[Hexagon] Remove unused includes (NFC) (#116529)

Identified with misc-include-cleaner.

[llvm] Stop including vector (NFC)

Identified with clangd.

[llvm] Fix duplicate word typos. NFC

Those fixes were taken from https://reviews.llvm.org/D137338

[llvm] Add missing StringExtras.h includes

In preparation for removing the `#include "llvm/ADT/StringExtras.h"`
from the header to source file of `llvm/Support/Error.h`, first add in
all the missing

[llvm] Add missing StringExtras.h includes

In preparation for removing the `#include "llvm/ADT/StringExtras.h"`
from the header to source file of `llvm/Support/Error.h`, first add in
all the missing includes that were previously included transitively
through this header.

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[Target] Use llvm::count{l,r}_{zero,one} (NFC)

Use llvm::popcount instead of llvm::countPopulation(NFC)

[Hexagon] Remove most Optionals in favor of std::optional

[llvm] LLVM_FALLTHROUGH => [[fallthrough]]. NFC

With C++17 there is no Clang pedantic warning or MSVC C5051.

Don't use Optional::hasValue (NFC)

[llvm] Remove redundant member initialization (NFC)

Identified with readability-redundant-member-init.

[Hexagon] Show slot resources for errors

For a scalar packet resource error, emit details about the slots
available for each instruction in the packet.

[Hexagon] Misc shuffling fixes

Co-authored-by: Brian Cain <bcain@quicinc.com>

[Target] Use range-based for loops (NFC)

[NFCI] Move DEBUG_TYPE definition below #includes

When you try to define a new DEBUG_TYPE in a header file, DEBUG_TYPE
definition defined around the #includes in files include it could
result in red

[NFCI] Move DEBUG_TYPE definition below #includes

When you try to define a new DEBUG_TYPE in a header file, DEBUG_TYPE
definition defined around the #includes in files include it could
result in redefinition warnings even compile errors.

Reviewed By: tejohnson

Differential Revision: https://reviews.llvm.org/D102594

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[llvm] Use llvm::stable_sort (NFC)

[Hexagon] Add support for Hexagon v67t microarchitecture (tiny core)

[Hexagon] Add support for Hexagon/HVX v67 ISA

[Hexagon] Use itinerary for assembler HVX resource checking

[Hexagon] Refactor HexagonShuffle

The check() in HexagonShuffle has been decomposed into smaller steps.
No functionality change is intended with this commit.

Include what you use in HexagonShuffler.cpp

HexagonShuffler.cpp was not using any APIs from Hexagon.h, and was only
including it for transitive dependencies. Doing so is problematic from
include-wh

Include what you use in HexagonShuffler.cpp

HexagonShuffler.cpp was not using any APIs from Hexagon.h, and was only
including it for transitive dependencies. Doing so is problematic from
include-what-you-use perspective, but it is also a layering issue (it
creates a dependency cycle between the primary Hexagon target library
and the MCTargetDesc library).

llvm-svn: 362384

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Update the file headers across all of the LLVM projects in the monorepo
to reflect the new license.

We understand that people may be surprised that we're moving the header
entirely to discuss the ne

Update the file headers across all of the LLVM projects in the monorepo
to reflect the new license.

We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.

Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.

llvm-svn: 351636

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[Hexagon] Foundation of support for Hexagon V66

llvm-svn: 348407

Rename DEBUG macro to LLVM_DEBUG.

The DEBUG() macro is very generic so it might clash with other projects.
The renaming was done as follows:
- git grep -l 'DEBUG' | xargs sed -i 's/\bDEBUG\s\?(/

Rename DEBUG macro to LLVM_DEBUG.

The DEBUG() macro is very generic so it might clash with other projects.
The renaming was done as follows:
- git grep -l 'DEBUG' | xargs sed -i 's/\bDEBUG\s\?(/LLVM_DEBUG(/g'
- git diff -U0 master | ../clang/tools/clang-format/clang-format-diff.py -i -p1 -style LLVM
- Manual change to APInt
- Manually chage DOCS as regex doesn't match it.

In the transition period the DEBUG() macro is still present and aliased
to the LLVM_DEBUG() one.

Differential Revision: https://reviews.llvm.org/D43624

llvm-svn: 332240

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[Hexagon] Add support for Hexagon V65

llvm-svn: 320404

[Hexagon] Use stable sort for HexagonShuffler to remove non-deterministic ordering

Summary:
This fixes failures in the following tests uncovered by D39245:
LLVM :: CodeGen/Hexagon/args.ll

[Hexagon] Use stable sort for HexagonShuffler to remove non-deterministic ordering

Summary:
This fixes failures in the following tests uncovered by D39245:
LLVM :: CodeGen/Hexagon/args.ll
LLVM :: CodeGen/Hexagon/constp-extract.ll
LLVM :: CodeGen/Hexagon/expand-condsets-basic.ll
LLVM :: CodeGen/Hexagon/gp-rel.ll
LLVM :: CodeGen/Hexagon/packetize_cond_inst.ll
LLVM :: CodeGen/Hexagon/simple_addend.ll
LLVM :: CodeGen/Hexagon/swp-stages4.ll
LLVM :: CodeGen/Hexagon/swp-vmult.ll
LLVM :: CodeGen/Hexagon/swp-vsum.ll
LLVM :: MC/Hexagon/align.s
LLVM :: MC/Hexagon/asmMap.s
LLVM :: MC/Hexagon/dis-duplex-p0.s
LLVM :: MC/Hexagon/double-vector-producer.s
LLVM :: MC/Hexagon/inst_select.ll
LLVM :: MC/Hexagon/instructions/j.s

Reviewers: colinl, kparzysz, adasgupt, slarin

Reviewed By: kparzysz

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D40227

llvm-svn: 319223

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