[PATCH] D50823: [VPlan] Introduce VPCmpInst sub-class in the instruction-level representation

[Diego Caballero via Phabricator via llvm-commits]

dcaballe created this revision.
dcaballe added reviewers: Ayal, fhahn, rengolin, hsaito.
Herald added subscribers: llvm-commits, rogfer01, rkruppe, tschuett, bollu.

This patch introduces VPCmpInst, a sub-class of VPInstruction used to model details of comparison instructions in VPlan, such as the comparison's predicate. At this point, we don't see the need of distinguishing between integer and floating point comparison at VPlan representation level.

VPCmpInst is needed in https://reviews.llvm.org/D50480 to properly model a new compare VPInstruction (i.e., a compare that is not part of the input IR) generated during the vectorization process.


Repository:
  rL LLVM

https://reviews.llvm.org/D50823

Files:
  lib/Transforms/Vectorize/LoopVectorizationPlanner.h
  lib/Transforms/Vectorize/VPlan.h
  lib/Transforms/Vectorize/VPlanHCFGBuilder.cpp
  unittests/Transforms/Vectorize/VPlanHCFGTest.cpp

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