[llvm] [AMDGPU][GlobalISel] Add RegBankLegalize support for G_FMAD, G_FMA, a… (PR #172941)

[Petar Avramovic via llvm-commits]

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@@ -968,6 +968,42 @@ RegBankLegalizeRules::RegBankLegalizeRules(const GCNSubtarget &_ST,
       .Uni(S32, {{Sgpr32}, {Sgpr32, Sgpr32}}, hasSALUFloat)
       .Uni(S32, {{UniInVgprS32}, {Vgpr32, Vgpr32}}, !hasSALUFloat);
 
+  addRulesForGOpcs({G_FMAD}, Standard)
+      .Uni(S16, {{UniInVgprS16}, {Vgpr16, Vgpr16, Vgpr16}})
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petar-avramovic wrote:

missing test

https://github.com/llvm/llvm-project/pull/172941