[llvm] Add option to dump IR to files instead of stderr (PR #66412)

[Arthur Eubanks via llvm-commits]

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@@ -55,11 +65,15 @@ class PrintIRInstrumentation {
   bool shouldPrintPassNumbers();
   bool shouldPrintAtPassNumber();
 
-  using PrintModuleDesc = std::tuple<const Module *, std::string, StringRef>;
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aeubanks wrote:

moving this seems unnecessary

https://github.com/llvm/llvm-project/pull/66412