[all-commits] [llvm/llvm-project] 580121: [ConstraintElim] Check loop pred & invariance befo...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5801213a1baaa750dd2c0152ca0e5288d447d908
      https://github.com/llvm/llvm-project/commit/5801213a1baaa750dd2c0152ca0e5288d447d908
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2026-07-13 (Mon, 13 Jul 2026)

  Changed paths:
    M llvm/lib/Transforms/Scalar/ConstraintElimination.cpp

  Log Message:
  -----------
  [ConstraintElim] Check loop pred & invariance before SCEV query (NFC) (#209314)

Move cheap checks (check for loop predecessor and invariance) before
more expensive SCEV queries.

This slightly reduces the number we need to unnecessarily construct SCEV
expressions.



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