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Author SHA1 Message Date
Dmitri Gribenko c451bdf9ff Remove unused variables, silences -Wunused-variable 
llvm-svn: 173526
 2013-01-25 23:17:21 +00:00
Hal Finkel 4e5ca9e578 Initial implementation of PPCTargetTransformInfo 
This provides a place to add customized operation cost information and
control some other target-specific IR-level transformations.

The only non-trivial logic in this checkin assigns a higher cost to
unaligned loads and stores (covered by the included test case).

llvm-svn: 173520
 2013-01-25 23:05:59 +00:00