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3 Commits

Author SHA1 Message Date
NAKAMURA Takumi
b4e591a4a6 Add llvm/test/Transforms/SLPVectorizer/ARM/lit.local.cfg. Tests there require ARM in targets. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193580 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-10-29 02:46:00 +00:00
Arnold Schwaighofer
c04d241d13 ARM cost model: Unaligned vectorized double stores are expensive 
Updated a test case that assumed that <2 x double> would vectorize to use
<4 x float>.

radar://15338229

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193574 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-10-29 01:33:57 +00:00
Arnold Schwaighofer
7e8cebf22d ARM cost model: Account for zero cost scalar SROA instructions 
By vectorizing a series of srl, or, ... instructions we have obfuscated the
intention so much that the backend does not know how to fold this code away.

radar://15336950

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193573 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-10-29 01:33:53 +00:00