diff options
Diffstat (limited to 'llvm/lib/Bitcode/Reader/MetadataLoader.cpp')
| -rw-r--r-- | llvm/lib/Bitcode/Reader/MetadataLoader.cpp | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/llvm/lib/Bitcode/Reader/MetadataLoader.cpp b/llvm/lib/Bitcode/Reader/MetadataLoader.cpp index 1cfa1a82182..93212b0aa77 100644 --- a/llvm/lib/Bitcode/Reader/MetadataLoader.cpp +++ b/llvm/lib/Bitcode/Reader/MetadataLoader.cpp @@ -372,8 +372,14 @@ DistinctMDOperandPlaceholder &PlaceholderQueue::getPlaceholderOp(unsigned ID) { void PlaceholderQueue::flush(BitcodeReaderMetadataList &MetadataList) { while (!PHs.empty()) { - PHs.front().replaceUseWith( - MetadataList.getMetadataFwdRef(PHs.front().getID())); + auto *MD = MetadataList.getMetadataFwdRef(PHs.front().getID()); +#ifndef NDEBUG + if (auto MDN = dyn_cast<MDNode>(MD)) { + assert(MDN->isResolved() && + "Flushing Placeholder while cycles aren't resolved"); + } +#endif + PHs.front().replaceUseWith(MD); PHs.pop_front(); } } |
