[llvm] [C API] Add blockaddress getters to C API (PR #77390)

[Nikita Popov via llvm-commits]

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@@ -110,6 +110,9 @@ Changes to the Python bindings
 Changes to the C API
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+* Added ``LLVMGetBlockAddressFunction`` and ``LLVMGetBlockAddressBasicBlock``
+  functions for accessing the values in a blockaddress constant
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nikic wrote:

```suggestion
  functions for accessing the values in a blockaddress constant.
```

https://github.com/llvm/llvm-project/pull/77390