clang/test/OpenMP/amdgcn_target_init_temp_alloca.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 // expected-no-diagnostics
   6
   7 #define N 100
   8
   9 int test_amdgcn_target_temp_alloca() {
  10   // CHECK-LABEL: test_amdgcn_target_temp_alloca
  11
  12   int arr[N];
  13
  14   // CHECK:      [[DYN_PTR_ADDR:%.+]] = alloca ptr, align 8, addrspace(5)
  15   // CHECK:      [[VAR_ADDR:%.+]] = alloca ptr, align 8, addrspace(5)
  16   // CHECK-NEXT: [[VAR2_ADDR:%.+]] = alloca i32, align 4, addrspace(5)
  17   // CHECK-NEXT: [[DYN_PTR_ADDR_CAST:%.+]] = addrspacecast ptr addrspace(5) [[DYN_PTR_ADDR]] to ptr
  18   // CHECK-NEXT: [[VAR_ADDR_CAST:%.+]] = addrspacecast ptr addrspace(5) [[VAR_ADDR]] to ptr
  19   // CHECK-NEXT: [[VAR2_ADDR_CAST:%.+]] = addrspacecast ptr addrspace(5) [[VAR2_ADDR]] to ptr
  20   // CHECK:  store ptr [[VAR:%.+]], ptr [[VAR_ADDR_CAST]], align 8
  21
  22 #pragma omp target
  23   for (int i = 0; i < N; i++) {
  24     arr[i] = 1;
  25   }
  26
  27   return arr[0];
  28 }