[all-commits] [llvm/llvm-project] 26609f: [SimpleLoopUnswitch] Fix bug in partially invarian...

[Ehsan Amiri via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 26609f5b95679e02d2373a7c97ff811872a4b505
      https://github.com/llvm/llvm-project/commit/26609f5b95679e02d2373a7c97ff811872a4b505
  Author: Ehsan Amiri <ehsan.amiri at huawei.com>
  Date:   2026-09-10 (Thu, 10 Sep 2026)

  Changed paths:
    M llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp
    A llvm/test/Transforms/SimpleLoopUnswitch/pr219510.ll

  Log Message:
  -----------
  [SimpleLoopUnswitch] Fix bug in partially invariant unswitching (#222118)

Partial invariant unswitching can potentially hoist a load from header
to the preheader of the loop. If a potentially no-return function call
exists in the loop header before the load instruction, the
transformation is still performed, but this is not correct.



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