[PATCH] D46826: [VPlan] Add VPlan based sinkInstructions utility.

[Florian Hahn via Phabricator via llvm-commits]

fhahn created this revision.
fhahn added reviewers: hsaito, dcaballe, rengolin.
Herald added subscribers: tschuett, bollu, mgorny.

This patch introduces a sinkInstructions utility that sinks instructions
in a VPlan based on an Instruction -> Instruction mapping, as returned
by LoopVectorizationLegality::getSinkAfter. It also adds a
LoopvectorizationPlanner.cpp, for functions that do not rely on stuff
defined in LoopVectorize.cpp, to move to a more modular structure.

Once we migrated getSinkAfter to operate on a VPlan, we should change
this to not rely on the underlying values. I am not sure if it would
make sense to include it in the VPlan creation through the builder?


https://reviews.llvm.org/D46826

Files:
  lib/Transforms/Vectorize/CMakeLists.txt
  lib/Transforms/Vectorize/LoopVectorizationPlanner.cpp
  lib/Transforms/Vectorize/LoopVectorizationPlanner.h
  lib/Transforms/Vectorize/VPlanValue.h
  unittests/Transforms/Vectorize/VPlanTest.cpp

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