diff options
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/NewGVN.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Scalar/NewGVN.cpp b/llvm/lib/Transforms/Scalar/NewGVN.cpp index 54fe5fd79d7..f3cbd87cae6 100644 --- a/llvm/lib/Transforms/Scalar/NewGVN.cpp +++ b/llvm/lib/Transforms/Scalar/NewGVN.cpp @@ -3497,9 +3497,11 @@ bool NewGVN::runGVN() { if (!ToErase->use_empty()) ToErase->replaceAllUsesWith(UndefValue::get(ToErase->getType())); - if (ToErase->getParent()) - ToErase->eraseFromParent(); + assert(ToErase->getParent() && + "BB containing ToErase deleted unexpectedly!"); + ToErase->eraseFromParent(); } + Changed |= !InstructionsToErase.empty(); // Delete all unreachable blocks. auto UnreachableBlockPred = [&](const BasicBlock &BB) { |
