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Author SHA1 Message Date
Lang Hames b85fcd07df Lower mem-ops to unaligned i32/i16 load/stores on ARM where supported. 
Add support for trimming constants to GetDemandedBits. This fixes some funky
constant generation that occurs when stores are expanded for targets that don't
support unaligned stores natively.

llvm-svn: 144102
 2011-11-08 18:56:23 +00:00
Lang Hames c47e283430 Make sure short memsets on ARM lower to stores, even when optimizing for size. 
llvm-svn: 143055
 2011-10-26 20:56:52 +00:00