Files
clang-p2996/llvm/lib/Transforms/Vectorize
David Green 4272e64acd [LV] Change interface of getReductionPatternCost to return Optional
Currently the Instruction cost of getReductionPatternCost returns an
Invalid cost to specify "did not find the pattern". This changes that to
return an Optional with None specifying not found, allowing Invalid to
mean an infinite cost as is used elsewhere.

Differential Revision: https://reviews.llvm.org/D106140
2021-07-20 16:44:50 +01:00
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