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loopunrollpass
2015 Feb 04
2
[LLVMdev] Is this a bug with loop unrolling and TargetTransformInfo ?
Hi,
I ran into this issue recently and wanted to know if it was a bug or expected behavior.
In the R600 backend's TargetTransformInfo implementation, we were setting
UnrollingPreferences::Count = UINT_MAX. This was a mistake as we should have been
setting UnrollingPreferences::MaxCount instead. However, as a result of setting
Count to UINT_MAX, this loop would be unrolled 15 times:
if (b