Index: cfe/trunk/include/clang/Basic/BuiltinsX86.def
===================================================================
--- cfe/trunk/include/clang/Basic/BuiltinsX86.def
+++ cfe/trunk/include/clang/Basic/BuiltinsX86.def
@@ -2177,6 +2177,14 @@
 TARGET_BUILTIN(__builtin_ia32_fpclasspd512_mask, "UcV8dIiUc","","avx512dq")
 TARGET_BUILTIN(__builtin_ia32_fpclasssd_mask, "UcV2dIiUc","","avx512dq")
 TARGET_BUILTIN(__builtin_ia32_fpclassss_mask, "UcV4fIiUc","","avx512dq")
+TARGET_BUILTIN(__builtin_ia32_kandhi, "UsUsUs","","avx512f")
+TARGET_BUILTIN(__builtin_ia32_kandnhi, "UsUsUs","","avx512f")
+TARGET_BUILTIN(__builtin_ia32_korhi, "UsUsUs","","avx512f")
+TARGET_BUILTIN(__builtin_ia32_kortestchi, "iUsUs","","avx512f")
+TARGET_BUILTIN(__builtin_ia32_kortestzhi, "iUsUs","","avx512f")
+TARGET_BUILTIN(__builtin_ia32_kunpckhi, "UsUsUs","","avx512f")
+TARGET_BUILTIN(__builtin_ia32_kxnorhi, "UsUsUs","","avx512f")
+TARGET_BUILTIN(__builtin_ia32_kxorhi, "UsUsUs","","avx512f")
 
 #undef BUILTIN
 #undef TARGET_BUILTIN
Index: cfe/trunk/lib/Headers/avx512fintrin.h
===================================================================
--- cfe/trunk/lib/Headers/avx512fintrin.h
+++ cfe/trunk/lib/Headers/avx512fintrin.h
@@ -7274,7 +7274,55 @@
                  __M);
 }
 
+static __inline__ __mmask16 __DEFAULT_FN_ATTRS
+_mm512_kand (__mmask16 __A, __mmask16 __B)
+{
+  return (__mmask16) __builtin_ia32_kandhi ((__mmask16) __A, (__mmask16) __B);
+}
+
+static __inline__ __mmask16 __DEFAULT_FN_ATTRS
+_mm512_kandn (__mmask16 __A, __mmask16 __B)
+{
+  return (__mmask16) __builtin_ia32_kandnhi ((__mmask16) __A, (__mmask16) __B);
+}
+
+static __inline__ __mmask16 __DEFAULT_FN_ATTRS
+_mm512_kor (__mmask16 __A, __mmask16 __B)
+{
+  return (__mmask16) __builtin_ia32_korhi ((__mmask16) __A, (__mmask16) __B);
+}
+
+static __inline__ int __DEFAULT_FN_ATTRS
+_mm512_kortestc (__mmask16 __A, __mmask16 __B)
+{
+  return (__mmask16) __builtin_ia32_kortestchi ((__mmask16) __A,
+            (__mmask16) __B);
+}
 
+static __inline__ int __DEFAULT_FN_ATTRS
+_mm512_kortestz (__mmask16 __A, __mmask16 __B)
+{
+  return (__mmask16) __builtin_ia32_kortestzhi ((__mmask16) __A,
+            (__mmask16) __B);
+}
+
+static __inline__ __mmask16 __DEFAULT_FN_ATTRS
+_mm512_kunpackb (__mmask16 __A, __mmask16 __B)
+{
+  return (__mmask16) __builtin_ia32_kunpckhi ((__mmask16) __A, (__mmask16) __B);
+}
+
+static __inline__ __mmask16 __DEFAULT_FN_ATTRS
+_mm512_kxnor (__mmask16 __A, __mmask16 __B)
+{
+  return (__mmask16) __builtin_ia32_kxnorhi ((__mmask16) __A, (__mmask16) __B);
+}
+
+static __inline__ __mmask16 __DEFAULT_FN_ATTRS
+_mm512_kxor (__mmask16 __A, __mmask16 __B)
+{
+  return (__mmask16) __builtin_ia32_kxorhi ((__mmask16) __A, (__mmask16) __B);
+}
 
 #undef __DEFAULT_FN_ATTRS
 
Index: cfe/trunk/test/CodeGen/avx512f-builtins.c
===================================================================
--- cfe/trunk/test/CodeGen/avx512f-builtins.c
+++ cfe/trunk/test/CodeGen/avx512f-builtins.c
@@ -5005,3 +5005,51 @@
   // CHECK: @llvm.x86.avx512.mask.permvar.si.512
   return _mm512_mask_permutexvar_epi32(__W, __M, __X, __Y); 
 }
+
+__mmask16 test_mm512_kand(__mmask16 __A, __mmask16 __B) {
+  // CHECK-LABEL: @test_mm512_kand
+  // CHECK: @llvm.x86.avx512.kand.w
+  return _mm512_kand(__A, __B); 
+}
+
+__mmask16 test_mm512_kandn(__mmask16 __A, __mmask16 __B) {
+  // CHECK-LABEL: @test_mm512_kandn
+  // CHECK: @llvm.x86.avx512.kandn.w
+  return _mm512_kandn(__A, __B); 
+}
+
+__mmask16 test_mm512_kor(__mmask16 __A, __mmask16 __B) {
+  // CHECK-LABEL: @test_mm512_kor
+  // CHECK: @llvm.x86.avx512.kor.w
+  return _mm512_kor(__A, __B); 
+}
+
+int test_mm512_kortestc(__mmask16 __A, __mmask16 __B) {
+  // CHECK-LABEL: @test_mm512_kortestc
+  // CHECK: @llvm.x86.avx512.kortestc.w
+  return _mm512_kortestc(__A, __B); 
+}
+
+int test_mm512_kortestz(__mmask16 __A, __mmask16 __B) {
+  // CHECK-LABEL: @test_mm512_kortestz
+  // CHECK: @llvm.x86.avx512.kortestz.w
+  return _mm512_kortestz(__A, __B); 
+}
+
+__mmask16 test_mm512_kunpackb(__mmask16 __A, __mmask16 __B) {
+  // CHECK-LABEL: @test_mm512_kunpackb
+  // CHECK: @llvm.x86.avx512.kunpck.bw
+  return _mm512_kunpackb(__A, __B); 
+}
+
+__mmask16 test_mm512_kxnor(__mmask16 __A, __mmask16 __B) {
+  // CHECK-LABEL: @test_mm512_kxnor
+  // CHECK: @llvm.x86.avx512.kxnor.w
+  return _mm512_kxnor(__A, __B); 
+}
+
+__mmask16 test_mm512_kxor(__mmask16 __A, __mmask16 __B) {
+  // CHECK-LABEL: @test_mm512_kxor
+  // CHECK: @llvm.x86.avx512.kxor.w
+  return _mm512_kxor(__A, __B); 
+}