clang/test/CXX/drs/cwg392.cpp

   1 // RUN: %clang_cc1 -std=c++98 %s -triple x86_64-linux-gnu -emit-llvm -disable-llvm-passes -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
   2 // RUN: %clang_cc1 -std=c++11 %s -triple x86_64-linux-gnu -emit-llvm -disable-llvm-passes -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
   3 // RUN: %clang_cc1 -std=c++14 %s -triple x86_64-linux-gnu -emit-llvm -disable-llvm-passes -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
   4 // RUN: %clang_cc1 -std=c++17 %s -triple x86_64-linux-gnu -emit-llvm -disable-llvm-passes -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
   5 // RUN: %clang_cc1 -std=c++20 %s -triple x86_64-linux-gnu -emit-llvm -disable-llvm-passes -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
   6 // RUN: %clang_cc1 -std=c++23 %s -triple x86_64-linux-gnu -emit-llvm -disable-llvm-passes -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
   7 // RUN: %clang_cc1 -std=c++2c %s -triple x86_64-linux-gnu -emit-llvm -disable-llvm-passes -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
   8
   9 #if __cplusplus == 199711L
  10 #define NOTHROW throw()
  11 #else
  12 #define NOTHROW noexcept(true)
  13 #endif
  14
  15 namespace cwg392 { // cwg392: 2.8
  16
  17 struct A {
  18   operator bool() NOTHROW;
  19 };
  20
  21 class C {
  22 public:
  23   C() NOTHROW;
  24   ~C() NOTHROW;
  25   A& get() NOTHROW { return p; }
  26 private:
  27   A p;
  28 };
  29
  30 void f()
  31 {
  32   if (C().get()) {}
  33 }
  34
  35 } // namespace cwg392
  36
  37 // CHECK-LABEL: define {{.*}} void @cwg392::f()()
  38 // CHECK:         call {{.*}} i1 @cwg392::A::operator bool()
  39 // CHECK:         call void @cwg392::C::~C()
  40 // CHECK-LABEL: }