[AMDGPU][MC][GFX9] Added integer clamping support for VOP3 opcodes

See Bug 34152: https://bugs.llvm.org//show_bug.cgi?id=34152

Reviewers: SamWot, artem.tamazov, arsenm

Differential Revision: https://reviews.llvm.org/D36674

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@311006 91177308-0d34-0410-b5e6-96231b3b80d8
17 files changed