llvm/clang/test/CodeGenCUDA/filter-decl.cu

// RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm %s -o - | FileCheck -check-prefix=CHECK-HOST %s
// RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm %s -o - -fcuda-is-device | FileCheck -check-prefix=CHECK-DEVICE %s

#include "Inputs/cuda.h"

// This has to be at the top of the file as that's where file-scope
// asm ends up.
// CHECK-HOST: module asm "file scope asm is host only"
// CHECK-DEVICE-NOT: module asm "file scope asm is host only"
__asm__("file scope asm is host only");

// CHECK-HOST: constantdata = internal global
// CHECK-DEVICE: constantdata = {{(dso_local )?}}externally_initialized constant
__constant__ char constantdata[256];

// CHECK-HOST: devicedata = internal global
// CHECK-DEVICE: devicedata = {{(dso_local )?}}externally_initialized global
__device__ char devicedata[256];

// CHECK-HOST: shareddata = internal global
// CHECK-DEVICE: shareddata = {{(dso_local )?}}global
__shared__ char shareddata[256];

// CHECK-HOST: hostdata = {{(dso_local )?}}global
// CHECK-DEVICE-NOT: hostdata = global
char hostdata[256];

// CHECK-HOST: define{{.*}}implicithostonlyfunc
// CHECK-DEVICE-NOT: define{{.*}}implicithostonlyfunc
void implicithostonlyfunc(void) {}

// CHECK-HOST: define{{.*}}explicithostonlyfunc
// CHECK-DEVICE-NOT: define{{.*}}explicithostonlyfunc
__host__ void explicithostonlyfunc(void) {}

// CHECK-HOST-NOT: define{{.*}}deviceonlyfunc
// CHECK-DEVICE: define{{.*}}deviceonlyfunc
__device__ void deviceonlyfunc(void) {}

// CHECK-HOST: define{{.*}}hostdevicefunc
// CHECK-DEVICE: define{{.*}}hostdevicefunc
__host__  __device__ void hostdevicefunc(void) {}

// CHECK-HOST: define{{.*}}globalfunc
// CHECK-DEVICE: define{{.*}}globalfunc
__global__ void globalfunc(void) {}