1 // RUN: %clang_cc1 -verify -fopenmp -std=c++11 -o - %s
2 // RUN: not %clang_cc1 -fopenmp -std=c++11 -fopenmp-targets=aaa-bbb-ccc-ddd -o - %s 2>&1 | FileCheck %s
3 
4 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++11 -o - %s
5 // CHECK: error: OpenMP target is invalid: 'aaa-bbb-ccc-ddd'
6 // RUN: not %clang_cc1 -fopenmp -std=c++11 -triple nvptx64-nvidia-cuda -o - %s 2>&1 | FileCheck --check-prefix CHECK-UNSUPPORTED-HOST-TARGET %s
7 // RUN: not %clang_cc1 -fopenmp -std=c++11 -triple nvptx-nvidia-cuda -o - %s 2>&1 | FileCheck --check-prefix CHECK-UNSUPPORTED-HOST-TARGET %s
8 // CHECK-UNSUPPORTED-HOST-TARGET: error: The target '{{nvptx64-nvidia-cuda|nvptx-nvidia-cuda}}' is not a supported OpenMP host target.
9 // RUN: not %clang_cc1 -fopenmp -std=c++11 -fopenmp-targets=hexagon-linux-gnu -o - %s 2>&1 | FileCheck --check-prefix CHECK-UNSUPPORTED-DEVICE-TARGET %s
10 // CHECK-UNSUPPORTED-DEVICE-TARGET: OpenMP target is invalid: 'hexagon-linux-gnu'
11 
12 // RUN: not %clang_cc1 -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path 1111.bc -o - 2>&1 | FileCheck --check-prefix NO-HOST-BC %s
13 // NO-HOST-BC: The provided host compiler IR file '1111.bc' is required to generate code for OpenMP target regions but cannot be found.
14 
15 // RUN: %clang_cc1 -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm-bc %s -o %t-ppc-host.bc -DREGION_HOST
16 // RUN: not %clang_cc1 -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - -DREGION_DEVICE 2>&1 | FileCheck %s --check-prefix NO-REGION
17 // NO-REGION: Offloading entry for target region is incorrect: either the address or the ID is invalid.
18 // NO-REGION-NOT: Offloading entry for target region is incorrect: either the address or the ID is invalid.
19 
20 #if defined(REGION_HOST) || defined(REGION_DEVICE)
21 void foo() {
22 #ifdef REGION_HOST
23 #pragma omp target
24   ;
25 #endif
26 #ifdef REGION_DEVICE
27 #pragma omp target
28   ;
29 #endif
30 }
31 #pragma omp declare target to(foo)
32 void bar() {
33 #ifdef REGION_HOST
34 #pragma omp target
35   ;
36 #endif
37 #ifdef REGION_DEVICE
38 #pragma omp target
39   ;
40 #endif
41 }
42 #else
43 void foo() {
44 }
45 
46 #pragma omp target // expected-error {{unexpected OpenMP directive '#pragma omp target'}}
47 
48 int main(int argc, char **argv) {
49   #pragma omp target { // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
50   foo();
51   #pragma omp target ( // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
52   foo();
53   #pragma omp target [ // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
54   foo();
55   #pragma omp target ] // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
56   foo();
57   #pragma omp target ) // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
58   foo();
59   #pragma omp target } // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
60   foo();
61   #pragma omp target
62   foo();
63   // expected-warning@+1 {{extra tokens at the end of '#pragma omp target' are ignored}}
64   #pragma omp target unknown()
65   foo();
66   L1:
67     foo();
68   #pragma omp target
69   ;
70   #pragma omp target
71   {
72     goto L1; // expected-error {{use of undeclared label 'L1'}}
73     argc++;
74   }
75 
76   for (int i = 0; i < 10; ++i) {
77     switch(argc) {
78      case (0):
79       #pragma omp target
80       {
81         foo();
82         break; // expected-error {{'break' statement not in loop or switch statement}}
83         continue; // expected-error {{'continue' statement not in loop statement}}
84       }
85       default:
86        break;
87     }
88   }
89 
90   goto L2; // expected-error {{use of undeclared label 'L2'}}
91   #pragma omp target
92   L2:
93   foo();
94   #pragma omp target
95   {
96     return 1; // expected-error {{cannot return from OpenMP region}}
97   }
98 
99   [[]] // expected-error {{an attribute list cannot appear here}}
100   #pragma omp target
101   for (int n = 0; n < 100; ++n) {}
102 
103   return 0;
104 }
105 #endif
106