llvm/clang/test/OpenMP/amdgcn_device_function_call.cpp
Saiyedul Islam 602d9b0afc [OpenMP][AMDGCN] Support OpenMP offloading for AMDGCN architecture - Part 1
Summary:
Allow AMDGCN as a GPU offloading target for OpenMP during compiler
invocation and allow setting CUDAMode for it.

Originally authored by Greg Rodgers (@gregrodgers).

Reviewers: ronlieb, yaxunl, b-sumner, scchan, JonChesterfield, jdoerfert, sameerds, msearles, hliao, arsenm

Reviewed By: sameerds

Subscribers: sstefan1, jvesely, wdng, arsenm, guansong, dexonsmith, cfe-commits, llvm-commits, gregrodgers

Tags: #clang, #llvm

Differential Revision: https://reviews.llvm.org/D79754
2020-05-27 07:51:27 +00:00

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// REQUIRES: amdgpu-registered-target
// 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
// RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple amdgcn-amd-amdhsa -fopenmp-targets=amdgcn-amd-amdhsa -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck %s
// RUN: llvm-dis < %t-ppc-host.bc | FileCheck %s -check-prefix=HOST
// device side declarations
#pragma omp declare target
extern "C" float cosf(float __x);
#pragma omp end declare target
// host side declaration
extern "C" float cosf(float __x);
void test_amdgcn_openmp_device(float __x) {
// the default case where predefined library functions are treated as
// builtins on the host
// HOST: call float @llvm.cos.f32(float
__x = cosf(__x);
#pragma omp target
{
// cosf should not be treated as builtin on device
// CHECK-NOT: call float @llvm.cos.f32(float
__x = cosf(__x);
}
}