[PATCH] D75120: [ValueLattice] Add new state for undef constants. (WIP)

[Florian Hahn via Phabricator via llvm-commits]

fhahn updated this revision to Diff 249074.
fhahn added a comment.

Rebased with additional tests, fix formatting.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D75120/new/

https://reviews.llvm.org/D75120

Files:
  llvm/include/llvm/Analysis/ValueLattice.h
  llvm/lib/Analysis/LazyValueInfo.cpp
  llvm/lib/Analysis/ValueLattice.cpp
  llvm/lib/Transforms/Scalar/SCCP.cpp
  llvm/test/Transforms/CorrelatedValuePropagation/merge-range-and-undef.ll
  llvm/test/Transforms/SCCP/float-phis.ll
  llvm/test/Transforms/SCCP/int-phis.ll
  llvm/test/Transforms/SCCP/range-and.ll

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