[mlir] (NFC) run clang-format on all files

[mlir] Refactor DialectRegistry delayed interface support into a general DialectExtension mechanism

The current dialect registry allows for attaching delayed interfaces, that are added to attrs/dial

[mlir] Refactor DialectRegistry delayed interface support into a general DialectExtension mechanism

The current dialect registry allows for attaching delayed interfaces, that are added to attrs/dialects/ops/etc.
when the owning dialect gets loaded. This is clunky for quite a few reasons, e.g. each interface type has a
separate tracking structure, and is also quite limiting. This commit refactors this delayed mutation of
dialect constructs into a more general DialectExtension mechanism. This mechanism is essentially a registration
callback that is invoked when a set of dialects have been loaded. This allows for attaching interfaces directly
on the loaded constructs, and also allows for loading new dependent dialects. The latter of which is
extremely useful as it will now enable dependent dialects to only apply in the contexts in which they
are necessary. For example, a dialect dependency can now be conditional on if a user actually needs the
interface that relies on it.

Differential Revision: https://reviews.llvm.org/D120367

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Reapply "[OpenMP][NFCI] Embed the source location string size in the ident_t"

This reverts commit 73ece231ee0cf048d56841f47915beb1db6afc26 and
reapplies 7bfcdbcbf368cea14a5236080af975d5878a46eb with

Reapply "[OpenMP][NFCI] Embed the source location string size in the ident_t"

This reverts commit 73ece231ee0cf048d56841f47915beb1db6afc26 and
reapplies 7bfcdbcbf368cea14a5236080af975d5878a46eb with mlir changes.
Also reverts commit 423ba12971bac8397c87fcf975ba6a4b7530ed28 and
includes the unit test changes of
16da2140045808b2aea1d28366ca7d326eb3c809.

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Fix clang-tidy issues in mlir/ (NFC)

Reviewed By: ftynse

Differential Revision: https://reviews.llvm.org/D115956

Adjust "end namespace" comment in MLIR to match new agree'd coding style

See D115115 and this mailing list discussion:
https://lists.llvm.org/pipermail/llvm-dev/2021-December/154199.html

Differenti

Adjust "end namespace" comment in MLIR to match new agree'd coding style

See D115115 and this mailing list discussion:
https://lists.llvm.org/pipermail/llvm-dev/2021-December/154199.html

Differential Revision: https://reviews.llvm.org/D115309

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[mlir][openacc] Make use of the second counter extension in DataOp translation

Make use of runtime extension for the second reference counter used in
structured data region. This extension is implem

[mlir][openacc] Make use of the second counter extension in DataOp translation

Make use of runtime extension for the second reference counter used in
structured data region. This extension is implemented in D106510 and D106509.

Differential Revision: https://reviews.llvm.org/D106517

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[mlir][openacc] Initial translation for DataOp to LLVM IR

Add basic translation of acc.data to LLVM IR with runtime calls.

Reviewed By: jdoerfert

Differential Revision: https://reviews.llvm.org/D1

[mlir][openacc] Initial translation for DataOp to LLVM IR

Add basic translation of acc.data to LLVM IR with runtime calls.

Reviewed By: jdoerfert

Differential Revision: https://reviews.llvm.org/D104301

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[mlir][openacc][NFC] move index in processDataOperands

Move the index variable used to track variables inside of the specific
processDataOperands functions.

Reviewed By: kiranchandramohan

Differen

[mlir][openacc][NFC] move index in processDataOperands

Move the index variable used to track variables inside of the specific
processDataOperands functions.

Reviewed By: kiranchandramohan

Differential Revision: https://reviews.llvm.org/D103924

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[mlir][openacc] Translate UpdateOp to LLVM IR

Add translation to LLVM IR for the UpdateOp with host and device operands.
Translation is done with call using the runtime. This is done in a similar wa

[mlir][openacc] Translate UpdateOp to LLVM IR

Add translation to LLVM IR for the UpdateOp with host and device operands.
Translation is done with call using the runtime. This is done in a similar way as
D101504 and D102381.

Reviewed By: ftynse

Differential Revision: https://reviews.llvm.org/D102382

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[mlir][openacc] Translate ExitDataop to LLVM IR

Translate ExitDataOp with delete and copyout operands to runtime call.
This is done in a similar way as D101504.

Reviewed By: kiranchandramohan

Diff

[mlir][openacc] Translate ExitDataop to LLVM IR

Translate ExitDataOp with delete and copyout operands to runtime call.
This is done in a similar way as D101504.

Reviewed By: kiranchandramohan

Differential Revision: https://reviews.llvm.org/D102381

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[mlir][openacc] Add OpenACC translation to LLVM IR (enter_data op create/copyin)

This patch begins to translate acc.enter_data operation to call to tgt runtime call.
It currently only translate crea

[mlir][openacc] Add OpenACC translation to LLVM IR (enter_data op create/copyin)

This patch begins to translate acc.enter_data operation to call to tgt runtime call.
It currently only translate create/copyin operands of memref type. This acts as a basis to add support
for FIR types in the Flang/OpenACC support. It follows more or less a similar path than clang
with `omp target enter data map` directives.
This patch is taking a different approach than D100678 and perform a translation to LLVM IR
and make use of the OpenMPIRBuilder instead of doing a conversion to the LLVMIR dialect.

OpenACC support in Flang will rely on the current OpenMP runtime where 1:1 lowering can be
applied. Some extension will be added where features are not available yet.

Big part of this code will be shared for other standalone data operations in the OpenACC
dialect such as acc.exit_data and acc.update.

It is likely that parts of the lowering can also be shared later with the ops for
standalone data directives in the OpenMP dialect when they are introduced.

This is an initial translation and it probably needs more work.

Reviewed By: ftynse

Differential Revision: https://reviews.llvm.org/D101504

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