This reverts commit r272386. It doesn't compile with MSVC and those bots
have been red the entire day as a consequence.

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[AVX512] Implement 512-bit and masked shufflelo and shufflehi intrinsics directly with __builtin_shufflevector and __builtin_ia32_select. Also improve the formatting of the AVX2 version.

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Visualizers for DeclAccessPair, UnresolvedSet, and LookupResult. For example,
when combined with LLVM diff D21256 (currently in review), a Lookup set will
show much more naturally in the Locals window something like

  Found: {public typename ...Ts}



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We shouldn't return true from CheckSpecifiedExceptionType if
the record type is incomplete and -fms-extensions is engaged.  Otherwise
we will have an incomplete AST.

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This syntax error resulted in garbage being appended to OpaquePtr visualizations


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Summary:
Address post-patch comments to r272342.

- Rename the 'kernel' attribute's name
- Idiomatically restrict the attribute to the 'RenderScript' LangOpt.

Reviewers: aaron.ballman, rsmith

Subscribers: cfe-commits, srhines

Differential Revision: http://reviews.llvm.org/D21240

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The code had a typo it was doing:
  Param->setUninstantiatedDefaultArg(Param->getUninstantiatedDefaultArg());

This is a no-op but may assert, we wanted to do:
  Param->setUninstantiatedDefaultArg(OldParam->getUninstantiatedDefaultArg());

This fixes PR28082.

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GCC still permits enabling the SjLj EH model.  This is something which can be
done on various targets.  Hoist the -fsjlj-exceptions option into the driver and
pass it through.  This allows one to opt into the alternative EH model while
retaining the default to be the target's default.

Resolves PR27749!

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Summary:
Android target triples can include a version number in the abi field
(e.g. 'aarch64-linux-android21'), used for checking for availability.
However, the driver was searching for toolchain binaries using the
passed in triple as a prefix.

Reviewers: srhines, danalbert, t.p.northover

Subscribers: t.p.northover, aemerson, tberghammer, danalbert, srhines, cfe-commits

Differential Revision: http://reviews.llvm.org/D21163

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Microsoft headers, comdef.h and comutil.h, assume that this is an OK
thing to do.  Downgrade the hard error to a warning if we are in
-fms-extensions mode.

This fixes PR28080.

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Rehashing the ExplodedNode table is very expensive. The hashing
itself is expensive, and the general activity of iterating over the
hash table is highly cache unfriendly. Instead, we guess at the
eventual size by using the maximum number of steps allowed. This
generally avoids a rehash. It is possible that we still need to
rehash if the backlog of work that is added to the worklist
significantly exceeds the number of work items that we process. Even
if we do need to rehash in that scenario, this change is still a
win, as we still have fewer rehashes that we would have prior to
this change.

For small work loads, this will increase the memory used. For large
work loads, it will somewhat reduce the memory used. Speed is
significantly increased. A large .C file took 3m53.812s to analyze
prior to this change. Now it takes 3m38.976s, for a ~6% improvement.

http://reviews.llvm.org/D20933

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Matches methods overridden by the given method.

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Some calls from OMPClauseProfiler were calling the Stmt Profiler with null
pointers, but the profiler can only handle non-null pointers.  Add an assert
to the VisitStmt for valid pointers, and check all calls from OMPClauseProfiler
to be non-null pointers.


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Crash reported in PR28023 is caused by the fact that non-type template
parameters are found by tag name lookup.  In the code provided in that PR:

template<int V> struct A {
  struct B {
    template <int> friend struct V;
  };
};

the template parameter V is found when lookup for redeclarations of 'struct V'
is made. Latter on the error about shadowing of 'V' is emitted but the semantic
context of 'struct V' is already determined wrong: 'struct A' instead of
translation unit.

The fix moves the check for shadowing toward the beginning of the method and
thus prevents from wrong context calculations.

This change fixes PR28023.


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The doxygen comments are automatically generated based on Sony's intrinsics docu
ment.

I got an OK from Eric Christopher to commit doxygen comments without prior code
review upstream.



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Summary:

Create a new Frontend LangOpt to specify the renderscript language. It
is enabled by the "-x renderscript" option from the driver.

Add a "kernel" function attribute only for RenderScript (an "ignored
attribute" warning is generated otherwise).

Make the NativeHalfType and NativeHalfArgsAndReturns LangOpts be implied
by the RenderScript LangOpt.

Reviewers: rsmith

Subscribers: cfe-commits, srhines

Differential Revision: http://reviews.llvm.org/D21198

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Summary: This also fixes union type formatting in function parameter types.

Before: function x(path: number| string) {}
After: function x(path: number|string) {}

Reviewers: djasper

Subscribers: klimek, cfe-commits

Differential Revision: http://reviews.llvm.org/D21206

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Discard unused output so when the test fails, it only prints information that
is helpful about the failure.  No functional change.


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Now that we're on CMake 3.4.3 all the ExternalProject features we use are supported everywhere, so we don't need the version checks anymore.

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We don't need any checks for this code anymore. Since CMake version is always greater than 3 we can always generate the exports file.

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Boxed expressions in a template context may have a null method decl.  If so,
don't try to access the selector.


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Summary:
Add RenderScript language type and associate it with ".rs" extensions.
Test that the driver passes "-x renderscript" to the frontend for ".rs"
files.

(Also add '.rs' to the list of suffixes tested by lit).

Reviewers: rsmith

Subscribers: cfe-commits, srhines

Differential Revision: http://reviews.llvm.org/D21199

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CMake 2.8.12 introduced interface libraries and some related policies. This removes the conditional block because we're now past 2.8.12.

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This reverts r272296, since there are clang-tidy failures that appear to
be caused by this change.

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Summary: Clang changes to make use of the LLVM intrinsics added in D21160.

Reviewers: tra

Subscribers: jholewinski, cfe-commits

Differential Revision: http://reviews.llvm.org/D21162

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These ExprWithCleanups are added for holding a RunCleanupsScope not
for destructor calls; rather, they are for lifetime marks. This requires
ExprWithCleanups to keep a bit to indicate whether it have cleanups with
side effects (e.g. dtor calls).

Differential Revision: http://reviews.llvm.org/D20498

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This reverts r272275. This actually wasn't the right way to fix the problem. The correct solution is in r272279.

Applying the fix to LLVM as done in r272279, means this fix will get picked up by all projects building out of tree using LLVM's CMake modules. As opposed to the fix I had in r272275, which would require each project to change.

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The out-of-tree build needs to read LLVM_TOOLS_INSTALL_DIR out of TOOLS_BINARY_DIR because LLVM_TOOLS_INSTALL_DIR is used by AddLLVM.cmake

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So we can match sizeof expressions more accurately than with UnexposedExpr

Differential Revision: http://reviews.llvm.org/D18081

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Differential Revision: http://reviews.llvm.org/D18080

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Thanks to Sean for the suggestion.

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It is possible for a field and a class to have the same name.  In such
cases, performing lookup for the field might return a result set with
more than one entry.  An overzealous assertion fired, causing us to
crash instead of using the non-class lookup result.

This fixes PR28060.

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[X86] Handle AVX2 pslldqi and psrldqi intrinsics shufflevector creation directly in the header file instead of in CGBuiltin.cpp. Simplify the sse2 equivalents as well.

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