Remove unneeded cl::ZeroOrMore for cl::opt/cl::list options

Remove unneeded cl::ZeroOrMore for cl::opt/cl::list options

Remove unneeded cl::ZeroOrMore for cl::opt options

Similar to 557efc9a8b68628c2c944678c6471dac30ed9e8e.
This commit handles options where cl::ZeroOrMore is more than one line below
cl::opt.

[Polly] Mark classes as final by default. NFC.

This make is obivious that a class was not intended to be derived from.

NPM analysis pass can unfortunately not marked as final because they are
deriv

[Polly] Mark classes as final by default. NFC.

This make is obivious that a class was not intended to be derived from.

NPM analysis pass can unfortunately not marked as final because they are
derived from a llvm::Checker<T> template internally by the NPM.

Also normalize the use of classes/structs
* NPM passes are structs
* Legacy passes are classes
* structs that have methods and are not a visitor pattern are classes
* structs have public inheritance by default, remove "public" keyword
* Use typedef'ed type instead of inline forward declaration

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[PPCGCodeGeneration] Look for function instead of function pointer type

What this code is actually interested in are references to functions.
Use of a function pointer type is being used as an impre

[PPCGCodeGeneration] Look for function instead of function pointer type

What this code is actually interested in are references to functions.
Use of a function pointer type is being used as an imprecise proxy
for that.

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[PPCGCodeGeneration] Avoid another pointer element type access

Use an API that returns both the address and the element type,
and use that for the load type.

[PPCGCodeGeneration] Avoid pointer element type access

Pass through the ArrayTy instead.

[polly] Remove uses of PointerType::getElementType()

This method has been removed. I missed these uses in conditionally-
compiled code previously.

[Polly][Isl] Use the function unsignedFromIslSize to manage a isl::size object. NFCI

This is part of an effort to reduce the differences between the custom C++ bindings used right now by polly in li

[Polly][Isl] Use the function unsignedFromIslSize to manage a isl::size object. NFCI

This is part of an effort to reduce the differences between the custom C++ bindings used right now by polly in lib/External/isl/include/isl/isl-noxceptions.h and the official isl C++ interface.
In the official interface the type `isl::size` cannot be casted to an unsigned without previously having checked if it contains a valid value with the function `isl::size::is_error()`.
For this reason two helping functions have been added:
- `IslAssert`: assert that no errors are present in debug builds and just disables the mandatory error check in non-debug builds
- `unisgnedFromIslSIze`: cast the `isl::size` object to `unsigned`

Changes made:
- Add the functions `IslAssert` and `unsignedFromIslSize`
- Add the utility function `rangeIslSize()`
- Retype `MaxDisjunctsInDomain` from `int` to `unsigned`
- Retype `RunTimeChecksMaxAccessDisjuncts` from `int` to `unsigned`
- Retype `MaxDimensionsInAccessRange` from `int` to `unsigned`
- Replaced some usages of `isl_size` to `unsigned` since we aim not to use `isl_size` anymore
- `isl-noexceptions.h` has been generated by https://github.com/patacca/isl/commit/e704f73c88f0b4d88e62e447bdb732cf5914094b

No functional change intended.

Reviewed By: Meinersbur

Differential Revision: https://reviews.llvm.org/D113101

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Move TargetRegistry.(h|cpp) from Support to MC

This moves the registry higher in the LLVM library dependency stack.
Every client of the target registry needs to link against MC anyway to
actually us

Move TargetRegistry.(h|cpp) from Support to MC

This moves the registry higher in the LLVM library dependency stack.
Every client of the target registry needs to link against MC anyway to
actually use the target, so we might as well move this out of Support.

This allows us to ensure that Support doesn't have includes from MC/*.

Differential Revision: https://reviews.llvm.org/D111454

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[Polly] Remove -polly-opt-fusion option.

The name of the option is misleading and has been renamed by isl to
"serialize-sccs". Instead of also renaming the option, remove it.
The option is still acc

[Polly] Remove -polly-opt-fusion option.

