[all-commits] [llvm/llvm-project] 04b52b: [CIR] Fix assertion with pointer offset in ternary...

[Erich Keane via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 04b52bf1dc212b3af60d3d071defa4e034ece382
      https://github.com/llvm/llvm-project/commit/04b52bf1dc212b3af60d3d071defa4e034ece382
  Author: Erich Keane <ekeane at nvidia.com>
  Date:   2026-09-21 (Mon, 21 Sep 2026)

  Changed paths:
    M clang/lib/CIR/Lowering/DirectToLLVM/LowerToLLVM.cpp
    M clang/test/CIR/CodeGen/ternary.cpp
    M clang/test/CIR/Lowering/ternary.cir

  Log Message:
  -----------
  [CIR] Fix assertion with pointer offset in ternary (#224724)

Ternary lowers into some blocks, so the values that come into it end up
being block arguments, so there is no defining op for them. As a result,
the 'optimization' of the zero/subtract isn't really possible. THis
patch uses a dyn_cast_if_present instead of a dyn_cast to make sure we
don't hit that.



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