[llvm] [RemoveDIs] Print non-intrinsic debug info in textual IR output (PR #79281)

[Jeremy Morse via llvm-commits]

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@@ -78,6 +78,18 @@ std::string doSystemDiff(StringRef Before, StringRef After,
                          StringRef OldLineFormat, StringRef NewLineFormat,
                          StringRef UnchangedLineFormat);
 
+template <typename T> class ScopedDbgInfoFormatSetter {
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jmorse wrote:

This wants a docu-comment indicating what it's doing -- no need to be detailed as it's unlikely to be a long term facility.

https://github.com/llvm/llvm-project/pull/79281