[llvm] [AArch64] merge index address with large offset into base address (PR #72187)

[via llvm-commits]

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@@ -209,3 +209,88 @@ define void @t17(i64 %a) {
   %3 = load volatile i64, ptr %2, align 8
   ret void
 }
+
+; https://gcc.godbolt.org/z/ErhhdxMv3
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vfdff wrote:

Done

https://github.com/llvm/llvm-project/pull/72187