[clang] [llvm] [RFC][AMDGPU] Use `bf16` instead of `i16` for bfloat (PR #80908)

[Stanislav Mekhanoshin via cfe-commits]

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@@ -521,8 +521,11 @@ void AMDGPUInstPrinter::printImmediateV216(uint32_t Imm, uint8_t OpType,
     if (printImmediateFloat32(Imm, STI, O))
       return;
     break;
+  case AMDGPU::OPERAND_REG_IMM_V2BF16:
   case AMDGPU::OPERAND_REG_IMM_V2FP16:
+  case AMDGPU::OPERAND_REG_INLINE_C_V2BF16:
   case AMDGPU::OPERAND_REG_INLINE_C_V2FP16:
+  case AMDGPU::OPERAND_REG_INLINE_AC_V2BF16:
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rampitec wrote:

It does not seem right, and there are no tests for v2bf16 added. I am not sure though we have instructions which can accept this type of operand.

https://github.com/llvm/llvm-project/pull/80908