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Diffstat (limited to 'lib/Transforms/Utils/BasicBlockUtils.cpp')
| -rw-r--r-- | lib/Transforms/Utils/BasicBlockUtils.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/Transforms/Utils/BasicBlockUtils.cpp b/lib/Transforms/Utils/BasicBlockUtils.cpp index 1a255a4..45cfe8f 100644 --- a/lib/Transforms/Utils/BasicBlockUtils.cpp +++ b/lib/Transforms/Utils/BasicBlockUtils.cpp @@ -27,7 +27,9 @@ using namespace llvm; /// DeleteDeadBlock - Delete the specified block, which must have no /// predecessors. void llvm::DeleteDeadBlock(BasicBlock *BB) { - assert(pred_begin(BB) == pred_end(BB) && "Block is not dead!"); + assert((pred_begin(BB) == pred_end(BB) || + // Can delete self loop. + BB->getSinglePredecessor() == BB) && "Block is not dead!"); TerminatorInst *BBTerm = BB->getTerminator(); // Loop through all of our successors and make sure they know that one |