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Merge branch 'main' into users/ylzsx/r-tls-noie

Merge branch 'users/chapuni/mcdc/nest/nest-base' into users/chapuni/mcdc/nest/trunk

Merge branch 'users/chapuni/mcdc/nest/bitmapaddr' into users/chapuni/mcdc/nest/nest-base

Conflicts:
        clang/test/CoverageMapping/mcdc-single-cond.cpp

Merge branch 'users/chapuni/mcdc/nest/tests' into users/chapuni/mcdc/nest/bitmapaddr

Merge branch 'users/chapuni/mcdc/nest/tests' into users/chapuni/mcdc/nest/mcdcstate

Merge branch 'users/chapuni/mcdc/nest/tests' into users/chapuni/mcdc/nest/lnot

Merge branch 'users/chapuni/mcdc/nest/tests' into users/chapuni/mcdc/nest/expect

Merge branch 'main' into users/chapuni/mcdc/nest/tests

run 'git merge main'

fix order

Created using spr 1.3.4

[𝘀𝗽𝗿] changes introduced through rebase

Created using spr 1.3.4

[skip ci]

Rebase

Created using spr 1.3.5

rebase

Created using spr 1.3.4

refactor

Created using spr 1.3.4

Address @DavidSpickett's comment

Created using spr 1.3.5-bogner

Rebase, address comments, remove some extra graph-related code

Created using spr 1.3.5

rebase

Created using spr 1.3.4

Merge branch 'users/meinersbur/flang_runtime' into users/meinersbur/flang_runtime_shared

Merge branch 'users/meinersbur/flang_runtime_move-files' into users/meinersbur/flang_runtime

Merge branch 'main' into users/meinersbur/flang_runtime_move-files

Merge branch 'main' into users/ylzsx/r-call36

Merge branch 'main' of https://github.com/llvm/llvm-project into cbuffer-codegen5

Merge branch 'test/adding-missing-test' into obj2yaml/root-constants

[SLP]Improved reduction cost/codegen

SLP vectorizer is able to combine several reductions from the list of
(potentially) reduced values with the different opcodes/values kind.
Currently, these reductions are handled independently of each other. But
instead the compiler can combine them into wide vector operations and
then perform only single reduction.
E.g, if the SLP vectorizer emits currently something like:
```
%r1 = reduce.add(<4 x i32> %v1)
%r2 = reduce.add(<4 x i32> %v2)
%r = add i32 %r1, %r2
```

it can be emitted as:
```
%v = add <4 x i32> %v1, %v2
%r = reduce.add(<4 x i32> %v)
```

    [80 lines not shown]

Revert "[SLP]Improved reduction cost/codegen"

This reverts commit 7ec60bf0166519317b5ae2505dd6ed4660e3ea39 to fix
a bug reported in https://github.com/llvm/llvm-project/issues/127220.

[SLP]Improved reduction cost/codegen

SLP vectorizer is able to combine several reductions from the list of
(potentially) reduced values with the different opcodes/values kind.
Currently, these reductions are handled independently of each other. But
instead the compiler can combine them into wide vector operations and
then perform only single reduction.
E.g, if the SLP vectorizer emits currently something like:
```
%r1 = reduce.add(<4 x i32> %v1)
%r2 = reduce.add(<4 x i32> %v2)
%r = add i32 %r1, %r2
```

it can be emitted as:
```
%v = add <4 x i32> %v1, %v2
%r = reduce.add(<4 x i32> %v)
```

    [80 lines not shown]

[SLP]Add a test with non-power-of-2 reduction for ctpop, NFC

From #127177

[SLP]Improved reduction cost/codegen

SLP vectorizer is able to combine several reductions from the list of
(potentially) reduced values with the different opcodes/values kind.
Currently, these reductions are handled independently of each other. But
instead the compiler can combine them into wide vector operations and
then perform only single reduction.
E.g, if the SLP vectorizer emits currently something like:
```
%r1 = reduce.add(<4 x i32> %v1)
%r2 = reduce.add(<4 x i32> %v2)
%r = add i32 %r1, %r2
```

it can be emitted as:
```
%v = add <4 x i32> %v1, %v2
%r = reduce.add(<4 x i32> %v)
```

    [80 lines not shown]

Revert "[SLP]Improved reduction cost/codegen"

This reverts commit 7ec60bf0166519317b5ae2505dd6ed4660e3ea39 to fix
a bug reported in https://github.com/llvm/llvm-project/issues/127220.

[SLP]Improved reduction cost/codegen

SLP vectorizer is able to combine several reductions from the list of
(potentially) reduced values with the different opcodes/values kind.
Currently, these reductions are handled independently of each other. But
instead the compiler can combine them into wide vector operations and
then perform only single reduction.
E.g, if the SLP vectorizer emits currently something like:
```
%r1 = reduce.add(<4 x i32> %v1)
%r2 = reduce.add(<4 x i32> %v2)
%r = add i32 %r1, %r2
```

it can be emitted as:
```
%v = add <4 x i32> %v1, %v2
%r = reduce.add(<4 x i32> %v)
```

    [80 lines not shown]