[PATCH] D93049: [CostModel]Migrate getTreeCost() to use InstructionCost

[Caroline via Phabricator via llvm-commits]

CarolineConcatto created this revision.
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This patch changes the type of cost variables (for instance: Cost, ExtractCost,
SpillCost) to use InstructionCost.
This patch also changes the type of cost variables to InstructionCost in other
functions that use the result of getTreeCost()
This patch is part of a series of patches to use InstructionCost instead of
unsigned/int for the cost model functions.

See this thread for context:
http://lists.llvm.org/pipermail/llvm-dev/2020-November/146408.html

Depends on D91174 <https://reviews.llvm.org/D91174>


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D93049

Files:
  llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp

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