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Similar to what is done for OpenMP `private` clauses, prefer the value
yielded from the init region to the allocated private variable in case
the region is operating on arguments by-value (e.g. Fortran character
boxes).
This changes provides the same results as
https://github.com/llvm/llvm-project/pull/154303 in both the LLVM and
Fujitsu test suites (so no regressions).
```
Testing Time: 7216.26s
Passed : 88522
Failed : 160
Executable Missing: 408
```
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See https://github.com/llvm/llvm-project/pull/147168 for more info.
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ArrayRef(std::nullopt_t) has been deprecated. This patch replaces
std::nullopt with mlir::TypeRange{} or mlir::ValueRange{} as
appropriate.
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OpenMP and OpenACC (#145837)
This PR proposes re-modelling `reduce` specifiers to match OpenMP and
OpenACC. In particular, this PR includes the following:
* A new `fir` op: `fir.delcare_reduction` which is identical to OpenMP's
`omp.declare_reduction` op.
* Updating the `reduce` clause on `fir.do_concurrent.loop` to use the
new op.
* Re-uses the `ReductionProcessor` component to emit reductions for `do
concurrent` just like we do for OpenMP. To do this, the
`ReductionProcessor` had to be refactored to be more generalized.
* Upates mapping `do concurrent` to `fir.loop ... unordered` nests using
the new reduction model.
Unfortunately, this is a big PR that would be difficult to divide up in
smaller parts because the bottom of the changes are the `fir` table-gen
changes to `do concurrent`. However, doing these MLIR changes cascades
to the other parts that have to be modified to not break things.
This PR goes in the same direction we went for `private/local`
speicifiers. Now the `do concurrent` and OpenMP (and OpenACC) dialects
are modelled in essentially the same way which makes mapping between
them more trivial, hopefully.
PR stack:
- https://github.com/llvm/llvm-project/pull/145837 (this one)
- https://github.com/llvm/llvm-project/pull/146025
- https://github.com/llvm/llvm-project/pull/146028
- https://github.com/llvm/llvm-project/pull/146033
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regions (#144027)
Extending `fir.do_concurrent` to `fir.do_loop ... unordered` lowering by
adding support for lowring/inlining non-empty `init` and `dealloc`
regions.
Resolves https://github.com/llvm/llvm-project/issues/143897 (actually
handles the todo).
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`fir.do_loop ... unordered` (#138512)
Extends lowering `fir.do_concurrent` to `fir.do_loop ... unordered` by
adding support for locality specifiers.
In particular, for `local` specifiers, a `fir.alloca` op is created
using the localizer type. For `local_init` specifiers, the `copy` region
is additionally inlined in the `do concurrent` loop's body.
PR stack:
- https://github.com/llvm/llvm-project/pull/137928
- https://github.com/llvm/llvm-project/pull/138505
- https://github.com/llvm/llvm-project/pull/138506
- https://github.com/llvm/llvm-project/pull/138512 (this PR)
- https://github.com/llvm/llvm-project/pull/138534
- https://github.com/llvm/llvm-project/pull/138816
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This is similar to other configuration objects used across MLIR.
Rename some fields to better reflect that they are no longer booleans.
Reland 04d261101b4f229189463136a794e3e362a793af / #132253.
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This reverts commit 63b8f1c9482ed0a964980df4aed89bef922b8078.
Buildbot failure:
https://lab.llvm.org/buildbot/#/builders/172/builds/12083/steps/5/logs/stdio
I've reproduced the error with a release build (-DCMAKE_BUILD_TYPE=Release).
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This is similar to other configuration objects used across MLIR.
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Added inlining for `rank == 1` and `innermost` cases.
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`fir.do_loop` (#132207)
Rewrites `fir.do_concurrent` ops to a corresponding nest of `fir.do_loop
... unordered` ops.
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These are helper operations to aid with expanding of fir.pack_array.
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