AMDGPU: Additional pattern for i16 median3 matching

min(max(a, b), max(min(a, b), c))

Differential Revision: https://reviews.llvm.org/D54494



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@346886 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed