[llvm] [llvm-debuginfo-analyzer] Add support for LLVM IR format. (PR #135440)

[Javier Lopez-Gomez via llvm-commits]

================
@@ -45,3 +45,14 @@ This file is a static library embedding the **test-codeview-msvc.o** object file
 It is generated by the "lib.exe" tool shipped with MSVC compiler.
 
 ```lib.exe /OUT:test-codeview-msvc.lib test-codeview-msvc.o```
+
+# IR Textual representation and bitcode files (Linux):
----------------
jalopezg-git wrote:

```suggestion
# IR textual representation (.ll) and bitcode (.bc) files (x86_64-unknown-linux)
```

https://github.com/llvm/llvm-project/pull/135440