Index: cfe/trunk/lib/Basic/Targets.cpp
===================================================================
--- cfe/trunk/lib/Basic/Targets.cpp
+++ cfe/trunk/lib/Basic/Targets.cpp
@@ -5731,6 +5731,7 @@
                         .Case("cortex-a73", true)
                         .Case("cyclone", true)
                         .Case("kryo", true)
+                        .Case("vulcan", true)
                         .Default(false);
     return CPUKnown;
   }
Index: cfe/trunk/lib/Driver/Tools.cpp
===================================================================
--- cfe/trunk/lib/Driver/Tools.cpp
+++ cfe/trunk/lib/Driver/Tools.cpp
@@ -2352,7 +2352,7 @@
   CPU = Split.first;
   if (CPU == "cortex-a53" || CPU == "cortex-a57" ||
       CPU == "cortex-a72" || CPU == "cortex-a35" || CPU == "exynos-m1" ||
-      CPU == "kryo"       || CPU == "cortex-a73") {
+      CPU == "kryo"       || CPU == "cortex-a73" || CPU == "vulcan") {
     Features.push_back("+neon");
     Features.push_back("+crc");
     Features.push_back("+crypto");
Index: cfe/trunk/test/Driver/aarch64-cpus.c
===================================================================
--- cfe/trunk/test/Driver/aarch64-cpus.c
+++ cfe/trunk/test/Driver/aarch64-cpus.c
@@ -114,6 +114,20 @@
 // RUN: %clang -target arm64 -mlittle-endian -mtune=kryo -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-KRYO %s
 // ARM64-KRYO: "-cc1"{{.*}} "-triple" "arm64{{.*}}" "-target-cpu" "kryo"
 
+// RUN: %clang -target aarch64 -mcpu=vulcan -### -c %s 2>&1 | FileCheck -check-prefix=VULCAN %s
+// RUN: %clang -target aarch64 -mlittle-endian -mcpu=vulcan -### -c %s 2>&1 | FileCheck -check-prefix=VULCAN %s
+// RUN: %clang -target aarch64_be -mlittle-endian -mcpu=vulcan -### -c %s 2>&1 | FileCheck -check-prefix=VULCAN %s
+// RUN: %clang -target aarch64 -mtune=vulcan -### -c %s 2>&1 | FileCheck -check-prefix=VULCAN %s
+// RUN: %clang -target aarch64 -mlittle-endian -mtune=vulcan -### -c %s 2>&1 | FileCheck -check-prefix=VULCAN %s
+// RUN: %clang -target aarch64_be -mlittle-endian -mtune=vulcan -### -c %s 2>&1 | FileCheck -check-prefix=VULCAN %s
+// VULCAN: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "vulcan"
+
+// RUN: %clang -target arm64 -mcpu=vulcan -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-VULCAN %s
+// RUN: %clang -target arm64 -mlittle-endian -mcpu=vulcan -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-VULCAN %s
+// RUN: %clang -target arm64 -mtune=vulcan -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-VULCAN %s
+// RUN: %clang -target arm64 -mlittle-endian -mtune=vulcan -### -c %s 2>&1 | FileCheck -check-prefix=ARM64-VULCAN %s
+// ARM64-VULCAN: "-cc1"{{.*}} "-triple" "arm64{{.*}}" "-target-cpu" "vulcan"
+
 // RUN: %clang -target aarch64_be -### -c %s 2>&1 | FileCheck -check-prefix=GENERIC-BE %s
 // RUN: %clang -target aarch64 -mbig-endian -### -c %s 2>&1 | FileCheck -check-prefix=GENERIC-BE %s
 // RUN: %clang -target aarch64_be -mbig-endian -### -c %s 2>&1 | FileCheck -check-prefix=GENERIC-BE %s
@@ -167,11 +181,21 @@
 // RUN: %clang -target aarch64_be -mbig-endian -mtune=exynos-m1 -### -c %s 2>&1 | FileCheck -check-prefix=M1-BE %s
 // M1-BE: "-cc1"{{.*}} "-triple" "aarch64_be{{.*}}" "-target-cpu" "exynos-m1"
 
