================
@@ -2432,6 +2433,29 @@ void AMDGPURegisterBankInfo::applyMappingImpl(
       return;
     }
 
+    // 16-bit operations are VALU only, but can be promoted to 32-bit SALU.
+    // Packed 16-bit operations need to be scalarized and promoted.
----------------
Pierre-vh wrote:

It was copy pasted from below and I forgot to remove it, it's irrelevant here

https://github.com/llvm/llvm-project/pull/131306
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