clang/test/Headers/nvptx_device_math_sin_cos.cpp

   1 // REQUIRES: nvptx-registered-target
   2 // RUN: %clang_cc1 -internal-isystem %S/Inputs/include -fopenmp -triple powerpc64le-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm-bc %s -o %t-ppc-host.bc
   3 // RUN: %clang_cc1 -internal-isystem %S/../../lib/Headers/openmp_wrappers -include __clang_openmp_device_functions.h -internal-isystem %S/Inputs/include -fopenmp -triple nvptx64-nvidia-cuda -aux-triple powerpc64le-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck %s
   4
   5 #include <cmath>
   6
   7 // 6 calls to sin/cos(f), all translated to __nv_sin/__nv_cos calls:
   8
   9 // CHECK-NOT: _Z.sin
  10 // CHECK-NOT: _Z.cos
  11 // CHECK: call double @__nv_sin(double
  12 // CHECK-NOT: _Z.sin
  13 // CHECK-NOT: _Z.cos
  14 // CHECK: call float @__nv_sinf(float
  15 // CHECK-NOT: _Z.sin
  16 // CHECK-NOT: _Z.cos
  17 // CHECK: call double @__nv_sin(double
  18 // CHECK-NOT: _Z.sin
  19 // CHECK-NOT: _Z.cos
  20 // CHECK: call double @__nv_cos(double
  21 // CHECK-NOT: _Z.sin
  22 // CHECK-NOT: _Z.cos
  23 // CHECK: call float @__nv_sinf(float
  24 // CHECK-NOT: _Z.sin
  25 // CHECK-NOT: _Z.cos
  26 // CHECK: call float @__nv_cosf(float
  27 // CHECK-NOT: _Z.sin
  28 // CHECK-NOT: _Z.cos
  29
  30 template<typename T>
  31 void test_sin_cos(T x)
  32 {
  33   T res_sin, res_cos;
  34
  35   #pragma omp target map(from: res_sin, res_cos)
  36   {
  37     res_sin = std::sin(x);
  38     res_cos = std::cos(x);
  39   }
  40 }
  41
  42 int main()
  43 {
  44
  45 #if !defined(C_ONLY)
  46   test_sin_cos<double>(0.0);
  47   test_sin_cos<float>(0.0);
  48 #endif
  49
  50   #pragma omp target
  51   {
  52     double res;
  53     res = sin(1.0);
  54   }
  55
  56   #pragma omp target
  57   {
  58     float res;
  59     res = sinf(1.0f);
  60   }
  61
  62   return 0;
  63 }