[llvm-branch-commits] [llvm] ValueTracking: Improve computeKnownFPClass fmul handling (PR #173247)

[Yingwei Zheng via llvm-branch-commits]

https://github.com/dtcxzyw approved this pull request.

LGTM. IR diff on llvm-opt-benchmark: https://github.com/dtcxzyw/llvm-opt-benchmark/pull/3193

https://github.com/llvm/llvm-project/pull/173247