[OpenCL] Add the lit test for image size which was omitted by r277647.

llvm-svn: 277756

diff --git a/clang/test/CodeGenOpenCL/cast_image.cl b/clang/test/CodeGenOpenCL/cast_image.cl
new file mode 100644 (file)
index 0000000..479404a
--- /dev/null
+++ b/clang/test/CodeGenOpenCL/cast_image.cl
@@ -0,0 +1,18 @@
+// RUN: %clang_cc1 -emit-llvm -o - -triple amdgcn--amdhsa %s | FileCheck --check-prefix=AMDGCN %s
+// RUN: %clang_cc1 -emit-llvm -o - -triple spir-unknown-unknown %s | FileCheck --check-prefix=SPIR %s
+
+#ifdef __AMDGCN__
+
+constant int* convert(image2d_t img) {
+  // AMDGCN: bitcast %opencl.image2d_ro_t addrspace(2)* %img to i32 addrspace(2)*
+  return __builtin_astype(img, constant int*);
+}
+
+#else
+
+global int* convert(image2d_t img) {
+  // SPIR: bitcast %opencl.image2d_ro_t addrspace(1)* %img to i32 addrspace(1)*
+  return __builtin_astype(img, global int*);
+}
+
+#endif