[x86] Enable broadwell target in clang.
Added -madx option


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@218116 91177308-0d34-0410-b5e6-96231b3b80d8
[x86] Added _addcarryx_u32, _addcarryx_u64 intrinsics


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@218117 91177308-0d34-0410-b5e6-96231b3b80d8
[x86] Add _addcarry_u{32|64} and _subborrow_u{32|64}.
They are added to adxintrin.h but outside __ADX__ block.
These intrinics generates adc and sbb correspondingly that were available before ADX
            


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@218118 91177308-0d34-0410-b5e6-96231b3b80d8
clang-format: [JS] add space before operator 'in'.

Before:
  return ('aaa')in bbbb;

After:
  return ('aaa') in bbbb;

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@218119 91177308-0d34-0410-b5e6-96231b3b80d8