[llvm] [TailDuplicator] Only duplicate the blocks containing computed gotos (PR #114990)

[Florian Hahn via llvm-commits]

fhahn wrote:

Just getting back to this, sorry! Is this the latest version of the patch that should fix the regressions? 

I tried the patch when building Python on macOS and it improves performance by ~0.5% while with https://github.com/llvm/llvm-project/pull/116072 increases performance by 2-3%

https://github.com/llvm/llvm-project/pull/114990