1 files changed, 65 insertions, 0 deletions
diff --git a/test/CodeGenOpenCL/kernels-have-spir-cc-by-default.cl b/test/CodeGenOpenCL/kernels-have-spir-cc-by-default.cl
new file mode 100644
index 0000000000000..5bb52e9beb514
--- /dev/null
+++ b/test/CodeGenOpenCL/kernels-have-spir-cc-by-default.cl
@@ -0,0 +1,65 @@
+// RUN: %clang_cc1 %s -cl-std=CL1.2 -emit-llvm -triple x86_64-unknown-unknown -o - | FileCheck %s
+// RUN: %clang_cc1 %s -cl-std=CL1.2 -emit-llvm -triple amdgcn-unknown-unknown -o - | FileCheck -check-prefixes=AMDGCN %s
+// Test that the kernels always use the SPIR calling convention
+// to have unambiguous mapping of arguments to feasibly implement
+// clSetKernelArg().
+
+typedef struct int_single {
+    int a;
+} int_single;
+
+typedef struct int_pair {
+    long a;
+    long b;
+} int_pair;
+
+typedef struct test_struct {
+    int elementA;
+    int elementB;
+    long elementC;
+    char elementD;
+    long elementE;
+    float elementF;
+    short elementG;
+    double elementH;
+} test_struct;
+
+kernel void test_single(int_single input, global int* output) {
+// CHECK: spir_kernel
+// AMDGCN: define amdgpu_kernel void @test_single
+// CHECK: struct.int_single* byval nocapture
+// CHECK: i32* nocapture %output
+ output[0] = input.a;
+}
+
+kernel void test_pair(int_pair input, global int* output) {
+// CHECK: spir_kernel
+// AMDGCN: define amdgpu_kernel void @test_pair
+// CHECK: struct.int_pair* byval nocapture
+// CHECK: i32* nocapture %output
+ output[0] = (int)input.a;
+ output[1] = (int)input.b;
+}
+
+kernel void test_kernel(test_struct input, global int* output) {
+// CHECK: spir_kernel
+// AMDGCN: define amdgpu_kernel void @test_kernel
+// CHECK: struct.test_struct* byval nocapture
+// CHECK: i32* nocapture %output
+ output[0] = input.elementA;
+ output[1] = input.elementB;
+ output[2] = (int)input.elementC;
+ output[3] = (int)input.elementD;
+ output[4] = (int)input.elementE;
+ output[5] = (int)input.elementF;
+ output[6] = (int)input.elementG;
+ output[7] = (int)input.elementH;
+};
+
+void test_function(int_pair input, global int* output) {
+// CHECK-NOT: spir_kernel
+// AMDGCN-NOT: define amdgpu_kernel void @test_function
+// CHECK: i64 %input.coerce0, i64 %input.coerce1, i32* nocapture %output
+ output[0] = (int)input.a;
+ output[1] = (int)input.b;
+}