[llvm] [AArch64][GlobalISel] Expand handling for sitofp and uitofp (PR #71282)

[via llvm-commits]

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@@ -673,10 +673,33 @@ AArch64LegalizerInfo::AArch64LegalizerInfo(const AArch64Subtarget &ST)
 
   getActionDefinitionsBuilder({G_SITOFP, G_UITOFP})
       .legalForCartesianProduct({s32, s64, v2s64, v4s32, v2s32})
+      .legalIf([=](const LegalityQuery &Query) {
+        return HasFP16 &&
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tschuett wrote:

```
typeInSet(0, {s16, v4s16, v8s16})(Query) && typeInSet(1, {s32, s64, v4s16, v8s16})(Query)
```
WDYT?

https://github.com/llvm/llvm-project/pull/71282