The name of the option is misleading and has been renamed by isl to
"serialize-sccs". Instead of also renaming the option, remove it.
The option is still accessible using

-polly-isl-arg=--no-schedule-serialize-sccs

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[Polly][Isl] Move to the new-polly-generator branch version of isl-noexceptions.h. NFCI

This is part of an effort to reduce the differences between the custom C++ bindings used right now by polly in

[Polly][Isl] Move to the new-polly-generator branch version of isl-noexceptions.h. NFCI

This is part of an effort to reduce the differences between the custom C++ bindings used right now by polly in `lib/External/isl/include/isl/isl-noxceptions.h` and the official isl C++ interface.

With this commit we are moving from the `polly-generator` branch to the `new-polly-generator` branch that is more mantainable and is based on the official C++ interface `cpp-checked.h`.

Changes made:
- There are now many sublcasses for `isl::ast_node` representing different isl types. Use `isl::ast_node_for`, `isl::ast_node_user`, `isl::ast_node_block` and `isl::ast_node_mark` where needed.
- There are now many sublcasses for `isl::schedule_node` representing different isl types. Use `isl::schedule_node_mark`, `isl::schedule_node_extension`, `isl::schedule_node_band` and `isl::schedule_node_filter` where needed.
- Replace the `isl::*::dump` with `dumpIslObj` since the isl dump method is not exposed in the C++ interface.
- `isl::schedule_node::get_child` has been renamed to `isl::schedule_node::child`
- `isl::pw_multi_aff::get_pw_aff` has been renamed to `isl::pw_multi_aff::at`
- The constructor `isl::union_map(isl::union_pw_multi_aff)` has been replaced with the static method `isl::union_map::from()`
- Replace usages of `isl::val::add_ui` with `isl::val::add`
- `isl::union_set_list::alloc` is now a constructor
- All the `isl_size` values are now wrapped inside the class `isl::size` use `isl::size::release` to get the internal `isl_size` value where needed.
- `isl-noexceptions.h` has been generated by https://github.com/patacca/isl/commit/73f5ed1f4d1f72582f731590ef9e43d9ab1956ad

No functional change intended.

Reviewed By: Meinersbur

Differential Revision: https://reviews.llvm.org/D107225

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[Polly][Isl] Stop generating isl::union_{set,map} from isl::space. NFC

This is part of an effort to reduce the differences between the custom C++ bindings used right now by polly in `lib/External/is

[Polly][Isl] Stop generating isl::union_{set,map} from isl::space. NFC

This is part of an effort to reduce the differences between the custom C++ bindings used right now by polly in `lib/External/isl/include/isl/isl-noxceptions.h` and the official isl C++ interface.

Changes made:
- Stop generating `isl::union_set` and isl::union_map` from `isl::space` and instead generate them from `isl::ctx`
- Disable clang-format on `isl-noexceptions.h`
- Removed `isl::union_{set,map}` generator from `isl::space` from `isl-noexceptions.h`
- `isl-noexceptions.h` has been generated by this https://github.com/patacca/isl/commit/87c3413b6f1d62ca3dddf716352f90a0b8533353

Reviewed By: Meinersbur

Differential Revision: https://reviews.llvm.org/D106059

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[polly] Fix uses of deprecated overload of IRBuilder::CreateGEP.

[Polly][Isl] Use isl::*::ctx instead of isl::*::get_ctx. NFC

This is part of an effort to reduce the differences between the custom C++ bindings used right now by polly in `lib/External/isl/include/

[Polly][Isl] Use isl::*::ctx instead of isl::*::get_ctx. NFC

This is part of an effort to reduce the differences between the custom C++ bindings used right now by polly in `lib/External/isl/include/isl/isl-noxceptions.h` and the official isl C++ interface.

