[clang] [llvm] [AArch64] Enable svcompact intrinsic in streaming mode with SME2.2 (PR #151703)

[Paul Walker via llvm-commits]

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@@ -980,8 +980,8 @@ defm SVCLASTA_N : SVEPerm<"svclasta[_n_{d}]", "sPsd", "aarch64_sve_clasta_n">;
 defm SVCLASTB   : SVEPerm<"svclastb[_{d}]",   "dPdd", "aarch64_sve_clastb">;
 defm SVCLASTB_N : SVEPerm<"svclastb[_n_{d}]", "sPsd", "aarch64_sve_clastb_n">;
 
-let SVETargetGuard = "sve", SMETargetGuard = InvalidMode in {
-def SVCOMPACT : SInst<"svcompact[_{d}]",   "dPd",  "ilUiUlfd", MergeNone, "aarch64_sve_compact">;
+let SVETargetGuard = "sve,sme2p2", SMETargetGuard = "sme2p2" in {
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paulwalker-arm wrote:

You shouldn't need to change `SVETargetGuard=`, in fact I think the change will likely break stuff because it'll force the need for sme2p2 for non-streaming functions when only sve is required.

https://github.com/llvm/llvm-project/pull/151703