[llvm-branch-commits] [llvm] AMDGPU: Custom lower 32-bit element shuffles (PR #123711)

[Matt Arsenault via llvm-branch-commits]

arsenm wrote:

> Is there any way at all to test it?

Many shuffle tests were added in 7786266dc7b4e89feadcb01ff21f9e3cf2022a6b, this shows they are a no-op. The expected test changes from this are in #123711

https://github.com/llvm/llvm-project/pull/123711