The change reflects llvm r268431.

Patch by Michael Lemay (michael.lemay@intel.com)

Differential Revision: http://reviews.llvm.org/D19458


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Use a utility function to check whether the number of elements is a power of 2
and drop the redundant upper limit (a 128-bit vector with more than 16 elements
would have each element < 8 bits, not possible).

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If we are devirtualizing, then we want to compute the 'this' adjustment
of the devirtualized target, not the adjustment of the base's method
definition, which is usually zero.

Fixes PR27621

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We were seeing an internal failure when running this test.  I can't
see a good reason for the difference, but the simple fix is to use
%{{.*}} instead of %1.

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[clang][AVX512][BuiltIn] Adding intrinsics for cast{pd|ps|si}128_{pd|ps|si}512 and castsi256_si512 instruction set

Differential Revision: http://reviews.llvm.org/D19858



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Differential Revision: http://reviews.llvm.org/D19766


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Differential Revision: http://reviews.llvm.org/D19767



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Differential Revision: http://reviews.llvm.org/D19768


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Differential Revision: http://reviews.llvm.org/D19808



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Differential Revision: http://reviews.llvm.org/D11797


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Summary:
Fix the dump of PipeType.
Now we will have "pipe int" and element type.

Reviewers: yaxunl, Anastasia

Subscribers: cfe-commits, bader

Differential Revision: http://reviews.llvm.org/D19524

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Differential Revision: http://reviews.llvm.org/D19048



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This enables installing the libcxx headers.

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r268261 made Clang "expand" more struct arguments on Windows. It removed
the check for 'RD->isCLike()', which was preventing us from attempting
to expand structs with reference type fields.

Our expansion code was attempting to load and pass each field of the
type in turn. We were accidentally doing one to many loads on reference
type fields.

On the function prologue side, we can use
EmitLValueForFieldInitialization, which obviously gets the address of
the field. On the call side, I tweaked EmitRValueForField directly,
since this is the only use of this method.

Fixes PR27607

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This installs the clang headers as part of the install-distribution target.

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This installs the clang headers as part of the install-distribution target.

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It isn't necessary to call hasDefaultArg because we can't rematerialize
a captured variable that is a function parameter, regardless of whether
or not it has a default argument. NFC.


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parameters in the body of a block.

This fixes a bug where clang would materialize the default argument
inside the body of a block instead of passing the value via the block
descriptor.

For example, in the code below, foo1 would always print 42 regardless
of the value of argument "a" passed to foo1.

void foo1(const int a = 42 ) {
  auto block = ^{
    printf("%d\n", a);
  };
  block();
}

rdar://problem/24449235


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__global__ functions are a special case in CUDA.

Even when the symbol would normally not be externally
visible according to C++ rules, they still must be visible
in CUDA GPU object so host-side stub can launch them.

Differential Revision: http://reviews.llvm.org/D19748

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This reverts commit r264813 / 6484b95d.

While using it in the shell is fine, this a problem when cc1as is
invoked directly by the driver because single quoting the clang full
version makes cc1as write out the version with the quotes in the final
binary.

If the user wants to copy-n-pastable output, it could use either -###
or CC_PRINT_OPTIONS=1 clang -v ...

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Before this change, we would pass all non-HFA record arguments on
Windows with byval. Byval often blocks optimizations and results in bad
code generation. Windows now uses the existing workaround that other
x86_32 platforms use.

I also expanded the workaround to handle C++ records with constructors
on Windows. On non-Windows platforms, we have to keep generating the
same LLVM IR prototypes if we want our bitcode to be ABI compatible.
Otherwise we will encounter mismatch issues like PR21573.

Essentially fixes PR27522 in Clang instead of LLVM.

Reviewers: hans

Differential Revision: http://reviews.llvm.org/D19756

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This follows the recent change in the wasm spec.

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Differential Revision: http://reviews.llvm.org/D17818


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Differential Revision: http://reviews.llvm.org/D19774


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Differential Revision: http://reviews.llvm.org/D19467



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Differential Revision: http://reviews.llvm.org/D19580




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Differential Revision: http://reviews.llvm.org/D19595



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This exposes the Clang API bindings clang_getChildDiagnostics (which returns a
CXDiagnosticSet) and clang_getNumDiagnosticsInSet / clang_getDiagnosticInSet (to
traverse the CXDiagnosticSet), and adds a helper children property in the Python
Diagnostic wrapper.

Also, this adds the missing OVERLOAD_CANDIDATE (700) cursor type.

Patch by Hanson Wang!

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r268127 is causing the PS4 bots to fail. Not sure what is causing it, but hopefully this will fix it.

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Differential Revision: http://reviews.llvm.org/D19749

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Summary:
Host and device types must match, otherwise when we pass values back and
forth between the host and device, we will get the wrong result.

This patch makes NVPTXTargetInfo inherit most of its type information
from the host's target info.

Reviewers: rsmith

Subscribers: cfe-commits, jhen, tra

Differential Revision: http://reviews.llvm.org/D19346

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In r268085 "[MS] Make #pragma pack use PragmaStack<> class." there was an
uninitialized variable 'Alignment', which caused the following failure:
  http://lab.llvm.org:8011/builders/sanitizer-ppc64be-linux/builds/1758
Zero-initialize the variable to fix this failure.


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r268127 broke some bots because it needs to specify a darwin target.

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Summary:
This patch adds a new driver warning -Wincompatible-sdk which notifies the user when they are mismatching the version min options and the sysroot.

The patch works by checking the sysroot (if present) for an SDK name, then matching that against the target platform. In the case of a mismatch it logs a warning.

Reviewers: bob.wilson, rsmith

Subscribers: rsmith, edward-san, cfe-commits

Differential Revision: http://reviews.llvm.org/D18088

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Add the ability to determine whether a format string argument is of a double type or not. This change is tested by clang-tidy in r268100.

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a selector, the entry should be complete, containing everything introduced by
that module and all modules it imports.

Before writing out the method pool of a module, we sync up the out of date
selectors by pulling in methods for the selectors, from all modules it imports.

In ReadMethodPool, after pulling in the method pool entry for module A, this
lets us skip the modules that module A imports.

rdar://problem/25900131


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