[llvm-dev] CodeExtractor buggy?

[serge guelton via llvm-dev]

On Tue, Nov 28, 2017 at 08:26:18PM -0500, Pei Wang via llvm-dev wrote:
> Now, because the loop is coalesced into a function, the definition of %.ph (derived from %17 in the previous version of IR) in .loopexit becomes funny: two different incoming values for the same incoming block. I was wondering if this is a bug of CodeExtractor or the extractor makes assumptions about the code to be extracted which I’m not aware of. 

>From my experience, the CodeExtractor is buggy in various corner cases :-/