[llvm] Add insert/extract test to test the legal form of instruction V_CNDMA… (PR #79384)

[Jeffrey Byrnes via llvm-commits]

================
@@ -0,0 +1,87 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
+; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=gfx90a -verify-machineinstrs < %s | FileCheck -check-prefixes=GFX90A %s
----------------
jrbyrnes wrote:

Can you add run lines for additional targest (e.g. gfx940, gfx1030, gfx1100)

https://github.com/llvm/llvm-project/pull/79384