MetadataLoader upgradeCUVariables() - silence static analyzer dyn_cast_or_null<> null dereference warning. NFCI.

The static analyzer is warning about a potential null dereference, but we know that the source won't be null so just use dyn_cast, which will assert if the value somehow is actually null.

llvm-svn: 373448

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/lib/Bitcode/Reader/MetadataLoader.cpp b/llvm/lib/Bitcode/Reader/MetadataLoader.cpp
index 049164c7be7..4da51dda8b7 100644
--- a/llvm/lib/Bitcode/Reader/MetadataLoader.cpp
+++ b/llvm/lib/Bitcode/Reader/MetadataLoader.cpp
@@ -515,7 +515,7 @@ class MetadataLoader::MetadataLoaderImpl {
       GV.getMetadata(LLVMContext::MD_dbg, MDs);
       GV.eraseMetadata(LLVMContext::MD_dbg);
       for (auto *MD : MDs)
-        if (auto *DGV = dyn_cast_or_null<DIGlobalVariable>(MD)) {
+        if (auto *DGV = dyn_cast<DIGlobalVariable>(MD)) {
           auto *DGVE = DIGlobalVariableExpression::getDistinct(
               Context, DGV, DIExpression::get(Context, {}));
           GV.addMetadata(LLVMContext::MD_dbg, *DGVE);