[llvm-commits] [patch] Refactoring of the llvm mangler

[Rafael Avila de Espindola]

My first idea for fixing PR9177 involved having clang know all about 
assembly names. Anton pointed me at how llvm-gcc does it and I think a 
similar hack might be sufficient.

In any case, I wrote a refactoring patch for the llvm mangler that might 
be a good thing even if it is not needed for PR9177.

The patch changes the mangler to use streams and explicitly separates 
the add prefix, mangle the name proper and add suffix steps. This makes 
it easier to identify (and maybe drop) some of its strange features.

It also fixes the "FIXME: This logic seems unlikely to be right." :-)

Cheers,
Rafael

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