[PATCH] D87970: [ThinLTO] Avoid temporaries when loading global decl attachment metadata

Eugene Leviant via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Sep 21 04:01:46 PDT 2020


evgeny777 added inline comments.


================
Comment at: llvm/lib/Bitcode/Reader/MetadataLoader.cpp:894
+// their parsing until after the index is created, we can use the index
+// instead of creating temporaries.
+Expected<bool> MetadataLoader::MetadataLoaderImpl::loadGlobalDeclAttachments() {
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So this is not called during ThinLTO import, is it?


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Comment at: llvm/lib/Bitcode/Reader/MetadataLoader.cpp:2115
       return error("Invalid ID");
-    MDNode *MD = MetadataList.getMDNodeFwdRefOrNull(Record[I + 1]);
+    MDNode *MD =
+        dyn_cast_or_null<MDNode>(getMetadataFwdRefOrLoad(Record[I + 1]));
----------------
Why is this change needed?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D87970/new/

https://reviews.llvm.org/D87970



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