diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils/ValueMapper.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/ValueMapper.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Utils/ValueMapper.cpp b/llvm/lib/Transforms/Utils/ValueMapper.cpp index f8fa61329e2..84dcb42a749 100644 --- a/llvm/lib/Transforms/Utils/ValueMapper.cpp +++ b/llvm/lib/Transforms/Utils/ValueMapper.cpp @@ -341,8 +341,10 @@ Value *Mapper::mapValue(const Value *V) { ValueToValueMapTy::iterator I = getVM().find(V); // If the value already exists in the map, use it. - if (I != getVM().end() && I->second) + if (I != getVM().end()) { + assert(I->second && "Unexpected null mapping"); return I->second; + } // If we have a materializer and it can materialize a value, use that. if (auto *Materializer = getMaterializer()) { |
