[llvm] [X86] Add APX imulzu support. (PR #116806)

[Phoebe Wang via llvm-commits]

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@@ -45,6 +45,8 @@ def NoEGPR       : Predicate<"!Subtarget->hasEGPR()">;
 // entries, so that the NDD variant can be selected first to benefit RA.
 def HasNDD       : Predicate<"Subtarget->hasNDD()">;
 def NoNDD        : Predicate<"!Subtarget->hasNDD()">;
+def HasZU        : Predicate<"Subtarget->hasZU()">;
+def NoZU         : Predicate<"!Subtarget->hasZU()">;
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phoebewang wrote:

Remove it.

https://github.com/llvm/llvm-project/pull/116806