[llvm-branch-commits] [llvm] AMDGPU: Handle legal v2f16/v2bf16 atomicrmw fadd for global/flat (PR #95394)

[Matt Arsenault via llvm-branch-commits]

================
@@ -15931,6 +15931,26 @@ static OptimizationRemark emitAtomicRMWLegalRemark(const AtomicRMWInst *RMW) {
          << " operation at memory scope " << MemScope;
 }
 
+static bool isHalf2OrBFloat2(Type *Ty) {
----------------
arsenm wrote:

Both instructions were added together. The currently defined feature is HasAtomicFlatPkAdd16Insts, so this mirrors that 

https://github.com/llvm/llvm-project/pull/95394