Merge llvm-project release/19.x llvmorg-19.1.0-rc1-0-ga4902a36d5c2

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/19.x llvmorg-19.1.0-rc1-0-ga

Merge llvm-project release/19.x llvmorg-19.1.0-rc1-0-ga4902a36d5c2

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/19.x llvmorg-19.1.0-rc1-0-ga4902a36d5c2.

PR: 280562
MFC after: 1 month

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Merge llvm-project main llvmorg-19-init-18630-gf2ccf80136a0

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project main llvmorg-19-init-18630-gf2ccf80136a0, t

Merge llvm-project main llvmorg-19-init-18630-gf2ccf80136a0

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project main llvmorg-19-init-18630-gf2ccf80136a0, the
last commit before the upstream release/19.x branch was created.

PR: 280562
MFC after: 1 month

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Merge llvm-project main llvmorg-17-init-19304-gd0b54bb50e51

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project main llvmorg-17-init-19304-gd0b54bb50e51, t

Merge llvm-project main llvmorg-17-init-19304-gd0b54bb50e51

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project main llvmorg-17-init-19304-gd0b54bb50e51, the
last commit before the upstream release/17.x branch was created.

PR: 273753
MFC after: 1 month

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Merge llvm-project release/16.x llvmorg-16.0.1-0-gcd89023f7979

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-16.0.1-0-gcd89023f7979 (aka 16.0.1 release).

Merge llvm-project release/16.x llvmorg-16.0.1-0-gcd89023f7979

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-16.0.1-0-gcd89023f7979 (aka 16.0.1 release).

PR: 271047
MFC after: 1 month

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Merge llvm-project main llvmorg-16-init-18548-gb0daacf58f41

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-16-init-18548-gb0daacf58f41.

PR: 271047
MFC af

Merge llvm-project main llvmorg-16-init-18548-gb0daacf58f41

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-16-init-18548-gb0daacf58f41.

PR: 271047
MFC after: 1 month

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Merge llvm-project main llvmorg-15-init-17826-g1f8ae9d7e7e4

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-15-init-17826-g1f8ae9d7e7e4, the last commit bef

Merge llvm-project main llvmorg-15-init-17826-g1f8ae9d7e7e4

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-15-init-17826-g1f8ae9d7e7e4, the last commit before
the upstream release/16.x branch was created.

PR: 265425
MFC after: 2 weeks

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Merge llvm-project main llvmorg-12-init-17869-g8e464dd76bef

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-12-init-17869-g8e464dd76bef, the last commit bef

Merge llvm-project main llvmorg-12-init-17869-g8e464dd76bef

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-12-init-17869-g8e464dd76bef, the last commit before the
upstream release/12.x branch was created.

PR: 255570
MFC after: 6 weeks

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MFH

Sponsored by: Rubicon Communications, LLC (netgate.com)

Merge llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and openmp
release/11.x llvmorg-11.0.0-rc1-47-gff47911ddfc.

MFC after: 6 weeks

Merge llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and openmp
master 2e10b7a39b9, the last commit before the llvmorg-12-init tag, from
which release/11.x was branched.

Note that for now, I

Merge llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and openmp
master 2e10b7a39b9, the last commit before the llvmorg-12-init tag, from
which release/11.x was branched.

Note that for now, I rolled back all our local changes to make merging
easier, and I will reapply the still-relevant ones after updating to
11.0.0-rc1.

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Merge llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and openmp
10.0.0-rc3 c290cb61fdc.

Release notes for llvm, clang, lld and libc++ 10.0.0 will become
available here:

https://releases.llv

Merge llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and openmp
10.0.0-rc3 c290cb61fdc.

Release notes for llvm, clang, lld and libc++ 10.0.0 will become
available here:

https://releases.llvm.org/10.0.0/docs/ReleaseNotes.html
https://releases.llvm.org/10.0.0/tools/clang/docs/ReleaseNotes.html
https://releases.llvm.org/10.0.0/tools/lld/docs/ReleaseNotes.html
https://releases.llvm.org/10.0.0/projects/libcxx/docs/ReleaseNotes.html

PR: 244251
MFC after: 6 weeks

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Merge ^/vendor/lvm-project/master up to its last change (upstream commit
e26a78e70), and resolve conflicts.

Merge ^/vendor/clang/dist up to its last change, and resolve conflicts.

Merge ^/head r356920 through r356930.

Merge commit bc4bc5aa0 from llvm git (by Justin Hibbits):

Add 8548 CPU definition and attributes

8548 CPU is GCC's name for the e500v2, so accept this in clang. The
e500v2 doesn't support lw

Merge commit bc4bc5aa0 from llvm git (by Justin Hibbits):

Add 8548 CPU definition and attributes

8548 CPU is GCC's name for the e500v2, so accept this in clang. The
e500v2 doesn't support lwsync, so define __NO_LWSYNC__ for this as
well, as GCC does.

Differential Revision: https://reviews.llvm.org/D67787

Merge commit ff0311c4b from llvm git (by Justin Hibbits):

[PowerPC]: Add powerpcspe target triple subarch component

Summary:
This allows the use of '-target powerpcspe-unknown-linux-gnu' or
'powerpcspe-unknown-freebsd' to be used, instead of '-target
powerpc-unknown-linux-gnu -mspe'.

Reviewed By: dim
Differential Revision: https://reviews.llvm.org/D72014

Merge commit ba91dffaf from llvm git (by Fangrui Song):

[Driver][PowerPC] Move powerpcspe logic from cc1 to Driver

Follow-up of D72014. It is more appropriate to use a target feature
instead of a SubTypeArch to express the difference.

Reviewed By: #powerpc, jhibbits

Differential Revision: https://reviews.llvm.org/D72433

commit 36eedfcb3 from llvm git (by Justin Hibbits):

[PowerPC] Fix powerpcspe subtarget enablement in llvm backend

Summary:

As currently written, -target powerpcspe will enable SPE regardless
of disabling the feature later on in the command line. Instead,
change this to just set a default CPU to 'e500' instead of a generic
CPU.

As part of this, add FeatureSPE to the e500 definition.

Reviewed By: MaskRay
Differential Revision: https://reviews.llvm.org/D72673

These are needed to unbreak the build for powerpcspe.

Requested by: jhibbits
MFC after: 1 week

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Move all sources from the llvm project into contrib/llvm-project.

This uses the new layout of the upstream repository, which was recently
migrated to GitHub, and converted into a "monorepo". That i

Move all sources from the llvm project into contrib/llvm-project.

This uses the new layout of the upstream repository, which was recently
migrated to GitHub, and converted into a "monorepo". That is, most of
the earlier separate sub-projects with their own branches and tags were
consolidated into one top-level directory, and are now branched and
tagged together.

Updating the vendor area to match this layout is next.

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