Merge V8 5.3.332.45.  DO NOT MERGE

Test: Manual

FPIIM-449

Change-Id: Id3254828b068abdea3cb10442e0172a8c9a98e03
(cherry picked from commit 13e2dadd00298019ed862f2b2fc5068bba730bcf)
diff --git a/third_party/llvm-build/Release+Asserts/lib/clang/3.9.0/include/avx512vbmivlintrin.h b/third_party/llvm-build/Release+Asserts/lib/clang/3.9.0/include/avx512vbmivlintrin.h
index 04b7a47..5798969 100644
--- a/third_party/llvm-build/Release+Asserts/lib/clang/3.9.0/include/avx512vbmivlintrin.h
+++ b/third_party/llvm-build/Release+Asserts/lib/clang/3.9.0/include/avx512vbmivlintrin.h
@@ -126,6 +126,62 @@
                __U);
 }
 
+static __inline__ __m128i __DEFAULT_FN_ATTRS
+_mm_permutexvar_epi8 (__m128i __A, __m128i __B)
+{
+  return (__m128i) __builtin_ia32_permvarqi128_mask ((__v16qi) __B,
+                 (__v16qi) __A,
+                 (__v16qi) _mm_undefined_si128 (),
+                 (__mmask16) -1);
+}
+
+static __inline__ __m128i __DEFAULT_FN_ATTRS
+_mm_maskz_permutexvar_epi8 (__mmask16 __M, __m128i __A, __m128i __B)
+{
+  return (__m128i) __builtin_ia32_permvarqi128_mask ((__v16qi) __B,
+                 (__v16qi) __A,
+                 (__v16qi) _mm_setzero_si128 (),
+                 (__mmask16) __M);
+}
+
+static __inline__ __m128i __DEFAULT_FN_ATTRS
+_mm_mask_permutexvar_epi8 (__m128i __W, __mmask16 __M, __m128i __A,
+          __m128i __B)
+{
+  return (__m128i) __builtin_ia32_permvarqi128_mask ((__v16qi) __B,
+                 (__v16qi) __A,
+                 (__v16qi) __W,
+                 (__mmask16) __M);
+}
+
+static __inline__ __m256i __DEFAULT_FN_ATTRS
+_mm256_permutexvar_epi8 (__m256i __A, __m256i __B)
+{
+  return (__m256i) __builtin_ia32_permvarqi256_mask ((__v32qi) __B,
+                 (__v32qi) __A,
+                 (__v32qi) _mm256_undefined_si256 (),
+                 (__mmask32) -1);
+}
+
+static __inline__ __m256i __DEFAULT_FN_ATTRS
+_mm256_maskz_permutexvar_epi8 (__mmask32 __M, __m256i __A,
+        __m256i __B)
+{
+  return (__m256i) __builtin_ia32_permvarqi256_mask ((__v32qi) __B,
+                 (__v32qi) __A,
+                 (__v32qi) _mm256_setzero_si256 (),
+                 (__mmask32) __M);
+}
+
+static __inline__ __m256i __DEFAULT_FN_ATTRS
+_mm256_mask_permutexvar_epi8 (__m256i __W, __mmask32 __M, __m256i __A,
+             __m256i __B)
+{
+  return (__m256i) __builtin_ia32_permvarqi256_mask ((__v32qi) __B,
+                 (__v32qi) __A,
+                 (__v32qi) __W,
+                 (__mmask32) __M);
+}
 
 #undef __DEFAULT_FN_ATTRS