Fix build with LLVM top-of-tree (various changes to clang entrypoints).
Merge pull request #405 from jbrodman/master

Tweaked Scalar Repl of Aggregates Optimization
Merge pull request #404 from mmp/master

Fix build with LLVM top-of-tree
knc.h: Fixed __rsqrt_varying_float() to use _mm512_invsqrt_ps() instead of _mm512_invsqrt_pd()
This was a typo.
Fix LLVM TOT build issue.
Merge pull request #406 from pengtu/master

Fix ISPC with LLVM TOT build problem
Expose none() in the ISPC standard library.
On KNC: all(), any() and none() do not generate a redundant movmsk instruction.