[clang] [llvm] Add SME2 builtins for zero { zt0 } (PR #72274)

[Matthew Devereau via cfe-commits]

================
@@ -305,4 +305,9 @@ defm SVSUB : ZAAddSub<"sub">;
 let TargetGuard = "sme2" in {
   def SVLDR_ZT : Inst<"svldr_zt", "viQ", "", MergeNone, "aarch64_sme_ldr_zt", [IsOverloadNone, IsStreamingCompatible, IsSharedZA, IsPreservesZA], [ImmCheck<0, ImmCheck0_0>]>;
   def SVSTR_ZT : Inst<"svstr_zt", "vi%", "", MergeNone, "aarch64_sme_str_zt", [IsOverloadNone, IsStreamingCompatible, IsSharedZA, IsPreservesZA], [ImmCheck<0, ImmCheck0_0>]>;
+
+//
+// Zero ZT0
+//
+  def SVZERO_ZT : Inst<"svzero_zt", "vi", "", MergeNone, "aarch64_sme_zero_zt", [IsOverloadNone, IsStreamingCompatible, IsSharedZA, IsPreservesZA], [ImmCheck<0, ImmCheck0_0>]>;
----------------
MDevereau wrote:

Removed.

https://github.com/llvm/llvm-project/pull/72274