1 // RUN: %clang_cc1 %s -triple x86_64-apple-darwin10 -emit-llvm -o - -std=c++11 |FileCheck %s 2 3 class x { 4 public: int operator=(int); 5 }; 6 void a() { 7 x a; 8 a = 1u; 9 } 10 11 void f(int i, int j) { 12 // CHECK: load i32 13 // CHECK: load i32 14 // CHECK: add nsw i32 15 // CHECK: store i32 16 // CHECK: store i32 17, i32 17 // CHECK: ret 18 (i += j) = 17; 19 } 20 21 // Taken from g++.old-deja/g++.jason/net.C 22 namespace test1 { 23 template <class T> void fn (T t) { } 24 template <class T> struct A { 25 void (*p)(T); 26 A() { p = fn; } 27 }; 28 29 A<int> a; 30 } 31 32 // Ensure that we use memcpy when we would have selected a trivial assignment 33 // operator, even for a non-trivially-copyable type. 34 struct A { 35 A &operator=(const A&); 36 }; 37 struct B { 38 B(const B&); 39 B &operator=(const B&) = default; 40 int n; 41 }; 42 struct C { 43 A a; 44 B b[16]; 45 }; 46 void b(C &a, C &b) { 47 // CHECK: define {{.*}} @_ZN1CaSERKS_( 48 // CHECK: call {{.*}} @_ZN1AaSERKS_( 49 // CHECK-NOT: call {{.*}} @_ZN1BaSERKS_( 50 // CHECK: call {{.*}} @{{.*}}memcpy 51 // CHECK-NOT: call {{.*}} @_ZN1BaSERKS_( 52 // CHECK: } 53 a = b; 54 } 55
