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[CostModel][X86] Updated vXi8 and vXi16 Reverse/Alternate shuffle costs
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Wed, 4 Jan 2017 14:01:33 +0000 (14:01 +0000)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Wed, 4 Jan 2017 14:01:33 +0000 (14:01 +0000)
commit19aab9f9fa377c76a09046bf6e47288b0a5d7319
tree64ddc48d8519993251a4751086e2cff3ef8e3ca6tree | snapshot
parent3fddb5c1148c1d736f344a7c193bca136d686cd4commit | diff
[CostModel][X86] Updated vXi8 and vXi16 Reverse/Alternate shuffle costs

Actual codegen is much better than the extract+insert patterns that was assumed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@290962 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86TargetTransformInfo.cpp diff | blob | history
test/Analysis/CostModel/X86/alternate-shuffle-cost.ll diff | blob | history
external/llvm
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