clang/test/CodeGenCXX/microsoft-compatibility.cpp

   1 // RUN: %clang_cc1 %s -triple i686-pc-win32 -std=c++11 -fms-compatibility -emit-llvm -o - | FileCheck %s
   2
   3 template <typename>
   4 struct S {
   5   static const int x[];
   6 };
   7
   8 template <>
   9 const int S<char>::x[] = {1};
  10
  11 // CHECK-LABEL: @"?x@?$S@D@@2QBHB" = weak_odr dso_local constant [1 x i32] [i32 1], comdat
  12
  13 template<class T>
  14 void destroy(T *p) {
  15   p->~T();
  16 }
  17
  18 extern "C" void f() {
  19   int a;
  20   destroy((void*)&a);
  21 }
  22
  23 // CHECK-LABEL: define dso_local void @f()
  24 // CHECK: call void @"??$destroy@X@@YAXPAX@Z"
  25 // CHECK: ret void
  26
  27 // CHECK-LABEL: define linkonce_odr dso_local void @"??$destroy@X@@YAXPAX@Z"(ptr noundef %p)
  28 //    The pseudo-dtor expr should not generate calls to anything.
  29 // CHECK-NOT: call
  30 // CHECK-NOT: invoke
  31 // CHECK: ret void