tianshilei1992 marked 3 inline comments as done.
tianshilei1992 added inline comments.


================
Comment at: clang/lib/CodeGen/CGOpenMPRuntime.cpp:2944-2947
+    // This could happen if the device compilation is invoked standalone.
+    if (!hasTargetRegionEntryInfo(DeviceID, FileID, ParentName, LineNum))
+      initializeTargetRegionEntryInfo(DeviceID, FileID, ParentName, LineNum,
+                                      OffloadingEntriesNum);
----------------
ABataev wrote:
> jdoerfert wrote:
> > ABataev wrote:
> > > I would add a chack that to auxiliary device was specified. And if it was 
> > > specified, it means this is not device-only mode and still need to emit 
> > > an error.
> > No it doesn't. There is nothing wrong with https://godbolt.org/z/T1h9b5, 
> > and as I said before, I can build the situation in various other ways as 
> > well, some of which will be outside of the users control. A global can 
> > exist in the host/device code only.
> I'm not saying that this is wrong. This code was used to check that the 
> compiler works correctly and it just allows developer to understand that 
> there is a problem with the compiler if it misses something and there is a 
> difference between host and device codegens. If we don't want to emit an 
> error here, still would be good to have something like an assert to be sure 
> that the host/device codegens are synced.
That check still doesn't work for the test case provided by @jdoerfert because 
host IR doesn't contain that global in the offload info.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D94871/new/

https://reviews.llvm.org/D94871

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