[PATCH] D66669: [X86] Remove what little support we had for MPX

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

I think this needs adding to the draft 10.0 release notes as well.



================
Comment at: llvm/lib/Target/X86/X86.td:244
                                       "Support ptwrite instruction">;
-def FeatureMPX     : SubtargetFeature<"mpx", "HasMPX", "true",
-                                      "Support MPX instructions">;
+// FIXME: This feature is deprecated and should not be used for anything, but
+// removing it would break IR files that may contain it in a target-feature
----------------
Add a note saying this was deprecated at llvm10? We're not great at removing deprecations (AutoUpgrade.....) but we should keep track.


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https://reviews.llvm.org/D66669