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# cab44c51 06-Jul-2022 Krzysztof Drewniak <[email protected]>

[mlir][AMDGPU] Add --chipset option to AMDGPUToROCDL

Because the buffer descriptor structure (the V#) has no backwards-compatibility
guarentees, and since said guarantees have been violated in pract

[mlir][AMDGPU] Add --chipset option to AMDGPUToROCDL

Because the buffer descriptor structure (the V#) has no backwards-compatibility
guarentees, and since said guarantees have been violated in practice
(see https://github.com/llvm/llvm-project/issues/56323 ), and since
the `targetIsRDNA` attribute isn't something that higher-level clients can set
in general, make the lowering of the amdgpu dialect to rocdl take a --chipset
option.

Note that this option is a string because adding a parser for the Chipset
struct to llvm::cl wasn't working out.

Reviewed By: herhut

Differential Revision: https://reviews.llvm.org/D129228

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