[llvm] [NFC][AMDGPU] Pre-commit test for setcc removal by using add/sub carryout (PR #155118)

[via llvm-commits]

================
@@ -0,0 +1,400 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+;; Test that carryout from 64-bit add/sub (synthesized from two 32-bit adds/subs) is utilized
+;; (i.e. no additional compare is generated).
+
+; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 < %s | FileCheck %s
----------------
LU-JOHN wrote:

Updated to amdpal

https://github.com/llvm/llvm-project/pull/155118