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

[Shilei Tian via cfe-commits]

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@@ -5908,8 +5908,6 @@ RValue CodeGenFunction::EmitBuiltinExpr(const GlobalDecl GD, unsigned BuiltinID,
           }
         }
 
-        assert(ArgValue->getType()->canLosslesslyBitCastTo(PTy) &&
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shiltian wrote:

This change might need to go to a separate patch.

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