[llvm] [X86][GlobalISel] - Legalize And Select of G_FPTOSI/G_SITOFP in X87 mode (PR #137377)

[Simon Pilgrim via llvm-commits]

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@@ -491,46 +491,38 @@ X86LegalizerInfo::X86LegalizerInfo(const X86Subtarget &STI,
       });
 
   getActionDefinitionsBuilder(G_SITOFP)
-      .legalIf([=](const LegalityQuery &Query) {
-        return (HasSSE1 &&
-                (typePairInSet(0, 1, {{s32, s32}})(Query) ||
-                 (Is64Bit && typePairInSet(0, 1, {{s32, s64}})(Query)))) ||
-               (HasSSE2 &&
-                (typePairInSet(0, 1, {{s64, s32}})(Query) ||
-                 (Is64Bit && typePairInSet(0, 1, {{s64, s64}})(Query))));
-      })
-      .customIf([=](const LegalityQuery &Query) -> bool {
-        if (!UseX87)
-          return false;
-        if ((typeIs(0, s32)(Query) && HasSSE1) ||
-            (typeIs(0, s64)(Query) && HasSSE2))
-          return false;
-        return typeInSet(0, {s32, s64, s80})(Query) &&
-               typeInSet(1, {s16, s32, s64})(Query);
-      })
+      .legalFor(HasSSE1, {s32, s32})
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RKSimon wrote:

Should this be: `.legalFor(HasSSE1, {{s32, s32}})` for the dst/src pair?

https://github.com/llvm/llvm-project/pull/137377