diff --git a/clang/include/clang/Basic/BuiltinsPPC.def b/clang/include/clang/Basic/BuiltinsPPC.def
index 07d01388c882..eb502f5ddae9 100644
--- a/clang/include/clang/Basic/BuiltinsPPC.def
+++ b/clang/include/clang/Basic/BuiltinsPPC.def
@@ -293,6 +293,12 @@ BUILTIN(__builtin_altivec_vabsduw, "V4UiV4UiV4Ui", "")
 BUILTIN(__builtin_altivec_vslv, "V16UcV16UcV16Uc", "")
 BUILTIN(__builtin_altivec_vsrv, "V16UcV16UcV16Uc", "")
 
+// P9 Vector rotate built-ins
+BUILTIN(__builtin_altivec_vrlwmi, "V4UiV4UiV4UiV4Ui", "")
+BUILTIN(__builtin_altivec_vrldmi, "V2ULLiV2ULLiV2ULLiV2ULLi", "")
+BUILTIN(__builtin_altivec_vrlwnm, "V4UiV4UiV4Ui", "")
+BUILTIN(__builtin_altivec_vrldnm, "V2ULLiV2ULLiV2ULLi", "")
+
 // VSX built-ins.
 
 BUILTIN(__builtin_vsx_lxvd2x, "V2divC*", "")
@@ -390,6 +396,8 @@ BUILTIN(__builtin_vsx_xvcvsxdsp, "V4fV2SLLi", "")
 BUILTIN(__builtin_vsx_xvcvuxdsp, "V4fV2ULLi", "")
 BUILTIN(__builtin_vsx_xvcvdpsp, "V4fV2d", "")
 
+BUILTIN(__builtin_vsx_xvcvsphp, "V4fV4f", "")
+
 // HTM builtins
 BUILTIN(__builtin_tbegin, "UiUIi", "")
 BUILTIN(__builtin_tend, "UiUIi", "")
diff --git a/clang/lib/Headers/altivec.h b/clang/lib/Headers/altivec.h
index 68f79aa79b89..55617fb7b67f 100644
--- a/clang/lib/Headers/altivec.h
+++ b/clang/lib/Headers/altivec.h
@@ -4815,6 +4815,34 @@ vec_mergee(vector unsigned int __a, vector unsigned int __b) {
                                          0x18, 0x19, 0x1A, 0x1B));
 }
 
+static __inline__ vector bool long long __ATTRS_o_ai
+vec_mergee(vector bool long long __a, vector bool long long __b) {
+  return vec_mergeh(__a, __b);
+}
+
+static __inline__ vector signed long long __ATTRS_o_ai
+vec_mergee(vector signed long long __a, vector signed long long __b) {
+  return vec_mergeh(__a, __b);
+}
+
+static __inline__ vector unsigned long long __ATTRS_o_ai
+vec_mergee(vector unsigned long long __a, vector unsigned long long __b) {
+  return vec_mergeh(__a, __b);
+}
+
+static __inline__ vector float __ATTRS_o_ai
+vec_mergee(vector float __a, vector float __b) {
+  return vec_perm(__a, __b,
+                  (vector unsigned char)(0x00, 0x01, 0x02, 0x03, 0x10, 0x11,
+                                         0x12, 0x13, 0x08, 0x09, 0x0A, 0x0B,
+                                         0x18, 0x19, 0x1A, 0x1B));
+}
+
+static __inline__ vector double __ATTRS_o_ai
+vec_mergee(vector double __a, vector double __b) {
+  return vec_mergeh(__a, __b);
+}
+
 /* vec_mergeo */
 
 static __inline__ vector bool int __ATTRS_o_ai vec_mergeo(vector bool int __a,
@@ -4841,6 +4869,34 @@ vec_mergeo(vector unsigned int __a, vector unsigned int __b) {
                                          0x1C, 0x1D, 0x1E, 0x1F));
 }
 
+static __inline__ vector bool long long __ATTRS_o_ai
+vec_mergeo(vector bool long long __a, vector bool long long __b) {
+  return vec_mergel(__a, __b);
+}
+
+static __inline__ vector signed long long __ATTRS_o_ai
+vec_mergeo(vector signed long long __a, vector signed long long __b) {
+  return vec_mergel(__a, __b);
+}
+
+static __inline__ vector unsigned long long __ATTRS_o_ai
+vec_mergeo(vector unsigned long long __a, vector unsigned long long __b) {
+  return vec_mergel(__a, __b);
+}
+
+static __inline__ vector float __ATTRS_o_ai
+vec_mergeo(vector float __a, vector float __b) {
+  return vec_perm(__a, __b,
+                  (vector unsigned char)(0x04, 0x05, 0x06, 0x07, 0x14, 0x15,
+                                         0x16, 0x17, 0x0C, 0x0D, 0x0E, 0x0F,
+                                         0x1C, 0x1D, 0x1E, 0x1F));
+}
+
+static __inline__ vector double __ATTRS_o_ai
+vec_mergeo(vector double __a, vector double __b) {
+  return vec_mergel(__a, __b);
+}
+
 #endif
 
