[llvm-branch-commits] [clang] [llvm] [InstCombine] Canonicalize atomicrmw sub of a constant to add (PR #232626)

[Harrison Hao via llvm-branch-commits]

harrisonGPU wrote:

Here is benchmark result: https://github.com/dtcxzyw/llvm-opt-benchmark-nightly/pull/1729

https://github.com/llvm/llvm-project/pull/232626