forked from OSchip/llvm-project
282 lines
8.9 KiB
C++
282 lines
8.9 KiB
C++
// RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-macosx10.7.0 -emit-llvm -o - %s -w | FileCheck %s
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// CHECK-LABEL: define linkonce_odr void @_Z11inline_funci
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inline void inline_func(int n) {
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// CHECK: call i32 @_ZZ11inline_funciENKUlvE_clEv
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int i = []{ return 1; }();
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// CHECK: call i32 @_ZZ11inline_funciENKUlvE0_clEv
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int j = [=] { return n + i; }();
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// CHECK: call double @_ZZ11inline_funciENKUlvE1_clEv
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int k = [=] () -> double { return n + i; }();
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// CHECK: call i32 @_ZZ11inline_funciENKUliE_clEi
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int l = [=] (int x) -> int { return x + i; }(n);
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int inner(int i = []{ return 17; }());
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// CHECK: call i32 @_ZZ11inline_funciENKUlvE2_clEv
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// CHECK-NEXT: call i32 @_Z5inneri
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inner();
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// CHECK-NEXT: ret void
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}
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void call_inline_func() {
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inline_func(17);
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}
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// CHECK-LABEL: define linkonce_odr i32* @_ZNK10inline_varMUlvE_clEv(
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// CHECK: @_ZZNK10inline_varMUlvE_clEvE1n
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inline auto inline_var = [] {
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static int n = 5;
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return &n;
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};
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int *use_inline_var = inline_var();
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// CHECK-LABEL: define linkonce_odr i32* @_ZNK12var_templateIiEMUlvE_clEv(
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// CHECK: @_ZZNK12var_templateIiEMUlvE_clEvE1n
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template<typename T> auto var_template = [] {
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static int n = 9;
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return &n;
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};
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int *use_var_template = var_template<int>();
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// CHECK-LABEL: define {{.*}} @_Z29use_var_template_substitutionN12var_templateIiEMUlvE_ENS_IfEMUlvE_E
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void use_var_template_substitution(decltype(var_template<int>), decltype(var_template<float>)) {}
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struct S {
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void f(int = []{return 1;}()
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+ []{return 2;}(),
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int = []{return 3;}());
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void g(int, int);
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};
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void S::g(int i = []{return 1;}(),
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int j = []{return 2; }()) {}
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// CHECK-LABEL: define{{.*}} void @_Z6test_S1S
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void test_S(S s) {
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// CHECK: call i32 @_ZZN1S1fEiiEd0_NKUlvE_clEv
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// CHECK-NEXT: call i32 @_ZZN1S1fEiiEd0_NKUlvE0_clEv
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// CHECK-NEXT: add nsw i32
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// CHECK-NEXT: call i32 @_ZZN1S1fEiiEd_NKUlvE_clEv
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// CHECK-NEXT: call void @_ZN1S1fEii
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s.f();
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// NOTE: These manglings don't actually matter that much, because
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// the lambdas in the default arguments of g() won't be seen by
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// multiple translation units. We check them mainly to ensure that they don't
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// get the special mangling for lambdas in in-class default arguments.
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// CHECK: call i32 @"_ZNK1S3$_0clEv"
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// CHECK-NEXT: call i32 @"_ZNK1S3$_1clEv"
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// CHECK-NEXT: call void @_ZN1S1gEi
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s.g();
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// CHECK-NEXT: ret void
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}
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// Check the linkage of the lambda call operators used in test_S.
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// CHECK-LABEL: define linkonce_odr i32 @_ZZN1S1fEiiEd0_NKUlvE_clEv
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// CHECK: ret i32 1
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// CHECK-LABEL: define linkonce_odr i32 @_ZZN1S1fEiiEd0_NKUlvE0_clEv
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// CHECK: ret i32 2
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// CHECK-LABEL: define linkonce_odr i32 @_ZZN1S1fEiiEd_NKUlvE_clEv
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// CHECK: ret i32 3
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// CHECK-LABEL: define internal i32 @"_ZNK1S3$_0clEv"
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// CHECK: ret i32 1
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// CHECK-LABEL: define internal i32 @"_ZNK1S3$_1clEv"
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// CHECK: ret i32 2
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template<typename T>
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struct ST {
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void f(T = []{return T() + 1;}()
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+ []{return T() + 2;}(),
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T = []{return T(3);}());
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};
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// CHECK-LABEL: define{{.*}} void @_Z7test_ST2STIdE
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void test_ST(ST<double> st) {
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// CHECK: call double @_ZZN2STIdE1fEddEd0_NKUlvE_clEv
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// CHECK-NEXT: call double @_ZZN2STIdE1fEddEd0_NKUlvE0_clEv
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// CHECK-NEXT: fadd double
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// CHECK-NEXT: call double @_ZZN2STIdE1fEddEd_NKUlvE_clEv
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// CHECK-NEXT: call void @_ZN2STIdE1fEdd
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st.f();
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// CHECK-NEXT: ret void
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}
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// Check the linkage of the lambda call operators used in test_ST.
