[llvm] [DAG] Fix Failure to reassociate SMAX/SMIN/UMAX/UMIN (PR #82175)

[via llvm-commits]

SahilPatidar wrote:

> Please can you fix the failing tests
> 
> ```
> Failed Tests (5):
>   LLVM :: CodeGen/RISCV/rvv/fixed-vectors-strided-vpload.ll
>   LLVM :: CodeGen/RISCV/rvv/fixed-vectors-vpload.ll
>   LLVM :: CodeGen/X86/combine-smin.ll
>   LLVM :: CodeGen/X86/combine-umax.ll
>   LLVM :: CodeGen/X86/combine-umin.ll
> ```

done

https://github.com/llvm/llvm-project/pull/82175