[PATCH] D113516: [IndVarSimplify] Prefer unsigned indvars in visitIVCast.

[Sander de Smalen via Phabricator via llvm-commits]

sdesmalen created this revision.
sdesmalen added reviewers: mkazantsev, reames, nikic.
Herald added a subscriber: hiraditya.
sdesmalen requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

This patch demonstrates that prefering an unsigned indvar causes
the test case from D112573 <https://reviews.llvm.org/D112573> to regress (deterministic-sign.ll).


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D113516

Files:
  llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
  llvm/test/Transforms/IndVarSimplify/X86/iv-widen.ll
  llvm/test/Transforms/IndVarSimplify/deterministic-sign.ll

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