1 | // RUN: %clang_cc1 %s -emit-llvm -triple spir-unknown-unknown -o - -O0 | FileCheck %s |
2 | // |
3 | // This test covers 5 cases of sampler initialzation: |
4 | // 1. function argument passing |
5 | // 1a. argument is a file-scope variable |
6 | // 1b. argument is a function-scope variable |
7 | // 1c. argument is one of caller function's parameters |
8 | // 2. variable initialization |
9 | // 2a. initializing a file-scope variable |
10 | // 2b. initializing a function-scope variable |
11 | |
12 | #define CLK_ADDRESS_CLAMP_TO_EDGE 2 |
13 | #define CLK_NORMALIZED_COORDS_TRUE 1 |
14 | #define CLK_FILTER_NEAREST 0x10 |
15 | #define CLK_FILTER_LINEAR 0x20 |
16 | |
17 | // CHECK: %opencl.sampler_t = type opaque |
18 | |
19 | // Case 2a |
20 | constant sampler_t glb_smp = CLK_ADDRESS_CLAMP_TO_EDGE | CLK_NORMALIZED_COORDS_TRUE | CLK_FILTER_LINEAR; |
21 | // CHECK-NOT: glb_smp |
22 | |
23 | int get_sampler_initializer(void); |
24 | |
25 | void fnc4smp(sampler_t s) {} |
26 | // CHECK: define spir_func void @fnc4smp(%opencl.sampler_t addrspace(2)* % |
27 | |
28 | kernel void foo(sampler_t smp_par) { |
29 | // CHECK-LABEL: define spir_kernel void @foo(%opencl.sampler_t addrspace(2)* %smp_par) |
30 | // CHECK: [[smp_par_ptr:%[A-Za-z0-9_\.]+]] = alloca %opencl.sampler_t addrspace(2)* |
31 | |
32 | // Case 2b |
33 | sampler_t smp = CLK_ADDRESS_CLAMP_TO_EDGE | CLK_NORMALIZED_COORDS_TRUE | CLK_FILTER_NEAREST; |
34 | // CHECK: [[smp_ptr:%[A-Za-z0-9_\.]+]] = alloca %opencl.sampler_t addrspace(2)* |
35 | // CHECK: [[SAMP:%[0-9]+]] = call %opencl.sampler_t addrspace(2)* @__translate_sampler_initializer(i32 19) |
36 | // CHECK: store %opencl.sampler_t addrspace(2)* [[SAMP]], %opencl.sampler_t addrspace(2)** [[smp_ptr]] |
37 | |
38 | // Case 1b |
39 | fnc4smp(smp); |
40 | // CHECK-NOT: call %opencl.sampler_t addrspace(2)* @__translate_sampler_initializer(i32 19) |
41 | // CHECK: [[SAMP:%[0-9]+]] = load %opencl.sampler_t addrspace(2)*, %opencl.sampler_t addrspace(2)** [[smp_ptr]] |
42 | // CHECK: call spir_func void @fnc4smp(%opencl.sampler_t addrspace(2)* [[SAMP]]) |
43 | |
44 | // Case 1b |
45 | fnc4smp(smp); |
46 | // CHECK-NOT: call %opencl.sampler_t addrspace(2)* @__translate_sampler_initializer(i32 19) |
47 | // CHECK: [[SAMP:%[0-9]+]] = load %opencl.sampler_t addrspace(2)*, %opencl.sampler_t addrspace(2)** [[smp_ptr]] |
48 | // CHECK: call spir_func void @fnc4smp(%opencl.sampler_t addrspace(2)* [[SAMP]]) |
49 | |
50 | // Case 1a |
51 | fnc4smp(glb_smp); |
52 | // CHECK: [[SAMP:%[0-9]+]] = call %opencl.sampler_t addrspace(2)* @__translate_sampler_initializer(i32 35) |
53 | // CHECK: call spir_func void @fnc4smp(%opencl.sampler_t addrspace(2)* [[SAMP]]) |
54 | |
55 | // Case 1c |
56 | fnc4smp(smp_par); |
57 | // CHECK: [[SAMP:%[0-9]+]] = load %opencl.sampler_t addrspace(2)*, %opencl.sampler_t addrspace(2)** [[smp_par_ptr]] |
58 | // CHECK: call spir_func void @fnc4smp(%opencl.sampler_t addrspace(2)* [[SAMP]]) |
59 | |
60 | fnc4smp(5); |
61 | // CHECK: [[SAMP:%[0-9]+]] = call %opencl.sampler_t addrspace(2)* @__translate_sampler_initializer(i32 5) |
62 | // CHECK: call spir_func void @fnc4smp(%opencl.sampler_t addrspace(2)* [[SAMP]]) |
63 | |
64 | const sampler_t const_smp = CLK_ADDRESS_CLAMP_TO_EDGE | CLK_NORMALIZED_COORDS_TRUE | CLK_FILTER_LINEAR; |
65 | fnc4smp(const_smp); |
66 | // CHECK: [[CONST_SAMP:%[0-9]+]] = call %opencl.sampler_t addrspace(2)* @__translate_sampler_initializer(i32 35) |
67 | // CHECK: store %opencl.sampler_t addrspace(2)* [[CONST_SAMP]], %opencl.sampler_t addrspace(2)** [[CONST_SMP_PTR:%[a-zA-Z0-9]+]] |
68 | fnc4smp(const_smp); |
69 | // CHECK: [[SAMP:%[0-9]+]] = load %opencl.sampler_t addrspace(2)*, %opencl.sampler_t addrspace(2)** [[CONST_SMP_PTR]] |
70 | // CHECK: call spir_func void @fnc4smp(%opencl.sampler_t addrspace(2)* [[SAMP]]) |
71 | |
72 | constant sampler_t constant_smp = CLK_ADDRESS_CLAMP_TO_EDGE | CLK_NORMALIZED_COORDS_TRUE | CLK_FILTER_LINEAR; |
73 | fnc4smp(constant_smp); |
74 | // CHECK: [[SAMP:%[0-9]+]] = call %opencl.sampler_t addrspace(2)* @__translate_sampler_initializer(i32 35) |
75 | // CHECK: call spir_func void @fnc4smp(%opencl.sampler_t addrspace(2)* [[SAMP]]) |
76 | |
77 | // TODO: enable sampler initialization with non-constant integer. |
78 | //const sampler_t const_smp_func_init = get_sampler_initializer(); |
79 | } |
80 | |