forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			279 lines
		
	
	
		
			8.6 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			279 lines
		
	
	
		
			8.6 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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| 
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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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| 
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|   // CHECK: call i32 @_ZZ11inline_funciENKUlvE0_clEv
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|   int j = [=] { return n + i; }();
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| 
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|   // CHECK: call double @_ZZ11inline_funciENKUlvE1_clEv
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|   int k = [=] () -> double { return n + i; }();
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| 
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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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| 
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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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| 
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|   // CHECK-NEXT: ret void
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| }
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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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| 
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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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| 
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| int *use_inline_var = inline_var();
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| 
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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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| 
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| int *use_var_template = var_template<int>();
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| 
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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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| 
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| void S::g(int i = []{return 1;}(),
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|           int j = []{return 2; }()) {}
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| 
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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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| 
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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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| 
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|   // CHECK-NEXT: ret void
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| }
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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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| 
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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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| 
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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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| 
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|   // CHECK-NEXT: ret void
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| }
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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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| 
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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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| 
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| template<typename T> int accept_lambda(T);
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| 
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| template<typename T>
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| T StaticMembers<T>::x = []{return 1;}() + []{return 2;}();
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| 
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| template<typename T>
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| T StaticMembers<T>::y = []{return 3;}();
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| 
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| template<typename T>
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| T StaticMembers<T>::z = accept_lambda([]{return 4;});
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| 
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| template<typename T>
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| int (*StaticMembers<T>::f)() = []{return 5;};
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| template<typename T>
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| void func_template(T = []{ return T(); }());
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| 
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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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| 
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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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| 
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| // CHECK-LABEL: define linkonce_odr dereferenceable({{[0-9]+}}) %"struct.PR12123::A"* @_ZZN7PR121231B1fERKSt9type_infoEd_NKUlvE_clEv
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| // CHECK-LABEL: define linkonce_odr dereferenceable({{[0-9]+}}) %"struct.PR12123::A"* @_ZZN7PR121231B1jEbEd_NKUlvE_clEv
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| // CHECK-LABEL: define linkonce_odr dereferenceable({{[0-9]+}}) %"struct.PR12123::C"* @_ZZN7PR121231B1jEbEd_NKUlvE0_clEv
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| 
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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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| 
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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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| 
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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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| 
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| 
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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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| 
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| // CHECK-LABEL: define linkonce_odr void @_Z1fIZZNK23TestNestedInstantiationclEvENKUlvE_clEvEUlvE_EvT_
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| 
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| 
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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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| 
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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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| 
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| void test_Members() {
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|   Members members;
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| }
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| 
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| template<typename P> void f(P) { }
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| 
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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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| 
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| void test_NestedInstantiation() {
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|   TestNestedInstantiation()();
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| }
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