Patch by Julie Hockett.

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Summary:
This fixes the following failure uncovered by D39245:
  Clang :: Index/getcursor-preamble.m

Reviewers: gbenyei, akyrtzi, bkramer, arphaman

Reviewed By: arphaman

Subscribers: arphaman, cfe-commits

Differential Revision: https://reviews.llvm.org/D40618

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This warning is known to be noisy and projects frequently disable it. In
particular, this should make building isl as bundled in polly with
clang-cl a lot quieter.

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In the original design of the analyzer, it was assumed that a BlockEntrance
doesn't create a new binding on the Store, but this assumption isn't true when
'widen-loops' is set to true. Fix this by finding an appropriate location
BlockEntrace program points.

Patch by Henry Wong!

Differential Revision: https://reviews.llvm.org/D37187

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directives.

`linear` clause is not allowed on non-simd distribute-based directives.

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../tools/clang/lib/Driver/ToolChains/Cuda.cpp:80:18: error: reference to non-static member function must be called; did you mean to call it with no arguments?
    if (Distro(D.getVFS).IsDebian())
               ~~^~~~~~
                       ()



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directive, NFC.

Some general improvements in support of `teams distribute` directive.

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Summary:
Reported here:
http://bugs.debian.org/882505

Patch by Andreas Beckmann


Reviewers: Hahnfeld, tra

Reviewed By: tra

Subscribers: jlebar, cfe-commits

Differential Revision: https://reviews.llvm.org/D40453

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This fixes some bugs in the reflowing logic and splits out the concerns
of reflowing from BreakableToken.

Things to do after this patch:
- Refactor the breakProtrudingToken function possibly into a class, so we
  can split it up into methods that operate on the common state.
- Optimize whitespace compression when reflowing by using the next possible
  split point instead of the latest possible split point.
- Retry different strategies for reflowing (strictly staying below the
  column limit vs. allowing excess characters if possible).

Differential Revision: https://reviews.llvm.org/D40310

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This is a re-apply of r319294.

adds -fseh-exceptions and -fdwarf-exceptions flags

clang will check if the user has specified an exception model flag,
in the absense of specifying the exception model clang will then check
the driver default and append the model flag for that target to cc1

-fno-exceptions has a higher priority then specifying the model

move __SEH__ macro definitions out of Targets into InitPreprocessor
behind the -fseh-exceptions flag

move __ARM_DWARF_EH__ macrodefinitions out of verious targets and into
InitPreprocessor behind the -fdwarf-exceptions flag and arm|thumb check

remove unused USESEHExceptions from the MinGW Driver

fold USESjLjExceptions into a new GetExceptionModel function that
gives the toolchain classes more flexibility with eh models

Reviewers: rnk, mstorsjo

Differential Revision: https://reviews.llvm.org/D39673

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This reverts rL319294.
The windows sanitizer does not like seh on x86.
Will re apply with None type for x86

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adds -fseh-exceptions and -fdwarf-exceptions flags

clang will check if the user has specified an exception model flag,
in the absense of specifying the exception model clang will then check
the driver default and append the model flag for that target to cc1

clang cc1 assumes dwarf is the default if none is passed
and -fno-exceptions has a higher priority then specifying the model

move __SEH__ macro definitions out of Targets into InitPreprocessor
behind the -fseh-exceptions flag

move __ARM_DWARF_EH__ macrodefinitions out of verious targets and into
InitPreprocessor behind the -fdwarf-exceptions flag and arm|thumb check

remove unused USESEHExceptions from the MinGW Driver

fold USESjLjExceptions into a new GetExceptionModel function that
gives the toolchain classes more flexibility with eh models

Reviewers: rnk, mstorsjo

Differential Revision: https://reviews.llvm.org/D39673

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I had to reland this change in order to make the test work on windows

This change should resolve https://bugs.llvm.org/show_bug.cgi?id=35022

https://reviews.llvm.org/D39627

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Passthrough LLVM_ENABLE_{PROJECTS,RUNTIMES} to followup stages to
support the side-by-side checkouts (aka monorepo layout).

Differential Revision: https://reviews.llvm.org/D40258

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Escaping ; in list arguments passed to ExternalProject_Add doesn't seem
to be working in newer versions of CMake (see
https://public.kitware.com/Bug/view.php?id=16137 for more details). Use
a custom LIST_SEPARATOR instead which is the officially supported way.

Differential Revision: https://reviews.llvm.org/D40257

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The handling and capturing of the non-constant expressions of some of
the capturable clauses in combined directives is generalized.

