SPIR-V validation error: "Expected input to be a pointer: ConvertPtrToU"

[karolherbst]

Multiple SyCL CTS tests are triggering the "Expected input to be a pointer: ConvertPtrToU" spir-v validation error, e.g. test_group

        %Event = OpTypeEvent
%call3_i_i_186 = OpGroupAsyncCopy %Event %uint_2 %78481 %78482 %ulong_10 %ulong_1 %1900
        %78484 = OpConvertPtrToU %ulong %call3_i_i_186

From the SPIR-V specification on OpConvertPtrToU: "Pointer must be a physical pointer type." And I see nothing in any relevant specification saying that OpTypeEvent is such a type.

[maksimsab]

Hi @karolherbst !
I've tried to reproduce this bug and didn't succeed.
Is it possible for you to try the latest compiler? Also could you please specify your reproducing steps? For example, I didn't observe locally OpConvertPtrToU operation in dumped device images.

[karolherbst]

Yeah, I can confirm that this error is gone with updated trees. I suspect the move to llvm-17 and to opaque-pointers changed the code as %Event types are actually impacted by it.