[all-commits] [llvm/llvm-project] 56954a: [MLIR][LoopPipelining] Improve schedule verifier, ...

[pawelszczerbuk via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 56954a53e58282d7584e31ec14a2b1052cd861e8
      https://github.com/llvm/llvm-project/commit/56954a53e58282d7584e31ec14a2b1052cd861e8
  Author: pawelszczerbuk <153013546+pawelszczerbuk at users.noreply.github.com>
  Date:   2024-04-11 (Thu, 11 Apr 2024)

  Changed paths:
    M mlir/lib/Dialect/SCF/Transforms/LoopPipelining.cpp
    M mlir/test/Dialect/SCF/loop-pipelining.mlir

  Log Message:
  -----------
  [MLIR][LoopPipelining] Improve schedule verifier, so it checks also operands of nested operations (#88450)

`verifySchedule` was not looking at the operands of nested operations,
which caused incorrect schedule to be allowed in some cases, potentially
leading to crash during expansion.
There is also minor fix in `cloneAndUpdateOperands` in the pipeline
expander that prevents double visit of the cloned op. This one has no
functional impact, so no test for it.



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