[PATCH] D84792: [InstSimplify/NewGVN] Add option to control the use of undef.

Florian Hahn via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri Aug 7 09:01:34 PDT 2020


fhahn updated this revision to Diff 283920.
fhahn added a comment.

Adjust wording of option to mention that simplifications are not allowed to constrain the range of value for uses of undef. Example is that simplifications cannot assume a certain value for a use of undef.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D84792/new/

https://reviews.llvm.org/D84792

Files:
  llvm/include/llvm/Analysis/InstructionSimplify.h
  llvm/lib/Analysis/InstructionSimplify.cpp
  llvm/lib/Transforms/Scalar/NewGVN.cpp
  llvm/test/Transforms/NewGVN/pr33165-distribute-undef.ll
  llvm/test/Transforms/NewGVN/todo-pr33165-distribute-undef.ll

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