| // RUN: echo "GPU binary would be here" > %t |
| // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %s \ |
| // RUN: -target-sdk-version=8.0 -fcuda-include-gpubinary %t -o - \ |
| // RUN: | FileCheck -allow-deprecated-dag-overlap %s \ |
| // RUN: --check-prefixes=ALL,LNX,NORDC,CUDA,CUDANORDC,CUDA-OLD |
| // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %s \ |
| // RUN: -target-sdk-version=8.0 -fcuda-include-gpubinary %t \ |
| // RUN: -o - -DNOGLOBALS \ |
| // RUN: | FileCheck -allow-deprecated-dag-overlap %s \ |
| // RUN: -check-prefixes=NOGLOBALS,CUDANOGLOBALS |
| // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %s \ |
| // RUN: -target-sdk-version=8.0 -fgpu-rdc -fcuda-include-gpubinary %t \ |
| // RUN: -o - \ |
| // RUN: | FileCheck -allow-deprecated-dag-overlap %s \ |
| // RUN: --check-prefixes=ALL,LNX,RDC,CUDA,CUDARDC,CUDA-OLD |
| // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %s \ |
| // RUN: -target-sdk-version=8.0 -o - \ |
| // RUN: | FileCheck -allow-deprecated-dag-overlap %s -check-prefix=NOGPUBIN |
| |
| // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %s \ |
| // RUN: -target-sdk-version=9.2 -fcuda-include-gpubinary %t -o - \ |
| // RUN: | FileCheck %s -allow-deprecated-dag-overlap \ |
| // RUN: --check-prefixes=ALL,LNX,NORDC,CUDA,CUDANORDC,CUDA-NEW |
| // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %s \ |
| // RUN: -target-sdk-version=9.2 -fcuda-include-gpubinary %t -o - -DNOGLOBALS \ |
| // RUN: | FileCheck -allow-deprecated-dag-overlap %s \ |
| // RUN: --check-prefixes=NOGLOBALS,CUDANOGLOBALS |
| // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %s \ |
| // RUN: -target-sdk-version=9.2 -fgpu-rdc -fcuda-include-gpubinary %t -o - \ |
| // RUN: | FileCheck %s -allow-deprecated-dag-overlap \ |
| // RUN: --check-prefixes=ALL,LNX,RDC,CUDA,CUDARDC,CUDA_NEW |
| // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %s \ |
| // RUN: -target-sdk-version=9.2 -o - \ |
| // RUN: | FileCheck -allow-deprecated-dag-overlap %s -check-prefix=NOGPUBIN |
| |
| // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %s \ |
| // RUN: -fcuda-include-gpubinary %t -o - -x hip\ |
| // RUN: | FileCheck -allow-deprecated-dag-overlap %s --check-prefixes=ALL,LNX,NORDC,HIP,HIPEF |
| // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %s \ |
| // RUN: -fcuda-include-gpubinary %t -o - -DNOGLOBALS -x hip \ |
| // RUN: | FileCheck -allow-deprecated-dag-overlap %s -check-prefixes=NOGLOBALS,HIPNOGLOBALS |
| // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %s \ |
| // RUN: -fgpu-rdc -fcuda-include-gpubinary %t -o - -x hip \ |
| // RUN: | FileCheck -allow-deprecated-dag-overlap %s --check-prefixes=ALL,LNX,NORDC,HIP,HIPEF |
| // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %s -o - -x hip\ |
| // RUN: | FileCheck -allow-deprecated-dag-overlap %s -check-prefixes=ALL,LNX,NORDC,HIP,HIPNEF |
| |
| // RUN: %clang_cc1 -triple x86_64-pc-windows-msvc -aux-triple amdgcn -emit-llvm %s \ |
| // RUN: -fcuda-include-gpubinary %t -o - -x hip\ |
| // RUN: | FileCheck -allow-deprecated-dag-overlap %s --check-prefixes=ALL,WIN |
| |
| #include "Inputs/cuda.h" |
