[LLVMdev] SimplifyCFG vs loops
kparzysz at codeaurora.org
Wed Oct 17 10:17:10 PDT 2012
On 10/17/2012 12:03 PM, Krzysztof Parzyszek wrote:
> I'd have to dig up the old testcase I working on, but the code there was
> getting unnecessarily complicated due to the fact that SimplifyCFG was
> making changes that eventually hurt loop optimizations.
A quick search revealed that it was something in Automark in EEMBC. We
ended up not unrolling a loop that could have been unrolled (in
principle, at least).
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