[PATCH] D83179: [SCCP] Use range metadata for loads and calls

[Nikita Popov via Phabricator via llvm-commits]

nikic created this revision.
nikic added reviewers: fhahn, efriedma.
Herald added subscribers: llvm-commits, hiraditya.
Herald added a project: LLVM.

When all else fails, use range metadata to constrain the result of loads and calls. It should also be possible to use `!nonnull`, but that would require some general support for inequalities in SCCP first.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D83179

Files:
  llvm/lib/Transforms/Scalar/SCCP.cpp
  llvm/test/Transforms/SCCP/metadata.ll

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