Changes made:
- Use `isl::*::ctx()` instead of `isl::*::get_ctx()` (for example `isl::space::ctx()` instead of `isl::space::get_ctx()`)
- Add `isl::` namespace in front of isl types to avoid confusion (for example `isl::space::ctx` and `isl::ctx`
- `isl-noexceptions.h` has been generated by this https://github.com/patacca/isl/commit/b64e33c62d3fe7db506f6630f9e935b663f9c5a4

Reviewed By: Meinersbur

Differential Revision: https://reviews.llvm.org/D105691

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[Polly][Isl] Use isl::set::tuple_dim, isl::map::domain_tuple_dim and isl::map::range_tuple_dim. NFC

This is part of an effort to reduce the differences between the custom C++ bindings used right now

[Polly][Isl] Use isl::set::tuple_dim, isl::map::domain_tuple_dim and isl::map::range_tuple_dim. NFC

This is part of an effort to reduce the differences between the custom C++ bindings used right now by polly in `lib/External/isl/include/isl/isl-noxceptions.h` and the official isl C++ interface.

Changes made:
- Use `isl::set::tuple_dim` instead of `isl::set::dim` and `isl::set::n_dim`
- Use `isl::map::domain_tuple_dim` instead of `isl::map::dim`
- Use `isl::map::range_tuple_dim` instead of `isl::map::dim`
- isl-noexceptions.h has been generated by this https://github.com/patacca/isl/commit/45576e1b4260f91946e4cf819485f57bd2ed5490

Note that not all the usage of `isl::{set,map}::dim` where replaced

Reviewed By: Meinersbur

Differential Revision: https://reviews.llvm.org/D104994

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[polly][GPGPU] Fixup related to overloading exponent type in llvm.powi

Commit 4c7f820b2b206bb changed the llvm.powi intrinsic to support
different 'int' sizes for the exponent. That happened to brea

[polly][GPGPU] Fixup related to overloading exponent type in llvm.powi

Commit 4c7f820b2b206bb changed the llvm.powi intrinsic to support
different 'int' sizes for the exponent. That happened to break
the IntrinsicToLibdeviceFunc mapping in PPCGCodeGeneration, which
obviously should have been updated as part of commit 4c7f820b2b
(https://reviews.llvm.org/D99439).

The shortcoming was found by buildbots that use
-DPOLLY_ENABLE_GPGPU_CODEGEN=ON

This patch should fixup the problem.

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[Polly][Isl] Removing explicit operator bool() from isl C++ bindings. NFC.

This is part of an effort to reduce the differences between the custom C++ bindings used right now by polly in `lib/Externa

[Polly][Isl] Removing explicit operator bool() from isl C++ bindings. NFC.

This is part of an effort to reduce the differences between the custom C++ bindings used right now by polly in `lib/External/isl/include/isl/isl-noxceptions.h` and the official isl C++ interface.

Changes made:
- Removing explicit operator bool() from all the classes in the isl C++ bindings.
- Replace each call to operator bool() to method `is_null()`.
- isl-noexceptions.h has been generated by this https://github.com/patacca/isl/commit/27396daac5a5ee8228d25511a12f4a814c92ba8f

Reviewed By: Meinersbur

Differential Revision: https://reviews.llvm.org/D103976

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[Polly][Isl] Removing nullptr constructor from C++ bindings. NFC.

[Polly][Isl] Removing nullptr constructor from C++ bindings. NFC.

This is part of an effort to reduce the differences between the c

[Polly][Isl] Removing nullptr constructor from C++ bindings. NFC.

[Polly][Isl] Removing nullptr constructor from C++ bindings. NFC.

This is part of an effort to reduce the differences between the custom C++ bindings used right now by polly in `lib/External/isl/include/isl/isl-noxceptions.h` and the official isl C++ interface.

Changes made:
- Removed `std::nullptr_t` constructor from all the classes in the isl C++ bindings.
- `isl-noexceptions.h` has been generated by this https://github.com/patacca/isl/commit/a7e00bea38f251a4bcf5c2c6ce5fa7ee5f661528

Reviewed By: Meinersbur

Differential Revision: https://reviews.llvm.org/D103751

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[Polly][Ast] Partial refactoring of IslAst and IslAstInfo to use isl++. NFC.

