| Yaxun Liu | 0bc4b2d | 2016-07-28 19:26:30 +0000 | [diff] [blame^] | 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 | void fnc4smp(sampler_t s) {} |
| 24 | // CHECK: define spir_func void @fnc4smp(%opencl.sampler_t addrspace(2)* % |
| 25 | |
| 26 | kernel void foo(sampler_t smp_par) { |
| 27 | // CHECK-LABEL: define spir_kernel void @foo(%opencl.sampler_t addrspace(2)* %smp_par) |
| 28 | // CHECK: [[smp_par_ptr:%[A-Za-z0-9_\.]+]] = alloca %opencl.sampler_t addrspace(2)* |
| 29 | |
| 30 | // Case 2b |
| 31 | sampler_t smp = CLK_ADDRESS_CLAMP_TO_EDGE | CLK_NORMALIZED_COORDS_TRUE | CLK_FILTER_NEAREST; |
| 32 | // CHECK: [[smp_ptr:%[A-Za-z0-9_\.]+]] = alloca %opencl.sampler_t addrspace(2)* |
| 33 | // CHECK: [[SAMP:%[0-9]+]] = call %opencl.sampler_t addrspace(2)* @__translate_sampler_initializer(i32 19) |
| 34 | // CHECK: store %opencl.sampler_t addrspace(2)* [[SAMP]], %opencl.sampler_t addrspace(2)** [[smp_ptr]] |
| 35 | |
| 36 | // Case 1b |
| 37 | fnc4smp(smp); |
| 38 | // CHECK-NOT: call %opencl.sampler_t addrspace(2)* @__translate_sampler_initializer(i32 19) |
| 39 | // CHECK: [[SAMP:%[0-9]+]] = load %opencl.sampler_t addrspace(2)*, %opencl.sampler_t addrspace(2)** [[smp_ptr]] |
| 40 | // CHECK: call spir_func void @fnc4smp(%opencl.sampler_t addrspace(2)* [[SAMP]]) |
| 41 | |
| 42 | // Case 1b |
| 43 | fnc4smp(smp); |
| 44 | // CHECK-NOT: call %opencl.sampler_t addrspace(2)* @__translate_sampler_initializer(i32 19) |
| 45 | // CHECK: [[SAMP:%[0-9]+]] = load %opencl.sampler_t addrspace(2)*, %opencl.sampler_t addrspace(2)** [[smp_ptr]] |
| 46 | // CHECK: call spir_func void @fnc4smp(%opencl.sampler_t addrspace(2)* [[SAMP]]) |
| 47 | |
| 48 | // Case 1a |
| 49 | fnc4smp(glb_smp); |
| 50 | // CHECK: [[SAMP:%[0-9]+]] = call %opencl.sampler_t addrspace(2)* @__translate_sampler_initializer(i32 35) |
| 51 | // CHECK: call spir_func void @fnc4smp(%opencl.sampler_t addrspace(2)* [[SAMP]]) |
| 52 | |
| 53 | // Case 1c |
| 54 | fnc4smp(smp_par); |
| 55 | // CHECK: [[SAMP:%[0-9]+]] = load %opencl.sampler_t addrspace(2)*, %opencl.sampler_t addrspace(2)** [[smp_par_ptr]] |
| 56 | // CHECK: call spir_func void @fnc4smp(%opencl.sampler_t addrspace(2)* [[SAMP]]) |
| 57 | } |