yaxunl marked an inline comment as done.
yaxunl added inline comments.

================
Comment at: clang/lib/CodeGen/CGCUDANV.cpp:1102
+          Info.D->isUsed() && !Info.D->hasAttr<UsedAttr>()) {
+        CGM.addCompilerUsedGlobal(Info.Var);
+      }
----------------
tra wrote:
> Do we want to limit it further to only externally-visible variables?
> I think we already externalize the variables we want to be visible across 
> host/device boundary.
> If the variable is not visible, there's no point keeping it around as the 
> runtime will not be able to find it in the GPU binary.
Good point. Will do


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  https://reviews.llvm.org/D98814/new/

https://reviews.llvm.org/D98814

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