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

[via llvm-commits]

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+// clang-format off
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hidekisaito wrote:

This is a copy of use_after_free_2.c, adjusted for memory pooling. "clang-format off" comes from use_after_free_2.c. I didn't fix use_after_free_2.c on that, and I wanted to maintain as much similarities to the original as possible. So, the change was limited to 1) where they are needed for functionality and 2) where CI's clang-format check flagged. I can change it in the new file, if needed, but if so should I also get rid of the "clang-format off" usage in use_after_free_2.c???

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