clang/test/OpenMP/amdgcn_device_function_call.cpp

   1 // REQUIRES: amdgpu-registered-target
   2
   3 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -fopenmp-targets=amdgcn-amd-amdhsa -emit-llvm-bc %s -o %t-ppc-host.bc
   4 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple amdgcn-amd-amdhsa -fopenmp-targets=amdgcn-amd-amdhsa -emit-llvm %s -fopenmp-is-target-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck %s
   5 // RUN: llvm-dis < %t-ppc-host.bc | FileCheck %s -check-prefix=HOST
   6
   7 // device side declarations
   8 #pragma omp declare target
   9 extern "C" float cosf(float __x);
  10 #pragma omp end declare target
  11
  12 // host side declaration
  13 extern "C" float cosf(float __x);
  14
  15 void test_amdgcn_openmp_device(float __x) {
  16   // the default case where predefined library functions are treated as
  17   // builtins on the host
  18   // HOST: call float @llvm.cos.f32(float
  19   __x = cosf(__x);
  20
  21 #pragma omp target
  22   {
  23     // cosf should not be treated as builtin on device
  24     // CHECK-NOT: call float @llvm.cos.f32(float
  25     __x = cosf(__x);
  26   }
  27 }