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// CHECK-LABEL: define linkonce_odr double @_ZZN2STIdE1fEddEd0_NKUlvE_clEv
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// CHECK: ret double 1
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// CHECK-LABEL: define linkonce_odr double @_ZZN2STIdE1fEddEd0_NKUlvE0_clEv
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// CHECK: ret double 2
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// CHECK-LABEL: define linkonce_odr double @_ZZN2STIdE1fEddEd_NKUlvE_clEv
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// CHECK: ret double 3
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template<typename T>
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struct StaticMembers {
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static T x;
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static T y;
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static T z;
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static int (*f)();
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};
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template<typename T> int accept_lambda(T);
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template<typename T>
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T StaticMembers<T>::x = []{return 1;}() + []{return 2;}();
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template<typename T>
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T StaticMembers<T>::y = []{return 3;}();
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template<typename T>
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T StaticMembers<T>::z = accept_lambda([]{return 4;});
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template<typename T>
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int (*StaticMembers<T>::f)() = []{return 5;};
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// CHECK-LABEL: define internal void @__cxx_global_var_init
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// CHECK: call i32 @_ZNK13StaticMembersIfE1xMUlvE_clEv
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// CHECK-NEXT: call i32 @_ZNK13StaticMembersIfE1xMUlvE0_clEv
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// CHECK-NEXT: add nsw
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// CHECK-LABEL: define linkonce_odr i32 @_ZNK13StaticMembersIfE1xMUlvE_clEv
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// CHECK: ret i32 1
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// CHECK-LABEL: define linkonce_odr i32 @_ZNK13StaticMembersIfE1xMUlvE0_clEv
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// CHECK: ret i32 2
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template float StaticMembers<float>::x;
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// CHECK-LABEL: define internal void @__cxx_global_var_init
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// CHECK: call i32 @_ZNK13StaticMembersIfE1yMUlvE_clEv
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// CHECK-LABEL: define linkonce_odr i32 @_ZNK13StaticMembersIfE1yMUlvE_clEv
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// CHECK: ret i32 3
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template float StaticMembers<float>::y;
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// CHECK-LABEL: define internal void @__cxx_global_var_init
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// CHECK: call i32 @_Z13accept_lambdaIN13StaticMembersIfE1zMUlvE_EEiT_
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// CHECK: declare i32 @_Z13accept_lambdaIN13StaticMembersIfE1zMUlvE_EEiT_()
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template float StaticMembers<float>::z;
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// CHECK-LABEL: define internal void @__cxx_global_var_init
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// CHECK: call {{.*}} @_ZNK13StaticMembersIfE1fMUlvE_cvPFivEEv
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// CHECK-LABEL: define linkonce_odr i32 ()* @_ZNK13StaticMembersIfE1fMUlvE_cvPFivEEv
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template int (*StaticMembers<float>::f)();
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// CHECK-LABEL: define internal void @__cxx_global_var_init
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// CHECK: call i32 @"_ZNK13StaticMembersIdE3$_2clEv"
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// CHECK-LABEL: define internal i32 @"_ZNK13StaticMembersIdE3$_2clEv"
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// CHECK: ret i32 42
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template<> double StaticMembers<double>::z = []{return 42; }();
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template<typename T>
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void func_template(T = []{ return T(); }());
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// CHECK-LABEL: define{{.*}} void @_Z17use_func_templatev()
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void use_func_template() {
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// CHECK: call i32 @"_ZZ13func_templateIiEvT_ENK3$_3clEv"
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func_template<int>();
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}
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namespace std {
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struct type_info {
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bool before(const type_info &) const noexcept;
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};
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}
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namespace PR12123 {
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struct A { virtual ~A(); } g;
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struct C { virtual ~C(); } k;
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struct B {
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void f(const std::type_info& x = typeid([]()->A& { return g; }()));
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void h();
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void j(bool cond = typeid([]() -> A & { return g; }()).before(typeid([]() -> C & { return k; }())));
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};
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void B::h() { f(); j(); }