| |
| #ifndef NOGLOBALS |
| // LNX-DAG: @device_var = internal global i32 |
| // WIN-DAG: @"?device_var@@3HA" = internal global i32 |
| __device__ int device_var; |
| |
| // LNX-DAG: @constant_var = internal global i32 |
| // WIN-DAG: @"?constant_var@@3HA" = internal global i32 |
| __constant__ int constant_var; |
| |
| // LNX-DAG: @shared_var = internal global i32 |
| // WIN-DAG: @"?shared_var@@3HA" = internal global i32 |
| __shared__ int shared_var; |
| |
| // Make sure host globals don't get internalized... |
| // LNX-DAG: @host_var = global i32 |
| // WIN-DAG: @"?host_var@@3HA" = dso_local global i32 |
| int host_var; |
| // ... and that extern vars remain external. |
| // LNX-DAG: @ext_host_var = external global i32 |
| // WIN-DAG: @"?ext_host_var@@3HA" = external dso_local global i32 |
| extern int ext_host_var; |
| |
| // external device-side variables -> extern references to their shadows. |
| // LNX-DAG: @ext_device_var = external global i32 |
| // WIN-DAG: @"?ext_device_var@@3HA" = external dso_local global i32 |
| extern __device__ int ext_device_var; |
| // LNX-DAG: @ext_device_var = external global i32 |
| // WIN-DAG: @"?ext_constant_var@@3HA" = external dso_local global i32 |
| extern __constant__ int ext_constant_var; |
| |
| // external device-side variables with definitions should generate |
| // definitions for the shadows. |
| // LNX-DAG: @ext_device_var_def = internal global i32 undef, |
| // WIN-DAG: @"?ext_device_var_def@@3HA" = internal global i32 undef |
| extern __device__ int ext_device_var_def; |
| __device__ int ext_device_var_def = 1; |
| // LNX-DAG: @ext_device_var_def = internal global i32 undef, |
| // WIN-DAG: @"?ext_constant_var_def@@3HA" = internal global i32 undef |
| __constant__ int ext_constant_var_def = 2; |
| |
| |
| void use_pointers() { |
| int *p; |
| p = &device_var; |
| p = &constant_var; |
| p = &shared_var; |
| p = &host_var; |
| p = &ext_device_var; |
| p = &ext_constant_var; |
| p = &ext_host_var; |
| } |
| |
| // Make sure that all parts of GPU code init/cleanup are there: |
| // * constant unnamed string with the device-side kernel name to be passed to |
| // __hipRegisterFunction/__cudaRegisterFunction. |
| // ALL: @0 = private unnamed_addr constant [18 x i8] c"_Z10kernelfunciii\00" |
| // * constant unnamed string with the device-side kernel name to be passed to |
| // __hipRegisterVar/__cudaRegisterVar. |
| // ALL: @1 = private unnamed_addr constant [11 x i8] c"device_var\00" |
| // ALL: @2 = private unnamed_addr constant [13 x i8] c"constant_var\00" |
| // ALL: @3 = private unnamed_addr constant [19 x i8] c"ext_device_var_def\00" |
| // ALL: @4 = private unnamed_addr constant [21 x i8] c"ext_constant_var_def\00" |
| // * constant unnamed string with GPU binary |
| // CUDA: @[[FATBIN:.*]] = private constant{{.*GPU binary would be here.*}}\00", |
| // HIPEF: @[[FATBIN:.*]] = private constant{{.*GPU binary would be here.*}}\00", |
| // HIPNEF: @[[FATBIN:__hip_fatbin]] = external constant i8, section ".hip_fatbin" |
| // CUDANORDC-SAME: section ".nv_fatbin", align 8 |
| // CUDARDC-SAME: section "__nv_relfatbin", align 8 |