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Summary:
This fixes the following failures uncovered by D39245:
    Clang :: OpenMP/task_firstprivate_codegen.cpp
    Clang :: OpenMP/task_private_codegen.cpp
    Clang :: OpenMP/taskloop_firstprivate_codegen.cpp
    Clang :: OpenMP/taskloop_lastprivate_codegen.cpp
    Clang :: OpenMP/taskloop_private_codegen.cpp
    Clang :: OpenMP/taskloop_simd_firstprivate_codegen.cpp
    Clang :: OpenMP/taskloop_simd_lastprivate_codegen.cpp
    Clang :: OpenMP/taskloop_simd_private_codegen.cpp

Reviewers: rjmccall, ABataev, AndreyChurbanov

Reviewed By: rjmccall, ABataev

Subscribers: cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D39947

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This fixes erroneously reported CUDA compilation errors
in host-side code during device-side compilation.

I've also restricted OpenMP-specific checks to trigger only
if we're compiling with OpenMP enabled.

Differential Revision: https://reviews.llvm.org/D40275

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Currently CodeGen is calling std::sort on the features vector in TargetOptions for every function, but I don't think CodeGen should be modifying TargetOptions.

Differential Revision: https://reviews.llvm.org/D40228

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These functions were defined as static members of TemplateSpecializationType.
Now they are moved to namespace level. Previously there were different
implementations for lists containing TemplateArgument and TemplateArgumentLoc,
now these implementations share the same code.

This change is a result of refactoring patch D40508. NFC.


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This adds ways to control use of WebAssembly's new nontrapping-fptoint
feature.


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cl interprets this option to mean enable every supported warning, which
is what Clang's -Weverything flag does.

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The WebAssembly standard does not yet have threads, and while it's in the
process of being standardized, it'll take some time for it to make it
through and be available in all popular implementations. With increasing
numbers of people using the LLVM wasm backend through LLVM directly rather
than through Emscripten, it's increasingly important to have friendly
defaults.

See also https://bugs.llvm.org/show_bug.cgi?id=35411


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It's used to determine whether terminal supports colors, but within LLVM
it's only used in handful of places and in Clang it's only used in AST
dumper, otherwise Clang relies on the -fcolor-diagnostics flag which we
pass explicitly from our build system anyway. This eliminates one of the
shared libraries dependencies making the toolchain less reliant on the
host environment.

Differential Revision: https://reviews.llvm.org/D40329

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Initial codegen for `#pragma omp distribute parallel for simd` directive
and its clauses.

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Added proper codegen for `distribute parallel for simd` directive.

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Summary:
Switch CPU names not recognized by GNU assembler to a close CPU that it
does recognize.  In this patch, kryo, falkor and saphira all get
replaced by cortex-a57 when invoking the assembler.  In addition, krait
was already being replaced by cortex-a15.

Reviewers: weimingz

Subscribers: srhines, cfe-commits

Differential Revision: https://reviews.llvm.org/D40476

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We didn't support the following syntax:

  (std::initializer_list<int>){12}

which suddenly produces CompoundLiteralExpr that contains
CXXStdInitializerListExpr.

Lift the assertion and instead pass the value through CompoundLiteralExpr
transparently, as it doesn't add much.

Differential Revision: https://reviews.llvm.org/D39803


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We were crashing whenever a C++ pointer-to-member was taken, that was pointing
to a member of an anonymous structure field within a class, eg.

  struct A {
    struct {
     int x;
    };
  };
  // ...
  &A::x;

Differential Revision: https://reviews.llvm.org/D39800


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Summary:
We want to automatically copy cfe-commits@ on review requests
to the clang repository.

Similar to D40179, I set up a new Diffusion repository with callsign
"C" for clang:

https://reviews.llvm.org/source/clang/

This explicitly updates clang's .arcconfig to point to the new C
repository in Diffusion, which will let us use Herald rule H268.

Reviewers: klimek, sammccall

Reviewed By: klimek

Subscribers: dlj, bkramer

Differential Revision: https://reviews.llvm.org/D40494

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constructs, NFC.

Improved handling of cancel|cancellation point directives inside
target-based for directives.

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Summary:
During make check-all on Solaris, lit complains

llvm-lit: /vol/gcc/src/llvm/llvm/dist/tools/clang/test/Unit/lit.cfg.py:57: warning: unable to inject shared library path on 'SunOS'

The following patch avoids this: Solaris uses LD_LIBRARY_PATH like several other targets.

In theory, one could also handle LD_LIBRARY_PATH_{32,64} which take precedence over
LD_LIBRARY_PATH if set, but let's cross that bridge when we get there.

Patch by Rainer Orth.

Reviewers: rsmith, lichray
Reviewed By: lichray

Differential Revision: https://reviews.llvm.org/D39640

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Summary:
This patch allows grouping multiple #include blocks together and sort all includes as one big block.
Additionally, sorted includes can be regrouped after sorting based on configured categories.

Contributed by @KrzysztofKapusta!

Reviewers: krasimir

Reviewed By: krasimir

Subscribers: cfe-commits, klimek

Differential Revision: https://reviews.llvm.org/D40288

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Patch by Peter Szecsi!

Differential Revision: https://reviews.llvm.org/D38843



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