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 class S {
47   public:
48   void zee() {
49     #pragma omp target map(this[:2]) // expected-note {{expected length on mapping of 'this' array section expression to be '1'}} // expected-error {{invalid 'this' expression on 'map' clause}}
50       int a;
51     #pragma omp target map(this[1:1]) // expected-note {{expected lower bound on mapping of 'this' array section expression to be '0' or not specified}} // expected-error {{invalid 'this' expression on 'map' clause}}
52       int b;
53     #pragma omp target map(this[1]) // expected-note {{expected 'this' subscript expression on map clause to be 'this[0]'}} // expected-error {{invalid 'this' expression on 'map' clause}}
54       int c;
55   }
56 };
57 
58 #pragma omp target // expected-error {{unexpected OpenMP directive '#pragma omp target'}}
59 
60 int main(int argc, char **argv) {
61   #pragma omp target { // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
62   foo();
63   #pragma omp target ( // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
64   foo();
65   #pragma omp target [ // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
66   foo();
67   #pragma omp target ] // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
68   foo();
69   #pragma omp target ) // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
70   foo();
71   #pragma omp target } // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
72   foo();
73   #pragma omp target
74   foo();
75   // expected-warning@+1 {{extra tokens at the end of '#pragma omp target' are ignored}}
76   #pragma omp target unknown()
77   foo();
78   L1:
79     foo();
80   #pragma omp target
81   ;
82   #pragma omp target
83   {
84     goto L1; // expected-error {{use of undeclared label 'L1'}}
85     argc++;
86   }
87 
88   for (int i = 0; i < 10; ++i) {
89     switch(argc) {
90      case (0):
91       #pragma omp target
92       {
93         foo();
94         break; // expected-error {{'break' statement not in loop or switch statement}}
95         continue; // expected-error {{'continue' statement not in loop statement}}
96       }
97       default:
98        break;
99     }
100   }
101 
102   goto L2; // expected-error {{use of undeclared label 'L2'}}
103   #pragma omp target
104   L2:
105   foo();
106   #pragma omp target
107   {
108     return 1; // expected-error {{cannot return from OpenMP region}}
109   }
110 
111   [[]] // expected-error {{an attribute list cannot appear here}}
112   #pragma omp target
113   for (int n = 0; n < 100; ++n) {}
114 
115   return 0;
116 }
117 #endif
118