| // RUN: %clang_cc1 -emit-llvm %s -fcuda-include-gpubinary %s -o - | FileCheck %s |
| |
| #include "Inputs/cuda.h" |
| |
| // Make sure that all parts of GPU code init/cleanup are there: |
| // * constant unnamed string with the kernel name |
| // CHECK: private unnamed_addr constant{{.*}}kernelfunc{{.*}}\00" |
| // * constant unnamed string with GPU binary |
| // CHECK: private unnamed_addr constant{{.*}}\00" |
| // * constant struct that wraps GPU binary |
| // CHECK: @__cuda_fatbin_wrapper = internal constant { i32, i32, i8*, i8* } |
| // CHECK: { i32 1180844977, i32 1, {{.*}}, i8* null } |
| // * variable to save GPU binary handle after initialization |
| // CHECK: @__cuda_gpubin_handle = internal global i8** null |
| // * Make sure our constructor/destructor was added to global ctor/dtor list. |
| // CHECK: @llvm.global_ctors = appending global {{.*}}@__cuda_module_ctor |
| // CHECK: @llvm.global_dtors = appending global {{.*}}@__cuda_module_dtor |
| |
| // Test that we build the correct number of calls to cudaSetupArgument followed |
| // by a call to cudaLaunch. |
| |
| // CHECK: define{{.*}}kernelfunc |
| // CHECK: call{{.*}}cudaSetupArgument |
| // CHECK: call{{.*}}cudaSetupArgument |
| // CHECK: call{{.*}}cudaSetupArgument |
| // CHECK: call{{.*}}cudaLaunch |
| __global__ void kernelfunc(int i, int j, int k) {} |
| |
| // Test that we've built correct kernel launch sequence. |
| // CHECK: define{{.*}}hostfunc |
| // CHECK: call{{.*}}cudaConfigureCall |
| // CHECK: call{{.*}}kernelfunc |
| void hostfunc(void) { kernelfunc<<<1, 1>>>(1, 1, 1); } |
| |
| // Test that we've built a function to register kernels |
| // CHECK: define internal void @__cuda_register_kernels |
| // CHECK: call{{.*}}cudaRegisterFunction(i8** %0, {{.*}}kernelfunc |
| |
| // Test that we've built contructor.. |
| // CHECK: define internal void @__cuda_module_ctor |
| // .. that calls __cudaRegisterFatBinary(&__cuda_fatbin_wrapper) |
| // CHECK: call{{.*}}cudaRegisterFatBinary{{.*}}__cuda_fatbin_wrapper |
| // .. stores return value in __cuda_gpubin_handle |
| // CHECK-NEXT: store{{.*}}__cuda_gpubin_handle |
| // .. and then calls __cuda_register_kernels |
| // CHECK-NEXT: call void @__cuda_register_kernels |
| |
| // Test that we've created destructor. |
| // CHECK: define internal void @__cuda_module_dtor |
| // CHECK: load{{.*}}__cuda_gpubin_handle |
| // CHECK-NEXT: call void @__cudaUnregisterFatBinary |
| |
