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

[Javier Lopez-Gomez via llvm-commits]

================
@@ -190,11 +206,11 @@ Error LVReaderHandler::handleBuffer(LVReaders &Readers, StringRef Filename,
     return handleFile(Readers, PdbPath.get(), Filename);
   }
 
-  Expected<std::unique_ptr<Binary>> BinOrErr = createBinary(Buffer);
+  LLVMContext Context;
+  Expected<std::unique_ptr<Binary>> BinOrErr = createBinary(Buffer, &Context);
   if (errorToErrorCode(BinOrErr.takeError())) {
-    return createStringError(errc::not_supported,
-                             "Binary object format in '%s' is not supported.",
-                             Filename.str().c_str());
+    // Assume it is textual representation (IR or C/C++ source code).
----------------
jalopezg-git wrote:

```suggestion
    // Assume it is LLVM IR textual representation.
```

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