================
@@ -2689,6 +2689,12 @@ def int_amdgcn_global_load_tr_b128 : 
AMDGPULoadIntrinsic<global_ptr_ty>;
 def int_amdgcn_wave_id :
   DefaultAttrsIntrinsic<[llvm_i32_ty], [], [NoUndef<RetIndex>, IntrNoMem, 
IntrSpeculatable]>;
 
+def int_amdgcn_s_prefetch_data :
+  Intrinsic<[], [llvm_anyptr_ty, llvm_i32_ty],
----------------
rampitec wrote:

Added comments. I will have to guard the regular llvm.prefetch, the instruction 
turns to be unsafe with invalid address. Besides target intrinsic can take 
length operand.

https://github.com/llvm/llvm-project/pull/107133
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