 /* vec_mfvscr */
@@ -6548,8 +6604,25 @@ vec_pack(vector bool long long __a, vector bool long long __b) {
 #endif
 }
 
+static __inline__ vector float __ATTRS_o_ai
+vec_pack(vector double __a, vector double __b) {
+  return (vector float) (__a[0], __a[1], __b[0], __b[1]);
+}
 #endif
 
+#ifdef __POWER9_VECTOR__
+static __inline__ vector unsigned short __ATTRS_o_ai
+vec_pack_to_short_fp32(vector float __a, vector float __b) {
+  vector float __resa = __builtin_vsx_xvcvsphp(__a);
+  vector float __resb = __builtin_vsx_xvcvsphp(__b);
+#ifdef __LITTLE_ENDIAN__
+  return (vector unsigned short)vec_mergee(__resa, __resb);
+#else
+  return (vector unsigned short)vec_mergeo(__resa, __resb);
+#endif
+}
+
+#endif
 /* vec_vpkuhum */
 
 #define __builtin_altivec_vpkuhum vec_vpkuhum
@@ -7336,6 +7409,34 @@ vec_rl(vector unsigned long long __a, vector unsigned long long __b) {
 }
 #endif
 
+/* vec_rlmi */
+#ifdef __POWER9_VECTOR__
+static __inline__ vector unsigned int __ATTRS_o_ai
+vec_rlmi(vector unsigned int __a, vector unsigned int __b,
+         vector unsigned int __c) {
+  return __builtin_altivec_vrlwmi(__a, __c, __b);
+}
+
+static __inline__ vector unsigned long long __ATTRS_o_ai
+vec_rlmi(vector unsigned long long __a, vector unsigned long long __b,
+         vector unsigned long long __c) {
+  return __builtin_altivec_vrldmi(__a, __c, __b);
+}
+
+/* vec_rlnm */
+static __inline__ vector unsigned int __ATTRS_o_ai
+vec_rlnm(vector unsigned int __a, vector unsigned int __b,
+         vector unsigned int __c) {
+  return __builtin_altivec_vrlwnm(__a, __b) & __c;
+}
+
+static __inline__ vector unsigned long long __ATTRS_o_ai
+vec_rlnm(vector unsigned long long __a, vector unsigned long long __b,
+         vector unsigned long long __c) {
+  return __builtin_altivec_vrldnm(__a, __b) & __c;
+}
+#endif
+
 /* vec_vrlb */
 
 static __inline__ vector signed char __ATTRS_o_ai
@@ -11282,6 +11383,11 @@ vec_unpackh(vector bool int __a) {
   return (vector bool long long)__builtin_altivec_vupkhsw((vector int)__a);
 #endif
 }
+
+static __inline__ vector double __ATTRS_o_ai
+vec_unpackh(vector float __a) {
+  return (vector double)(__a[0], __a[1]);
+}
 #endif
 
 /* vec_vupkhsb */
@@ -11416,6 +11522,11 @@ vec_unpackl(vector bool int __a) {
   return (vector bool long long)__builtin_altivec_vupklsw((vector int)__a);
 #endif
 }
+
+static __inline__ vector double __ATTRS_o_ai
+vec_unpackl(vector float __a) {
+  return (vector double)(__a[2], __a[3]);
+}
 #endif
 
 /* vec_vupklsb */
@@ -15600,6 +15711,24 @@ __builtin_crypto_vncipherlast(vector unsigned long long __a,
 #endif
 