Polly use algorithms from the Integer Set Library (isl), which is a library written in C and which is incompatible with t

[Polly][Ast] Partial refactoring of IslAst and IslAstInfo to use isl++. NFC.

Polly use algorithms from the Integer Set Library (isl), which is a library written in C and which is incompatible with the rest of the LLVM as it is written in C++.

Changes made:
- Refactoring the following methods of class `IslAst`
- `getAst()` `getRunCondition()` `buildRunCondition()`
- Removed the destructor in favor of the default one
- Change the type of the attribute `IslAst.RunCondition` to `isl::ast_expr`
- Change the type of the attribute `IslAst.Root` to `isl::ast_node`
- Change the order of attributes in class `IslAst` to reflect the data dependencies so that the destructor won't complain
- Refactoring the following methods of class `IslAstInfo`
- `getAst()` `getRunCondition()`

Reviewed By: Meinersbur

Differential Revision: https://reviews.llvm.org/D100265

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[Polly] Fix deprecation warning. NFC.

IRBuilder::CreateLoad without type parameter was deprecated in 6312c538
to prepare for opaque pointers.

[Polly] Remove use of -O3 in regression test.

In addition to that regression tests should not test the intire pass
pipeline (unless they are testing the pipeline itself), the Polly-ACC
currently doe

[Polly] Remove use of -O3 in regression test.

In addition to that regression tests should not test the intire pass
pipeline (unless they are testing the pipeline itself), the Polly-ACC
currently does not support the new pass manager. If enabled by default,
such tests will therefore fail.

Use the -polly-gpu-runtime and -polly-gpu-arch options also as default
values for the PPCGCodeGeneration pass. This requires to move the option
to be moved from the pipeline-building Register passes to the
PPCGCodeGeneration implementation.

Fixes the spir-typesize.ll buildbot fail.

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[Polly] Add override qualifiers.

Silence compiler warnings that suggest to add override qualifiers.

[Polly] Fix build after IRBuilder changes

Simply dropping the createPollyIRBuilder() function here, because
it doesn't do much. Also directly initialize Expander in
ScopExpander instead of going thr

[Polly] Fix build after IRBuilder changes

Simply dropping the createPollyIRBuilder() function here, because
it doesn't do much. Also directly initialize Expander in
ScopExpander instead of going through the copy-constructor.

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[Polly] Update ISL to isl-0.22.1-87-gfee05a13.

The primary motivation is to fix an assertion failure in
isl_basic_map_alloc_equality:

isl_assert(ctx, room_for_con(bmap, 1), return -1);

Althoug

[Polly] Update ISL to isl-0.22.1-87-gfee05a13.

The primary motivation is to fix an assertion failure in
isl_basic_map_alloc_equality:

isl_assert(ctx, room_for_con(bmap, 1), return -1);

Although the assertion does not occur anymore, I could not identify
which of ISL's commits fixed it.

Compared to the previous ISL version, Polly requires some changes for this update

* Since ISL commit
20d3574 "perform parameter alignment by modifying both arguments to function"
isl_*_gist_* and similar functions do not always align the paramter
list anymore. This caused the parameter lists in JScop files to
become out-of-sync. Since many regression tests use JScop files with
a fixed parameter list and order, we explicitly call align_params to
ensure a predictable parameter list.

* ISL changed some return types to isl_size, a typedef of (signed) int.
This caused some issues where the return type was unsigned int before:
- No overload for std::max(unsigned,isl_size)
- It cause additional 'mixed signed/unsigned comparison' warnings.
Since they do not break compilation, and sizes larger than 2^31
were never supported, I am going to fix it separately.

* With the change to isl_size, commit
57d547 "isl_*_list_size: return isl_size"
also changed the return value in case of an error from 0 to -1. This
caused undefined looping over isl_iterator since the 'end iterator'
got index -1, never reached from the 'begin iterator' with index 0.

* Some internal changes in ISL caused the number of operations to
increase when determining access ranges to determine aliasing
overlaps. In one test, this caused exceeding the default limit of
800000. The operations-limit was disabled for this test.

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