clang/test/OpenMP/begin_declare_variant_using_messages.cpp

   1 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -fopenmp -verify %s
   2
   3 namespace BEFORE_AND_1 {
   4 void before_and_1();
   5 }
   6 namespace AFTER_AND_2 {
   7 void after_and_2(); // expected-note {{'AFTER_AND_2::after_and_2' declared here}} expected-note {{'AFTER_AND_2::after_and_2' declared here}}
   8 }
   9 namespace ONLY_1 {
  10 void only_1(); // expected-note {{'ONLY_1::only_1' declared here}}
  11 }
  12 namespace BEFORE_1_AND_2 {
  13 void before_1_and_2();
  14 }
  15
  16 using BEFORE_1_AND_2::before_1_and_2;
  17 using BEFORE_AND_1::before_and_1;
  18
  19 void test_before() {
  20   before_and_1();
  21   after_and_2(); // expected-error {{use of undeclared identifier 'after_and_2'; did you mean 'AFTER_AND_2::after_and_2'?}}
  22   only_1(); // expected-error {{use of undeclared identifier 'only_1'; did you mean 'ONLY_1::only_1'?}}
  23   before_1_and_2();
  24 }
  25
  26 #pragma omp begin declare variant match(implementation = {vendor(llvm)})
  27 using BEFORE_1_AND_2::before_1_and_2;
  28 using BEFORE_AND_1::before_and_1;
  29 using ONLY_1::only_1;
  30 void test_1() {
  31   before_and_1();
  32   after_and_2(); // expected-error {{use of undeclared identifier 'after_and_2'; did you mean 'AFTER_AND_2::after_and_2'?}}
  33   only_1();
  34   before_1_and_2();
  35 }
  36 #pragma omp end declare variant
  37
  38 #pragma omp begin declare variant match(implementation = {vendor(llvm)})
  39 using AFTER_AND_2::after_and_2;
  40 using BEFORE_1_AND_2::before_1_and_2;
  41 void test_2() {
  42   before_and_1();
  43   after_and_2();
  44   only_1();
  45   before_1_and_2();
  46 }
  47 #pragma omp end declare variant
  48
  49 void test_after() {
  50   before_and_1();
  51   after_and_2();
  52   only_1();
  53   before_1_and_2();
  54 }
  55
  56 using AFTER_AND_2::after_and_2;
  57
  58 // Make sure:
  59 //  - we do not see the ast nodes for the gpu kind
  60 //  - we do not choke on the text in the kind(fpga) guarded scopes
  61 //  - we pick the right cbefore_1_and_2ees