[llvm] LoopInfo: introduce Loop::getLocStr; unify debug output (PR #93051)

[Simon Pilgrim via llvm-commits]

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@@ -24,7 +24,7 @@ loop.end:
   ret void
 }
 
-; CHECK-LABEL: LAA: Found a loop in regression_test_loop_access_scalable_typesize
+; CHECK-LABEL: 'regression_test_loop_access_scalable_typesize'
 ; CHECK: LAA: Bad stride - Scalable object:
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RKSimon wrote:

Should we be checking any extra lines after the label now?

https://github.com/llvm/llvm-project/pull/93051