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4 Commits

Author SHA1 Message Date
Nadav Rotem d54fed2786 Loop Vectorizer: Update the cost model of scatter/gather operations and make 
them more expensive.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170995 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-23 07:23:55 +00:00
Nadav Rotem b042868c01 Cost Model: add tables for some avx type-conversion hacks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167480 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-06 19:33:53 +00:00
Nadav Rotem a5a3a61c5f Refactor the VectorTargetTransformInfo interface. 
Add getCostXXX calls for different families of opcodes, such as casts, arithmetic, cmp, etc.

Port the LoopVectorizer to the new API.

The LoopVectorizer now finds instructions which will remain uniform after vectorization. It uses this information when calculating the cost of these instructions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166836 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-26 23:49:28 +00:00
Nadav Rotem f563801144 Move the target-specific tests, which require specific backends, to dirs that only run if the target is present. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166796 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-26 18:52:01 +00:00