[libcxx-commits] [clang-tools-extra] [openmp] [libc] [compiler-rt] [llvm] [clang] [lld] [flang] [libcxx] [lldb] [PGO][OpenMP] Instrumentation for GPU devices (PR #76587)

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WenleiHe wrote:

> ongoing effort to extends PGO instrumentation to GPU device code

Is there a high level description for this effort and its goal? Traditional compiler PGO is mostly for profiling control-flow, but we don't usually have a lot of control flow for GPU kernels. 

https://github.com/llvm/llvm-project/pull/76587