[PATCH] D49024: [Polly] [WIP] Introduce ShapeInfo into polly for sizes and strides.

[SAHIL GIRISH YERAWAR via Phabricator via llvm-commits]

cs15btech11044 created this revision.
cs15btech11044 added reviewers: bollu, Meinersbur, philip.pfaffe, grosser.
Herald added subscribers: llvm-commits, kbarton, nemanjai.

- Create a representation in Polly to disambiguate size based and stride based representations of arrays.

- I have never taught Codegen about strided arrays, so that is something we would need to do as well.

- There is code in `IslExprBuilder` which is responsible for actually lowering the multidimensional index expression. This needs to be backported. This will be the next commit.

- All regression tests pass successfully


Repository:
  rPLO Polly

https://reviews.llvm.org/D49024

Files:
  include/polly/ScopBuilder.h
  include/polly/ScopInfo.h
  include/polly/Support/ScopHelper.h
  lib/Analysis/ScopBuilder.cpp
  lib/Analysis/ScopDetection.cpp
  lib/Analysis/ScopInfo.cpp
  lib/CodeGen/PPCGCodeGeneration.cpp
  lib/Support/ScopHelper.cpp
  lib/Transform/ForwardOpTree.cpp

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