Merge llvm-project release/13.x llvmorg-13.0.0-rc1-97-g23ba3732246a

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-13.0.0-rc1-97-g23ba3732246a.

PR: 25820

Merge llvm-project release/13.x llvmorg-13.0.0-rc1-97-g23ba3732246a

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-13.0.0-rc1-97-g23ba3732246a.

PR: 258209
MFC after: 2 weeks

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Merge llvm-project main llvmorg-13-init-16847-g88e66fa60ae5

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-13-init-16847-g88e66fa60ae5, the last commit bef

Merge llvm-project main llvmorg-13-init-16847-g88e66fa60ae5

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-13-init-16847-g88e66fa60ae5, the last commit before
the upstream release/13.x branch was created.

PR: 258209
MFC after: 2 weeks

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Merge llvm-project 12.0.1 rc2

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-12.0.1-rc2-0-ge7dac564cd0e, a.k.a. 12.0.1 rc2.

PR: 255570
MFC after: 6 weeks

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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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
llvmorg-10.0.1-rc1-0-gf79cd71e145 (aka 10.0.1 rc1).

MFC after: 3 weeks

Merge ^/vendor/llvm-project/release-10.x up to its last change (upstream
commit llvmorg-10.0.0-rc2-0-g90c78073f73), bump versions, and update
build glue.

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.

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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Merge llvm, clang, compiler-rt, libc++, libunwind, lld, lldb, and openmp
release 9.0.0 r372316, and update version numbers.

Merge clang trunk r366426, resolve conflicts, and update FREEBSD-Xlist.

Merge llvm, clang, compiler-rt, libc++, lld, and lldb release_80 branch
r354130, resolve conflicts, and bump version numbers.

Merge clang trunk r351319, resolve conflicts, and update FREEBSD-Xlist.

Merge llvm, clang, lld, lldb, compiler-rt and libc++ release_70 branch
r348686 (effectively 7.0.1 rc3), resolve conflicts, and bump version
numbers.

PR: 230240, 230355

Merge ^/head r339015 through r339669.

clang: allow ifunc resolvers to accept arguments

Previously Clang required ifunc resolution functions to take no
arguments, presumably because GCC documented ifunc resolvers as taking
no arguments.

clang: allow ifunc resolvers to accept arguments

Previously Clang required ifunc resolution functions to take no
arguments, presumably because GCC documented ifunc resolvers as taking
no arguments. However, GCC accepts resolvers accepting arguments, and
our rtld passes CPU ID information (cpuid, hwcap, etc.) to ifunc
resolvers. Just remove the check from the in-tree compiler for our in-
tree compiler; a different (per-OS) approach may be required upstream.

Reported by: mjg
Approved by: re (rgrimes)
MFC after: 1 week
Relnotes: Yes
Sponsored by: The FreeBSD Foundation

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Merge llvm, clang, lld, lldb, compiler-rt and libc++ release_70 branch
r340910, resolve conflicts, and bump version numbers.

PR: 230240, 230355

Merge clang trunk r338150 (just before the 7.0.0 branch point), and
resolve conflicts.

Merge clang trunk r338150, and resolve conflicts.

Upgrade our copies of clang, llvm, lld, lldb, compiler-rt and libc++ to
6.0.0 (branches/release_60 r325330).

MFC after: 3 months
X-MFC-With: r327952
PR: 224669

Merge llvm, clang, lld, lldb, compiler-rt and libc++ release_60 r321788,
update build glue and version numbers.

Merge clang trunk r321414 to contrib/llvm.

Merge clang trunk r321017 to contrib/llvm/tools/clang.

Merge llvm, clang, lld, lldb, compiler-rt and libc++ r308421, and update
build glue.