llvm-svn: 189482

Clang is now generating cleaner IR, so this removes the old variants which
should be completely unused.

llvm-svn: 189481

The vqdmlal and vqdmlls instructions are really just a fused pair consisting of
a vqdmull.sN and a vqadd.sN. This adds patterns to LLVM so that we can switch
Clang's CodeGen over to generating these instead of the special vqdmlal
intrinsics.

llvm-svn: 189480

llvm-svn: 189479

These intrinsics are legalized to V(ALL|ANY)_(NON)?ZERO nodes,
are matched as SN?Z_[BHWDV]_PSEUDO pseudo's, and emitted as
a branch/mov sequence to evaluate to 0 or 1.

Note: The resulting code is sub-optimal since it doesnt seem to be possible
to feed the result of an intrinsic directly into a brcond. At the moment
it uses (SETCC (VALL_ZERO $ws), 0, SETEQ) and similar which unnecessarily
evaluates the boolean twice.

llvm-svn: 189478

- factorize unistd.h and stdbool.h in lldb-types.h.
- Add <functional> and <string> where required.

llvm-svn: 189477

llvm-svn: 189476

llvm-svn: 189475

llvm-svn: 189474

llvm-svn: 189473

llvm-svn: 189472

llvm-svn: 189471

The change was taken from a patch by Virgile Bello.

llvm-svn: 189470

For now just handles simple comparisons of an ANDed value with zero.
The CC value provides enough information to do any comparison for a
2-bit mask, and some nonzero comparisons with more populated masks,
but that's all future work.

llvm-svn: 189469

The MSA control registers have been added as reserved registers,
and are only used via ISD::Copy(To|From)Reg. The intrinsics are lowered
into these nodes.

llvm-svn: 189468

[mips][msa] Added f[cs]af, f[cs]or, f[cs]ueq, f[cs]ul[et], f[cs]une, fsun, ftrunc_[su], hadd_[su], hsub_[su], sr[al]r, sr[al]ri

llvm-svn: 189467

Two changes:
* Don't add an extra penalty on breaking the same token multiple times.
  Generally, we should prefer not to break, but once we break, the
  normal line breaking penalties apply.
* Slightly increase the penalty for breaking comments. In general, the
  author has put some thought into how to break the comment and we
  should not overwrite this unnecessarily.

With a 40-column column limit, formatting
  aaaaaa("aaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaa");

Leads to:
Before:
  aaaaaa(
      "aaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaa "
      "aaaaaaaaaaaaaaaa");

After:
  aaaaaa("aaaaaaaaaaaaaaaa "
         "aaaaaaaaaaaaaaaa "
         "aaaaaaaaaaaaaaaa");

llvm-svn: 189466

Adds a comment to the start of each test summarizing the area the test covers.

llvm-svn: 189465

llvm-svn: 189464

These operations "vector add high-half narrow" actually correspond to the
sequence:

    %sum = add <4 x i32> %lhs, %rhs
    %high = lshr <4 x i32> %sum, <i32 16, i32 16, i32 16, i32 16>
    %res = trunc <4 x i32> %high to <4 x i16>

Now that LLVM can spot this, Clang should emit the corresponding LLVM IR.

llvm-svn: 189463

The NEON intrinsics vqdmlal and vqdmlsl are really just combinations of a
saturating-doubling-multiply (vqdmull) and a saturating add/sub, so now that
LLVM can spot those patterns Clang should emit them instead of specialised
intrinsics.

Feature already tested by existing ARM NEON intrinsics tests.

llvm-svn: 189462

llvm-svn: 189461

The code leading to a segfault was:
  #pragma omp threadprivate(y)), // long comment leading to a line break

This fixes llvm.org/PR16513.

llvm-svn: 189460

If escaped newlines are aligned right
(FormatStyle.AlignEscapedNewlinesLeft == false), and a line contained
too many characters to fit into the column limit, this would result in
a (virtually) endless loop creating a negative number of spaces.

Instead, allow the escaped newlines to be pushed past the column limit
in this case.

This fixes llvm.org/PR16515.

llvm-svn: 189459

This uses the infrastructure added for memcpy and memmove in r189331.

llvm-svn: 189458

[asan]: fix a CHECK failure in use-after-return mode; enable and fix stack-use-after-return.cc; add a test for UAR mode in asan_noinst_test 

llvm-svn: 189457

llvm-svn: 189456

Before:
  #if __has_include( <strstream>)
  #include <strstream>
  #endif

After:
  #if __has_include(<strstream>)
  #include <strstream>
  #endif

This fixes llvm.org/PR16516.

llvm-svn: 189455

llvm-svn: 189454

In
  @implementation ObjcClass
  - (void)method;
  {
  }
  @end
the ObjC compiler seems to accept the superfluous comma after "method",
but clang-format used to assert on the subsequent "{".

This fixes llvm.org/PR16604.

llvm-svn: 189453

Summary:
-fno-exceptions does not implicitly attach a nothrow specifier to every operator
new. Even in this mode, non-nothrow new must not return a null pointer. Failure
to allocate memory can be signalled by other means, or just by killing the
program. This behaviour is consistent with the compiler - even with
-fno-exceptions, the generated code never tests for null (and would segfault if
the opeator actually happened to return null).

Reviewers: jordan_rose

CC: cfe-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D1528

llvm-svn: 189452

Before:
  std::this_thread::sleep_for(std::chrono::nanoseconds{
    std::chrono::seconds { 1 }
  } /
                              5);

After:
  std::this_thread::sleep_for(
      std::chrono::nanoseconds{ std::chrono::seconds{ 1 } } / 5);

This fixes llvm.org/PR16554.

llvm-svn: 189451

Before:
  SomeLoooooooooooooooooooooooooogType operator>
      >(const SomeLooooooooooooooooooooooooogType &other);
  SomeLoooooooooooooooooooooooooogType // break
      operator>>(const SomeLooooooooooooooooooooooooogType &other);

After:
  SomeLoooooooooooooooooooooooooogType
  operator>>(const SomeLooooooooooooooooooooooooogType &other);
  SomeLoooooooooooooooooooooooooogType // break
  operator>>(const SomeLooooooooooooooooooooooooogType &other);

This fixes llvm.org/PR16328.

llvm-svn: 189450

Before:
  static constexpr bool Bar = decltype(bar()) ::value;

After:
  static constexpr bool Bar = decltype(bar())::value;

llvm-svn: 189449

llvm-svn: 189448

This is breaking numerous Clang tests on the buildbot.

llvm-svn: 189447

llvm-svn: 189446

llvm-svn: 189445

llvm-svn: 189444

[CMake] use combination of CMAKE_RUNTIME_OUTPUT_DIRECTORY and CMAKE_LIBRARY_OUTPUT_DIRECTORY to install clang headers for Xcode builds.

llvm-svn: 189443