================
@@ -2001,6 +2001,9 @@ def DeclareReductionOp : OpenMP_Op<"declare_reduction",
[IsolatedFromAbove,
allocated by the initializer region. The region has an argument that
contains the value of the thread-local reduction accumulator. This
will
be executed after the reduction has completed.
+ 6. The DataPtrPtr region specifies how to access the base address of a
+ boxed-value. This is used, in particular, for GPU reductions in order
+ know where partial reduction resutls are stored in remote lanes.
----------------
ergawy wrote:
Deon 😛
https://github.com/llvm/llvm-project/pull/165714
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