| // * constant struct that wraps GPU binary |
| // ALL: @__[[PREFIX:cuda|hip]]_fatbin_wrapper = internal constant |
| // LNX-SAME: { i32, i32, i8*, i8* } |
| // CUDA-SAME: { i32 1180844977, i32 1, |
| // HIP-SAME: { i32 1212764230, i32 1, |
| // CUDA-SAME: i8* getelementptr inbounds ({{.*}}@[[FATBIN]], i64 0, i64 0), |
| // HIPEF-SAME: i8* getelementptr inbounds ({{.*}}@[[FATBIN]], i64 0, i64 0), |
| // HIPNEF-SAME: i8* @[[FATBIN]], |
| // LNX-SAME: i8* null } |
| // CUDA-SAME: section ".nvFatBinSegment" |
| // HIP-SAME: section ".hipFatBinSegment" |
| // * variable to save GPU binary handle after initialization |
| // CUDANORDC: @__[[PREFIX]]_gpubin_handle = internal global i8** null |
| // HIPNEF: @__[[PREFIX]]_gpubin_handle = linkonce hidden global i8** null |
| // * constant unnamed string with NVModuleID |
| // RDC: [[MODULE_ID_GLOBAL:@.*]] = private constant |
| // CUDARDC-SAME: c"[[MODULE_ID:.+]]\00", section "__nv_module_id", align 32 |
| // * Make sure our constructor was added to global ctor list. |
| // LNX: @llvm.global_ctors = appending global {{.*}}@__[[PREFIX]]_module_ctor |
| // * Alias to global symbol containing the NVModuleID. |
| // RDC: @__fatbinwrap[[MODULE_ID]] = alias { i32, i32, i8*, i8* } |
| // RDC-SAME: { i32, i32, i8*, i8* }* @__[[PREFIX]]_fatbin_wrapper |
| |
| // Test that we build the correct number of calls to cudaSetupArgument followed |
| // by a call to cudaLaunch. |
| |
| // LNX: define{{.*}}kernelfunc |
| |
| // New launch sequence stores arguments into local buffer and passes array of |
| // pointers to them directly to cudaLaunchKernel |
| // CUDA-NEW: alloca |
| // CUDA-NEW: store |
| // CUDA-NEW: store |
| // CUDA-NEW: store |
| // CUDA-NEW: call{{.*}}__cudaPopCallConfiguration |
| // CUDA-NEW: call{{.*}}cudaLaunchKernel |
| |
| // Legacy style launch sequence sets up arguments by passing them to |
| // [cuda|hip]SetupArgument. |
| // CUDA-OLD: call{{.*}}[[PREFIX]]SetupArgument |
| // CUDA-OLD: call{{.*}}[[PREFIX]]SetupArgument |
| // CUDA-OLD: call{{.*}}[[PREFIX]]SetupArgument |
| // CUDA-OLD: call{{.*}}[[PREFIX]]Launch |
| |
| // HIP: call{{.*}}[[PREFIX]]SetupArgument |
| // HIP: call{{.*}}[[PREFIX]]SetupArgument |
| // HIP: call{{.*}}[[PREFIX]]SetupArgument |
| // HIP: call{{.*}}[[PREFIX]]Launch |
| __global__ void kernelfunc(int i, int j, int k) {} |
| |
| // Test that we've built correct kernel launch sequence. |
| // LNX: define{{.*}}hostfunc |
| // CUDA-OLD: call{{.*}}[[PREFIX]]ConfigureCall |
| // CUDA-NEW: call{{.*}}__cudaPushCallConfiguration |
| // HIP: call{{.*}}[[PREFIX]]ConfigureCall |
| // LNX: call{{.*}}kernelfunc |
| void hostfunc(void) { kernelfunc<<<1, 1>>>(1, 1, 1); } |
| #endif |
| |
| // Test that we've built a function to register kernels and global vars. |
| // ALL: define internal void @__[[PREFIX]]_register_globals |
| // ALL: call{{.*}}[[PREFIX]]RegisterFunction(i8** %0, {{.*}}kernelfunc{{[^,]*}}, {{[^@]*}}@0 |
| // ALL-DAG: call{{.*}}[[PREFIX]]RegisterVar(i8** %0, {{.*}}device_var{{[^,]*}}, {{[^@]*}}@1, {{.*}}i32 0, i32 4, i32 0, i32 0 |
| // ALL-DAG: call{{.*}}[[PREFIX]]RegisterVar(i8** %0, {{.*}}constant_var{{[^,]*}}, {{[^@]*}}@2, {{.*}}i32 0, i32 4, i32 1, i32 0 |
