On 11/27/13 04:28, Richard Biener wrote:

Ick ;)  Loop fixup isn't able to recover the original loop here, it
discovers a "new" one, the one just covering looping through the
default: case of the switch.
I wouldn't expect it to. I don't have the transformed CFG in front of me right now, but as you probably saw, it's scrambled pretty badly.

Sadly, we found out yesterday that the submitter of that BZ reduced coremark too far and the transformation doesn't actually apply to coremark. We're not going to try and extend things at this point in the game -- that'll have to be 4.10/5.0 material.

jeff

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