clang/test/OpenMP/metadirective_device_isa_codegen_amdgcn.cpp

   1 // REQUIRES: amdgpu-registered-target
   2
   3 // RUN: %clang_cc1 -fopenmp -x c++ -w -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++ -w -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 -target-cpu gfx906 -o - | FileCheck %s
   5 // expected-no-diagnostics
   6
   7 #ifndef HEADER
   8 #define HEADER
   9
  10 int amdgcn_device_isa_selected() {
  11   int threadCount = 0;
  12
  13 #pragma omp target map(tofrom \
  14                        : threadCount)
  15   {
  16 #pragma omp metadirective                     \
  17     when(device = {isa("dpp")} \
  18          : parallel) default(single)
  19     threadCount++;
  20   }
  21
  22   return threadCount;
  23 }
  24
  25 // CHECK: define weak_odr protected amdgpu_kernel void @__omp_offloading_{{.*}}amdgcn_device_isa_selected
  26 // CHECK: user_code.entry:
  27 // CHECK: call void @__kmpc_parallel_51
  28 // CHECK-NOT: call i32 @__kmpc_single
  29 // CHECK: ret void
  30
  31 int amdgcn_device_isa_not_selected() {
  32   int threadCount = 0;
  33
  34 #pragma omp target map(tofrom \
  35                        : threadCount)
  36   {
  37 #pragma omp metadirective                                      \
  38     when(device = {isa("sse")}                                 \
  39          : parallel)                                           \
  40         when(device = {isa("another-unsupported-gpu-feature")} \
  41              : parallel) default(single)
  42     threadCount++;
  43   }
  44
  45   return threadCount;
  46 }
  47 // CHECK: define weak_odr protected amdgpu_kernel void @__omp_offloading_{{.*}}amdgcn_device_isa_not_selected
  48 // CHECK: user_code.entry:
  49 // CHECK: call i32 @__kmpc_single
  50 // CHECK-NOT: call void @__kmpc_parallel_51
  51 // CHECK: ret void
  52
  53 #endif