[llvm] [AMDGPU] Fix selection of s_load_b96 on GFX11 (PR #108029)

[Carl Ritson via llvm-commits]

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@@ -0,0 +1,42 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc -mtriple=amdgcn -mcpu=gfx1100 < %s | FileCheck %s -prefix=GFX11
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perlfu wrote:

Perhaps this should also have `gfx1200` run line to show that selection on GFX12 uses `s_load_b96`?

https://github.com/llvm/llvm-project/pull/108029