diff options
Diffstat (limited to 'lib/Transforms/Utils/LoopUnroll.cpp')
| -rw-r--r-- | lib/Transforms/Utils/LoopUnroll.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/Transforms/Utils/LoopUnroll.cpp b/lib/Transforms/Utils/LoopUnroll.cpp index 9955bfd626..162807d03c 100644 --- a/lib/Transforms/Utils/LoopUnroll.cpp +++ b/lib/Transforms/Utils/LoopUnroll.cpp @@ -90,6 +90,7 @@ static BasicBlock *FoldBlockIntoPredecessor(BasicBlock *BB, LoopInfo* LI, // Move all definitions in the successor to the predecessor... OnlyPred->getInstList().splice(OnlyPred->end(), BB->getInstList()); + // OldName will be valid until erased. StringRef OldName = BB->getName(); // Erase basic block from the function... @@ -102,12 +103,13 @@ static BasicBlock *FoldBlockIntoPredecessor(BasicBlock *BB, LoopInfo* LI, } } LI->removeBlock(BB); - BB->eraseFromParent(); // Inherit predecessor's name if it exists... if (!OldName.empty() && !OnlyPred->hasName()) OnlyPred->setName(OldName); + BB->eraseFromParent(); + return OnlyPred; } |