 #ifdef __POWER8_VECTOR__
+static __inline__ vector bool char __ATTRS_o_ai
+vec_permxor(vector bool char __a, vector bool char __b,
+            vector bool char __c) {
+  return __builtin_altivec_crypto_vpermxor(__a, __b, __c);
+}
+
+static __inline__ vector signed char __ATTRS_o_ai
+vec_permxor(vector signed char __a, vector signed char __b,
+            vector signed char __c) {
+  return __builtin_altivec_crypto_vpermxor(__a, __b, __c);
+}
+
+static __inline__ vector unsigned char __ATTRS_o_ai
+vec_permxor(vector unsigned char __a, vector unsigned char __b,
+            vector unsigned char __c) {
+  return __builtin_altivec_crypto_vpermxor(__a, __b, __c);
+}
+
 static __inline__ vector unsigned char __ATTRS_o_ai
 __builtin_crypto_vpermxor(vector unsigned char __a, vector unsigned char __b,
                           vector unsigned char __c) {
diff --git a/clang/test/CodeGen/builtins-ppc-crypto.c b/clang/test/CodeGen/builtins-ppc-crypto.c
index 60bdc4982d92..eaf568b09fb9 100644
--- a/clang/test/CodeGen/builtins-ppc-crypto.c
+++ b/clang/test/CodeGen/builtins-ppc-crypto.c
@@ -108,6 +108,30 @@ vector unsigned long long test_vpermxord(void)
 // CHECK: @llvm.ppc.altivec.crypto.vpermxor
 }
 
+// CHECK-LABEL: test_vpermxorbc
+vector bool char test_vpermxorbc(vector bool char a,
+                                vector bool char b,
+                                vector bool char c) {
+  return vec_permxor(a, b, c);
+// CHECK: @llvm.ppc.altivec.crypto.vpermxor
+}
+
+// CHECK-LABEL: test_vpermxorsc
+vector signed char test_vpermxorsc(vector signed char a,
+                                   vector signed char b,
+                                   vector signed char c) {
+  return vec_permxor(a, b, c);
+// CHECK: @llvm.ppc.altivec.crypto.vpermxor
+}
+
+// CHECK-LABEL: test_vpermxoruc
+vector unsigned char test_vpermxoruc(vector unsigned char a,
+                                     vector unsigned char b,
+                                     vector unsigned char c) {
+  return vec_permxor(a, b, c);
+// CHECK: @llvm.ppc.altivec.crypto.vpermxor
+}
+
 // CHECK-LABEL: define <2 x i64> @test_vcipher
 vector unsigned long long test_vcipher(void)
 {
diff --git a/clang/test/CodeGen/builtins-ppc-p8vector.c b/clang/test/CodeGen/builtins-ppc-p8vector.c
index 6271a1c1a855..5e16825ac7da 100644
--- a/clang/test/CodeGen/builtins-ppc-p8vector.c
+++ b/clang/test/CodeGen/builtins-ppc-p8vector.c
@@ -136,6 +136,26 @@ void test1() {
 // CHECK-LE: @llvm.ppc.altivec.vperm
 // CHECK-PPC: warning: implicit declaration of function 'vec_mergee'
 
