ABataev added inline comments.

================
Comment at: clang/lib/CodeGen/CGOpenMPRuntime.cpp:9566
+    MEHandler.generateAllInfo(BasePointers, Pointers, Sizes, MapTypes,
+                              CapturedVarSet, /*PresentModifierOnly=*/true);
 
----------------
jdenny wrote:
> In today's OpenMP/LLVM call, it was pointed out that this issue represents a 
> general Clang bug for map clauses: map clauses generally shouldn't be ignored 
> just because their variables aren't referenced in the construct.
> 
> Here, I tried to handle this issue only in the case of a `present` modifier 
> because I previously didn't consider whether the existing behavior for other 
> map types was a bug.  My solution here was similar to what's done for `omp 
> target data`, which doesn't have captures at all.  Perhaps, this should 
> generalized to other map types.
> 
> Another possibility might be to expand what's captured in Sema.
It must be fixed in a separate patch. We definitely should not modify sema 
here, just the codegen. Currently, it iterates through all captures in region, 
also need to iterate through the explicit maps.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D83061/new/

https://reviews.llvm.org/D83061



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