[llvm] [AMDGPU] Improved Lowering of abs(i16) and -abs(i16) (PR #165626)

[Patrick Simmons via llvm-commits]

linuxrocks123 wrote:

@jayfoad if you mean did I search real code for examples, no.  If you mean did I construct examples, yes.  Running the testcase with main versus branch shows the improvement.

https://github.com/llvm/llvm-project/pull/165626