[llvm] [AArch64] Optimise materialisation of large stack offset calculations (PR #201856)

[Nathan Corbyn via llvm-commits]

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@@ -0,0 +1,15 @@
+# RUN: llc -mtriple=arm64-apple-ios -run-pass=prologepilog %s -o - | FileCheck %s
+---
+name: large_stack_offset_calc
+tracksRegLiveness: true
+stack:
+  - { id: 0, size: 32768, alignment: 8 }
+body: |
+  ; CHECK-LABEL: name: large_stack_offset_calc
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cofibrant wrote:

Ah! Sorry I missed this comment. I can add a test like that, sure.

https://github.com/llvm/llvm-project/pull/201856