[all-commits] [llvm/llvm-project] cff8d7: [SCEV] forgetValue: support (with-overflow-inst op...

[v01dXYZ via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: cff8d716bdf017a2af8eb8623257fd33ee43f30e
      https://github.com/llvm/llvm-project/commit/cff8d716bdf017a2af8eb8623257fd33ee43f30e
  Author: v01dXYZ <14996868+v01dXYZ at users.noreply.github.com>
  Date:   2024-07-09 (Tue, 09 Jul 2024)

  Changed paths:
    M llvm/lib/Analysis/ScalarEvolution.cpp
    A llvm/test/Transforms/LoopUnroll/peel-loop-scev-invalidate-with-overflow-inst.ll
    M llvm/unittests/Analysis/ScalarEvolutionTest.cpp

  Log Message:
  -----------
  [SCEV] forgetValue: support (with-overflow-inst op0, op1) (#98015)

The use-def walk in forgetValue() was skipping instructions with
non-SCEVable types. However, SCEV may look past with.overflow
intrinsics returning aggregates.

Fixes #97586.



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