[llvm] [LLVM][IR] Add support for address space names in DataLayout (PR #170559)

[Nikita Popov via llvm-commits]

================
@@ -92,6 +93,9 @@ class DataLayout {
     /// of this would be CHERI capabilities where the validity bit is stored
     /// separately from the pointer address+bounds information.
     bool HasExternalState;
+    // Symbolic name of the address space.
----------------
nikic wrote:

```suggestion
    /// Symbolic name of the address space.
```

https://github.com/llvm/llvm-project/pull/170559