clang/test/CodeGenCXX/mangle-lambdas-cxx20.cpp

   1 // RUN: %clang_cc1 -std=c++20 -triple x86_64-apple-macosx10.7.0 -emit-llvm -o - %s -w | FileCheck %s
   2
   3 template <typename T>
   4 auto ft1() {
   5   return []<typename U = T>(T p1 = [] { return T{}; } (),
   6                             U p2 = [] { return U{}; } ()) { return p1+p2; };
   7 }
   8 void test_ft1() {
   9   // CHECK: call noundef i32 @_ZZZ3ft1IiEDavENKUlTyiT_E_clIiEEDaiS0_Ed0_NKUlvE_clEv
  10   // CHECK: call noundef i32 @_ZZZ3ft1IiEDavENKUlTyiT_E_clIiEEDaiS0_Ed_NKUlvE_clEv
  11   // CHECK: call noundef i32 @_ZZ3ft1IiEDavENKUlTyiT_E_clIiEEDaiS0_
  12   ft1<int>()();
  13 }
  14 // CHECK-LABEL: define linkonce_odr noundef i32 @_ZZ3ft1IiEDavENKUlTyiT_E_clIiEEDaiS0_
  15 // CHECK-LABEL: define linkonce_odr noundef i32 @_ZZZ3ft1IiEDavENKUlTyiT_E_clIiEEDaiS0_Ed0_NKUlvE_clEv
  16 // CHECK-LABEL: define linkonce_odr noundef i32 @_ZZZ3ft1IiEDavENKUlTyiT_E_clIiEEDaiS0_Ed_NKUlvE_clEv
  17
  18 template <typename T>
  19 auto vt1 = []<typename U = T>(T p1 = [] { return T{}; } (),
  20                               U p2 = [] { return U{}; } ()) { return p1+p2; };
  21 void test_vt1() {
  22   // CHECK: call noundef i32 @_ZZNK3vt1IiEMUlTyiT_E_clIiEEDaiS1_Ed0_NKUlvE_clEv
  23   // CHECK: call noundef i32 @_ZZNK3vt1IiEMUlTyiT_E_clIiEEDaiS1_Ed_NKUlvE_clEv
  24   // CHECK: call noundef i32 @_ZNK3vt1IiEMUlTyiT_E_clIiEEDaiS1_
  25   vt1<int>();
  26 }
  27 // CHECK-LABEL: define linkonce_odr noundef i32 @_ZNK3vt1IiEMUlTyiT_E_clIiEEDaiS1_
  28 // CHECK-LABEL: define linkonce_odr noundef i32 @_ZZNK3vt1IiEMUlTyiT_E_clIiEEDaiS1_Ed0_NKUlvE_clEv
  29 // CHECK-LABEL: define linkonce_odr noundef i32 @_ZZNK3vt1IiEMUlTyiT_E_clIiEEDaiS1_Ed_NKUlvE_clEv