[llvm] [AMDGPU][True16][CodeGen] optimize codegen for mad-mix in true16 (PR #124995)

[Brox Chen via llvm-commits]

broxigarchen wrote:

Since https://github.com/llvm/llvm-project/pull/128919 is merged, open this PR again and update the code

https://github.com/llvm/llvm-project/pull/124995