[all-commits] [llvm/llvm-project] bf2268: [OMPIRBuilder] CANCEL IF(FALSE) is still a cancell...

[Tom Eccles via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: bf22687c4842fe4f78cee34ec4e5e2d3e6e1fb59
      https://github.com/llvm/llvm-project/commit/bf22687c4842fe4f78cee34ec4e5e2d3e6e1fb59
  Author: Tom Eccles <tom.eccles at arm.com>
  Date:   2025-12-01 (Mon, 01 Dec 2025)

  Changed paths:
    M clang/test/OpenMP/cancel_codegen.cpp
    M llvm/lib/Frontend/OpenMP/OMPIRBuilder.cpp
    M llvm/unittests/Frontend/OpenMPIRBuilderTest.cpp
    M mlir/test/Target/LLVMIR/openmp-cancel.mlir

  Log Message:
  -----------
  [OMPIRBuilder] CANCEL IF(FALSE) is still a cancellation point (#170095)

>From OpenMP 4.0:

> When an if clause is present on a cancel construct and the if
expression
> evaluates to false, the cancel construct does not activate
cancellation.
> The cancellation point associated with the cancel construct is always
> encountered regardless of the value of the if expression.

This wording is retained unmodified in OpenMP 6.0.

This re-opens the already approved PR #164587, which was closed by
accident. The only changes are a rebase.



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