[llvm-bugs] [Bug 28169] New: [mc][gfx7] VOP3 insns (v_cubeid_f32, v_fma_f32/64 etc) -- inline constants not supported

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=28169

            Bug ID: 28169
           Summary: [mc][gfx7] VOP3 insns (v_cubeid_f32, v_fma_f32/64 etc)
                    -- inline constants 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

The following instructions have issues with inline constants and modifiers:
> v_cubeid_f32
> v_cubema_f32
> v_cubesc_f32
> v_cubetc_f32
> v_div_fixup_f32
> v_div_fixup_f64
> v_div_fmas_f32
> v_div_fmas_f64
> v_fma_f32
> v_fma_f64
> v_mad_f32
> v_mad_legacy_f32
> v_max3_f32
> v_med3_f32
> v_min3_f32
> v_mullit_f32

Number of failing lit1 tests (-search=simple) = 4329. 

I am almost sure that issue appears for other sub-targets as well, e.g. gfx8

Tested with r272673 (git # da10a460d7c98278561225fda90855b303675f35)

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