Index: lib/CodeGen/CodeGenFunction.cpp
===================================================================
--- lib/CodeGen/CodeGenFunction.cpp
+++ lib/CodeGen/CodeGenFunction.cpp
@@ -610,11 +610,6 @@
 
       argBaseTypeNames.push_back(llvm::MDString::get(Context, baseTypeName));
 
-      // Get argument type qualifiers:
-      if (ty.isConstQualified())
-        typeQuals = "const";
-      if (ty.isVolatileQualified())
-        typeQuals += typeQuals.empty() ? "volatile" : " volatile";
       if (isPipe)
         typeQuals = "pipe";
     }
Index: test/CodeGenOpenCL/kernel-arg-info.cl
===================================================================
--- test/CodeGenOpenCL/kernel-arg-info.cl
+++ test/CodeGenOpenCL/kernel-arg-info.cl
@@ -63,7 +63,7 @@
 // CHECK: ![[MD11]] = !{i32 1, i32 0, i32 0, i32 2}
 // CHECK: ![[MD12]] = !{!"none", !"none", !"none", !"none"}
 // CHECK: ![[MD13]] = !{!"int*", !"int", !"int", !"float*"}
-// CHECK: ![[MD14]] = !{!"restrict", !"const", !"volatile", !"restrict const"}
+// CHECK: ![[MD14]] = !{!"restrict", !"", !"", !"restrict const"}
 // ARGINFO: ![[MD15]] = !{!"X", !"Y", !"anotherArg", !"Z"}
 // CHECK: ![[MD21]] = !{i32 1, i32 1, i32 1, i32 1}
 // CHECK: ![[MD22]] = !{!"read_only", !"read_only", !"write_only", !"read_write"}