[llvm-dev] Printing the dynamic type of a variable

[Russell Wallace via llvm-dev]

Is there any way to print the dynamic type of a variable using the custom
RTTI?

That is, suppose you have Value *x, where at runtime x could be pointing to
a constant or an instruction or function or whatever, is there a way to
print what kind of thing it's actually pointing to (without doing a full
'print this whole thing' that might produce a large volume of output e.g.
if it's a function)? Basically just to get some small piece of output to
indicate what you're looking at?
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