[llvm] [LoopInfo][NewPM] Print function name in LoopPrinterPass (PR #76527)

[Arthur Eubanks via llvm-commits]

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@@ -969,6 +969,8 @@ LoopInfo LoopAnalysis::run(Function &F, FunctionAnalysisManager &AM) {
 
 PreservedAnalyses LoopPrinterPass::run(Function &F,
                                        FunctionAnalysisManager &AM) {
+  OS << "Printing analysis 'Natural Loop Information' for function '"
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aeubanks wrote:

this is awkward wording, how about just `Loop info for function 'foo'`

https://github.com/llvm/llvm-project/pull/76527