[polly] Reland "[polly] Port polly tests to use NPM" (PR #92918)

[via llvm-commits]

rahulana-quic wrote:

Some of the NPM passes do not contain the corresponding prints that were present in the legacy passes leading to test failures. These prints need to be added and until then we need to retain both %loadPolly and %loadNPMPolly since some tests have to run the old passes.

https://github.com/llvm/llvm-project/pull/92918