21:31:36 +0000 |
| commit | b593898e114370ccabccc2d49889350d1680419a (patch) | |
| tree | d40c52cf289398f576d3aaec759a8e0bb94d9716 /lib | |
| parent | cd80c169d744148f1ad709d21ef1694173f397e1 (diff) | |
Do not walk invalid iterator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42812 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Transforms/Scalar/LoopUnswitch.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Transforms/Scalar/LoopUnswitch.cpp b/lib/Transforms/Scalar/LoopUnswitch.cpp index 01e4f25d07..0c35b11df2 100644 --- a/lib/Transforms/Scalar/LoopUnswitch.cpp +++ b/lib/Transforms/Scalar/LoopUnswitch.cpp @@ -632,8 +632,8 @@ void LoopUnswitch::ReplaceLoopExternalDFMember(Loop *L, BasicBlock *BB, DominanceFrontier::DomSetType &DFSet = DFI->second; for (DominanceFrontier::DomSetType::iterator DI = DFSet.begin(), - DE = DFSet.end(); DI != DE; ++DI) { - BasicBlock *B = *DI; + DE = DFSet.end(); DI != DE;) { + BasicBlock *B = *DI++; if (L->contains(B)) continue; |