xref: /llvm-project/clang/test/CodeGenOpenCL/fdeclare-opencl-builtins.cl (revision 304f1d59ca41872c094def3aee0a8689df6aa398)
1// RUN: %clang_cc1 -emit-llvm -o - -O0 -triple spir-unknown-unknown -cl-std=CL1.2 -finclude-default-header %s \
2// RUN: | FileCheck %s --check-prefixes CHECK,CHECK-NOGAS
3// RUN: %clang_cc1 -emit-llvm -o - -O0 -triple spir-unknown-unknown -cl-std=CL1.2 -fdeclare-opencl-builtins -finclude-default-header %s \
4// RUN: | FileCheck %s --check-prefixes CHECK,CHECK-NOGAS
5// RUN: %clang_cc1 -emit-llvm -o - -O0 -triple spir-unknown-unknown -cl-std=CL3.0 -fdeclare-opencl-builtins -finclude-default-header %s \
6// RUN: | FileCheck %s --check-prefixes CHECK,CHECK-GAS
7// RUN: %clang_cc1 -emit-llvm -o - -O0 -triple spir-unknown-unknown -cl-std=CL3.0 -fdeclare-opencl-builtins -finclude-default-header \
8// RUN: -cl-ext=-__opencl_c_generic_address_space,-__opencl_c_pipes,-__opencl_c_device_enqueue %s \
9// RUN: | FileCheck %s --check-prefixes CHECK,CHECK-NOGAS
10
11// Test that mix is correctly defined.
12// CHECK-LABEL: @test_float
13// CHECK: call spir_func <4 x float> @_Z3mixDv4_fS_f
14// CHECK: ret
15void test_float(float4 x, float a) {
16  float4 ret = mix(x, x, a);
17}
18
19// Test that Attr.Const from OpenCLBuiltins.td is lowered to a readnone attribute.
20// CHECK-LABEL: @test_const_attr
21// CHECK: call spir_func i32 @_Z3maxii({{.*}}) [[ATTR_CONST:#[0-9]]]
22// CHECK: ret
23int test_const_attr(int a) {
24  return max(a, 2);
25}
26
27// Test that Attr.Pure from OpenCLBuiltins.td is lowered to a readonly attribute.
28// CHECK-LABEL: @test_pure_attr
29// CHECK: call spir_func <4 x float> @_Z11read_imagef{{.*}} [[ATTR_PURE:#[0-9]]]
30// CHECK: ret
31kernel void test_pure_attr(read_only image1d_t img) {
32  float4 resf = read_imagef(img, 42);
33}
34
35// Test that builtins with only one prototype are mangled.
36// CHECK-LABEL: @test_mangling
37// CHECK: call spir_func i32 @_Z12get_local_idj
38kernel void test_mangling() {
39  size_t lid = get_local_id(0);
40}
41
42// Test that the correct builtin is called depending on the generic address
43// space feature availability.
44// CHECK-LABEL: @test_generic_optionality
45// CHECK-GAS: call spir_func float @_Z5fractfPU3AS4f
46// CHECK-NOGAS: call spir_func float @_Z5fractfPf
47void test_generic_optionality(float a, float *b) {
48  float res = fract(a, b);
49}
50
51// CHECK: attributes [[ATTR_CONST]] =
52// CHECK-SAME: memory(none)
53// CHECK: attributes [[ATTR_PURE]] =
54// CHECK-SAME: memory(read)
55