[all-commits] [llvm/llvm-project] 7b744a: [MLIR][MLProgram] Fix crash in mlprogram-pipeline-...

[Mehdi Amini via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7b744a511e989df39f0a49f80528b0580348b863
      https://github.com/llvm/llvm-project/commit/7b744a511e989df39f0a49f80528b0580348b863
  Author: Mehdi Amini <joker.eph at gmail.com>
  Date:   2026-04-14 (Tue, 14 Apr 2026)

  Changed paths:
    M mlir/lib/Dialect/MLProgram/Transforms/PipelineGlobalOps.cpp
    M mlir/test/Dialect/MLProgram/pipeline-globals.mlir

  Log Message:
  -----------
  [MLIR][MLProgram] Fix crash in mlprogram-pipeline-globals on unresolvable callees (#189244)

The `MLProgramPipelineGlobals` pass crashed with a null pointer dereference
when a `CallOpInterface` operation referred to a callee symbol that could not
be resolved in the IR (e.g. an external function defined outside the module).

Instead  conservatively bail out when a callee symbol cannot be resolved, 
causing the pass to (preserving all loads/stores). This is consistent with
how Value-based callees are handled.

Fixes #109649

Assisted-by: Claude Code



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