clang/test/CodeGenCXX/template-anonymous-types.cpp

   1 // RUN: %clang_cc1 %s -triple x86_64-unknown-linux-gnu -emit-llvm -w -o - | FileCheck %s
   2
   3 struct S {
   4   enum { FOO = 42 };
   5   enum { BAR = 42 };
   6 };
   7
   8 template <typename T> struct X {
   9   T value;
  10   X(T t) : value(t) {}
  11   int f() { return value; }
  12 };
  13
  14 template <typename T> int f(T t) {
  15   X<T> x(t);
  16   return x.f();
  17 }
  18
  19 void test() {
  20   // Look for two instantiations, one for FOO's
  21   // type and one for BAR's.
  22   // CHECK-LABEL: define linkonce_odr noundef i32 @_Z1fIN1SUt_EEiT_(i32 noundef %t)
  23   (void)f(S::FOO);
  24   // CHECK-LABEL: define linkonce_odr noundef i32 @_Z1fIN1SUt0_EEiT_(i32 noundef %t)
  25   (void)f(S::BAR);
  26
  27   // Now check for the class template instantiations.
  28   //
  29   // BAR's instantiation of X:
  30   // CHECK-LABEL: define linkonce_odr noundef i32 @_ZN1XIN1SUt_EE1fEv(%struct.X* {{[^,]*}} %this)
  31   // CHECK-LABEL: define linkonce_odr void @_ZN1XIN1SUt_EEC2ES1_(%struct.X* {{[^,]*}} %this, i32 noundef %t) unnamed_addr
  32   //
  33   // FOO's instantiation of X:
  34   // CHECK-LABEL: define linkonce_odr noundef i32 @_ZN1XIN1SUt0_EE1fEv(%struct.X.0* {{[^,]*}} %this)
  35   // CHECK-LABEL: define linkonce_odr void @_ZN1XIN1SUt0_EEC2ES1_(%struct.X.0* {{[^,]*}} %this, i32 noundef %t) unnamed_addr
  36 }