[all-commits] [llvm/llvm-project] 305cf6: [Polly] Check for ISL errors after schedule optimi...

[Michael Kruse via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 305cf623d7ab6fc6340930c1c21fe9f7d39d0e8f
      https://github.com/llvm/llvm-project/commit/305cf623d7ab6fc6340930c1c21fe9f7d39d0e8f
  Author: Michael Kruse <llvm-project at meinersbur.de>
  Date:   2025-11-05 (Wed, 05 Nov 2025)

  Changed paths:
    M polly/lib/Transform/ScheduleOptimizer.cpp

  Log Message:
  -----------
  [Polly] Check for ISL errors after schedule optimization (#166551)

When ISL encounters an internal error, it sets the error flag, but it is
not isl_error_quota that was already checked. Check for general errors
and abort the schedule optimization if that happens, instead of
continuing on the good path.

The error occured when compiling llvm-test-suite's
MultiSource/Applications/JM/lencod/leaky_bucket.c with Polly enabled.
Not adding a test case because it depends on ISL internals. We do not
want to a test case to depend on which version of ISL is used.



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