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Author SHA1 Message Date
Quentin Colombet f8e3030794 [ARM] Mark VMOV with immediate: isAsCheapAsMove. 
VMOVs are not strictly speaking cheap, but they are as expensive as a vector
copy (VORR), so we should prefer rematerialization over splitting when it
applies.

rdar://problem/23754176

llvm-svn: 257545
 2016-01-13 00:02:40 +00:00
Tim Northover 1351030801 ARM: add cyclone CPU with ZeroCycleZeroing feature. 
The Cyclone CPU is similar to swift for most LLVM purposes, but does have two
preferred instructions for zeroing a VFP register. This teaches LLVM about
them.

llvm-svn: 205309
 2014-04-01 13:22:02 +00:00