| // ALL-DAG: call{{.*}}[[PREFIX]]RegisterVar(i8** %0, {{.*}}ext_device_var_def{{[^,]*}}, {{[^@]*}}@3, {{.*}}i32 0, i32 4, i32 0, i32 0 |
| // ALL-DAG: call{{.*}}[[PREFIX]]RegisterVar(i8** %0, {{.*}}ext_constant_var_def{{[^,]*}}, {{[^@]*}}@4, {{.*}}i32 0, i32 4, i32 1, i32 0 |
| // ALL: ret void |
| |
| // Test that we've built a constructor. |
| // LNX: define internal void @__[[PREFIX]]_module_ctor |
| |
| // In separate mode it calls __[[PREFIX]]RegisterFatBinary(&__[[PREFIX]]_fatbin_wrapper) |
| // HIP only register fat binary once. |
| // HIP: load i8**, i8*** @__hip_gpubin_handle |
| // HIP-NEXT: icmp eq i8** {{.*}}, null |
| // HIP-NEXT: br i1 {{.*}}, label %if, label %exit |
| // HIP: if: |
| // NORDC: call{{.*}}[[PREFIX]]RegisterFatBinary{{.*}}__[[PREFIX]]_fatbin_wrapper |
| // .. stores return value in __[[PREFIX]]_gpubin_handle |
| // NORDC-NEXT: store{{.*}}__[[PREFIX]]_gpubin_handle |
| // .. and then calls __[[PREFIX]]_register_globals |
| // HIP-NEXT: br label %exit |
| // HIP: exit: |
| // HIP-NEXT: load i8**, i8*** @__hip_gpubin_handle |
| // NORDC-NEXT: call void @__[[PREFIX]]_register_globals |
| // * In separate mode we also register a destructor. |
| // NORDC-NEXT: call i32 @atexit(void (i8*)* @__[[PREFIX]]_module_dtor) |
| |
| // With relocatable device code we call __[[PREFIX]]RegisterLinkedBinary%NVModuleID% |
| // RDC: call{{.*}}__[[PREFIX]]RegisterLinkedBinary[[MODULE_ID]]( |
| // RDC-SAME: __[[PREFIX]]_register_globals, {{.*}}__[[PREFIX]]_fatbin_wrapper |
| // RDC-SAME: [[MODULE_ID_GLOBAL]] |
| |
| // Test that we've created destructor. |
| // NORDC: define internal void @__[[PREFIX]]_module_dtor |
| // NORDC: load{{.*}}__[[PREFIX]]_gpubin_handle |
| // CUDANORDC-NEXT: call void @__[[PREFIX]]UnregisterFatBinary |
| // HIP-NEXT: icmp ne i8** {{.*}}, null |
| // HIP-NEXT: br i1 {{.*}}, label %if, label %exit |
| // HIP: if: |
| // HIP-NEXT: call void @__[[PREFIX]]UnregisterFatBinary |
| // HIP-NEXT: store i8** null, i8*** @__hip_gpubin_handle |
| // HIP-NEXT: br label %exit |
| // HIP: exit: |
| |
| // There should be no __[[PREFIX]]_register_globals if we have no |
| // device-side globals, but we still need to register GPU binary. |
| // Skip GPU binary string first. |
| // CUDANOGLOBALS-NOT: @{{.*}} = private constant{{.*}} |
| // HIPNOGLOBALS-NOT: @{{.*}} = internal constant{{.*}} |
| // NOGLOBALS-NOT: define internal void @__{{.*}}_register_globals |
| // NOGLOBALS-NOT: define internal void @__[[PREFIX:cuda|hip]]_module_ctor |
| // NOGLOBALS-NOT: call{{.*}}[[PREFIX]]RegisterFatBinary{{.*}}__[[PREFIX]]_fatbin_wrapper |
| // NOGLOBALS-NOT: call void @__[[PREFIX]]_register_globals |
| // NOGLOBALS-NOT: define internal void @__[[PREFIX]]_module_dtor |
| // NOGLOBALS-NOT: call void @__[[PREFIX]]UnregisterFatBinary |
| |
| // There should be no constructors/destructors if we have no GPU binary. |
| // NOGPUBIN-NOT: define internal void @__[[PREFIX]]_register_globals |
| // NOGPUBIN-NOT: define internal void @__[[PREFIX]]_module_ctor |
| // NOGPUBIN-NOT: define internal void @__[[PREFIX]]_module_dtor |
