clang/test/Headers/nvptx_device_math_modf.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-target-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck %s
   4
   5 #include <cmath>
   6
   7 // 4 calls to modf(f), all translated to __nv_modf calls:
   8
   9 // CHECK-NOT: _Z.modf
  10 // CHECK: call noundef double @__nv_modf(double
  11 // CHECK-NOT: _Z.modf
  12 // CHECK: call noundef float @__nv_modff(float
  13 // CHECK-NOT: _Z.modf
  14 // CHECK: call noundef double @__nv_modf(double
  15 // CHECK-NOT: _Z.modf
  16 // CHECK: call noundef float @__nv_modff(float
  17 // CHECK-NOT: _Z.modf
  18
  19 template<typename T>
  20 void test_modf(T x)
  21 {
  22   T dx;
  23   int intx;
  24
  25   #pragma omp target map(from: intx, dx)
  26   {
  27     T ipart;
  28     dx = std::modf(x, &ipart);
  29     intx = static_cast<int>(ipart);
  30   }
  31 }
  32
  33 int main()
  34 {
  35
  36 #if !defined(C_ONLY)
  37   test_modf<double>(1.0);
  38   test_modf<float>(1.0);
  39 #endif
  40
  41   #pragma omp target
  42   {
  43     double intpart, res;
  44     res = modf(1.1, &intpart);
  45   }
  46
  47   #pragma omp target
  48   {
  49     float intpart, res;
  50     res = modff(1.1f, &intpart);
  51   }
  52
  53 }