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[TTI, AArch64] Allow the cost model analysis to test vector reduce intrinsics

Description

[TTI, AArch64] Allow the cost model analysis to test vector reduce intrinsics

This patch considers the experimental vector reduce intrinsics in the default
implementation of getIntrinsicInstrCost. The cost of these intrinsics is
computed with getArithmeticReductionCost and getMinMaxReductionCost. This patch
also adds a test case for AArch64 that indicates the costs we currently compute
for vector reduce intrinsics. These costs are inaccurate and will be updated in
a follow-on patch.

Differential Revision: https://reviews.llvm.org/D44489

Details

Committed
mssimpsoMar 16 2018, 3:00 AM
Differential Revision
D44489: [TTI, AArch64] Allow the cost model analysis to test vector reduce intrinsics
Parents
rL327697: FreeBSD TSan support update
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