[PATCH] D67176: [SCEV] Generalize SCEVParameterRewriter to accept SCEV expression as target.

[Florian Hahn via Phabricator via llvm-commits]

fhahn created this revision.
fhahn added reviewers: sanjoy.google, efriedma, reames.
Herald added subscribers: javed.absar, hiraditya.
Herald added a project: LLVM.

This patch extends SCEVParameterRewriter to support rewriting unknown
epxressions to arbitrary SCEV expressions. It will be used by further
patches.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D67176

Files:
  llvm/include/llvm/Analysis/ScalarEvolutionExpressions.h
  llvm/lib/Analysis/ScalarEvolution.cpp
  llvm/unittests/Analysis/ScalarEvolutionTest.cpp

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