[clang-tools-extra] [clang] [llvm] [AMDGPU][GFX12] Add Atomic cond_sub_u32 (PR #76224)

[Matt Arsenault via llvm-commits]

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@@ -1182,6 +1182,11 @@ The AMDGPU backend implements the following LLVM IR intrinsics.
 
                                                    The iglp_opt strategy implementations are subject to change.
 
+  llvm.atomic.cond.sub.u32                         Provides direct access to flat_atomic_cond_sub_u32, global_atomic_cond_sub_u32
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arsenm wrote:

missed the amdgcn part 

https://github.com/llvm/llvm-project/pull/76224