[PATCH] D48453: [SCEV] Re-apply r335197 (with Polly fixes).

[Tim Shen via Phabricator via llvm-commits]

timshen created this revision.
timshen added a reviewer: jdoerfert.
Herald added subscribers: bixia, hiraditya, jlebar.
Herald added a reviewer: bollu.

This initiates a discussion on changing Polly accordingly while re-applying r335197 (https://reviews.llvm.org/D48338).

I have never worked on Polly. The proposed change to param_div_div_div_2.ll is not educated, but just patterns that match the output.

All LLVM files are already reviewed in https://reviews.llvm.org/D48338.


https://reviews.llvm.org/D48453

Files:
  llvm/include/llvm/Analysis/ScalarEvolution.h
  llvm/lib/Analysis/ScalarEvolution.cpp
  llvm/test/Analysis/ScalarEvolution/zext-divrem.ll
  polly/test/Isl/CodeGen/param_div_div_div_2.ll

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