[flang-commits] [clang] [flang] [llvm] [flang][cmake][perf-training] Optimize flang with PGO and BOLT (PR #198863)

[Paul Osmialowski via flang-commits]

pawosm-arm wrote:

> Which changes? I only see `BufSize` and `offload-device.f90` need adaptation, outside adding the initial infrastructure.

Yes, I was thinking about `offload-device.f90`. Today, it's one file, but who knows what it is going to look like tomorrow.

> Create an RFC on Discourse then? Otherwise, I would actually greenlight this PR.

There is an RFC behind this PR: https://discourse.llvm.org/t/rfc-flang-cmake-perf-training-optimize-flang-with-pgo-and-bolt/90884

https://github.com/llvm/llvm-project/pull/198863