[llvm-bugs] [Bug 28240] New: [mc] image_atomic_f*/load/store_mip/pck* -- insns not supported.

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https://llvm.org/bugs/show_bug.cgi?id=28240

            Bug ID: 28240
           Summary: [mc] image_atomic_f*/load/store_mip/pck* -- insns not
                    supported.
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Backend: AMDGPU
          Assignee: artem.tamazov at amd.com
          Reporter: artem.tamazov at amd.com
                CC: llvm-bugs at lists.llvm.org, nikolay.haustov at amd.com
    Classification: Unclassified

Created attachment 16617
  --> https://llvm.org/bugs/attachment.cgi?id=16617&action=edit
04919.tests_tg_gfx7_asm_lit1_bug.06.08.min.image_atomic_etc-unsupported.zip

Unsupported instructions:
> image_atomic_fcmpswap
> image_atomic_fmax
> image_atomic_fmin
> image_load_mip_pck
> image_load_mip_pck_sgn
> image_load_pck
> image_load_pck_sgn
> image_store_mip_pck
> image_store_pck

Some GFX7 lit tests attached.
These tests are not guaranteed to be valid, though.

Tested with r273139 (git # 4a94acfea8bfd6eb6b5809dd40f03e1fa42e673a)

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