Generate metadata to implement the -cl-kernel-arg-info option.
OpenCL 1.2 spec. 5.7.3.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177839 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenOpenCL/kernel-arg-info.cl b/test/CodeGenOpenCL/kernel-arg-info.cl
index 7e35a33..c7e2049 100644
--- a/test/CodeGenOpenCL/kernel-arg-info.cl
+++ b/test/CodeGenOpenCL/kernel-arg-info.cl
@@ -1,7 +1,20 @@
-// RUN: %clang_cc1 %s -cl-kernel-arg-info -emit-llvm -o - | FileCheck %s
+// RUN: %clang_cc1 %s -cl-kernel-arg-info -emit-llvm -o - -triple spir-unknown-unknown | FileCheck %s
 
-kernel void foo(global int *X, int Y, int anotherArg) {
+kernel void foo(__global int * restrict X, const int Y, 
+                volatile int anotherArg, __constant float * restrict Z) {
   *X = Y + anotherArg;
 }
 
-// CHECK: metadata !{metadata !"kernel_arg_name", metadata !"X", metadata !"Y", metadata !"anotherArg"}
+// CHECK: metadata !{metadata !"kernel_arg_addr_space", i32 1, i32 0, i32 0, i32 2}
+// CHECK: metadata !{metadata !"kernel_arg_access_qual", metadata !"none", metadata !"none", metadata !"none", metadata !"none"}
+// CHECK: metadata !{metadata !"kernel_arg_type", metadata !"int*", metadata !"int", metadata !"int", metadata !"float*"}
+// CHECK: metadata !{metadata !"kernel_arg_type_qual", metadata !"restrict", metadata !"const", metadata !"volatile", metadata !"restrict const"}
+// CHECK: metadata !{metadata !"kernel_arg_name", metadata !"X", metadata !"Y", metadata !"anotherArg", metadata !"Z"}
+
+kernel void foo2(read_only image1d_t img1, image2d_t img2, write_only image2d_array_t img3) {
+}
+// CHECK: metadata !{metadata !"kernel_arg_addr_space", i32 0, i32 0, i32 0}
+// CHECK: metadata !{metadata !"kernel_arg_access_qual", metadata !"read_only", metadata !"read_only", metadata !"write_only"}
+// CHECK: metadata !{metadata !"kernel_arg_type", metadata !"image1d_t", metadata !"image2d_t", metadata !"image2d_array_t"}
+// CHECK: metadata !{metadata !"kernel_arg_type_qual", metadata !"", metadata !"", metadata !""}
+// CHECK: metadata !{metadata !"kernel_arg_name", metadata !"img1", metadata !"img2", metadata !"img3"}