Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

Open Menu /external/bsd/llvm/dist/clang/test/OpenMP/nvptx_target_simd_codegen.cpp 
 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
// Test target codegen - host bc file has to be created first.
// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 -fopenmp-cuda-mode -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm-bc %s -o %t-ppc-host.bc
// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 -fopenmp-cuda-mode -x c++ -triple nvptx64-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck %s --check-prefix CHECK --check-prefix CHECK-64
// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 -fopenmp-cuda-mode -x c++ -triple i386-unknown-unknown -fopenmp-targets=nvptx-nvidia-cuda -emit-llvm-bc %s -o %t-x86-host.bc
// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 -fopenmp-cuda-mode -x c++ -triple nvptx-unknown-unknown -fopenmp-targets=nvptx-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-x86-host.bc -o - | FileCheck %s --check-prefix CHECK --check-prefix CHECK-32
// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 -fopenmp-cuda-mode -fexceptions -fcxx-exceptions -x c++ -triple nvptx-unknown-unknown -fopenmp-targets=nvptx-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-x86-host.bc -o - | FileCheck %s --check-prefix CHECK --check-prefix CHECK-32
// expected-no-diagnostics
#ifndef HEADER
#define HEADER

// Check that the execution mode of all 2 target regions on the gpu is set to NonSPMD Mode.
// CHECK-DAG: {{@__omp_offloading_.+l25}}_exec_mode = weak constant i8 1
// CHECK-DAG: {{@__omp_offloading_.+l30}}_exec_mode = weak constant i8 1
// CHECK-DAG: {{@__omp_offloading_.+l35}}_exec_mode = weak constant i8 1
// CHECK-DAG: {{@__omp_offloading_.+l40}}_exec_mode = weak constant i8 1

#define N 1000

template<typename tx>
tx ftemplate(int n) {
  tx a[N];
  short aa[N];
  tx b[10];

  #pragma omp target simd
  for(int i = 0; i < n; i++) {
    a[i] = 1;
  }

  #pragma omp target simd
  for (int i = 0; i < n; i++) {
    aa[i] += 1;
  }

  #pragma omp target simd
  for(int i = 0; i < 10; i++) {
    b[i] += 1;
  }

  #pragma omp target simd reduction(+:n)
  for(int i = 0; i < 10; i++) {
    b[i] += 1;
  }

  return a[0];
}

int bar(int n){
  int a = 0;

  a += ftemplate<int>(n);

  return a;
}

// CHECK-LABEL: define {{.*}}void {{@__omp_offloading_.+l25}}(
// CHECK: call void @__kmpc_kernel_init(i32 %{{.+}}, i16 1)
// CHECK-NOT: call void @__kmpc_for_static_init
// CHECK-NOT: call void @__kmpc_for_static_fini
// CHECK: call void @__kmpc_kernel_deinit(i16 1)
// CHECK: ret void

// CHECK-LABEL: define {{.*}}void {{@__omp_offloading_.+l30}}(
// CHECK: call void @__kmpc_kernel_init(i32 %{{.+}}, i16 1)
// CHECK-NOT: call void @__kmpc_for_static_init
// CHECK-NOT: call void @__kmpc_for_static_fini
// CHECK: call void @__kmpc_kernel_deinit(i16 1)
// CHECK: ret void

// CHECK-LABEL: define {{.*}}void {{@__omp_offloading_.+l35}}(
// CHECK: call void @__kmpc_kernel_init(i32 %{{.+}}, i16 1)
// CHECK-NOT: call void @__kmpc_for_static_init
// CHECK-NOT: call void @__kmpc_for_static_fini
// CHECK: call void @__kmpc_kernel_deinit(i16 1)
// CHECK: ret void

// CHECK-LABEL: define {{.*}}void {{@__omp_offloading_.+l40}}(
// CHECK: call void @__kmpc_kernel_init(i32 %{{.+}}, i16 1)
// CHECK-NOT: call void @__kmpc_for_static_init
// CHECK-NOT: call void @__kmpc_for_static_fini
// CHECK-NOT: call i32 @__kmpc_nvptx_simd_reduce_nowait(
// CHECK-NOT: call void @__kmpc_nvptx_end_reduce_nowait(
// CHECK: call void @__kmpc_kernel_deinit(i16 1)
// CHECK: ret void


#endif