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* [PowerPC] Fix PPCLoopPreIncPrep for depth > 1 loopsHal Finkel2015-04-111-0/+52
This pass had the same problem as the data-prefetching pass: it was only checking for depth == 1 loops in practice. Fix that, add some debugging statements, and make sure that, when we grab an AddRec, it is for the loop we expect. llvm-svn: 234670
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