[llvm] [PAC][CodeGen][ELF][AArch64] Support signed TLSDESC (PR #113813)

[Anatoly Trosinenko via llvm-commits]

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@@ -886,6 +888,10 @@ def AArch64tlsdesc_callseq : SDNode<"AArch64ISD::TLSDESC_CALLSEQ",
                                     SDT_AArch64TLSDescCallSeq,
                                     [SDNPOutGlue, SDNPHasChain, SDNPVariadic]>;
 
+def AArch64tlsdesc_auth_callseq : SDNode<"AArch64ISD::TLSDESC_AUTH_CALLSEQ",
+                                    SDT_AArch64TLSDescAuthCallSeq,
+                                    [SDNPInGlue, SDNPOutGlue, SDNPHasChain,
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atrosinenko wrote:

Is it intended for `AArch64tlsdesc_auth_callseq` and `AArch64tlsdesc_callseq` to have different lists of properties (the latter has extra `SDNPInGlue`)?

https://github.com/llvm/llvm-project/pull/113813