+// RUN: %clang -target aarch64_be -mcpu=vulcan -### -c %s 2>&1 | FileCheck -check-prefix=VULCAN-BE %s
+// RUN: %clang -target aarch64 -mbig-endian -mcpu=vulcan -### -c %s 2>&1 | FileCheck -check-prefix=VULCAN-BE %s
+// RUN: %clang -target aarch64_be -mbig-endian -mcpu=vulcan -### -c %s 2>&1 | FileCheck -check-prefix=VULCAN-BE %s
+// RUN: %clang -target aarch64_be -mtune=vulcan -### -c %s 2>&1 | FileCheck -check-prefix=VULCAN-BE %s
+// RUN: %clang -target aarch64 -mbig-endian -mtune=vulcan -### -c %s 2>&1 | FileCheck -check-prefix=VULCAN-BE %s
+// RUN: %clang -target aarch64_be -mbig-endian -mtune=vulcan -### -c %s 2>&1 | FileCheck -check-prefix=VULCAN-BE %s
+// VULCAN-BE: "-cc1"{{.*}} "-triple" "aarch64_be{{.*}}" "-target-cpu" "vulcan"
+
 // RUN: %clang -target aarch64 -mcpu=cortex-a57 -mtune=cortex-a53 -### -c %s 2>&1 | FileCheck -check-prefix=MCPU-MTUNE %s
 // RUN: %clang -target aarch64 -mtune=cortex-a53 -mcpu=cortex-a57  -### -c %s 2>&1 | FileCheck -check-prefix=MCPU-MTUNE %s
 // RUN: %clang -target aarch64 -mcpu=cortex-a72 -mtune=cortex-a53 -### -c %s 2>&1 | FileCheck -check-prefix=MCPU-MTUNE %s
 // RUN: %clang -target aarch64 -mtune=cortex-a53 -mcpu=cortex-a72  -### -c %s 2>&1 | FileCheck -check-prefix=MCPU-MTUNE %s
 // RUN: %clang -target aarch64 -mtune=cortex-a53 -mcpu=cortex-a73     -### -c %s 2>&1 | FileCheck -check-prefix=MCPU-MTUNE %s
+// RUN: %clang -target aarch64 -mcpu=vulcan -mtune=cortex-a53 -### -c %s 2>&1 | FileCheck -check-prefix=MCPU-MTUNE %s
+// RUN: %clang -target aarch64 -mtune=cortex-a53 -mcpu=vulcan  -### -c %s 2>&1 | FileCheck -check-prefix=MCPU-MTUNE %s
 // MCPU-MTUNE: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "cortex-a53"
 
 // RUN: %clang -target aarch64 -march=armv8.1a -### -c %s 2>&1 | FileCheck -check-prefix=GENERICV81A %s
Index: cfe/trunk/test/Preprocessor/aarch64-target-features.c
===================================================================
--- cfe/trunk/test/Preprocessor/aarch64-target-features.c
+++ cfe/trunk/test/Preprocessor/aarch64-target-features.c
@@ -95,6 +95,7 @@
 // RUN: %clang -target aarch64 -mcpu=cortex-a73 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-MCPU-CORTEX-A73 %s
 // RUN: %clang -target aarch64 -mcpu=exynos-m1 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-MCPU-M1 %s
 // RUN: %clang -target aarch64 -mcpu=kryo -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-MCPU-KRYO %s
+// RUN: %clang -target aarch64 -mcpu=vulcan -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-MCPU-VULCAN %s
 // CHECK-MCPU-CYCLONE: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-feature" "+neon" "-target-feature" "+crypto" "-target-feature" "+zcm" "-target-feature" "+zcz"
 // CHECK-MCPU-A35: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-feature" "+neon" "-target-feature" "+crc" "-target-feature" "+crypto"
 // CHECK-MCPU-A53: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-feature" "+neon" "-target-feature" "+crc" "-target-feature" "+crypto"
@@ -103,6 +104,7 @@
 // CHECK-MCPU-CORTEX-A73: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-feature" "+neon" "-target-feature" "+crc" "-target-feature" "+crypto"
 // CHECK-MCPU-M1: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-feature" "+neon" "-target-feature" "+crc" "-target-feature" "+crypto"
 // CHECK-MCPU-KRYO: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-feature" "+neon" "-target-feature" "+crc" "-target-feature" "+crypto"
+// CHECK-MCPU-VULCAN: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-feature" "+neon" "-target-feature" "+crc" "-target-feature" "+crypto"
 
 // RUN: %clang -target x86_64-apple-macosx -arch arm64 -### -c %s 2>&1 | FileCheck --check-prefix=CHECK-ARCH-ARM64 %s
 // CHECK-ARCH-ARM64: "-target-cpu" "cyclone" "-target-feature" "+neon" "-target-feature" "+crypto" "-target-feature" "+zcm" "-target-feature" "+zcz"