[llvm] AMDGPU/GlobalISel: Legalize BF16 FSQRT, FLOG2, and FEXP2 (PR #214123)

[Lukas Sommer via llvm-commits]

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@@ -1096,7 +1098,9 @@ AMDGPULegalizerInfo::AMDGPULegalizerInfo(const GCNSubtarget &ST_,
   } else {
     getActionDefinitionsBuilder(G_FSQRT)
         .customFor({F32, F64, F16})
+        .legalFor(ST.hasBF16TransInsts(), {BF16})
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sommerlukas wrote:

Can we actually have a scenario where `has16BitInsts` is `false` while `hasBF16TransInsts` is `true`?

https://github.com/llvm/llvm-project/pull/214123