[PowerPC] [Constant Hoisting] Enable constant hoisting on PPC

Description

[PowerPC] [Constant Hoisting] Enable constant hoisting on PPC

Implements the various TTI functions to enable constant hoisting on PPC. The
only significant test-suite change is this:

MultiSource/Benchmarks/VersaBench/bmm/bmm - 20% speedup
(which essentially reverses the slowdown from r206120).

Details

Committed
hfinkelApr 13 2014, 4:02 PM
Parents
rL206140: tools: remove duplication of coff_aux_file
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