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}
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// CHECK-LABEL: define linkonce_odr nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) %"struct.PR12123::A"* @_ZZN7PR121231B1fERKSt9type_infoEd_NKUlvE_clEv
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// CHECK-LABEL: define linkonce_odr nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) %"struct.PR12123::A"* @_ZZN7PR121231B1jEbEd_NKUlvE_clEv
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// CHECK-LABEL: define linkonce_odr nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) %"struct.PR12123::C"* @_ZZN7PR121231B1jEbEd_NKUlvE0_clEv
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// CHECK-LABEL: define {{.*}} @_Z{{[0-9]*}}testVarargsLambdaNumberingv(
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inline int testVarargsLambdaNumbering() {
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// CHECK: testVarargsLambdaNumberingvE{{.*}}UlzE_
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auto a = [](...) { static int n; return ++n; };
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// CHECK: testVarargsLambdaNumberingvE{{.*}}UlvE_
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auto b = []() { static int n; return ++n; };
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return a() + b();
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}
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int k = testVarargsLambdaNumbering();
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// Check linkage of the various lambdas.
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// CHECK-LABEL: define linkonce_odr i32 @_ZZ11inline_funciENKUlvE_clEv
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// CHECK: ret i32 1
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// CHECK-LABEL: define linkonce_odr i32 @_ZZ11inline_funciENKUlvE0_clEv
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// CHECK: ret i32
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// CHECK-LABEL: define linkonce_odr double @_ZZ11inline_funciENKUlvE1_clEv
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// CHECK: ret double
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// CHECK-LABEL: define linkonce_odr i32 @_ZZ11inline_funciENKUliE_clEi
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// CHECK: ret i32
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// CHECK-LABEL: define linkonce_odr i32 @_ZZ11inline_funciENKUlvE2_clEv
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// CHECK: ret i32 17
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// CHECK-LABEL: define linkonce_odr void @_ZN7MembersC2Ev
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// CHECK: call i32 @_ZNK7Members1xMUlvE_clEv
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// CHECK-NEXT: call i32 @_ZNK7Members1xMUlvE0_clE
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// CHECK-NEXT: add nsw i32
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// CHECK: call i32 @_ZNK7Members1yMUlvE_clEv
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// CHECK: ret void
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// Check the linkage of the lambdas used in test_Members.
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// CHECK-LABEL: define linkonce_odr i32 @_ZNK7Members1xMUlvE_clEv
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// CHECK: ret i32 1
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// CHECK-LABEL: define linkonce_odr i32 @_ZNK7Members1xMUlvE0_clEv
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// CHECK: ret i32 2
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// CHECK-LABEL: define linkonce_odr i32 @_ZNK7Members1yMUlvE_clEv
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// CHECK: ret i32 3
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// CHECK-LABEL: define linkonce_odr void @_Z1fIZZNK23TestNestedInstantiationclEvENKUlvE_clEvEUlvE_EvT_
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namespace PR12808 {
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template <typename> struct B {
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int a;
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template <typename L> constexpr B(L&& x) : a(x()) { }
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};
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template <typename> void b(int) {
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[&]{ (void)B<int>([&]{ return 1; }); }();
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}
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void f() {
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b<int>(1);
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}
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// CHECK-LABEL: define linkonce_odr void @_ZZN7PR128081bIiEEviENKUlvE_clEv
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// CHECK-LABEL: define linkonce_odr i32 @_ZZZN7PR128081bIiEEviENKUlvE_clEvENKUlvE_clEv
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}
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struct Members {
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int x = [] { return 1; }() + [] { return 2; }();
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int y = [] { return 3; }();
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};
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void test_Members() {
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Members members;
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}
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template<typename P> void f(P) { }
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struct TestNestedInstantiation {
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void operator()() const {
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[]() -> void {
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return f([]{});
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}();
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}
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};
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void test_NestedInstantiation() {
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TestNestedInstantiation()();
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}
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