[all-commits] [llvm/llvm-project] d9fa0d: [StructurizeCFG] bug fix in zero cost hoist (#157969)

[Vigneshwar Jayakumar via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d9fa0de5c861ebedf6573b5cd259e328e70bfc29
      https://github.com/llvm/llvm-project/commit/d9fa0de5c861ebedf6573b5cd259e328e70bfc29
  Author: Vigneshwar Jayakumar <vigneshwar.jayakumar at amd.com>
  Date:   2025-09-15 (Mon, 15 Sep 2025)

  Changed paths:
    M llvm/lib/Transforms/Scalar/StructurizeCFG.cpp
    M llvm/test/Transforms/StructurizeCFG/hoist-zerocost.ll

  Log Message:
  -----------
  [StructurizeCFG] bug fix in zero cost hoist (#157969)

This fixes a bug where zero cost instruction was hoisted to nearest
common dominator but the hoisted instruction's operands didn't dominate
the common dominator causing poison values.



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