Clean up static analyzer warnings.

Clang's static analyzer found several potential cases of undefined
behavior, use of un-initialized values, and potentially null pointer
dereferences in tablegen, Support, MC, and ADT. This cleans them up
with specific assertions on the assumptions of the code.

llvm-svn: 224154

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/lib/TableGen/Record.cpp b/llvm/lib/TableGen/Record.cpp
index 34e3ab4a2e3..3a2ae96340c 100644
--- a/llvm/lib/TableGen/Record.cpp
+++ b/llvm/lib/TableGen/Record.cpp
@@ -812,7 +812,7 @@ Init *UnOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const {
             return VarInit::get(MCName, RV->getType());
           }
         }
-
+        assert(CurRec && "NULL pointer");
         if (Record *D = (CurRec->getRecords()).getDef(Name))
           return DefInit::get(D);