[llvm] [AMDGPU] Update comment about coop atomics ordering. NFC (PR #160463)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-amdgpu

Author: Stanislav Mekhanoshin (rampitec)

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<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/160463.diff


1 Files Affected:

- (modified) llvm/include/llvm/IR/IntrinsicsAMDGPU.td (+1) 


``````````diff
diff --git a/llvm/include/llvm/IR/IntrinsicsAMDGPU.td b/llvm/include/llvm/IR/IntrinsicsAMDGPU.td
index afce1fe6af854..50888b3d9b6d5 100644
--- a/llvm/include/llvm/IR/IntrinsicsAMDGPU.td
+++ b/llvm/include/llvm/IR/IntrinsicsAMDGPU.td
@@ -3808,6 +3808,7 @@ class AMDGPUCooperativeAtomicLoad<LLVMType Ty> : Intrinsic <
   [SDNPMemOperand, SDNPMayLoad]
 >;
 
+// TODO: We may want to drop _relaxed and use an atomic ordering operand instead.
 def int_amdgcn_cooperative_atomic_load_32x4B : AMDGPUCooperativeAtomicLoad<llvm_i32_ty>;
 def int_amdgcn_cooperative_atomic_store_32x4B : AMDGPUCooperativeAtomicStore<llvm_i32_ty>;
 def int_amdgcn_cooperative_atomic_load_16x8B : AMDGPUCooperativeAtomicLoad<llvm_v2i32_ty>;

``````````

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https://github.com/llvm/llvm-project/pull/160463