[PATCH] D88774: Add disassembly counter after disasembly line

[Nicolai Hähnle via Phabricator via llvm-commits]

nhaehnle added a comment.

In D88774#2327009 <https://reviews.llvm.org/D88774#2327009>, @jiaolu wrote:

> In D88774#2325404 <https://reviews.llvm.org/D88774#2325404>, @arsenm wrote:
>
>> Please work on removing this feature from the backend instead. It's long past time to stop handling this in the compiler
>
> There are several shader debugger tools/situation dependent on this feature.
> e.g. one line like this "s_andn2_b32   vcc_lo, vcc_lo, 0             ;000974: 8A6A806A"
> 1). we feed the disassembly count "0x000974" to the shader debugger tool to get this line of code execution ,register input and output.
> 2).Also there is some other shader dump tool,e.g. umr. or windbg  which output a stream of hardware codes,  we can use the hardware code to find matched part of disassembly lines.
> 3). we also have one shader replacement tool , to drop and replace part of the elf hardware code, if we have full disassembly line with counter and hardware code, it would be handy where to edit hardware code.
>
> Hope it explains.

It doesn't really. If you already parse this text output, surely you could just derive the offset yourself by counting the number of dwords in comments?


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https://reviews.llvm.org/D88774