[llvm] [CodeGen][StaticDataPartitioning]Place local-linkage global variables in hot or unlikely prefixed sections based on profile information (PR #125756)

[Mingming Liu via llvm-commits]

mingmingl-llvm wrote:

The [presubmit failure](https://buildkite.com/llvm-project/github-pull-requests/builds/162943#0195de6c-2ce9-474c-b77d-012f0b08e177) in `LLVM.tools/llvm-exegesis/RISCV/rvv/filter.test` doesn't look relevant according to error message, and the test passed locally (with `-DLLVM_TARGETS_TO_BUILD="X86;AArch64;RISCV"`). So it might be flakiness.

https://github.com/llvm/llvm-project/pull/125756