Merge llvm-project release/19.x llvmorg-19.1.0-rc4-0-g0c641568515a

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/19.x llvmorg-19.1.0-rc4-0-g0

Merge llvm-project release/19.x llvmorg-19.1.0-rc4-0-g0c641568515a

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/19.x llvmorg-19.1.0-rc4-0-g0c641568515a.

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 release/18.x llvmorg-18.1.1-0-gdba2a75e9c7e

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/18.x llvmorg-18.1.1-0-gdba2a75e9

Merge llvm-project release/18.x llvmorg-18.1.1-0-gdba2a75e9c7e

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/18.x llvmorg-18.1.1-0-gdba2a75e9c7e.

PR: 276104
MFC after: 1 month

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Merge llvm-project release/18.x llvmorg-18.1.0-rc2-53-gc7b0a6ecd442

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/18.x llvmorg-18.1.0-rc2-53-

Merge llvm-project release/18.x llvmorg-18.1.0-rc2-53-gc7b0a6ecd442

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/18.x llvmorg-18.1.0-rc2-53-gc7b0a6ecd442.

PR: 276104
MFC after: 1 month

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Merge llvm-project release/18.x llvmorg-18.1.0-rc2-0-gc6c86965d967

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/18.x llvmorg-18.1.0-rc2-0-gc

Merge llvm-project release/18.x llvmorg-18.1.0-rc2-0-gc6c86965d967

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/18.x llvmorg-18.1.0-rc2-0-gc6c86965d967.

PR: 276104
MFC after: 1 month

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Merge llvm-project main llvmorg-18-init-18359-g93248729cfae

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project main llvmorg-18-init-18359-g93248729cfae, t

Merge llvm-project main llvmorg-18-init-18359-g93248729cfae

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project main llvmorg-18-init-18359-g93248729cfae, the
last commit before the upstream release/18.x branch was created.

PR: 276104
MFC after: 1 month

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Merge llvm-project main llvmorg-18-init-16864-g3b3ee1f53424

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project main llvmorg-18-init-16864-g3b3ee1f53424.

Merge llvm-project main llvmorg-18-init-16864-g3b3ee1f53424

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project main llvmorg-18-init-16864-g3b3ee1f53424.

PR: 276104
MFC after: 1 month

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Merge llvm-project main llvmorg-18-init-16003-gfc5f51cf5af4

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project main llvmorg-18-init-16003-gfc5f51cf5af4.

Merge llvm-project main llvmorg-18-init-16003-gfc5f51cf5af4

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project main llvmorg-18-init-16003-gfc5f51cf5af4.

PR: 276104
MFC after: 1 month

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Merge llvm-project main llvmorg-18-init-15692-g007ed0dccd6a

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project main llvmorg-18-init-15692-g007ed0dccd6a.

Merge llvm-project main llvmorg-18-init-15692-g007ed0dccd6a

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project main llvmorg-18-init-15692-g007ed0dccd6a.

PR: 276104
MFC after: 1 month

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Merge llvm-project main llvmorg-18-init-15088-gd14ee76181fb

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project main llvmorg-18-init-15088-gd14ee76181fb.

Merge llvm-project main llvmorg-18-init-15088-gd14ee76181fb

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project main llvmorg-18-init-15088-gd14ee76181fb.

PR: 276104
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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Apply clang fixes for crashes compiling ARM/AArch64 CRC intrinsics

Merge commit 069ecd0c6e2c from llvm-project (by Fangrui Song):

[ARM] Check target feature support for __builtin_arm_crc*

`__b

Apply clang fixes for crashes compiling ARM/AArch64 CRC intrinsics

Merge commit 069ecd0c6e2c from llvm-project (by Fangrui Song):

[ARM] Check target feature support for __builtin_arm_crc*

`__builtin_arm_crc*` requires the target feature crc which is available on armv8
and above. Calling the fuctions for armv7 leads to a SelectionDAG crash.

```
% clang -c --target=armv7-unknown-linux-gnueabi -c a.c
fatal error: error in backend: Cannot select: intrinsic %llvm.arm.crc32b
PLEASE submit a bug report to ...
```

Add `TARGET_BUILTIN` and define required features for these builtins to
report an error in `CodeGenFunction::checkTargetFeatures`. The problem is quite widespread.
I will add `TARGET_BUILTIN` for more builtins later.

Fix https://github.com/llvm/llvm-project/issues/57802

Differential Revision: https://reviews.llvm.org/D134127

Merge commit b2d7a0dcf1ff from llvm-project (by Fangrui Song):

[AArch64] Check target feature support for __builtin_arm_crc*

This is the AArch64 counterpart of D134127.
Daniel Kiss will change more `BUILTIN` to `TARGET_BUILTIN`.

Fix #57802

Note that programs attempting to use ARM/AArch64 CRC intrinsics, when
they are not supported by the targeted CPU, will still receive a regular
compilation error (instead of a fatal backend error) similar to:

7zCrc.c:4:10: error: '__builtin_arm_crc32b' needs target feature crc
return __builtin_arm_crc32b(a, b);
^

Reported by: Alastair Hogge <agh@riseup.net>
PR: 271624
MFC after: 3 days

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Merge llvm-project release/15.x llvmorg-15.0.0-9-g1c73596d3454

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-15.0.0-9-g1c73596d3454.

PR: 265425
MFC afte

Merge llvm-project release/15.x llvmorg-15.0.0-9-g1c73596d3454

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-15.0.0-9-g1c73596d3454.

PR: 265425
MFC after: 2 weeks

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Merge llvm-project main llvmorg-15-init-15358-g53dc0f10787

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-15-init-15358-g53dc0f10787.

PR: 265425
MFC afte

Merge llvm-project main llvmorg-15-init-15358-g53dc0f10787

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-15-init-15358-g53dc0f10787.

PR: 265425
MFC after: 2 weeks

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Merge llvm-project main llvmorg-14-init-18294-gdb01b123d012

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-14-init-18294-gdb01b123d012, the last commit bef

Merge llvm-project main llvmorg-14-init-18294-gdb01b123d012

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-14-init-18294-gdb01b123d012, the last commit before
the upstream release/14.x branch was created.

PR: 261742
MFC after: 2 weeks

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Merge llvm-project main llvmorg-14-init-17616-g024a1fab5c35

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-14-init-17616-g024a1fab5c35.

PR: 261742
MFC af

Merge llvm-project main llvmorg-14-init-17616-g024a1fab5c35

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-14-init-17616-g024a1fab5c35.

PR: 261742
MFC after: 2 weeks

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Merge llvm-project main llvmorg-14-init-13186-g0c553cc1af2e

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-14-init-13186-g0c553cc1af2e.

PR: 261742
MFC af

Merge llvm-project main llvmorg-14-init-13186-g0c553cc1af2e

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-14-init-13186-g0c553cc1af2e.

PR: 261742
MFC after: 2 weeks

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Merge llvm-project main llvmorg-14-init-11187-g222442ec2d71

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-14-init-11187-g222442ec2d71.

PR: 261742
MFC af

Merge llvm-project main llvmorg-14-init-11187-g222442ec2d71

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-14-init-11187-g222442ec2d71.

PR: 261742
MFC after: 2 weeks

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Merge llvm-project main llvmorg-14-init-10186-gff7f2cfa959b

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-14-init-10186-gff7f2cfa959b.

PR: 261742
MFC af

Merge llvm-project main llvmorg-14-init-10186-gff7f2cfa959b

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-14-init-10186-gff7f2cfa959b.

PR: 261742
MFC after: 2 weeks

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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 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

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