clang/test/CodeGenCXX/dllimport-unique-external.cpp

   1 // RUN: %clang_cc1 -no-enable-noundef-analysis -triple i686-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -disable-llvm-passes -o - %s | FileCheck --check-prefix=MSC %s
   2 // RUN: %clang_cc1 -no-enable-noundef-analysis -triple x86_64-scei-ps4 -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s | FileCheck --check-prefix=PS %s
   3 // RUN: %clang_cc1 -no-enable-noundef-analysis -triple x86_64-sie-ps5 -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s | FileCheck --check-prefix=PS %s
   4
   5 template <typename T> struct __declspec(dllimport) ImportedClassTemplate { void func(); };
   6
   7 // Make sure that we do not import classes with unique external linkage.
   8 // Note that MSVC does indeed expect the called function to be defined elsewhere.
   9 void func1() {
  10   class LocalCRTP : public ImportedClassTemplate<LocalCRTP> {};
  11   LocalCRTP lc;
  12   lc.func();
  13 }
  14
  15 namespace {
  16   class AnonNSCRTP : public ImportedClassTemplate<AnonNSCRTP> {};
  17   AnonNSCRTP ac;
  18 }
  19
  20 void func2() {
  21   ac.func();
  22 }
  23
  24 // MSC-NOT: declare {{.*}}dllimport
  25 // MSC:     call {{.*}}@"?func@?$ImportedClassTemplate@VLocalCRTP@?1??func1{{.*}}"
  26 // MSC-NOT: declare {{.*}}dllimport
  27 // MSC:     call {{.*}}@"?func@?$ImportedClassTemplate@VAnonNSCRTP@?{{.*}}"
  28 // MSC-NOT: declare {{.*}}dllimport
  29
  30 // PS-NOT:  declare {{.*}}dllimport
  31 // PS:      call {{.*}}@_ZN21ImportedClassTemplateIZ5func1vE9LocalCRTPE4funcEv
  32 // PS-NOT:  declare {{.*}}dllimport
  33 // PS:      call {{.*}}@_ZN21ImportedClassTemplateIN12_GLOBAL__N_110AnonNSCRTPEE4funcEv
  34 // PS-NOT:  declare {{.*}}dllimport