clang/test/OpenMP/target_messages.cpp

   1 // RUN: %clang_cc1 -verify=expected,omp4 -fopenmp -fopenmp-version=45 -std=c++11 -o - %s
   2 // RUN: %clang_cc1 -verify=expected,omp5 -fopenmp -o - -std=c++11 %s -Wuninitialized
   3
   4 // RUN: not %clang_cc1 -fopenmp -std=c++11 -fopenmp-targets=aaa-bbb-ccc-ddd -o - %s 2>&1 | FileCheck %s
   5
   6 // RUN: %clang_cc1 -verify=expected,omp4 -fopenmp-simd -fopenmp-version=45 -std=c++11 -o - %s
   7 // RUN: %clang_cc1 -verify=expected,omp5 -fopenmp-simd -std=c++11 -o - %s
   8 // CHECK: error: OpenMP target is invalid: 'aaa-bbb-ccc-ddd'
   9 // RUN: not %clang_cc1 -fopenmp -std=c++11 -triple nvptx64-nvidia-cuda -o - %s 2>&1 | FileCheck --check-prefix CHECK-UNSUPPORTED-HOST-TARGET %s
  10 // RUN: not %clang_cc1 -fopenmp -std=c++11 -triple nvptx-nvidia-cuda -o - %s 2>&1 | FileCheck --check-prefix CHECK-UNSUPPORTED-HOST-TARGET %s
  11 // CHECK-UNSUPPORTED-HOST-TARGET: error: target '{{nvptx64-nvidia-cuda|nvptx-nvidia-cuda}}' is not a supported OpenMP host target
  12 // 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
  13 // CHECK-UNSUPPORTED-DEVICE-TARGET: OpenMP target is invalid: 'hexagon-linux-gnu'
  14
  15 // RUN: not %clang_cc1 -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm %s -fopenmp-is-target-device -fopenmp-host-ir-file-path 1111.bc -o - 2>&1 | FileCheck --check-prefix NO-HOST-BC %s
  16 // NO-HOST-BC: provided host compiler IR file '1111.bc' is required to generate code for OpenMP target regions but cannot be found
  17
  18 // 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
  19 // RUN: not %clang_cc1 -verify=expected,omp4 -fopenmp -fopenmp-version=45 -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm %s -fopenmp-is-target-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - -DREGION_DEVICE 2>&1
  20 // RUN: not %clang_cc1 -verify=expected,omp5 -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm %s -fopenmp-is-target-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - -DREGION_DEVICE 2>&1
  21
  22 #if defined(REGION_HOST) || defined(REGION_DEVICE)
  23 void foo() {
  24 #ifdef REGION_HOST
  25 #pragma omp target // expected-error {{Offloading entry for target region in _Z3foov is incorrect: either the address or the ID is invalid.}}
  26   ;
  27 #endif
  28 #ifdef REGION_DEVICE
  29 #pragma omp target
  30   ;
  31 #endif
  32 }
  33 #pragma omp declare target to(foo)
  34 void bar() {
  35 #ifdef REGION_HOST
  36 #pragma omp target
  37   ;
  38 #endif
  39 #ifdef REGION_DEVICE
  40 #pragma omp target
  41   ;
  42 #endif
  43 }
  44 #else
  45 void foo() {
  46 }
  47
  48 class S {
  49   public:
  50   void zee() {
  51     #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}}
  52       int a;
  53     #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}}
  54       int b;
  55     #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}}
  56       int c;
  57 #pragma omp target map(foo)         // omp4-error {{expected expression containing only member accesses and/or array sections based on named variables}} omp5-error {{expected addressable lvalue in 'map' clause}}
  58       int d;
  59 #pragma omp target map(zee)         // omp4-error {{expected expression containing only member accesses and/or array sections based on named variables}} omp5-error {{expected addressable lvalue in 'map' clause}}
  60       int e;
  61 #pragma omp target map(this->zee)   // omp4-error {{expected expression containing only member accesses and/or array sections based on named variables}} omp5-error {{expected addressable lvalue in 'map' clause}}
  62       int f;
  63   }
  64 };
  65
  66 #pragma omp target // expected-error {{unexpected OpenMP directive '#pragma omp target'}}
  67
  68 int main(int argc, char **argv) {
  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 [ // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
  74   foo();
  75   #pragma omp target ] // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
  76   foo();
  77   #pragma omp target ) // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
  78   foo();
  79   #pragma omp target } // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
  80   foo();
  81   #pragma omp target
  82   foo();
  83   // expected-warning@+1 {{extra tokens at the end of '#pragma omp target' are ignored}}
  84   #pragma omp target unknown()
  85   foo();
  86   L1:
  87     foo();
  88   #pragma omp target
  89   ;
  90   #pragma omp target
  91   {
  92     goto L1; // expected-error {{use of undeclared label 'L1'}}
  93     argc++;
  94   }
  95
  96   for (int i = 0; i < 10; ++i) {
  97     switch(argc) {
  98      case (0):
  99       #pragma omp target
 100       {
 101         foo();
 102         break; // expected-error {{'break' statement not in loop or switch statement}}
 103         continue; // expected-error {{'continue' statement not in loop statement}}
 104       }
 105       default:
 106        break;
 107     }
 108   }
 109
 110   goto L2; // expected-error {{use of undeclared label 'L2'}}
 111   #pragma omp target
 112   L2:
 113   foo();
 114   #pragma omp target
 115   {
 116     return 1; // expected-error {{cannot return from OpenMP region}}
 117   }
 118
 119   [[]] // expected-error {{an attribute list cannot appear here}}
 120   #pragma omp target
 121   for (int n = 0; n < 100; ++n) {}
 122
 123 #pragma omp target map(foo) // omp4-error {{expected expression containing only member accesses and/or array sections based on named variables}} omp5-error {{expected addressable lvalue in 'map' clause}}
 124   {}
 125
 126   S s;
 127
 128 #pragma omp target map(s.zee) // omp4-error {{expected expression containing only member accesses and/or array sections based on named variables}} omp5-error {{expected addressable lvalue in 'map' clause}}
 129   {}
 130
 131   return 0;
 132 }
 133
 134 template <class> struct a { static bool b; };
 135 template <class c, bool = a<c>::b> void e(c) { // expected-note {{candidate template ignored: substitution failure [with c = int]: non-type template argument is not a constant expression}}
 136 #pragma omp target
 137   {
 138     int d ; e(d); // expected-error {{no matching function for call to 'e'}}
 139   }
 140 }
 141 #endif