[llvm] [AMDGPU][Offload] Enable memory manager use for up to ~3GB allocation size in omp_target_alloc (PR #151882)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,37 @@
+// clang-format off
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arsenm wrote:

clang-format doesn't run on tests anyway? 

https://github.com/llvm/llvm-project/pull/151882