[llvm] [AMDGPU] Generate s_absdiff_i32 (PR #164835)

[via llvm-commits]

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@@ -0,0 +1,12 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=amdgcn-amd-amdpal -mcpu=gfx900 < %s | FileCheck %s
+
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LU-JOHN wrote:

Tested 16-bit case.

https://github.com/llvm/llvm-project/pull/164835