clang/test/CodeGenOpenCL/kernels-have-spir-cc-by-default.cl

   1 // RUN: %clang_cc1 %s -cl-std=CL1.2 -emit-llvm -triple x86_64-unknown-unknown -o - | FileCheck %s
   2 // RUN: %clang_cc1 %s -cl-std=CL1.2 -emit-llvm -triple amdgcn-unknown-unknown -o - | FileCheck -check-prefixes=AMDGCN %s
   3 // Test that the kernels always use the SPIR calling convention
   4 // to have unambiguous mapping of arguments to feasibly implement
   5 // clSetKernelArg().
   6
   7 typedef struct int_single {
   8     int a;
   9 } int_single;
  10
  11 typedef struct int_pair {
  12     long a;
  13     long b;
  14 } int_pair;
  15
  16 typedef struct test_struct {
  17     int elementA;
  18     int elementB;
  19     long elementC;
  20     char elementD;
  21     long elementE;
  22     float elementF;
  23     short elementG;
  24     double elementH;
  25 } test_struct;
  26
  27 kernel void test_single(int_single input, global int* output) {
  28 // CHECK: spir_kernel
  29 // AMDGCN: define{{.*}} amdgpu_kernel void @test_single
  30 // CHECK: ptr nocapture {{.*}} byval(%struct.int_single)
  31 // CHECK: ptr nocapture noundef writeonly align 4 initializes((0, 4)) %output
  32  output[0] = input.a;
  33 }
  34
  35 kernel void test_pair(int_pair input, global int* output) {
  36 // CHECK: spir_kernel
  37 // AMDGCN: define{{.*}} amdgpu_kernel void @test_pair
  38 // CHECK: ptr nocapture {{.*}} byval(%struct.int_pair)
  39 // CHECK: ptr nocapture noundef writeonly align 4 initializes((0, 8)) %output
  40  output[0] = (int)input.a;
  41  output[1] = (int)input.b;
  42 }
  43
  44 kernel void test_kernel(test_struct input, global int* output) {
  45 // CHECK: spir_kernel
  46 // AMDGCN: define{{.*}} amdgpu_kernel void @test_kernel
  47 // CHECK: ptr nocapture {{.*}} byval(%struct.test_struct)
  48 // CHECK: ptr nocapture noundef writeonly align 4 initializes((0, 32)) %output
  49  output[0] = input.elementA;
  50  output[1] = input.elementB;
  51  output[2] = (int)input.elementC;
  52  output[3] = (int)input.elementD;
  53  output[4] = (int)input.elementE;
  54  output[5] = (int)input.elementF;
  55  output[6] = (int)input.elementG;
  56  output[7] = (int)input.elementH;
  57 };
  58
  59 void test_function(int_pair input, global int* output) {
  60 // CHECK-NOT: spir_kernel
  61 // AMDGCN-NOT: define{{.*}} amdgpu_kernel void @test_function
  62 // CHECK: i64 %input.coerce0, i64 %input.coerce1, ptr nocapture noundef writeonly initializes((0, 8)) %output
  63  output[0] = (int)input.a;
  64  output[1] = (int)input.b;
  65 }