clang/test/OpenMP/constexpr_codegen.cpp

   1 // RUN: %clang_cc1 -verify -fopenmp -std=c++11 -triple x86_64-unknown-unknown -x c++ -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck %s
   2 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
   3 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -debug-info-kind=limited -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
   4
   5 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++11 -triple x86_64-unknown-unknown -x c++ -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck --check-prefix SIMD-ONLY1 %s
   6 // RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
   7 // RUN: %clang_cc1 -fopenmp-simd -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -debug-info-kind=limited -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck --check-prefix SIMD-ONLY1 %s
   8 // SIMD-ONLY1-NOT: {{__kmpc|__tgt}}
   9
  10 // expected-no-diagnostics
  11 //
  12 #ifndef HEADER
  13 #define HEADER
  14
  15 // CHECK: @{{.*}}Foo{{.*}}bar{{.*}} ={{.*}} constant i32 1,
  16
  17 // Section A - Define a class with a static constexpr data member.
  18 struct Foo {
  19   static constexpr int bar = 1;
  20 };
  21
  22 // Section B - ODR-use the data member.
  23 void F(const int &);
  24 void Test() { F(Foo::bar); }
  25
  26 // Section C - Define the data member.
  27 constexpr int Foo::bar;
  28 #endif
  29