[llvm] [WIP] Extend data layout to add non zero null value for address space. (PR #83109)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,20 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
+; RUN: opt < %s -S -mtriple=amdgcn-- | FileCheck %s
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arsenm wrote:

I don't know what this test is supposed to be showing 

https://github.com/llvm/llvm-project/pull/83109