+  res_vbll = vec_mergee(vbll, vbll);
+// CHECK: @llvm.ppc.altivec.vperm
+// CHECK-LE: @llvm.ppc.altivec.vperm
+
+  res_vsll = vec_mergee(vsll, vsll);
+// CHECK: @llvm.ppc.altivec.vperm
+// CHECK-LE: @llvm.ppc.altivec.vperm
+
+  res_vull = vec_mergee(vull, vull);
+// CHECK: @llvm.ppc.altivec.vperm
+// CHECK-LE: @llvm.ppc.altivec.vperm
+
+  res_vf = vec_mergee(vfa, vfa);
+// CHECK: @llvm.ppc.altivec.vperm
+// CHECK-LE: @llvm.ppc.altivec.vperm
+
+  res_vd = vec_mergee(vda, vda);
+// CHECK: @llvm.ppc.altivec.vperm
+// CHECK-LE: @llvm.ppc.altivec.vperm
+
   /* vec_mergeo */
   res_vbi = vec_mergeo(vbi, vbi);
 // CHECK: @llvm.ppc.altivec.vperm
diff --git a/clang/test/CodeGen/builtins-ppc-p9vector.c b/clang/test/CodeGen/builtins-ppc-p9vector.c
index 32c84f1c7f4a..5e942a38f671 100644
--- a/clang/test/CodeGen/builtins-ppc-p9vector.c
+++ b/clang/test/CodeGen/builtins-ppc-p9vector.c
@@ -827,4 +827,101 @@ vector unsigned char test73(void) {
 // CHECK-NEXT: ret <16 x i8>
   return vec_srv (vuca, vucb);
 }
-
+vector unsigned short test74(void) {
+// CHECK-BE: @llvm.ppc.vsx.xvcvsphp(<4 x float>
+// CHECK-BE: @llvm.ppc.vsx.xvcvsphp(<4 x float>
+// CHECK-BE: @llvm.ppc.altivec.vperm
+// CHECK: @llvm.ppc.vsx.xvcvsphp(<4 x float>
+// CHECK: @llvm.ppc.vsx.xvcvsphp(<4 x float>
+// CHECK: @llvm.ppc.altivec.vperm
+  return vec_pack_to_short_fp32(vfa, vfb);
+}
+vector unsigned int test75(void) {
+// CHECK-BE: @llvm.ppc.altivec.vrlwmi(<4 x i32
+// CHECK-BE-NEXT: ret <4 x i32>
+// CHECK: @llvm.ppc.altivec.vrlwmi(<4 x i32
+// CHECK-NEXT: ret <4 x i32>
+  return vec_rlmi(vuia, vuia, vuia);
+}
+vector unsigned long long test76(void) {
+// CHECK-BE: @llvm.ppc.altivec.vrldmi(<2 x i64
+// CHECK-BE-NEXT: ret <2 x i64>
+// CHECK: @llvm.ppc.altivec.vrldmi(<2 x i64
+// CHECK-NEXT: ret <2 x i64>
+  return vec_rlmi(vula, vula, vula);
+}
+vector unsigned int test77(void) {
+// CHECK-BE: @llvm.ppc.altivec.vrlwnm(<4 x i32
+// CHECK-BE: and <4 x i32
+// CHECK-BE: ret <4 x i32>
+// CHECK: @llvm.ppc.altivec.vrlwnm(<4 x i32
+// CHECK: and <4 x i32
+// CHECK: ret <4 x i32>
+  return vec_rlnm(vuia, vuia, vuia);
+}
+vector unsigned long long test78(void) {
+// CHECK-BE: @llvm.ppc.altivec.vrldnm(<2 x i64
+// CHECK-BE: and <2 x i64
+// CHECK-BE-NEXT: ret <2 x i64>
+// CHECK: @llvm.ppc.altivec.vrldnm(<2 x i64
+// CHECK: and <2 x i64
+// CHECK-NEXT: ret <2 x i64>
+  return vec_rlnm(vula, vula, vula);
+}
+vector double test79(void) {
+// CHECK-BE: extractelement <4 x float>
+// CHECK-BE: fpext float
+// CHECK-BE: insertelement <2 x double>
+// CHECK-BE: extractelement <4 x float>
+// CHECK-BE: fpext float
+// CHECK-BE: insertelement <2 x double>
+// CHECK: extractelement <4 x float>
+// CHECK: fpext float
+// CHECK: insertelement <2 x double>
+// CHECK: extractelement <4 x float>
+// CHECK: fpext float
+// CHECK: insertelement <2 x double>
+  return vec_unpackh(vfa);
+}
+vector double test80(void) {
+// CHECK-BE: extractelement <4 x float>
+// CHECK-BE: fpext float
+// CHECK-BE: insertelement <2 x double>
+// CHECK-BE: extractelement <4 x float>
+// CHECK-BE: fpext float
+// CHECK-BE: insertelement <2 x double>
+// CHECK: extractelement <4 x float>
+// CHECK: fpext float
+// CHECK: insertelement <2 x double>
+// CHECK: extractelement <4 x float>
+// CHECK: fpext float
+// CHECK: insertelement <2 x double>
+  return vec_unpackl(vfa);
+}
+vector double test81(void) {
+  // CHECK: extractelement <2 x double>
+  // CHECK: fptrunc double
+  // CHECK: insertelement <4 x float>
+  // CHECK: extractelement <2 x double>
+  // CHECK: fptrunc double
+  // CHECK: insertelement <4 x float>
+  // CHECK: extractelement <2 x double>
+  // CHECK: fptrunc double
+  // CHECK: insertelement <4 x float>
+  // CHECK: extractelement <2 x double>
+  // CHECK: fptrunc double
+  // CHECK: insertelement <4 x float>
+  // CHECK-LE: extractelement <2 x double>
+  // CHECK-LE: fptrunc double
+  // CHECK-LE: insertelement <4 x float>
+  // CHECK-LE: extractelement <2 x double>
+  // CHECK-LE: fptrunc double
+  // CHECK-LE: insertelement <4 x float>
+  // CHECK-LE: extractelement <2 x double>
+  // CHECK-LE: fptrunc double
+  // CHECK-LE: insertelement <4 x float>
+  // CHECK-LE: extractelement <2 x double>
+  // CHECK-LE: fptrunc double
+  // CHECK-LE: insertelement <4 x float>
+  return vec_pack(vda, vdb);
+}