[all-commits] [llvm/llvm-project] d6c6bd: [flang] Implement !DIR$ UNROLL_AND_JAM [N] (#125046)

[Jean-Didier PAILLEUX via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d6c6bde9dbcf332b5092ebcee8c7fe6fbb5aa2ae
      https://github.com/llvm/llvm-project/commit/d6c6bde9dbcf332b5092ebcee8c7fe6fbb5aa2ae
  Author: Jean-Didier PAILLEUX <jean-didier.pailleux at sipearl.com>
  Date:   2025-02-19 (Wed, 19 Feb 2025)

  Changed paths:
    M flang/docs/Directives.md
    M flang/include/flang/Parser/dump-parse-tree.h
    M flang/include/flang/Parser/parse-tree.h
    M flang/lib/Lower/Bridge.cpp
    M flang/lib/Parser/Fortran-parsers.cpp
    M flang/lib/Parser/unparse.cpp
    M flang/lib/Semantics/canonicalize-directives.cpp
    M flang/lib/Semantics/resolve-names.cpp
    A flang/test/Integration/unroll_and_jam.f90
    A flang/test/Lower/unroll_and_jam.f90
    M flang/test/Parser/compiler-directives.f90

  Log Message:
  -----------
  [flang] Implement !DIR$ UNROLL_AND_JAM [N] (#125046)

This patch implements support for the UNROLL_AND_JAM directive to enable
or disable unrolling and jamming on a `DO LOOP`.
It must be placed immediately before a `DO LOOP` and applies only to the
loop that follows. N is an integer that specifying the unrolling factor.
This is done by adding an attribute to the branch into the loop in LLVM
to indicate that the loop should unrolled and jammed.



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