diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp
index e78244d95c6c..3a80d0f2ac0a 100644
--- a/clang/lib/Basic/Targets.cpp
+++ b/clang/lib/Basic/Targets.cpp
@@ -1566,6 +1566,7 @@ public:
       .Case("kabini",   GK_SEA_ISLANDS)
       .Case("kaveri",   GK_SEA_ISLANDS)
       .Case("hawaii",   GK_SEA_ISLANDS)
+      .Case("mullins",  GK_SEA_ISLANDS)
       .Default(GK_NONE);
 
     if (GPU == GK_NONE) {
diff --git a/clang/test/Driver/r600-mcpu.cl b/clang/test/Driver/r600-mcpu.cl
index 7238ff4fbd20..47c018512bed 100644
--- a/clang/test/Driver/r600-mcpu.cl
+++ b/clang/test/Driver/r600-mcpu.cl
@@ -34,6 +34,7 @@
 // RUN: %clang -### -target r600 -x cl -S -emit-llvm -mcpu=kabini %s -o - 2>&1 | FileCheck --check-prefix=KABINI-CHECK %s
 // RUN: %clang -### -target r600 -x cl -S -emit-llvm -mcpu=kaveri %s -o - 2>&1 | FileCheck --check-prefix=KAVERI-CHECK %s
 // RUN: %clang -### -target r600 -x cl -S -emit-llvm -mcpu=hawaii %s -o - 2>&1 | FileCheck --check-prefix=HAWAII-CHECK %s
+// RUN: %clang -### -target r600 -x cl -S -emit-llvm -mcpu=mullins %s -o - 2>&1 | FileCheck --check-prefix=MULLINS-CHECK %s
 
 // R600-CHECK:  "-target-cpu" "r600"
 // RS880-CHECK: "-target-cpu" "rs880"
@@ -58,3 +59,4 @@
 // KABINI-CHECK: "-target-cpu" "kabini"
 // KAVERI-CHECK: "-target-cpu" "kaveri"
 // HAWAII-CHECK: "-target-cpu" "hawaii"
+// MULLINS-CHECK: "-target-cpu" "mullins"