[llvm] [AArch64] Don't emit stack restore for SME ZA non-sibling tail calls (PR #224721)

[Benjamin Maxwell via llvm-commits]

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@@ -0,0 +1,22 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
+; RUN: llc -mtriple arm64-apple-ios -mattr +sme -o - < %s | FileCheck %s
+
+declare void @callee() "aarch64_inout_za"
+
+define void @caller0(i64 %0, i64 %1, i64 %2, i64 %3, i64 %4,
+; CHECK-LABEL: caller0:
+; CHECK:       ; %bb.0:
+; CHECK-NEXT:    b _callee
+                     i64 %5, i64 %6, i64 %7, i64 %8) "aarch64_inout_za" {
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MacDue wrote:

nit: Don't line wrap arguments as it does not work great with  `update_llc_test_checks.py`.

https://github.com/llvm/llvm-project/pull/224721