[PPCLoopDataPrefetch] Move pass to Transforms/Scalar/LoopDataPrefetch. NFC

Description

[PPCLoopDataPrefetch] Move pass to Transforms/Scalar/LoopDataPrefetch. NFC

This patch is part of the work to make PPCLoopDataPrefetch
target-independent
(http://thread.gmane.org/gmane.comp.compilers.llvm.devel/92758).

Obviously the pass still only used from PPC at this point. Subsequent
patches will start driving this from ARM64 as well.

Due to the previous patch most lines should show up as moved lines.

Details

Committed
anemetFeb 18 2016, 1:38 PM
Parents
rL261264: [PPCLoopDataPrefetch] Remove PPC from some of the names. NFC
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